acinclude.m4
author Sam Lantinga <slouken@libsdl.org>
Thu, 16 Feb 2006 10:11:48 +0000
changeset 1361 19418e4422cb
parent 1309 0f00cbbe5792
child 1570 a740bca2a1b1
permissions -rw-r--r--
New configure-based build system. Still work in progress, but much improved
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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##############################################################################
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dnl Configure Paths for Alsa
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dnl Some modifications by Richard Boulton <richard-alsa@tartarus.org>
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dnl Christopher Lansdown <lansdoct@cs.alfred.edu>
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dnl Jaroslav Kysela <perex@suse.cz>
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dnl Last modification: alsa.m4,v 1.23 2004/01/16 18:14:22 tiwai Exp
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dnl AM_PATH_ALSA([MINIMUM-VERSION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
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dnl Test for libasound, and define ALSA_CFLAGS and ALSA_LIBS as appropriate.
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dnl enables arguments --with-alsa-prefix=
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dnl                   --with-alsa-enc-prefix=
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dnl                   --disable-alsatest
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dnl
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dnl For backwards compatibility, if ACTION_IF_NOT_FOUND is not specified,
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dnl and the alsa libraries are not found, a fatal AC_MSG_ERROR() will result.
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dnl
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AC_DEFUN([AM_PATH_ALSA],
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[dnl Save the original CFLAGS, LDFLAGS, and LIBS
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alsa_save_CFLAGS="$CFLAGS"
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alsa_save_LDFLAGS="$LDFLAGS"
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alsa_save_LIBS="$LIBS"
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alsa_found=yes
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dnl
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dnl Get the cflags and libraries for alsa
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dnl
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AC_ARG_WITH(alsa-prefix,
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[  --with-alsa-prefix=PFX  Prefix where Alsa library is installed(optional)],
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[alsa_prefix="$withval"], [alsa_prefix=""])
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AC_ARG_WITH(alsa-inc-prefix,
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[  --with-alsa-inc-prefix=PFX  Prefix where include libraries are (optional)],
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[alsa_inc_prefix="$withval"], [alsa_inc_prefix=""])
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dnl FIXME: this is not yet implemented
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AC_ARG_ENABLE(alsatest,
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[  --disable-alsatest      Do not try to compile and run a test Alsa program],
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[enable_alsatest="$enableval"],
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[enable_alsatest=yes])
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dnl Add any special include directories
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AC_MSG_CHECKING(for ALSA CFLAGS)
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if test "$alsa_inc_prefix" != "" ; then
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	ALSA_CFLAGS="$ALSA_CFLAGS -I$alsa_inc_prefix"
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	CFLAGS="$CFLAGS -I$alsa_inc_prefix"
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fi
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AC_MSG_RESULT($ALSA_CFLAGS)
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dnl add any special lib dirs
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AC_MSG_CHECKING(for ALSA LDFLAGS)
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if test "$alsa_prefix" != "" ; then
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	ALSA_LIBS="$ALSA_LIBS -L$alsa_prefix"
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	LDFLAGS="$LDFLAGS $ALSA_LIBS"
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fi
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dnl add the alsa library
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ALSA_LIBS="$ALSA_LIBS -lasound -lm -ldl -lpthread"
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LIBS=`echo $LIBS | sed 's/-lm//'`
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LIBS=`echo $LIBS | sed 's/-ldl//'`
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LIBS=`echo $LIBS | sed 's/-lpthread//'`
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LIBS=`echo $LIBS | sed 's/  //'`
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LIBS="$ALSA_LIBS $LIBS"
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AC_MSG_RESULT($ALSA_LIBS)
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dnl Check for a working version of libasound that is of the right version.
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min_alsa_version=ifelse([$1], ,0.1.1,$1)
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AC_MSG_CHECKING(for libasound headers version >= $min_alsa_version)
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no_alsa=""
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    alsa_min_major_version=`echo $min_alsa_version | \
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           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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    alsa_min_minor_version=`echo $min_alsa_version | \
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           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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    alsa_min_micro_version=`echo $min_alsa_version | \
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           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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AC_LANG_SAVE
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AC_LANG_C
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AC_TRY_COMPILE([
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#include <alsa/asoundlib.h>
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], [
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/* ensure backward compatibility */
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#if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)
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#define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR
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#endif
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#if !defined(SND_LIB_MINOR) && defined(SOUNDLIB_VERSION_MINOR)
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#define SND_LIB_MINOR SOUNDLIB_VERSION_MINOR
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#endif
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#if !defined(SND_LIB_SUBMINOR) && defined(SOUNDLIB_VERSION_SUBMINOR)
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#define SND_LIB_SUBMINOR SOUNDLIB_VERSION_SUBMINOR
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#endif
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#  if(SND_LIB_MAJOR > $alsa_min_major_version)
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  exit(0);
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#  else
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#    if(SND_LIB_MAJOR < $alsa_min_major_version)
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#       error not present
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#    endif
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#   if(SND_LIB_MINOR > $alsa_min_minor_version)
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  exit(0);
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#   else
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#     if(SND_LIB_MINOR < $alsa_min_minor_version)
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#          error not present
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#      endif
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#      if(SND_LIB_SUBMINOR < $alsa_min_micro_version)
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#        error not present
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#      endif
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#    endif
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#  endif
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exit(0);
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],
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  [AC_MSG_RESULT(found.)],
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  [AC_MSG_RESULT(not present.)
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   ifelse([$3], , [AC_MSG_ERROR(Sufficiently new version of libasound not found.)])
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   alsa_found=no]
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)
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AC_LANG_RESTORE
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dnl Now that we know that we have the right version, let's see if we have the library and not just the headers.
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if test "x$enable_alsatest" = "xyes"; then
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AC_CHECK_LIB([asound], [snd_ctl_open],,
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	[ifelse([$3], , [AC_MSG_ERROR(No linkable libasound was found.)])
