acinclude/ltdl.m4
author Ryan C. Gordon <icculus@icculus.org>
Sun, 10 Jan 2010 05:06:03 +0000
changeset 3623 9a73fecd9181
parent 3345 437378d409b1
permissions -rw-r--r--
Reverted r5460 ... this was merged from 1.2, but was later reverted there.
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##############################################################################
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# ltdl.m4 - Configure ltdl for the target system. -*-Autoconf-*-
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#
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#   Copyright (C) 1999-2006, 2007, 2008 Free Software Foundation, Inc.
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#   Written by Thomas Tanner, 1999
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#
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# This file is free software; the Free Software Foundation gives
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# unlimited permission to copy and/or distribute it, with or without
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# modifications, as long as this notice is preserved.
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# serial 17 LTDL_INIT
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# LT_CONFIG_LTDL_DIR(DIRECTORY, [LTDL-MODE])
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# ------------------------------------------
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# DIRECTORY contains the libltdl sources.  It is okay to call this
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# function multiple times, as long as the same DIRECTORY is always given.
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AC_DEFUN([LT_CONFIG_LTDL_DIR],
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[AC_BEFORE([$0], [LTDL_INIT])
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_$0($*)
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])# LT_CONFIG_LTDL_DIR
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# We break this out into a separate macro, so that we can call it safely
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# internally without being caught accidentally by the sed scan in libtoolize.
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m4_defun([_LT_CONFIG_LTDL_DIR],
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[dnl remove trailing slashes
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m4_pushdef([_ARG_DIR], m4_bpatsubst([$1], [/*$]))
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m4_case(_LTDL_DIR,
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	[], [dnl only set lt_ltdl_dir if _ARG_DIR is not simply `.'
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	     m4_if(_ARG_DIR, [.],
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	             [],
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		 [m4_define([_LTDL_DIR], _ARG_DIR)
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	          _LT_SHELL_INIT([lt_ltdl_dir=']_ARG_DIR['])])],
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    [m4_if(_ARG_DIR, _LTDL_DIR,
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	    [],
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	[m4_fatal([multiple libltdl directories: `]_LTDL_DIR[', `]_ARG_DIR['])])])
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m4_popdef([_ARG_DIR])
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])# _LT_CONFIG_LTDL_DIR
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# Initialise:
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m4_define([_LTDL_DIR], [])
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# _LT_BUILD_PREFIX
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# ----------------
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# If Autoconf is new enough, expand to `${top_build_prefix}', otherwise
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# to `${top_builddir}/'.
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m4_define([_LT_BUILD_PREFIX],
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[m4_ifdef([AC_AUTOCONF_VERSION],
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   [m4_if(m4_version_compare(m4_defn([AC_AUTOCONF_VERSION]), [2.62]),
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	  [-1], [m4_ifdef([_AC_HAVE_TOP_BUILD_PREFIX],
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			  [${top_build_prefix}],
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			  [${top_builddir}/])],
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	  [${top_build_prefix}])],
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   [${top_builddir}/])[]dnl
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])
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# LTDL_CONVENIENCE
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# ----------------
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# sets LIBLTDL to the link flags for the libltdl convenience library and
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# LTDLINCL to the include flags for the libltdl header and adds
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# --enable-ltdl-convenience to the configure arguments.  Note that
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# AC_CONFIG_SUBDIRS is not called here.  LIBLTDL will be prefixed with
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# '${top_build_prefix}' if available, otherwise with '${top_builddir}/',
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# and LTDLINCL will be prefixed with '${top_srcdir}/' (note the single
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# quotes!).  If your package is not flat and you're not using automake,
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# define top_build_prefix, top_builddir, and top_srcdir appropriately
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# in your Makefiles.
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AC_DEFUN([LTDL_CONVENIENCE],
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[AC_BEFORE([$0], [LTDL_INIT])dnl
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dnl Although the argument is deprecated and no longer documented,
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dnl LTDL_CONVENIENCE used to take a DIRECTORY orgument, if we have one
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dnl here make sure it is the same as any other declaration of libltdl's
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dnl location!  This also ensures lt_ltdl_dir is set when configure.ac is
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dnl not yet using an explicit LT_CONFIG_LTDL_DIR.
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m4_ifval([$1], [_LT_CONFIG_LTDL_DIR([$1])])dnl
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_$0()
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])# LTDL_CONVENIENCE
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# AC_LIBLTDL_CONVENIENCE accepted a directory argument in older libtools,
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# now we have LT_CONFIG_LTDL_DIR:
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AU_DEFUN([AC_LIBLTDL_CONVENIENCE],
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[_LT_CONFIG_LTDL_DIR([m4_default([$1], [libltdl])])
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_LTDL_CONVENIENCE])
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dnl aclocal-1.4 backwards compatibility:
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dnl AC_DEFUN([AC_LIBLTDL_CONVENIENCE], [])
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# _LTDL_CONVENIENCE
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# -----------------
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# Code shared by LTDL_CONVENIENCE and LTDL_INIT([convenience]).
