dnl ===========================================================================
dnl    "configure.in"
dnl
dnl author: Duong-Khang NGUYEN
dnl         neoneurone@users.sf.net
dnl ===========================================================================

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

AC_INIT(src/supertux.c)

dnl Setup for automake
SDL_VERSION=1.2.5
AM_INIT_AUTOMAKE(SuperTux, "0.0.6 cvs")

CC=gcc
AC_SUBST(CC)

dnl Checks for programs.

dnl ===========================================================================
dnl Give advanced users some options to play with

AC_ARG_ENABLE(gprof,
              [  --enable-gprof          enable GNU profiling support],)
if test "x${enable_gprof}" = "xyes"; then
        enable_gprof="-pg"
else
        unset enable_gprof
fi

AC_ARG_ENABLE(debug,
              [  --enable-debug          enable debugging mode],)
if test "x${enable_debug}" = "xyes"; then
        enable_debug="-DDEBUG"
else
        unset enable_debug
fi

dnl ===========================================================================
dnl Check for SDL
AM_PATH_SDL($SDL_VERSION,
            :,
	    AC_MSG_ERROR([*** SDL version $SDL_VERSION not found!])
)

dnl ===========================================================================
dnl Define the necessary FLAGS
LDFLAGS="-L/usr/X11R6/lib"

dnl Checks for libraries.
AC_CHECK_LIB(SDL_mixer, SDL_OpenAudio, ,AC_MSG_ERROR(SDL_mixer library required))
AC_CHECK_LIB(SDL_image, IMG_Load, ,AC_MSG_ERROR(SDL_image library required))
AC_CHECK_LIB(GL, glBegin, ,AC_MSG_ERROR(GL library required))

CFLAGS="-DDATA_PREFIX=\\\"$PWD/data\\\" -DLINUX ${enable_debug} ${enable_gprof}"
CFLAGS="$CFLAGS $SDL_CFLAGS"
LDFLAGS="$LDFLAGS $SDL_LIBS"
dnl AC_SUBST(CFLAGS)
dnl AC_SUBST(LDFLAGS)

dnl Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_CHECK_HEADERS(unistd.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST

dnl Checks for library functions.
AC_CHECK_FUNCS(mkdir strdup strstr)

AC_OUTPUT(src/Makefile Makefile)