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	 alsa_found=no]
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)
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fi
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if test "x$alsa_found" = "xyes" ; then
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   ifelse([$2], , :, [$2])
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   LIBS=`echo $LIBS | sed 's/-lasound//g'`
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   LIBS=`echo $LIBS | sed 's/  //'`
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   LIBS="-lasound $LIBS"
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fi
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if test "x$alsa_found" = "xno" ; then
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   ifelse([$3], , :, [$3])
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   CFLAGS="$alsa_save_CFLAGS"
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   LDFLAGS="$alsa_save_LDFLAGS"
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   LIBS="$alsa_save_LIBS"
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   ALSA_CFLAGS=""
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   ALSA_LIBS=""
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fi
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dnl That should be it.  Now just export out symbols:
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AC_SUBST(ALSA_CFLAGS)
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AC_SUBST(ALSA_LIBS)
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])
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##############################################################################
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#
0
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# --- esd.m4 ---
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#
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# Configure paths for ESD
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# Manish Singh    98-9-30
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# stolen back from Frank Belew
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# stolen from Manish Singh
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# Shamelessly stolen from Owen Taylor
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dnl AM_PATH_ESD([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
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dnl Test for ESD, and define ESD_CFLAGS and ESD_LIBS
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dnl
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AC_DEFUN([AM_PATH_ESD],
0
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[dnl 
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dnl Get the cflags and libraries from the esd-config script
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dnl
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AC_ARG_WITH(esd-prefix,[  --with-esd-prefix=PFX   Prefix where ESD is installed (optional)],
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            esd_prefix="$withval", esd_prefix="")
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AC_ARG_WITH(esd-exec-prefix,[  --with-esd-exec-prefix=PFX Exec prefix where ESD is installed (optional)],
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            esd_exec_prefix="$withval", esd_exec_prefix="")
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AC_ARG_ENABLE(esdtest, [  --disable-esdtest       Do not try to compile and run a test ESD program],
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		    , enable_esdtest=yes)
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  if test x$esd_exec_prefix != x ; then
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     esd_args="$esd_args --exec-prefix=$esd_exec_prefix"
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     if test x${ESD_CONFIG+set} != xset ; then
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        ESD_CONFIG=$esd_exec_prefix/bin/esd-config
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     fi
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  fi
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  if test x$esd_prefix != x ; then
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     esd_args="$esd_args --prefix=$esd_prefix"
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     if test x${ESD_CONFIG+set} != xset ; then
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        ESD_CONFIG=$esd_prefix/bin/esd-config
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     fi
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  fi
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  AC_PATH_PROG(ESD_CONFIG, esd-config, no)
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  min_esd_version=ifelse([$1], ,0.2.7,$1)
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  AC_MSG_CHECKING(for ESD - version >= $min_esd_version)
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  no_esd=""
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  if test "$ESD_CONFIG" = "no" ; then
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    no_esd=yes
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  else
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    ESD_CFLAGS=`$ESD_CONFIG $esdconf_args --cflags`
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    ESD_LIBS=`$ESD_CONFIG $esdconf_args --libs`
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    esd_major_version=`$ESD_CONFIG $esd_args --version | \
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           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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    esd_minor_version=`$ESD_CONFIG $esd_args --version | \
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           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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    esd_micro_version=`$ESD_CONFIG $esd_config_args --version | \
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           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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    if test "x$enable_esdtest" = "xyes" ; then
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      ac_save_CFLAGS="$CFLAGS"
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      ac_save_LIBS="$LIBS"
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      CFLAGS="$CFLAGS $ESD_CFLAGS"
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      LIBS="$LIBS $ESD_LIBS"
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dnl
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dnl Now check if the installed ESD is sufficiently new. (Also sanity
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dnl checks the results of esd-config to some extent
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dnl
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      rm -f conf.esdtest
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      AC_TRY_RUN([
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <esd.h>
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char*
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my_strdup (char *str)
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{
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  char *new_str;
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  if (str)
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    {
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      new_str = malloc ((strlen (str) + 1) * sizeof(char));
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      strcpy (new_str, str);
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    }
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  else
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    new_str = NULL;
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  return new_str;
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}
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int main ()
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{
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  int major, minor, micro;
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  char *tmp_version;
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  system ("touch conf.esdtest");
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  /* HP/UX 9 (%@#!) writes to sscanf strings */
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  tmp_version = my_strdup("$min_esd_version");
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  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
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     printf("%s, bad version string\n", "$min_esd_version");
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     exit(1);
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   }
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   if (($esd_major_version > major) ||
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      (($esd_major_version == major) && ($esd_minor_version > minor)) ||
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      (($esd_major_version == major) && ($esd_minor_version == minor) && ($esd_micro_version >= micro)))
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    {
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      return 0;
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    }
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  else
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    {
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      printf("\n*** 'esd-config --version' returned %d.%d.%d, but the minimum version\n", $esd_major_version, $esd_minor_version, $esd_micro_version);
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      printf("*** of ESD required is %d.%d.%d. If esd-config is correct, then it is\n", major, minor, micro);
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      printf("*** best to upgrade to the required version.\n");
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      printf("*** If esd-config was wrong, set the environment variable ESD_CONFIG\n");
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      printf("*** to point to the correct copy of esd-config, and remove the file\n");
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      printf("*** config.cache before re-running configure\n");
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      return 1;
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    }
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}
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],, no_esd=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
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       CFLAGS="$ac_save_CFLAGS"
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       LIBS="$ac_save_LIBS"
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     fi
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  fi
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  if test "x$no_esd" = x ; then
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     AC_MSG_RESULT(yes)
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     ifelse([$2], , :, [$2])     
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  else
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     AC_MSG_RESULT(no)
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     if test "$ESD_CONFIG" = "no" ; then
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       echo "*** The esd-config script installed by ESD could not be found"
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       echo "*** If ESD was installed in PREFIX, make sure PREFIX/bin is in"
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       echo "*** your path, or set the ESD_CONFIG environment variable to the"
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       echo "*** full path to esd-config."