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m4_defun([_LTDL_CONVENIENCE],
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[case $enable_ltdl_convenience in
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  no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
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  "") enable_ltdl_convenience=yes
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      ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
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esac
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LIBLTDL='_LT_BUILD_PREFIX'"${lt_ltdl_dir+$lt_ltdl_dir/}libltdlc.la"
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LTDLDEPS=$LIBLTDL
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LTDLINCL='-I${top_srcdir}'"${lt_ltdl_dir+/$lt_ltdl_dir}"
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AC_SUBST([LIBLTDL])
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AC_SUBST([LTDLDEPS])
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AC_SUBST([LTDLINCL])
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# For backwards non-gettext consistent compatibility...
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INCLTDL="$LTDLINCL"
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AC_SUBST([INCLTDL])
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])# _LTDL_CONVENIENCE
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# LTDL_INSTALLABLE
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# ----------------
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# sets LIBLTDL to the link flags for the libltdl installable library
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# and LTDLINCL to the include flags for the libltdl header and adds
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# --enable-ltdl-install to the configure arguments.  Note that
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# AC_CONFIG_SUBDIRS is not called from here.  If an installed libltdl
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# is not found, LIBLTDL will be prefixed with '${top_build_prefix}' if
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# available, otherwise with '${top_builddir}/', and LTDLINCL will be
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# prefixed with '${top_srcdir}/' (note the single quotes!).  If your
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# package is not flat and you're not using automake, define top_build_prefix,
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# top_builddir, and top_srcdir appropriately in your Makefiles.
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# In the future, this macro may have to be called after LT_INIT.
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AC_DEFUN([LTDL_INSTALLABLE],
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[AC_BEFORE([$0], [LTDL_INIT])dnl
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dnl Although the argument is deprecated and no longer documented,
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dnl LTDL_INSTALLABLE used to take a DIRECTORY orgument, if we have one
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dnl here make sure it is the same as any other declaration of libltdl's
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dnl location!  This also ensures lt_ltdl_dir is set when configure.ac is
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dnl not yet using an explicit LT_CONFIG_LTDL_DIR.
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m4_ifval([$1], [_LT_CONFIG_LTDL_DIR([$1])])dnl
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_$0()
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])# LTDL_INSTALLABLE
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# AC_LIBLTDL_INSTALLABLE accepted a directory argument in older libtools,
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# now we have LT_CONFIG_LTDL_DIR:
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AU_DEFUN([AC_LIBLTDL_INSTALLABLE],
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[_LT_CONFIG_LTDL_DIR([m4_default([$1], [libltdl])])
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_LTDL_INSTALLABLE])
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dnl aclocal-1.4 backwards compatibility:
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dnl AC_DEFUN([AC_LIBLTDL_INSTALLABLE], [])
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# _LTDL_INSTALLABLE
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# -----------------
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# Code shared by LTDL_INSTALLABLE and LTDL_INIT([installable]).
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m4_defun([_LTDL_INSTALLABLE],
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[if test -f $prefix/lib/libltdl.la; then
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  lt_save_LDFLAGS="$LDFLAGS"
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  LDFLAGS="-L$prefix/lib $LDFLAGS"
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  AC_CHECK_LIB([ltdl], [lt_dlinit], [lt_lib_ltdl=yes])
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  LDFLAGS="$lt_save_LDFLAGS"
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  if test x"${lt_lib_ltdl-no}" = xyes; then
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    if test x"$enable_ltdl_install" != xyes; then
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      # Don't overwrite $prefix/lib/libltdl.la without --enable-ltdl-install
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      AC_MSG_WARN([not overwriting libltdl at $prefix, force with `--enable-ltdl-install'])
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      enable_ltdl_install=no
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    fi
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  elif test x"$enable_ltdl_install" = xno; then
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    AC_MSG_WARN([libltdl not installed, but installation disabled])
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  fi
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fi
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# If configure.ac declared an installable ltdl, and the user didn't override
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# with --disable-ltdl-install, we will install the shipped libltdl.
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case $enable_ltdl_install in
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  no) ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
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      LIBLTDL="-lltdl"
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      LTDLDEPS=
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      LTDLINCL=
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      ;;
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  *)  enable_ltdl_install=yes
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      ac_configure_args="$ac_configure_args --enable-ltdl-install"
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      LIBLTDL='_LT_BUILD_PREFIX'"${lt_ltdl_dir+$lt_ltdl_dir/}libltdl.la"
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      LTDLDEPS=$LIBLTDL
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      LTDLINCL='-I${top_srcdir}'"${lt_ltdl_dir+/$lt_ltdl_dir}"
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      ;;
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esac
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AC_SUBST([LIBLTDL])
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AC_SUBST([LTDLDEPS])
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AC_SUBST([LTDLINCL])
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# For backwards non-gettext consistent compatibility...
