AC_INIT(configure.in)
AC_PREREQ([2.50])

CPPFLAGS="$CPPFLAGS -I/usr/local/include"

AC_CHECK_HEADERS(zlib.h,, AC_MSG_ERROR(could not find zlib.h))
AC_CHECK_HEADERS(png.h,, AC_MSG_ERROR(could not find png.h))

EXE=
OUTFILE="\$(TOPDIR)/stratagus\$(EXE)"
OE=o
OBJDIR=obj
if test "`uname -a | grep -is cygwin`" -o "`uname -a | grep -is mingw`"; then
    WIN32=1
    EXE=.exe
    OUTFILE="\$(TOPDIR)/stratagus\$(EXE)"
    ARCH=win32
    OBJDIR=winobj
    PLATFORM="-DUSE_WIN32"
elif test "`uname -a | grep -is bsd`"; then
    ARCH=bsd
    PLATFORM="-DBSD"
elif test "`uname -a | grep -is beos`"; then
    ARCH=beos
    PLATFORM="-DUSE_BEOS"
else
    ARCH=linux
fi

dnl --- CHECK FOR GUILE ---
AC_ARG_WITH([guile],
    AC_HELP_STRING([--with-guile], [Enable Guile Support (default: no)]),,
    with_guile="no")

if test "x$with_guile" = "xyes"; then
    dnl AC_DEFINE(USE_GUILE,, [Use Guile instead of SIOD])

    AC_CHECK_LIB(guile, main, 
        [AC_SUBST(GUILE_CFLAGS, "-DUSE_GUILE")
         AC_SUBST(GUILE_LIBS,   "-lguile")],
        [ echo "Guile support not available, fallback to SIOD"
          AC_SUBST(GUILE_CFLAGS, "")
          AC_SUBST(GUILE_LIBS,   "")])
fi
dnl -----------------------

dnl --- NEW_UI ---
AC_ARG_WITH([new-ui],
    AC_HELP_STRING([--with-new-ui], [Enable New User Interface (default: no)]),,
    with_new_ui="no")
NEWUI_CFLAGS=
if test "x$with_new_ui" = "xyes"; then
    NEWUI_CFLAGS="-DNEW_UI"
fi
AC_SUBST(NEWUI_CFLAGS)
dnl -----------------------

dnl --- CHECK FOR WITH SOUND ---
AC_ARG_ENABLE(sound,
    [  --enable-sound	  [Use sound (default: yes)]], SOUND="$with_sound")
SOUND_CFLAGS=
if test "$SOUND" != "no"; then
    SOUND_CFLAGS="-DWITH_SOUND"
fi
AC_SUBST(SOUND_CFLAGS)
dnl ----------------------------

AC_ARG_ENABLE(win32,
    [  --enable-win32	  Force win32, useful for cross-compiling (default: no)])
if test "$enable_win32" = "yes"; then
    WIN32=1
    EXE=.exe
    OUTFILE="\$(TOPDIR)/stratagus\$(EXE)"
    ARCH=win32
    OBJDIR=winobj
    PLATFORM="-DUSE_WIN32"
    PATH="/usr/local/cross/bin:$PATH"
fi
AC_SUBST(EXE)
AC_SUBST(OUTFILE)
AC_SUBST(ARCH)
AC_SUBST(OE)
AC_SUBST(OBJDIR)
AC_SUBST(PLATFORM)

AC_ARG_ENABLE(static,
    [  --enable-static	  Compile a static binary (default: no)])
if test "$enable_static" != "yes"; then
    STATIC_LDFLAGS=
else
    STATIC_LDFLAGS="-static"
fi
AC_SUBST(STATIC_LDFLAGS)

AC_ARG_ENABLE(profile,
    [  --enable-profile	  Enable profiling support, implies --enable-debug (default: no)])
if test "$enable_profile" != "yes"; then
    PROFILE_CFLAGS=""
else
    PROFILE_CFLAGS="-pg"
fi
AC_SUBST(PROFILE_CFLAGS)