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     else
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       if test -f conf.esdtest ; then
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        :
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       else
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          echo "*** Could not run ESD test program, checking why..."
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          CFLAGS="$CFLAGS $ESD_CFLAGS"
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          LIBS="$LIBS $ESD_LIBS"
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          AC_TRY_LINK([
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#include <stdio.h>
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#include <esd.h>
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],      [ return 0; ],
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        [ echo "*** The test program compiled, but did not run. This usually means"
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          echo "*** that the run-time linker is not finding ESD or finding the wrong"
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          echo "*** version of ESD. If it is not finding ESD, you'll need to set your"
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          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
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          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
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          echo "*** is required on your system"
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	  echo "***"
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          echo "*** If you have an old version installed, it is best to remove it, although"
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          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
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        [ echo "*** The test program failed to compile or link. See the file config.log for the"
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          echo "*** exact error that occured. This usually means ESD was incorrectly installed"
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          echo "*** or that you have moved ESD since it was installed. In the latter case, you"
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          echo "*** may want to edit the esd-config script: $ESD_CONFIG" ])
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          CFLAGS="$ac_save_CFLAGS"
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          LIBS="$ac_save_LIBS"
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       fi
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     fi
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     ESD_CFLAGS=""
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     ESD_LIBS=""
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     ifelse([$3], , :, [$3])
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  fi
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  AC_SUBST(ESD_CFLAGS)
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  AC_SUBST(ESD_LIBS)
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  rm -f conf.esdtest
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])
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##############################################################################
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# Based on libtool-1.5.8
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# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-
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## Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004
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## Free Software Foundation, Inc.
0
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## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
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##
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation; either version 2 of the License, or
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## (at your option) any later version.
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##
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## This program is distributed in the hope that it will be useful, but
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## WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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## General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program; if not, write to the Free Software
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## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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##
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## As a special exception to the GNU General Public License, if you
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## distribute this file as part of a program that contains a
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## configuration script generated by Autoconf, you may include it under
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## the same distribution terms that you use for the rest of that program.
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# serial 47 AC_PROG_LIBTOOL
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# AC_PROVIDE_IFELSE(MACRO-NAME, IF-PROVIDED, IF-NOT-PROVIDED)
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# -----------------------------------------------------------
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# If this macro is not defined by Autoconf, define it here.
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m4_ifdef([AC_PROVIDE_IFELSE],
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         [],
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         [m4_define([AC_PROVIDE_IFELSE],
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	         [m4_ifdef([AC_PROVIDE_$1],
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		           [$2], [$3])])])
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# AC_PROG_LIBTOOL
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# ---------------
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AC_DEFUN([AC_PROG_LIBTOOL],
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[AC_REQUIRE([_AC_PROG_LIBTOOL])dnl
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dnl If AC_PROG_CXX has already been expanded, run AC_LIBTOOL_CXX
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dnl immediately, otherwise, hook it in at the end of AC_PROG_CXX.
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  AC_PROVIDE_IFELSE([AC_PROG_CXX],
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    [AC_LIBTOOL_CXX],
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    [define([AC_PROG_CXX], defn([AC_PROG_CXX])[AC_LIBTOOL_CXX
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  ])])
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dnl And a similar setup for Fortran 77 support
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  AC_PROVIDE_IFELSE([AC_PROG_F77],
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    [AC_LIBTOOL_F77],
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    [define([AC_PROG_F77], defn([AC_PROG_F77])[AC_LIBTOOL_F77
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])])
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dnl Quote A][M_PROG_GCJ so that aclocal doesn't bring it in needlessly.
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dnl If either AC_PROG_GCJ or A][M_PROG_GCJ have already been expanded, run
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dnl AC_LIBTOOL_GCJ immediately, otherwise, hook it in at the end of both.
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  AC_PROVIDE_IFELSE([AC_PROG_GCJ],
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    [AC_LIBTOOL_GCJ],
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    [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],
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      [AC_LIBTOOL_GCJ],
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      [AC_PROVIDE_IFELSE([LT_AC_PROG_GCJ],
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	[AC_LIBTOOL_GCJ],
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      [ifdef([AC_PROG_GCJ],
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	     [define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[AC_LIBTOOL_GCJ])])
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       ifdef([A][M_PROG_GCJ],
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	     [define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[AC_LIBTOOL_GCJ])])
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       ifdef([LT_AC_PROG_GCJ],
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	     [define([LT_AC_PROG_GCJ],
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		defn([LT_AC_PROG_GCJ])[AC_LIBTOOL_GCJ])])])])
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])])# AC_PROG_LIBTOOL
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# _AC_PROG_LIBTOOL
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# ----------------
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AC_DEFUN([_AC_PROG_LIBTOOL],
0
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[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
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AC_BEFORE([$0],[AC_LIBTOOL_CXX])dnl
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AC_BEFORE([$0],[AC_LIBTOOL_F77])dnl
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AC_BEFORE([$0],[AC_LIBTOOL_GCJ])dnl
0
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diff changeset
   398
# This can be used to rebuild libtool when needed
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   399
LIBTOOL_DEPS="$ac_aux_dir/ltmain.sh"
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   400
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   401
# Always use our own libtool.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   402
LIBTOOL='$(SHELL) $(top_builddir)/libtool'
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   403
AC_SUBST(LIBTOOL)dnl
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   404
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   405
# Prevent multiple expansion
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   406
define([AC_PROG_LIBTOOL], [])
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   407
])# _AC_PROG_LIBTOOL
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   408
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   409
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   410
# AC_LIBTOOL_SETUP
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   411
# ----------------
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   412
AC_DEFUN([AC_LIBTOOL_SETUP],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   413
