dnl Process this file with autoconf to produce a configure script.

AC_INIT(README)

dnl Detect the canonical host and target build environment

AC_CANONICAL_SYSTEM

dnl Check for tools

AC_PROG_CC

dnl Check for compiler environment

AC_C_CONST

dnl Figure out which math library to use

case "$target" in

    *-*-cygwin* | *-*-mingw32*)

        MATHLIB=""

        SYS_GL_LIBS="-lopengl32"

        ;;

    *-*-beos*)

        MATHLIB=""

        SYS_GL_LIBS="-lGL"

        ;;

    *-*-darwin* )

        MATHLIB=""

        SYS_GL_LIBS=""

        ;;

    *-*-aix*)

        if test x$ac_cv_prog_gcc = xyes; then

            CFLAGS="-mthreads"

        fi

        SYS_GL_LIBS=""

        ;;

    *-*-mint*)

        MATHLIB=""

        AC_PATH_PROG(OSMESA_CONFIG, osmesa-config, no)

        if test "x$OSMESA_CONFIG" = "xyes"; then

            OSMESA_CFLAGS=`$OSMESA_CONFIG --cflags`

            OSMESA_LIBS=`$OSMESA_CONFIG --libs`

            CFLAGS="$CFLAGS $OSMESA_CFLAGS"

            SYS_GL_LIBS="$OSMESA_LIBS"

        else

            SYS_GL_LIBS="-lOSMesa"

        fi

		;;

    *)

        MATHLIB="-lm"

        ;;

esac

AC_SUBST(MATHLIB)

dnl Check for SDL

AM_PATH_SDL($SDL_VERSION,

            :,

	    AC_MSG_ERROR([*** SDL version $SDL_VERSION not found!])

)

CFLAGS="$CFLAGS $SDL_CFLAGS"

LIBS="$LIBS $SDL_LIBS"

dnl Check for OpenGL

AC_MSG_CHECKING(for OpenGL support)

have_opengl=no

AC_TRY_COMPILE([

 #include "SDL_opengl.h"

],[

],[

have_opengl=yes

])

AC_MSG_RESULT($have_opengl)

if test x$have_opengl = xyes; then

    CFLAGS="$CFLAGS -DHAVE_OPENGL"

else

fi

AC_OUTPUT([Makefile])