AC_ARG_ENABLE(debug,
    [  --enable-debug	  [Enable debug, implies --disable-optimization (default: no)]])
if test "$enable_debug" != "yes" -a "$enable_profile" != "yes"; then
    DEBUG_CFLAGS="-O2 -pipe -fsigned-char -fomit-frame-pointer -fconserve-space -fexpensive-optimizations -ffast-math"
else
    DEBUG_CFLAGS="-g -O1 -fsigned-char -Wall -Werror -DDEBUG"
fi
AC_SUBST(DEBUG_CFLAGS)

dnl AC_ARG_ENABLE(optimization,
dnl    [  --enable-optimization	  [Enable detection of optimization flags (default: no)]])
dnl FIXME: todo

AC_ARG_WITH(client,
    [  --with-client=sdl,x11,svgalib
			  [Select which client (default: sdl)]])
THREAD_LIBS=
if test "$with_client" = "x11"; then
    AC_CHECK_HEADERS(X11/Xlib.h,, AC_MSG_ERROR(could not find X11/Xlib.h))
    VIDEO_CFLAGS="-DUSE_X11"
    VIDEO_LIBS="-lXext -lX11 -L/usr/X11R6/lib -I/usr/X11R6/include"
    if test "$PLATFORM" = "-DBSD"; then
	THREAD_LIBS="-pthread"
    else
	THREAD_LIBS="-lpthread"
    fi
elif test "$with_client" = "svgalib"; then
    VIDEO_CFLAGS="-DUSE_SVGALIB" 
    VIDEO_LIBS="-lvga"
else
    AC_CHECK_HEADERS(SDL/SDL.h,, AC_MSG_ERROR(could not find SDL/SDL.h))
    VIDEO_CFLAGS="-DUSE_SDL -DUSE_SDLA `sdl-config --cflags`"
    if test "$enable_static" != "yes"; then
	VIDEO_LIBS="`sdl-config --libs`"
    else
	VIDEO_LIBS="`sdl-config --static-libs`"
    fi
    if test "$WIN32" = "1"; then
	if test "`uname -a | grep -is cygwin`"; then
	    VIDEO_LIBS="$VIDEO_LIBS -lwsock32 -lws2_32"
	else
	    VIDEO_LIBS="$VIDEO_LIBS -lwsock32 -lws2_32 -lmingwex -lgmon"
	fi
    fi
fi
AC_SUBST(VIDEO_CFLAGS)
AC_SUBST(VIDEO_LIBS)
AC_SUBST(THREAD_LIBS)

dnl --- CHECK FOR BZIP2 --------
AC_ARG_WITH(bzip2,
    [  --with-bzip2		  [Use bzip2 (default: yes)]],, with_bzip2="yes")
if test "$with_bzip2" != "no"; then
    AC_CHECK_LIB(bz2, main, 
        [BZ2_CFLAGS="-DUSE_BZ2LIB"
         BZ2_LIBS="-lbz2"],
        [BZ2_CFLAGS=""
         BZ2_LIBS=""])
else
    BZ2_CFLAGS=""
    BZ2_LIBS=""
fi
AC_SUBST(BZ2_CFLAGS)
AC_SUBST(BZ2_LIBS)
dnl ----------------------------

dnl --- CHECK FOR ZZIPLIB ------
AC_ARG_WITH(zziplib,
    [  --with-zziplib	  [Use zziplib (default: autodetect)]],, with_zziplib="yes")
if test "$ZZIPLIB" != "no"; then
    AC_CHECK_LIB(zziplib, main,
        [ZZIPLIB_CFLAGS="-DUSE_ZZIPLIB"
         ZZIPLIB_LIBS="-lzzip"],
        [ZZIPLIB_CFLAGS=""
         ZZIPLIB_LIBS=""])
else
    ZZIPLIB_CFLAGS=""
    ZZIPLIB_LIBS=""
fi
AC_SUBST(ZZIPLIB_CFLAGS)
AC_SUBST(ZZIPLIB_LIBS)
dnl ----------------------------