[AC_PREREQ(2.50)dnl
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   414
AC_REQUIRE([AC_ENABLE_SHARED])dnl
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   415
AC_REQUIRE([AC_ENABLE_STATIC])dnl
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   416
AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   417
AC_REQUIRE([AC_CANONICAL_HOST])dnl
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   418
AC_REQUIRE([AC_CANONICAL_BUILD])dnl
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   419
AC_REQUIRE([AC_PROG_CC])dnl
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   420
AC_REQUIRE([AC_PROG_LD])dnl
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   421
AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   422
AC_REQUIRE([AC_PROG_NM])dnl
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   423
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   424
AC_REQUIRE([AC_PROG_LN_S])dnl
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   425
AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   426
# Autoconf 2.13's AC_OBJEXT and AC_EXEEXT macros only works for C compilers!
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   427
AC_REQUIRE([AC_OBJEXT])dnl
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   428
AC_REQUIRE([AC_EXEEXT])dnl
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   429
dnl
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   430
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   431
AC_LIBTOOL_SYS_MAX_CMD_LEN
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   432
AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   433
AC_LIBTOOL_OBJDIR
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   434
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   435
AC_REQUIRE([_LT_AC_SYS_COMPILER])dnl
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   436
_LT_AC_PROG_ECHO_BACKSLASH
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   437
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   438
case $host_os in
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   439
aix3*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   440
  # AIX sometimes has problems with the GCC collect2 program.  For some
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   441
  # reason, if we set the COLLECT_NAMES environment variable, the problems
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   442
  # vanish in a puff of smoke.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   443
  if test "X${COLLECT_NAMES+set}" != Xset; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   444
    COLLECT_NAMES=
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   445
    export COLLECT_NAMES
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   446
  fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   447
  ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   448
esac
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   449
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   450
# Sed substitution that helps us do robust quoting.  It backslashifies
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   451
# metacharacters that are still active within double-quoted strings.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   452
Xsed='sed -e s/^X//'
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   453
[sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g']
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   454
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   455
# Same as above, but do not quote variable references.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   456
[double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g']
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   457
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   458
# Sed substitution to delay expansion of an escaped shell variable in a
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   459
# double_quote_subst'ed string.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   460
delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   461
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   462
# Sed substitution to avoid accidental globbing in evaled expressions
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   463
no_glob_subst='s/\*/\\\*/g'
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   464
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   465
# Constants:
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   466
rm="rm -f"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   467
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   468
# Global variables:
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   469
default_ofile=libtool
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   470
can_build_shared=yes
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   471
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   472
# All known linkers require a `.a' archive for static linking (except M$VC,
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   473
# which needs '.lib').
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   474
libext=a
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   475
ltmain="$ac_aux_dir/ltmain.sh"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   476
ofile="$default_ofile"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   477
with_gnu_ld="$lt_cv_prog_gnu_ld"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   478
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   479
AC_CHECK_TOOL(AR, ar, false)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   480
AC_CHECK_TOOL(RANLIB, ranlib, :)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   481
AC_CHECK_TOOL(STRIP, strip, :)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   482
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   483
old_CC="$CC"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   484
old_CFLAGS="$CFLAGS"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   485
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   486
# Set sane defaults for various variables
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   487
test -z "$AR" && AR=ar
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   488
test -z "$AR_FLAGS" && AR_FLAGS=cru
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   489
test -z "$AS" && AS=as
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   490
test -z "$CC" && CC=cc
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   491
test -z "$LTCC" && LTCC=$CC
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   492
test -z "$DLLTOOL" && DLLTOOL=dlltool
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   493
test -z "$LD" && LD=ld
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   494
test -z "$LN_S" && LN_S="ln -s"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   495
test -z "$MAGIC_CMD" && MAGIC_CMD=file
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   496
test -z "$NM" && NM=nm
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   497
test -z "$SED" && SED=sed
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   498
test -z "$OBJDUMP" && OBJDUMP=objdump
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   499
test -z "$RANLIB" && RANLIB=:
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   500
test -z "$STRIP" && STRIP=:
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   501
test -z "$ac_objext" && ac_objext=o
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   502
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   503
# Determine commands to create old-style static archives.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   504
old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs$old_deplibs'
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   505
old_postinstall_cmds='chmod 644 $oldlib'
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   506
old_postuninstall_cmds=
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   507
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   508
if test -n "$RANLIB"; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   509
  case $host_os in
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   510
  openbsd*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   511
    old_postinstall_cmds="\$RANLIB -t \$oldlib~$old_postinstall_cmds"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   512
    ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   513
  *)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   514
    old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   515
    ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   516
  esac
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   517
  old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   518
fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   519
947
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
   520
cc_basename=`$echo X"$compiler" | $Xsed -e 's%^.*/%%'`
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
   521
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   522
# Only perform the check for file, if the check method requires it
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   523
case $deplibs_check_method in
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   524
file_magic*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   525
  if test "$file_magic_cmd" = '$MAGIC_CMD'; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   526
    AC_PATH_MAGIC
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   527
  fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   528
  ;;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   529
esac
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   530
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   531
AC_PROVIDE_IFELSE([AC_LIBTOOL_DLOPEN], enable_dlopen=yes, enable_dlopen=no)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   532
AC_PROVIDE_IFELSE([AC_LIBTOOL_WIN32_DLL],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   533
enable_win32_dll=yes, enable_win32_dll=no)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   534
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   535
AC_ARG_ENABLE([libtool-lock],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   536
    [AC_HELP_STRING([--disable-libtool-lock],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   537
	[avoid locking (might break parallel builds)])])
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   538
test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   539
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   540
AC_ARG_WITH([pic],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   541
    [AC_HELP_STRING([--with-pic],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   542
	[try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   543
    [pic_mode="$withval"],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   544
    [pic_mode=default])
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   545
test -z "$pic_mode" && pic_mode=default
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   546
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   547
# Use C for the default configuration in the libtool script
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   548
tagname=
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   549
AC_LIBTOOL_LANG_C_CONFIG
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   550
_LT_AC_TAGCONFIG
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   551
])# AC_LIBTOOL_SETUP
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   552
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   553
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   554
# _LT_AC_SYS_COMPILER
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   555
# -------------------
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   556
AC_DEFUN([_LT_AC_SYS_COMPILER],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   557
[AC_REQUIRE([AC_PROG_CC])dnl
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   558
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   559
# If no C compiler was specified, use CC.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   560
LTCC=${LTCC-"$CC"}
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   561
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   562
# Allow CC to be a program name with arguments.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   563
compiler=$CC
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   564
])# _LT_AC_SYS_COMPILER
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   565
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   566
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   567
# _LT_AC_SYS_LIBPATH_AIX
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   568