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INCLTDL="$LTDLINCL"
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AC_SUBST([INCLTDL])
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])# LTDL_INSTALLABLE
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# _LTDL_MODE_DISPATCH
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# -------------------
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m4_define([_LTDL_MODE_DISPATCH],
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[dnl If _LTDL_DIR is `.', then we are configuring libltdl itself:
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m4_if(_LTDL_DIR, [],
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	[],
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    dnl if _LTDL_MODE was not set already, the default value is `subproject':
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    [m4_case(m4_default(_LTDL_MODE, [subproject]),
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	  [subproject], [AC_CONFIG_SUBDIRS(_LTDL_DIR)
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			  _LT_SHELL_INIT([lt_dlopen_dir="$lt_ltdl_dir"])],
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	  [nonrecursive], [_LT_SHELL_INIT([lt_dlopen_dir="$lt_ltdl_dir"; lt_libobj_prefix="$lt_ltdl_dir/"])],
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	  [recursive], [],
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	[m4_fatal([unknown libltdl mode: ]_LTDL_MODE)])])dnl
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dnl Be careful not to expand twice:
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m4_define([$0], [])
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])# _LTDL_MODE_DISPATCH
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# _LT_LIBOBJ(MODULE_NAME)
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# -----------------------
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# Like AC_LIBOBJ, except that MODULE_NAME goes into _LT_LIBOBJS instead
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# of into LIBOBJS.
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AC_DEFUN([_LT_LIBOBJ], [
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  m4_pattern_allow([^_LT_LIBOBJS$])
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  _LT_LIBOBJS="$_LT_LIBOBJS $1.$ac_objext"
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])# _LT_LIBOBJS
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# LTDL_INIT([OPTIONS])
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# --------------------
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# Clients of libltdl can use this macro to allow the installer to
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# choose between a shipped copy of the ltdl sources or a preinstalled
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# version of the library.  If the shipped ltdl sources are not in a
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# subdirectory named libltdl, the directory name must be given by
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# LT_CONFIG_LTDL_DIR.
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AC_DEFUN([LTDL_INIT],
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[dnl Parse OPTIONS
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_LT_SET_OPTIONS([$0], [$1])
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dnl We need to keep our own list of libobjs separate from our parent project,
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dnl and the easiest way to do that is redefine the AC_LIBOBJs macro while
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dnl we look for our own LIBOBJs.
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m4_pushdef([AC_LIBOBJ], m4_defn([_LT_LIBOBJ]))
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m4_pushdef([AC_LIBSOURCES])
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dnl If not otherwise defined, default to the 1.5.x compatible subproject mode:
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m4_if(_LTDL_MODE, [],
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        [m4_define([_LTDL_MODE], m4_default([$2], [subproject]))
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        m4_if([-1], [m4_bregexp(_LTDL_MODE, [\(subproject\|\(non\)?recursive\)])],
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                [m4_fatal([unknown libltdl mode: ]_LTDL_MODE)])])
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AC_ARG_WITH([included_ltdl],
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    [AS_HELP_STRING([--with-included-ltdl],
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                    [use the GNU ltdl sources included here])])
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if test "x$with_included_ltdl" != xyes; then
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  # We are not being forced to use the included libltdl sources, so
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  # decide whether there is a useful installed version we can use.
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  AC_CHECK_HEADER([ltdl.h],
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      [AC_CHECK_DECL([lt_dlinterface_register],
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	   [AC_CHECK_LIB([ltdl], [lt_dladvise_preload],
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	       [with_included_ltdl=no],
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	       [with_included_ltdl=yes])],
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	   [with_included_ltdl=yes],
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	   [AC_INCLUDES_DEFAULT
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	    #include <ltdl.h>])],
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      [with_included_ltdl=yes],
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      [AC_INCLUDES_DEFAULT]
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  )
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fi
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dnl If neither LT_CONFIG_LTDL_DIR, LTDL_CONVENIENCE nor LTDL_INSTALLABLE
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dnl was called yet, then for old times' sake, we assume libltdl is in an
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dnl eponymous directory:
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AC_PROVIDE_IFELSE([LT_CONFIG_LTDL_DIR], [], [_LT_CONFIG_LTDL_DIR([libltdl])])
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AC_ARG_WITH([ltdl_include],
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    [AS_HELP_STRING([--with-ltdl-include=DIR],
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                    [use the ltdl headers installed in DIR])])
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if test -n "$with_ltdl_include"; then
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  if test -f "$with_ltdl_include/ltdl.h"; then :
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  else
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    AC_MSG_ERROR([invalid ltdl include directory: `$with_ltdl_include'])
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  fi
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else
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  with_ltdl_include=no
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fi
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AC_ARG_WITH([ltdl_lib],
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    [AS_HELP_STRING([--with-ltdl-lib=DIR],
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                    [use the libltdl.la installed in DIR])])
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if test -n "$with_ltdl_lib"; then
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  if test -f "$with_ltdl_lib/libltdl.la"; then :
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  else
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    AC_MSG_ERROR([invalid ltdl library directory: `$with_ltdl_lib'])
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  fi
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else
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  with_ltdl_lib=no
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fi
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case ,$with_included_ltdl,$with_ltdl_include,$with_ltdl_lib, in
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  ,yes,no,no,)
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	m4_case(m4_default(_LTDL_TYPE, [convenience]),
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	    [convenience], [_LTDL_CONVENIENCE],
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	    [installable], [_LTDL_INSTALLABLE],
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	  [m4_fatal([unknown libltdl build type: ]_LTDL_TYPE)])
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	;;
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  ,no,no,no,)
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	# If the included ltdl is not to be used, then use the
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	# preinstalled libltdl we found.
