configure.in
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dnl Process this file with autoconf to produce a configure script.
AC_INIT(README)
dnl Setup for automake
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SDL_VERSION=1.2.3
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dnl Detect the canonical host and target build environment
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
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dnl Setup for automake
AM_INIT_AUTOMAKE(SDL_tests, $SDL_VERSION)
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dnl Check for tools
AC_PROG_CC
dnl Check for compiler environment
AC_C_CONST
dnl Figure out which math library to use
case "$target" in
*-*-cygwin* | *-*-mingw32*)
MATHLIB=""
SYS_GL_LIBS="-lopengl32"
;;
*-*-beos*)
MATHLIB=""
SYS_GL_LIBS="-lGL"
;;
*-*-darwin*)
MATHLIB=""
SYS_GL_LIBS=""
;;
*-*-aix*)
if test x$ac_cv_prog_gcc = xyes; then
CFLAGS="-mthreads"
fi
SYS_GL_LIBS=""
;;
*)
MATHLIB="-lm"
AC_PATH_X
AC_PATH_XTRA
if test x$have_x = xyes; then
CFLAGS="$CFLAGS $X_CFLAGS"
SYS_GL_LIBS="$X_LIBS -lGL"
else
SYS_GL_LIBS="-lGL"
fi
;;
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 $SDL_LIBS"
dnl Check for OpenGL
AC_MSG_CHECKING(for OpenGL support)
have_opengl=no
AC_TRY_COMPILE([
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#include "SDL_opengl.h"
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],[
],[
have_opengl=yes
])
AC_MSG_RESULT($have_opengl)
if test x$have_opengl = xyes; then
CFLAGS="$CFLAGS -DHAVE_OPENGL"
GL_LIBS="$SYS_GL_LIBS"
else
GL_LIBS=""
fi
AC_SUBST(GL_LIBS)
# Finally create all the generated files
AC_OUTPUT([Makefile])