# ----------------------
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   569
# Links a minimal program and checks the executable
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   570
# for the system default hardcoded library path. In most cases,
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   571
# this is /usr/lib:/lib, but when the MPI compilers are used
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   572
# the location of the communication and MPI libs are included too.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   573
# If we don't find anything, use the default library path according
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   574
# to the aix ld manual.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   575
AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   576
[AC_LINK_IFELSE(AC_LANG_PROGRAM,[
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   577
aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0  *\(.*\)$/\1/; p; }
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   578
}'`
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   579
# Check for a 64-bit object if we didn't find anything.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   580
if test -z "$aix_libpath"; then aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0  *\(.*\)$/\1/; p; }
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   581
}'`; fi],[])
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   582
if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   583
])# _LT_AC_SYS_LIBPATH_AIX
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   584
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   585
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   586
# _LT_AC_SHELL_INIT(ARG)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   587
# ----------------------
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   588
AC_DEFUN([_LT_AC_SHELL_INIT],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   589
[ifdef([AC_DIVERSION_NOTICE],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   590
	     [AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   591
	 [AC_DIVERT_PUSH(NOTICE)])
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   592
$1
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   593
AC_DIVERT_POP
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   594
])# _LT_AC_SHELL_INIT
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   595
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   596
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   597
# _LT_AC_PROG_ECHO_BACKSLASH
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   598
# --------------------------
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   599
# Add some code to the start of the generated configure script which
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   600
# will find an echo command which doesn't interpret backslashes.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   601
AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   602
[_LT_AC_SHELL_INIT([
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   603
# Check that we are running under the correct shell.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   604
SHELL=${CONFIG_SHELL-/bin/sh}
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   605
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   606
case X$ECHO in
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   607
X*--fallback-echo)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   608
  # Remove one level of quotation (which was required for Make).
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   609
  ECHO=`echo "$ECHO" | sed 's,\\\\\[$]\\[$]0,'[$]0','`
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   610
  ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   611
esac
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   612
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   613
echo=${ECHO-echo}
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   614
if test "X[$]1" = X--no-reexec; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   615
  # Discard the --no-reexec flag, and continue.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   616
  shift
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   617
elif test "X[$]1" = X--fallback-echo; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   618
  # Avoid inline document here, it may be left over
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   619
  :
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   620
elif test "X`($echo '\t') 2>/dev/null`" = 'X\t' ; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   621
  # Yippee, $echo works!
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   622
  :
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   623
else
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   624
  # Restart under the correct shell.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   625
  exec $SHELL "[$]0" --no-reexec ${1+"[$]@"}
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   626
fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   627
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   628
if test "X[$]1" = X--fallback-echo; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   629
  # used as fallback echo
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   630
  shift
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   631
  cat <<EOF
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   632
[$]*
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   633
EOF
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   634
  exit 0
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   635
fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   636
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   637
# The HP-UX ksh and POSIX shell print the target directory to stdout
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   638
# if CDPATH is set.
947
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
   639
(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   640
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   641
if test -z "$ECHO"; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   642
if test "X${echo_test_string+set}" != Xset; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   643
# find a string as large as possible, as long as the shell can cope with it
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   644
  for cmd in 'sed 50q "[$]0"' 'sed 20q "[$]0"' 'sed 10q "[$]0"' 'sed 2q "[$]0"' 'echo test'; do
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   645
    # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   646
    if (echo_test_string="`eval $cmd`") 2>/dev/null &&
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   647
       echo_test_string="`eval $cmd`" &&
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   648
       (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   649
    then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   650
      break
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   651
    fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   652
  done
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   653
fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   654
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   655
if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   656
   echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   657
   test "X$echo_testing_string" = "X$echo_test_string"; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   658
  :
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   659
else
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   660
  # The Solaris, AIX, and Digital Unix default echo programs unquote
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   661
  # backslashes.  This makes it impossible to quote backslashes using
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   662
  #   echo "$something" | sed 's/\\/\\\\/g'
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   663
  #
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   664
  # So, first we look for a working echo in the user's PATH.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   665
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   666
  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   667
  for dir in $PATH /usr/ucb; do
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   668
    IFS="$lt_save_ifs"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   669
    if (test -f $dir/echo || test -f $dir/echo$ac_exeext) &&
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   670
       test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   671
       echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` &&
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   672
       test "X$echo_testing_string" = "X$echo_test_string"; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   673
      echo="$dir/echo"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   674
      break
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   675
    fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   676
  done
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   677
  IFS="$lt_save_ifs"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   678
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   679
  if test "X$echo" = Xecho; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   680
    # We didn't find a better echo, so look for alternatives.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   681
    if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   682
       echo_testing_string=`(print -r "$echo_test_string") 2>/dev/null` &&
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   683
       test "X$echo_testing_string" = "X$echo_test_string"; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   684
      # This shell has a builtin print -r that does the trick.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   685
      echo='print -r'
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   686
    elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) &&
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   687
	 test "X$CONFIG_SHELL" != X/bin/ksh; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   688
      # If we have ksh, try running configure again with it.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   689
      ORIGINAL_CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   690
      export ORIGINAL_CONFIG_SHELL
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   691
      CONFIG_SHELL=/bin/ksh
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   692
      export CONFIG_SHELL
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   693
      exec $CONFIG_SHELL "[$]0" --no-reexec ${1+"[$]@"}
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   694
    else
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   695
      # Try using printf.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   696
      echo='printf %s\n'
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   697
      if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   698
	 echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   699
	 test "X$echo_testing_string" = "X$echo_test_string"; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   700
	# Cool, printf works
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   701
	:
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   702
      elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   703
	   test "X$echo_testing_string" = 'X\t' &&
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   704
	   echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   705
	   test "X$echo_testing_string" = "X$echo_test_string"; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   706
	CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   707
	export CONFIG_SHELL
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   708
	SHELL="$CONFIG_SHELL"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   709
	export SHELL
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   710
	echo="$CONFIG_SHELL [$]0 --fallback-echo"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   711
      elif echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   712
	   test "X$echo_testing_string" = 'X\t' &&
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   713
	   echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   714
	   test "X$echo_testing_string" = "X$echo_test_string"; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   715
	echo="$CONFIG_SHELL [$]0 --fallback-echo"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   716