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	AC_DEFINE([HAVE_LTDL], [1],
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	  [Define this if a modern libltdl is already installed])
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	LIBLTDL=-lltdl
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	LTDLDEPS=
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	LTDLINCL=
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	;;
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  ,no*,no,*)
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	AC_MSG_ERROR([`--with-ltdl-include' and `--with-ltdl-lib' options must be used together])
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	;;
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  *)	with_included_ltdl=no
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	LIBLTDL="-L$with_ltdl_lib -lltdl"
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	LTDLDEPS=
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	LTDLINCL="-I$with_ltdl_include"
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	;;
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esac
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INCLTDL="$LTDLINCL"
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# Report our decision...
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AC_MSG_CHECKING([where to find libltdl headers])
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AC_MSG_RESULT([$LTDLINCL])
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AC_MSG_CHECKING([where to find libltdl library])
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AC_MSG_RESULT([$LIBLTDL])
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_LTDL_SETUP
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dnl restore autoconf definition.
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m4_popdef([AC_LIBOBJ])
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m4_popdef([AC_LIBSOURCES])
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AC_CONFIG_COMMANDS_PRE([
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    _ltdl_libobjs=
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    _ltdl_ltlibobjs=
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    if test -n "$_LT_LIBOBJS"; then
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      # Remove the extension.
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      _lt_sed_drop_objext='s/\.o$//;s/\.obj$//'
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      for i in `for i in $_LT_LIBOBJS; do echo "$i"; done | sed "$_lt_sed_drop_objext" | sort -u`; do
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        _ltdl_libobjs="$_ltdl_libobjs $lt_libobj_prefix$i.$ac_objext"
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        _ltdl_ltlibobjs="$_ltdl_ltlibobjs $lt_libobj_prefix$i.lo"
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      done
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    fi
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    AC_SUBST([ltdl_LIBOBJS], [$_ltdl_libobjs])
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    AC_SUBST([ltdl_LTLIBOBJS], [$_ltdl_ltlibobjs])
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])
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# Only expand once:
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m4_define([LTDL_INIT])
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])# LTDL_INIT
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# Old names:
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AU_DEFUN([AC_LIB_LTDL], [LTDL_INIT($@)])
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AU_DEFUN([AC_WITH_LTDL], [LTDL_INIT($@)])
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AU_DEFUN([LT_WITH_LTDL], [LTDL_INIT($@)])
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dnl aclocal-1.4 backwards compatibility:
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dnl AC_DEFUN([AC_LIB_LTDL], [])
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dnl AC_DEFUN([AC_WITH_LTDL], [])
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dnl AC_DEFUN([LT_WITH_LTDL], [])
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   360
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# _LTDL_SETUP
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# -----------
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# Perform all the checks necessary for compilation of the ltdl objects
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#  -- including compiler checks and header checks.  This is a public
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# interface  mainly for the benefit of libltdl's own configure.ac, most
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# other users should call LTDL_INIT instead.
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AC_DEFUN([_LTDL_SETUP],
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[AC_REQUIRE([AC_PROG_CC])dnl
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AC_REQUIRE([LT_SYS_MODULE_EXT])dnl
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AC_REQUIRE([LT_SYS_MODULE_PATH])dnl
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AC_REQUIRE([LT_SYS_DLSEARCH_PATH])dnl
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AC_REQUIRE([LT_LIB_DLLOAD])dnl
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AC_REQUIRE([LT_SYS_SYMBOL_USCORE])dnl
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parents:
diff changeset
   375
AC_REQUIRE([LT_FUNC_DLSYM_USCORE])dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   376
AC_REQUIRE([LT_SYS_DLOPEN_DEPLIBS])dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   377
AC_REQUIRE([gl_FUNC_ARGZ])dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   378
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   379
m4_require([_LT_CHECK_OBJDIR])dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   380
m4_require([_LT_HEADER_DLFCN])dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   381
m4_require([_LT_CHECK_DLPREOPEN])dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   382
m4_require([_LT_DECL_SED])dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   383
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   384
dnl Don't require this, or it will be expanded earlier than the code
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   385
dnl that sets the variables it relies on:
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   386
_LT_ENABLE_INSTALL
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   387
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   388
dnl _LTDL_MODE specific code must be called at least once:
