configure.in
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dnl Process this file with autoconf to produce a configure script.
AC_INIT(README)
dnl Detect the canonical host and target build environment
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AC_CONFIG_AUX_DIRS($srcdir/../build-scripts)
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AC_CANONICAL_SYSTEM
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dnl Check for tools
AC_PROG_CC
dnl Check for compiler environment
AC_C_CONST
dnl Figure out which math library to use
case "$target" in
*-*-cygwin* | *-*-mingw32*)
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EXE=".exe"
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MATHLIB=""
SYS_GL_LIBS="-lopengl32"
;;
*-*-beos*)
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MATHLIB=""
SYS_GL_LIBS="-lGL"
;;
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MATHLIB=""
SYS_GL_LIBS=""
;;
*-*-aix*)
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if test x$ac_cv_prog_gcc = xyes; then
CFLAGS="-mthreads"
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SYS_GL_LIBS=""
;;
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MATHLIB=""
AC_PATH_PROG(OSMESA_CONFIG, osmesa-config, no)
if test "x$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
;;
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*)
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MATHLIB="-lm"
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SYS_GL_LIBS="-lGL"
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;;
esac
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AC_SUBST(EXE)
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AC_SUBST(MATHLIB)
dnl Check for SDL
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SDL_VERSION=1.2.10
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AM_PATH_SDL($SDL_VERSION,
:,
AC_MSG_ERROR([*** SDL version $SDL_VERSION not found!])
)
CFLAGS="$CFLAGS $SDL_CFLAGS"
LIBS="$LIBS $SDL_LIBS"
dnl Check for OpenGL
AC_MSG_CHECKING(for OpenGL support)
have_opengl=no
AC_TRY_COMPILE([
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#include "SDL_opengl.h"
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],[
],[
have_opengl=yes
])
AC_MSG_RESULT($have_opengl)
if test x$have_opengl = xyes; then
CFLAGS="$CFLAGS -DHAVE_OPENGL"
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GLLIB="$SYS_GL_LIBS"
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else
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GLLIB=""
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fi
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AC_SUBST(GLLIB)
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dnl Finally create all the generated files
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AC_OUTPUT([Makefile])