      else
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   717
	# maybe with a smaller string...
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   718
	prev=:
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   719
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   720
	for cmd in 'echo test' 'sed 2q "[$]0"' 'sed 10q "[$]0"' 'sed 20q "[$]0"' 'sed 50q "[$]0"'; do
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   721
	  if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   722
	  then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   723
	    break
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   724
	  fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   725
	  prev="$cmd"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   726
	done
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   727
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   728
	if test "$prev" != 'sed 50q "[$]0"'; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   729
	  echo_test_string=`eval $prev`
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   730
	  export echo_test_string
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   731
	  exec ${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}} "[$]0" ${1+"[$]@"}
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   732
	else
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   733
	  # Oops.  We lost completely, so just stick with echo.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   734
	  echo=echo
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   735
	fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   736
      fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   737
    fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   738
  fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   739
fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   740
fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   741
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   742
# Copy echo and quote the copy suitably for passing to libtool from
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   743
# the Makefile, instead of quoting the original, which is used later.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   744
ECHO=$echo
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   745
if test "X$ECHO" = "X$CONFIG_SHELL [$]0 --fallback-echo"; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   746
   ECHO="$CONFIG_SHELL \\\$\[$]0 --fallback-echo"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   747
fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   748
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   749
AC_SUBST(ECHO)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   750
])])# _LT_AC_PROG_ECHO_BACKSLASH
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   751
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   752
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   753
# _LT_AC_LOCK
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   754
# -----------
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   755
AC_DEFUN([_LT_AC_LOCK],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   756
[AC_ARG_ENABLE([libtool-lock],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   757
    [AC_HELP_STRING([--disable-libtool-lock],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   758
	[avoid locking (might break parallel builds)])])
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   759
test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   760
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   761
# Some flags need to be propagated to the compiler or linker for good
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   762
# libtool support.
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   763
case $host in
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   764
ia64-*-hpux*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   765
  # Find out which ABI we are using.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   766
  echo 'int i;' > conftest.$ac_ext
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   767
  if AC_TRY_EVAL(ac_compile); then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   768
    case `/usr/bin/file conftest.$ac_objext` in
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   769
    *ELF-32*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   770
      HPUX_IA64_MODE="32"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   771
      ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   772
    *ELF-64*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   773
      HPUX_IA64_MODE="64"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   774
      ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   775
    esac
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   776
  fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   777
  rm -rf conftest*
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   778
  ;;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   779
*-*-irix6*)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   780
  # Find out which ABI we are using.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   781
  echo '[#]line __oline__ "configure"' > conftest.$ac_ext
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   782
  if AC_TRY_EVAL(ac_compile); then
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   783
   if test "$lt_cv_prog_gnu_ld" = yes; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   784
    case `/usr/bin/file conftest.$ac_objext` in
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   785
    *32-bit*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   786
      LD="${LD-ld} -melf32bsmip"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   787
      ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   788
    *N32*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   789
      LD="${LD-ld} -melf32bmipn32"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   790
      ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   791
    *64-bit*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   792
      LD="${LD-ld} -melf64bmip"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   793
      ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   794
    esac
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   795
   else
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   796
    case `/usr/bin/file conftest.$ac_objext` in
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   797
    *32-bit*)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   798
      LD="${LD-ld} -32"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   799
      ;;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   800
    *N32*)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   801
      LD="${LD-ld} -n32"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   802
      ;;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   803
    *64-bit*)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   804
      LD="${LD-ld} -64"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   805
      ;;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   806
    esac
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   807
   fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   808
  fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   809
  rm -rf conftest*
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   810
  ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   811
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   812
x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*|s390*-*linux*|sparc*-*linux*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   813
  # Find out which ABI we are using.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   814
  echo 'int i;' > conftest.$ac_ext
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   815
  if AC_TRY_EVAL(ac_compile); then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   816
    case "`/usr/bin/file conftest.o`" in
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   817
    *32-bit*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   818
      case $host in
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   819
        x86_64-*linux*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   820
          LD="${LD-ld} -m elf_i386"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   821
          ;;
947
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
   822
        ppc64-*linux*|powerpc64-*linux*)
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   823
          LD="${LD-ld} -m elf32ppclinux"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   824
          ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   825
        s390x-*linux*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   826
          LD="${LD-ld} -m elf_s390"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   827
          ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   828
        sparc64-*linux*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   829
          LD="${LD-ld} -m elf32_sparc"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   830
          ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   831
      esac
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   832
      ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   833
    *64-bit*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   834
      case $host in
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   835
        x86_64-*linux*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   836
          LD="${LD-ld} -m elf_x86_64"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   837
          ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   838
        ppc*-*linux*|powerpc*-*linux*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   839
          LD="${LD-ld} -m elf64ppc"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   840
          ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   841
        s390*-*linux*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   842
          LD="${LD-ld} -m elf64_s390"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   843
          ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   844
        sparc*-*linux*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   845
          LD="${LD-ld} -m elf64_sparc"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   846
          ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   847
      esac
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   848
      ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   849
    esac
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   850
  fi
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   851
  rm -rf conftest*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   852
  ;;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   853
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   854
*-*-sco3.2v5*)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   855
  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   856
  SAVE_CFLAGS="$CFLAGS"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   857
  CFLAGS="$CFLAGS -belf"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   858
  AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   859
    [AC_LANG_PUSH(C)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   860
     AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   861
     AC_LANG_POP])