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   389
_LTDL_MODE_DISPATCH
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   390
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   391
# In order that ltdl.c can compile, find out the first AC_CONFIG_HEADERS
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   392
# the user used.  This is so that ltdl.h can pick up the parent projects
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   393
# config.h file, The first file in AC_CONFIG_HEADERS must contain the
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   394
# definitions required by ltdl.c.
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   395
# FIXME: Remove use of undocumented AC_LIST_HEADERS (2.59 compatibility).
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   396
AC_CONFIG_COMMANDS_PRE([dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   397
m4_pattern_allow([^LT_CONFIG_H$])dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   398
m4_ifset([AH_HEADER],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   399
    [LT_CONFIG_H=AH_HEADER],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   400
    [m4_ifset([AC_LIST_HEADERS],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   401
	    [LT_CONFIG_H=`echo "AC_LIST_HEADERS" | $SED 's,^[[      ]]*,,;s,[[ :]].*$,,'`],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   402
	[])])])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   403
AC_SUBST([LT_CONFIG_H])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   404
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   405
AC_CHECK_HEADERS([unistd.h dl.h sys/dl.h dld.h mach-o/dyld.h dirent.h],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   406
	[], [], [AC_INCLUDES_DEFAULT])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   407
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   408
AC_CHECK_FUNCS([closedir opendir readdir], [], [AC_LIBOBJ([lt__dirent])])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   409
AC_CHECK_FUNCS([strlcat strlcpy], [], [AC_LIBOBJ([lt__strl])])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   410
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   411
AC_DEFINE_UNQUOTED([LT_LIBEXT],["$libext"],[The archive extension])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   412
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   413
name=ltdl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   414
LTDLOPEN=`eval "\\$ECHO \"$libname_spec\""`
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   415
AC_SUBST([LTDLOPEN])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   416
])# _LTDL_SETUP
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   417
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   418
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   419
# _LT_ENABLE_INSTALL
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   420
# ------------------
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   421
m4_define([_LT_ENABLE_INSTALL],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   422
[AC_ARG_ENABLE([ltdl-install],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   423
    [AS_HELP_STRING([--enable-ltdl-install], [install libltdl])])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   424
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   425
case ,${enable_ltdl_install},${enable_ltdl_convenience} in
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   426
  *yes*) ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   427
  *) enable_ltdl_convenience=yes ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   428
esac
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   429
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   430
m4_ifdef([AM_CONDITIONAL],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   431
[AM_CONDITIONAL(INSTALL_LTDL, test x"${enable_ltdl_install-no}" != xno)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   432
 AM_CONDITIONAL(CONVENIENCE_LTDL, test x"${enable_ltdl_convenience-no}" != xno)])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   433
])# _LT_ENABLE_INSTALL
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   434
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   435
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   436
# LT_SYS_DLOPEN_DEPLIBS
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   437
# ---------------------
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   438
AC_DEFUN([LT_SYS_DLOPEN_DEPLIBS],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   439
[AC_REQUIRE([AC_CANONICAL_HOST])dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   440
AC_CACHE_CHECK([whether deplibs are loaded by dlopen],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   441
  [lt_cv_sys_dlopen_deplibs],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   442
  [# PORTME does your system automatically load deplibs for dlopen?
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   443
  # or its logical equivalent (e.g. shl_load for HP-UX < 11)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   444
  # For now, we just catch OSes we know something about -- in the
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   445
  # future, we'll try test this programmatically.
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   446
  lt_cv_sys_dlopen_deplibs=unknown
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   447
  case $host_os in
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   448
  aix3*|aix4.1.*|aix4.2.*)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   449
    # Unknown whether this is true for these versions of AIX, but
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   450
    # we want this `case' here to explicitly catch those versions.
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   451
    lt_cv_sys_dlopen_deplibs=unknown
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   452
    ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   453
  aix[[4-9]]*)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   454
    lt_cv_sys_dlopen_deplibs=yes
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   455
    ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   456
  amigaos*)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   457
    case $host_cpu in
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   458
    powerpc)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   459
      lt_cv_sys_dlopen_deplibs=no
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   460
      ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   461
    esac
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   462
    ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   463
  darwin*)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   464
    # Assuming the user has installed a libdl from somewhere, this is true
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   465
    # If you are looking for one http://www.opendarwin.org/projects/dlcompat
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   466
    lt_cv_sys_dlopen_deplibs=yes
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   467
    ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   468
  freebsd* | dragonfly*)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   469
    lt_cv_sys_dlopen_deplibs=yes
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   470
    ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   471
  gnu* | linux* | k*bsd*-gnu)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   472
    # GNU and its variants, using gnu ld.so (Glibc)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   473
    lt_cv_sys_dlopen_deplibs=yes
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   474
    ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   475
  hpux10*|hpux11*)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   476
    lt_cv_sys_dlopen_deplibs=yes
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   477
    ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   478
  interix*)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   479
    lt_cv_sys_dlopen_deplibs=yes
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   480
    ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   481
  irix[[12345]]*|irix6.[[01]]*)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   482
    # Catch all versions of IRIX before 6.2, and indicate that we don't
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   483
    # know how it worked for any of those versions.
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   484
    lt_cv_sys_dlopen_deplibs=unknown
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   485
    ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   486
  irix*)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   487
    # The case above catches anything before 6.2, and it's known that
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   488
    # at 6.2 and later dlopen does load deplibs.
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   489
    lt_cv_sys_dlopen_deplibs=yes
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   490
    ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   491
  netbsd*)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   492
    lt_cv_sys_dlopen_deplibs=yes
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   493
    ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   494
  openbsd*)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   495
    lt_cv_sys_dlopen_deplibs=yes
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   496
    ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   497
  osf[[1234]]*)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   498
    # dlopen did load deplibs (at least at 4.x), but until the 5.x series,
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   499
    # it did *not* use an RPATH in a shared library to find objects the
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   500
    # library depends on, so we explicitly say `no'.
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   501
    lt_cv_sys_dlopen_deplibs=no
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   502
    ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   503
  osf5.0|osf5.0a|osf5.1)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   504