dnl --- CHECK FOR OGG VORBIS ---
AC_ARG_WITH(ogg, 
    [  --with-ogg		  [Use ogg (default: autodetect)]], OGG="$with_ogg")
OGG_CFLAGS=
OGG_LIBS=
if test "$OGG" != "no"; then
    OGG="yes"
    AC_CHECK_HEADERS(ogg/ogg.h,, OGG=no)
    AC_CHECK_HEADERS(vorbis/vorbisfile.h,, OGG=no)
    if test "$OGG" != "no"; then
	OGG_CFLAGS="-DUSE_OGG"
	OGG_LIBS="-lvorbisfile -lvorbis -logg"
    fi
fi
AC_SUBST(OGG_CFLAGS)
AC_SUBST(OGG_LIBS)
dnl ----------------------------

dnl --- CHECK FOR MAD LIB ------
AC_ARG_WITH(mad,
    [  --with-mad		  [Use mad mp3 (default: autodetect)]], MAD="$with_mad")
MAD_CFLAGS=
MAD_LIBS=
if test "$MAD" != "no"; then
    AC_CHECK_HEADERS(mad.h, MAD=yes, MAD=no)
    if test "$MAD" != "no"; then
	MAD_CFLAGS="-DUSE_MAD"
	MAD_LIBS="-lmad"
    fi
fi
AC_SUBST(MAD_CFLAGS)
AC_SUBST(MAD_LIBS)
dnl ----------------------------

dnl --- CHECK FOR FLAC LIB -----
AC_ARG_WITH(flac,
    [  --with-flac		  [Use FLAC (default: autodetect)]], FLAC="$with_flac")
FLAC_CFLAGS=
FLAC_LIBS=
if test "$FLAC" != "no"; then
    AC_CHECK_HEADERS(FLAC/all.h, FLAC=yes, FLAC=no)
    if test "$FLAC" != "no"; then
	FLAC_CFLAGS="-DUSE_FLAC"
	FLAC_LIBS="-lFLAC"
    fi
fi
AC_SUBST(FLAC_CFLAGS)
AC_SUBST(FLAC_LIBS)
dnl ----------------------------

dnl --- CHECK FOR CDAUDIO ------
AC_ARG_WITH(cdaudio,
    [  --with-cdaudio=libcda,sdlcd,cdda,no
			  [Enable CD Audio support (default: platform-dependant)]], CDAUDIO="$with_cdaudio")
if test "$CDAUDIO" = "sdl"; then
    CDAUDIO_CFLAGS="`sdl-config --cflags`"
    if test "$enable_static" != "yes"; then
	CDAUDIO_LIBS="`sdl-config --libs`"
    else 
	CDAUDIO_LIBS="`sdl-config --static-libs`"
    fi
elif test "$CDAUDIO" = "no" -o "$PLATFORM" = "-DBSD"; then
    CDAUDIO_CFLAGS=""
    CDAUDIO_LIBS=""
elif test "$CDAUDIO" = "cdda"; then
    CDAUDIO_CFLAGS="-DUSE_CDDA"
    CDAUDIO_LIBS=""
else
    CDAUDIO_CFLAGS="-DUSE_LIBCDA"
    CDAUDIO_LIBS=""
fi
AC_SUBST(CDAUDIO_CFLAGS)
AC_SUBST(CDAUDIO_LIBS)
dnl ----------------------------

if test "$prefix" = "NONE"; then
    PREFIX=/usr/local
else
    PREFIX="$prefix"
fi
AC_SUBST(PREFIX)

if test "$WIN32" = "1"; then
    touch Rules.make
    AC_CONFIG_FILES(Rules.make.WIN32:Rules.make.in)
else
    AC_CONFIG_FILES(Rules.make)
fi
AC_OUTPUT

# EOF #