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   862
  if test x"$lt_cv_cc_needs_belf" != x"yes"; then
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   863
    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   864
    CFLAGS="$SAVE_CFLAGS"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   865
  fi
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   866
  ;;
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   867
AC_PROVIDE_IFELSE([AC_LIBTOOL_WIN32_DLL],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   868
[*-*-cygwin* | *-*-mingw* | *-*-pw32*)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   869
  AC_CHECK_TOOL(DLLTOOL, dlltool, false)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   870
  AC_CHECK_TOOL(AS, as, false)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   871
  AC_CHECK_TOOL(OBJDUMP, objdump, false)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   872
  ;;
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   873
  ])
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   874
esac
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   875
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   876
need_locks="$enable_libtool_lock"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   877
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   878
])# _LT_AC_LOCK
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   879
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   880
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   881
# AC_LIBTOOL_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   882
#		[OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE])
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   883
# ----------------------------------------------------------------
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   884
# Check whether the given compiler option works
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   885
AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION],
947
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
   886
[AC_REQUIRE([LT_AC_PROG_SED])
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
   887
AC_CACHE_CHECK([$1], [$2],
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   888
  [$2=no
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   889
  ifelse([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4])
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   890
   printf "$lt_simple_compile_test_code" > conftest.$ac_ext
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   891
   lt_compiler_flag="$3"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   892
   # Insert the option either (1) after the last *FLAGS variable, or
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   893
   # (2) before a word containing "conftest.", or (3) at the end.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   894
   # Note that $ac_compile itself does not contain backslashes and begins
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   895
   # with a dollar sign (not a hyphen), so the echo should work correctly.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   896
   # The option is referenced via a variable to avoid confusing sed.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   897
   lt_compile=`echo "$ac_compile" | $SED \
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   898
   -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   899
   -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   900
   -e 's:$: $lt_compiler_flag:'`
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   901
   (eval echo "\"\$as_me:__oline__: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   902
   (eval "$lt_compile" 2>conftest.err)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   903
   ac_status=$?
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   904
   cat conftest.err >&AS_MESSAGE_LOG_FD
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   905
   echo "$as_me:__oline__: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   906
   if (exit $ac_status) && test -s "$ac_outfile"; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   907
     # The compiler can only warn and ignore the option if not recognized
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   908
     # So say no if there are warnings
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   909
     if test ! -s conftest.err; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   910
       $2=yes
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   911
     fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   912
   fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   913
   $rm conftest*
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   914
])
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   915
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   916
if test x"[$]$2" = xyes; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   917
    ifelse([$5], , :, [$5])
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   918
else
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   919
    ifelse([$6], , :, [$6])
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   920
fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   921
])# AC_LIBTOOL_COMPILER_OPTION
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   922
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   923
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   924
# AC_LIBTOOL_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   925
#                          [ACTION-SUCCESS], [ACTION-FAILURE])
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   926
# ------------------------------------------------------------
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   927
# Check whether the given compiler option works
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   928
AC_DEFUN([AC_LIBTOOL_LINKER_OPTION],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   929
[AC_CACHE_CHECK([$1], [$2],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   930
  [$2=no
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   931
   save_LDFLAGS="$LDFLAGS"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   932
   LDFLAGS="$LDFLAGS $3"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   933
   printf "$lt_simple_link_test_code" > conftest.$ac_ext
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   934
   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   935
     # The compiler can only warn and ignore the option if not recognized
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   936
     # So say no if there are warnings
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   937
     if test -s conftest.err; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   938
       # Append any errors to the config.log.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   939
       cat conftest.err 1>&AS_MESSAGE_LOG_FD
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   940
     else
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   941
       $2=yes
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   942
     fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   943
   fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   944
   $rm conftest*
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   945
   LDFLAGS="$save_LDFLAGS"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   946
])
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   947
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   948
if test x"[$]$2" = xyes; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   949
    ifelse([$4], , :, [$4])
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   950
else
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   951
    ifelse([$5], , :, [$5])
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   952
fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   953
])# AC_LIBTOOL_LINKER_OPTION
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   954
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   955
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   956
# AC_LIBTOOL_SYS_MAX_CMD_LEN
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   957
# --------------------------
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   958
AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   959
[# find the maximum length of command line arguments
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   960
AC_MSG_CHECKING([the maximum length of command line arguments])
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   961
AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   962
  i=0
947
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
   963
  teststring="ABCD"
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   964
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   965
  case $build_os in
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   966
  msdosdjgpp*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   967
    # On DJGPP, this test can blow up pretty badly due to problems in libc
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   968
    # (any single argument exceeding 2000 bytes causes a buffer overrun
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   969
    # during glob expansion).  Even if it were fixed, the result of this
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   970
    # check would be larger than it should be.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   971
    lt_cv_sys_max_cmd_len=12288;    # 12K is about right
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   972
    ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   973
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   974
  gnu*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   975
    # Under GNU Hurd, this test is not required because there is
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   976
    # no limit to the length of command line arguments.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   977
    # Libtool will interpret -1 as no limit whatsoever
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   978
    lt_cv_sys_max_cmd_len=-1;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   979
    ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   980
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   981
  cygwin* | mingw*)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   982
    # On Win9x/ME, this test blows up -- it succeeds, but takes
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   983
    # about 5 minutes as the teststring grows exponentially.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   984
    # Worse, since 9x/ME are not pre-emptively multitasking,
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   985
    # you end up with a "frozen" computer, even though with patience
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   986
    # the test eventually succeeds (with a max line length of 256k).
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   987
    # Instead, let's just punt: use the minimum linelength reported by
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   988
    # all of the supported platforms: 8192 (on NT/2K/XP).
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   989
    lt_cv_sys_max_cmd_len=8192;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   990
    ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
   991
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1309
diff changeset
   992
  beos*)