    # dlopen *does* load deplibs and with the right loader patch applied
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   505
    # it even uses RPATH in a shared library to search for shared objects
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   506
    # that the library depends on, but there's no easy way to know if that
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   507
    # patch is installed.  Since this is the case, all we can really
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   508
    # say is unknown -- it depends on the patch being installed.  If
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   509
    # it is, this changes to `yes'.  Without it, it would be `no'.
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   510
    lt_cv_sys_dlopen_deplibs=unknown
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   511
    ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   512
  osf*)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   513
    # the two cases above should catch all versions of osf <= 5.1.  Read
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   514
    # the comments above for what we know about them.
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   515
    # At > 5.1, deplibs are loaded *and* any RPATH in a shared library
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   516
    # is used to find them so we can finally say `yes'.
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   517
    lt_cv_sys_dlopen_deplibs=yes
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   518
    ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   519
  qnx*)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   520
    lt_cv_sys_dlopen_deplibs=yes
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   521
    ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   522
  solaris*)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   523
    lt_cv_sys_dlopen_deplibs=yes
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   524
    ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   525
  sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   526
    libltdl_cv_sys_dlopen_deplibs=yes
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   527
    ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   528
  esac
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   529
  ])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   530
if test "$lt_cv_sys_dlopen_deplibs" != yes; then
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   531
 AC_DEFINE([LTDL_DLOPEN_DEPLIBS], [1],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   532
    [Define if the OS needs help to load dependent libraries for dlopen().])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   533
fi
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   534
])# LT_SYS_DLOPEN_DEPLIBS
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   535
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   536
# Old name:
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   537
AU_ALIAS([AC_LTDL_SYS_DLOPEN_DEPLIBS], [LT_SYS_DLOPEN_DEPLIBS])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   538
dnl aclocal-1.4 backwards compatibility:
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   539
dnl AC_DEFUN([AC_LTDL_SYS_DLOPEN_DEPLIBS], [])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   540
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   541
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   542
# LT_SYS_MODULE_EXT
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   543
# -----------------
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   544
AC_DEFUN([LT_SYS_MODULE_EXT],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   545
[m4_require([_LT_SYS_DYNAMIC_LINKER])dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   546
AC_CACHE_CHECK([which extension is used for runtime loadable modules],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   547
  [libltdl_cv_shlibext],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   548
[
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   549
module=yes
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   550
eval libltdl_cv_shlibext=$shrext_cmds
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   551
  ])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   552
if test -n "$libltdl_cv_shlibext"; then
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   553
  m4_pattern_allow([LT_MODULE_EXT])dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   554
  AC_DEFINE_UNQUOTED([LT_MODULE_EXT], ["$libltdl_cv_shlibext"],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   555
    [Define to the extension used for runtime loadable modules, say, ".so".])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   556
fi
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   557
])# LT_SYS_MODULE_EXT
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   558
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   559
# Old name:
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   560
AU_ALIAS([AC_LTDL_SHLIBEXT], [LT_SYS_MODULE_EXT])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   561
dnl aclocal-1.4 backwards compatibility:
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   562
dnl AC_DEFUN([AC_LTDL_SHLIBEXT], [])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   563
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   564
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   565
# LT_SYS_MODULE_PATH
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   566
# ------------------
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   567
AC_DEFUN([LT_SYS_MODULE_PATH],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   568
[m4_require([_LT_SYS_DYNAMIC_LINKER])dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   569
AC_CACHE_CHECK([which variable specifies run-time module search path],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   570
  [lt_cv_module_path_var], [lt_cv_module_path_var="$shlibpath_var"])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   571
if test -n "$lt_cv_module_path_var"; then
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   572
  m4_pattern_allow([LT_MODULE_PATH_VAR])dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   573
  AC_DEFINE_UNQUOTED([LT_MODULE_PATH_VAR], ["$lt_cv_module_path_var"],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   574
    [Define to the name of the environment variable that determines the run-time module search path.])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   575
fi
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   576
])# LT_SYS_MODULE_PATH
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   577
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   578
# Old name:
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   579
AU_ALIAS([AC_LTDL_SHLIBPATH], [LT_SYS_MODULE_PATH])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   580
dnl aclocal-1.4 backwards compatibility:
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   581
dnl AC_DEFUN([AC_LTDL_SHLIBPATH], [])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   582
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   583
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   584
# LT_SYS_DLSEARCH_PATH
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   585
# --------------------
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   586
AC_DEFUN([LT_SYS_DLSEARCH_PATH],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   587
[m4_require([_LT_SYS_DYNAMIC_LINKER])dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   588
AC_CACHE_CHECK([for the default library search path],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   589
  [lt_cv_sys_dlsearch_path],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   590
  [lt_cv_sys_dlsearch_path="$sys_lib_dlsearch_path_spec"])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   591
if test -n "$lt_cv_sys_dlsearch_path"; then
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   592
  sys_dlsearch_path=