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1309
diff changeset
   993
    # On BeOS, this test takes a really really long time.
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1309
diff changeset
   994
    # So we just punt and use a minimum line length of 8192.
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1309
diff changeset
   995
    lt_cv_sys_max_cmd_len=8192;
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1309
diff changeset
   996
    ;;
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1309
diff changeset
   997
947
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
   998
  amigaos*)
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
   999
    # On AmigaOS with pdksh, this test takes hours, literally.
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1000
    # So we just punt and use a minimum line length of 8192.
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1001
    lt_cv_sys_max_cmd_len=8192;
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1002
    ;;
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1003
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1004
  netbsd* | freebsd* | openbsd* | darwin* )
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1005
    # This has been around since 386BSD, at least.  Likely further.
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1006
    if test -x /sbin/sysctl; then
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1007
      lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1008
    elif test -x /usr/sbin/sysctl; then
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1009
      lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1010
    else
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1011
      lt_cv_sys_max_cmd_len=65536 # usable default for *BSD
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1012
    fi
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1013
    # And add a safety zone
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1014
    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1015
    ;;
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1016
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1017
 *)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1018
    # If test is not a shell built-in, we'll probably end up computing a
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1019
    # maximum length that is only half of the actual maximum length, but
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1020
    # we can't tell.
947
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1021
    SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1022
    while (test "X"`$SHELL [$]0 --fallback-echo "X$teststring" 2>/dev/null` \
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1023
	       = "XX$teststring") >/dev/null 2>&1 &&
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1024
	    new_result=`expr "X$teststring" : ".*" 2>&1` &&
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1025
	    lt_cv_sys_max_cmd_len=$new_result &&
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1026
	    test $i != 17 # 1/2 MB should be enough
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1027
    do
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1028
      i=`expr $i + 1`
947
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1029
      teststring=$teststring$teststring
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1030
    done
947
3bb035750537 Updated libtool support for libtool 1.5.8
Sam Lantinga <slouken@libsdl.org>
parents: 939
diff changeset
  1031
    teststring=
729
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1032
    # Add a significant safety factor because C++ compilers can tack on massive
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1033
    # amounts of additional arguments before passing them to the linker.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1034
    # It appears as though 1/2 is a usable value.
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1035
    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1036
    ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1037
  esac
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1038
])
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1039
if test -n $lt_cv_sys_max_cmd_len ; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1040
  AC_MSG_RESULT($lt_cv_sys_max_cmd_len)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1041
else
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1042
  AC_MSG_RESULT(none)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1043
fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1044
])# AC_LIBTOOL_SYS_MAX_CMD_LEN
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1045
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1046
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1047
# _LT_AC_CHECK_DLFCN
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1048
# --------------------
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1049
AC_DEFUN([_LT_AC_CHECK_DLFCN],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1050
[AC_CHECK_HEADERS(dlfcn.h)dnl
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1051
])# _LT_AC_CHECK_DLFCN
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1052
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1053
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1054
# _LT_AC_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE,
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1055
#                           ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1056
# ------------------------------------------------------------------
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1057
AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF],
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1058
[AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1059
if test "$cross_compiling" = yes; then :
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1060
  [$4]
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1061
else
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1062
  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1063
  lt_status=$lt_dlunknown
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1064
  cat > conftest.$ac_ext <<EOF
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1065
[#line __oline__ "configure"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1066
#include "confdefs.h"
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1067
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1068
#if HAVE_DLFCN_H
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1069
#include <dlfcn.h>
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1070
#endif
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1071
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1072
#include <stdio.h>
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1073
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1074
#ifdef RTLD_GLOBAL
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1075
#  define LT_DLGLOBAL		RTLD_GLOBAL
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1076
#else
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1077
#  ifdef DL_GLOBAL
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1078
#    define LT_DLGLOBAL		DL_GLOBAL
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1079
#  else
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1080
#    define LT_DLGLOBAL		0
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1081
#  endif
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1082
#endif
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1083
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1084
/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1085
   find out it does not work in some platform. */
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1086
#ifndef LT_DLLAZY_OR_NOW
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1087
#  ifdef RTLD_LAZY
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1088
#    define LT_DLLAZY_OR_NOW		RTLD_LAZY
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1089
#  else
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1090
#    ifdef DL_LAZY
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1091
#      define LT_DLLAZY_OR_NOW		DL_LAZY
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1092
#    else
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1093
#      ifdef RTLD_NOW
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1094
#        define LT_DLLAZY_OR_NOW	RTLD_NOW
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1095
#      else
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1096
#        ifdef DL_NOW
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1097
#          define LT_DLLAZY_OR_NOW	DL_NOW
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1098
#        else
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1099
#          define LT_DLLAZY_OR_NOW	0
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1100
#        endif
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1101
#      endif
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1102
#    endif
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1103
#  endif
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1104
#endif
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1105
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1106
#ifdef __cplusplus
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1107
extern "C" void exit (int);
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1108
#endif
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1109
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1110
void fnord() { int i=42;}
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1111
int main ()
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1112
{
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1113
  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1114
  int status = $lt_dlunknown;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1115
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1116
  if (self)
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1117
    {
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1118
      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1119
      else if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1120
      /* dlclose (self); */
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1121
    }
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1122
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1123
    exit (status);
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1124
}]
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1125
EOF
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1126
  if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1127
    (./conftest; exit; ) 2>/dev/null
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1128
    lt_status=$?
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1129
    case x$lt_status in
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1130
      x$lt_dlno_uscore) $1 ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1131
      x$lt_dlneed_uscore) $2 ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1132
      x$lt_unknown|x*) $3 ;;
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1133
    esac
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1134
  else :
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1135
    # compilation failed
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1136
    $3
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1137
  fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1138
fi
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1139
rm -fr conftest*
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1140
])# _LT_AC_TRY_DLOPEN_SELF
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <slouken@libsdl.org>
parents: 723
diff changeset
  1141
dac996d69abb Updated libtool support so Mingw32 builds work.
Sam Lantinga <s&#