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   593
  for dir in $lt_cv_sys_dlsearch_path; do
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   594
    if test -z "$sys_dlsearch_path"; then
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   595
      sys_dlsearch_path="$dir"
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   596
    else
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   597
      sys_dlsearch_path="$sys_dlsearch_path$PATH_SEPARATOR$dir"
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   598
    fi
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   599
  done
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   600
  m4_pattern_allow([LT_DLSEARCH_PATH])dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   601
  AC_DEFINE_UNQUOTED([LT_DLSEARCH_PATH], ["$sys_dlsearch_path"],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   602
    [Define to the system default library search path.])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   603
fi
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   604
])# LT_SYS_DLSEARCH_PATH
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   605
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   606
# Old name:
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   607
AU_ALIAS([AC_LTDL_SYSSEARCHPATH], [LT_SYS_DLSEARCH_PATH])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   608
dnl aclocal-1.4 backwards compatibility:
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   609
dnl AC_DEFUN([AC_LTDL_SYSSEARCHPATH], [])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   610
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   611
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   612
# _LT_CHECK_DLPREOPEN
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   613
# -------------------
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   614
m4_defun([_LT_CHECK_DLPREOPEN],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   615
[m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   616
AC_CACHE_CHECK([whether libtool supports -dlopen/-dlpreopen],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   617
  [libltdl_cv_preloaded_symbols],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   618
  [if test -n "$lt_cv_sys_global_symbol_pipe"; then
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   619
    libltdl_cv_preloaded_symbols=yes
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   620
  else
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   621
    libltdl_cv_preloaded_symbols=no
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   622
  fi
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   623
  ])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   624
if test x"$libltdl_cv_preloaded_symbols" = xyes; then
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   625
  AC_DEFINE([HAVE_PRELOADED_SYMBOLS], [1],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   626
    [Define if libtool can extract symbol lists from object files.])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   627
fi
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   628
])# _LT_CHECK_DLPREOPEN
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   629
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   630
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   631
# LT_LIB_DLLOAD
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   632
# -------------
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   633
AC_DEFUN([LT_LIB_DLLOAD],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   634
[m4_pattern_allow([^LT_DLLOADERS$])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   635
LT_DLLOADERS=
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   636
AC_SUBST([LT_DLLOADERS])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   637
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   638
AC_LANG_PUSH([C])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   639
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   640
LIBADD_DLOPEN=
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   641
AC_SEARCH_LIBS([dlopen], [dl],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   642
	[AC_DEFINE([HAVE_LIBDL], [1],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   643
		   [Define if you have the libdl library or equivalent.])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   644
	if test "$ac_cv_search_dlopen" != "none required" ; then
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   645
	  LIBADD_DLOPEN="-ldl"
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   646
	fi
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   647
	libltdl_cv_lib_dl_dlopen="yes"
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   648
	LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}dlopen.la"],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   649
    [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#if HAVE_DLFCN_H
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   650
#  include <dlfcn.h>
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   651
#endif
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   652
    ]], [[dlopen(0, 0);]])],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   653
	    [AC_DEFINE([HAVE_LIBDL], [1],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   654
		       [Define if you have the libdl library or equivalent.])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   655
	    libltdl_cv_func_dlopen="yes"
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   656
	    LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}dlopen.la"],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   657
	[AC_CHECK_LIB([svld], [dlopen],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   658
		[AC_DEFINE([HAVE_LIBDL], [1],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   659
			 [Define if you have the libdl library or equivalent.])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   660
	        LIBADD_DLOPEN="-lsvld" libltdl_cv_func_dlopen="yes"
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   661
		LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}dlopen.la"])])])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   662
if test x"$libltdl_cv_func_dlopen" = xyes || test x"$libltdl_cv_lib_dl_dlopen" = xyes
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   663
then
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   664
  lt_save_LIBS="$LIBS"
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   665
  LIBS="$LIBS $LIBADD_DLOPEN"
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   666
  AC_CHECK_FUNCS([dlerror])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   667
  LIBS="$lt_save_LIBS"
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   668
fi
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   669
AC_SUBST([LIBADD_DLOPEN])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   670
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   671
LIBADD_SHL_LOAD=
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   672
AC_CHECK_FUNC([shl_load],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   673
	[AC_DEFINE([HAVE_SHL_LOAD], [1],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   674
		   [Define if you have the shl_load function.])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   675
	LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}shl_load.la"],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   676
    [AC_CHECK_LIB([dld], [shl_load],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   677
	    [AC_DEFINE([HAVE_SHL_LOAD], [1],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   678
		       [Define if you have the shl_load function.])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   679
	    LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}shl_load.la"
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   680
	    LIBADD_SHL_LOAD="-ldld"])])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   681
AC_SUBST([LIBADD_SHL_LOAD])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   682
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   683
case $host_os in
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   684
darwin[[1567]].*)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   685
# We only want this for pre-Mac OS X 10.4.
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   686
  AC_CHECK_FUNC([_dyld_func_lookup],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   687
	[AC_DEFINE([HAVE_DYLD], [1],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   688
		   [Define if you have the _dyld_func_lookup function.])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   689
	LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}dyld.la"])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   690
  ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   691
beos*)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   692
  LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}load_add_on.la"
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   693
  ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   694
cygwin* | mingw* | os2* | pw32*)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   695
  AC_CHECK_DECLS([cygwin_conv_path], [], [], [[#include <sys/cygwin.h>]])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   696
  LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}loadlibrary.la"
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   697
  ;;
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   698
esac
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   699
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   700
AC_CHECK_LIB([dld], [dld_link],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   701
	[AC_DEFINE([HAVE_DLD], [1],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   702
		   [Define if you have the GNU dld library.])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   703
		LT_DLLOADERS="$LT_DLLOADERS ${lt_dlopen_dir+$lt_dlopen_dir/}dld_link.la"])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   704
AC_SUBST([LIBADD_DLD_LINK])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   705
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   706
m4_pattern_allow([^LT_DLPREOPEN$])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   707
LT_DLPREOPEN=
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   708
if test -n "$LT_DLLOADERS"
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   709
then
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   710
  for lt_loader in $LT_DLLOADERS; do
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   711
    LT_DLPREOPEN="$LT_DLPREOPEN-dlpreopen $lt_loader "
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   712
  done
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   713
  AC_DEFINE([HAVE_LIBDLLOADER], [1],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   714
            [Define if libdlloader will be built on this platform])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   715
fi
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   716
AC_SUBST([LT_DLPREOPEN])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   717
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   718
dnl This isn't used anymore, but set it for backwards compatibility
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   719
LIBADD_DL="$LIBADD_DLOPEN $LIBADD_SHL_LOAD"
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   720
AC_SUBST([LIBADD_DL])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   721
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   722
AC_LANG_POP
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   723
])# LT_LIB_DLLOAD
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   724
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   725
# Old name:
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   726
AU_ALIAS([AC_LTDL_DLLIB], [LT_LIB_DLLOAD])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   727
dnl aclocal-1.4 backwards compatibility:
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   728
dnl AC_DEFUN([AC_LTDL_DLLIB], [])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   729
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   730
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   731
# LT_SYS_SYMBOL_USCORE
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   732
# --------------------
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   733
# does the compiler prefix global symbols with an underscore?
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   734
AC_DEFUN([LT_SYS_SYMBOL_USCORE],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   735
[m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   736
AC_CACHE_CHECK([for _ prefix in compiled symbols],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   737
  [lt_cv_sys_symbol_underscore],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   738
  [lt_cv_sys_symbol_underscore=no
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   739
  cat > conftest.$ac_ext <<_LT_EOF
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   740
void nm_test_func(){}
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   741
int main(){nm_test_func;return 0;}
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   742
_LT_EOF
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   743
  if AC_TRY_EVAL(ac_compile); then
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   744
    # Now try to grab the symbols.
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   745
    ac_nlist=conftest.nm
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   746
    if AC_TRY_EVAL(NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   747
      # See whether the symbols have a leading underscore.
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   748
      if grep '^. _nm_test_func' "$ac_nlist" >/dev/null; then
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   749
        lt_cv_sys_symbol_underscore=yes
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   750
      else
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   751
        if grep '^. nm_test_func ' "$ac_nlist" >/dev/null; then
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   752
	  :
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   753
        else
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   754
	  echo "configure: cannot find nm_test_func in $ac_nlist" >&AS_MESSAGE_LOG_FD
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   755
        fi
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   756
      fi
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   757
    else
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   758
      echo "configure: cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   759
    fi
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   760
  else
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   761
    echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   762
    cat conftest.c >&AS_MESSAGE_LOG_FD
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   763
  fi
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   764
  rm -rf conftest*
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   765
  ])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   766
  sys_symbol_underscore=$lt_cv_sys_symbol_underscore
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   767
  AC_SUBST([sys_symbol_underscore])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   768
])# LT_SYS_SYMBOL_USCORE
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   769
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   770
# Old name:
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   771
AU_ALIAS([AC_LTDL_SYMBOL_USCORE], [LT_SYS_SYMBOL_USCORE])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   772
dnl aclocal-1.4 backwards compatibility:
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   773
dnl AC_DEFUN([AC_LTDL_SYMBOL_USCORE], [])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   774
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   775
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   776
# LT_FUNC_DLSYM_USCORE
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   777
# --------------------
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   778
AC_DEFUN([LT_FUNC_DLSYM_USCORE],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   779
[AC_REQUIRE([LT_SYS_SYMBOL_USCORE])dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   780
if test x"$lt_cv_sys_symbol_underscore" = xyes; then
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   781
  if test x"$libltdl_cv_func_dlopen" = xyes ||
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   782
     test x"$libltdl_cv_lib_dl_dlopen" = xyes ; then
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   783
	AC_CACHE_CHECK([whether we have to add an underscore for dlsym],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   784
	  [libltdl_cv_need_uscore],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   785
	  [libltdl_cv_need_uscore=unknown
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   786
          save_LIBS="$LIBS"
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   787
          LIBS="$LIBS $LIBADD_DLOPEN"
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   788
	  _LT_TRY_DLOPEN_SELF(
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   789
	    [libltdl_cv_need_uscore=no], [libltdl_cv_need_uscore=yes],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   790
	    [],				 [libltdl_cv_need_uscore=cross])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   791
	  LIBS="$save_LIBS"
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   792
	])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   793
  fi
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   794
fi
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   795
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   796
if test x"$libltdl_cv_need_uscore" = xyes; then
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   797
  AC_DEFINE([NEED_USCORE], [1],
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   798
    [Define if dlsym() requires a leading underscore in symbol names.])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   799
fi
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   800
])# LT_FUNC_DLSYM_USCORE
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   801
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   802
# Old name:
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   803
AU_ALIAS([AC_LTDL_DLSYM_USCORE], [LT_FUNC_DLSYM_USCORE])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   804
dnl aclocal-1.4 backwards compatibility:
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   805
dnl AC_DEFUN([AC_LTDL_DLSYM_USCORE], [])
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   806