make it possible to put background images in each layer

[supertux.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index d2bad3b..f56ec98 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -11,14 +11,17 @@ dnl ===========================================================================
 
 dnl Process this file with autoconf to produce a configure script.
 AC_PREREQ([2.54])
-AC_INIT(SuperTux, 0.1.1)
+AC_INIT(SuperTux, 0.2-cvs)
 AC_CONFIG_HEADERS(config.h)
 AC_CONFIG_SRCDIR([src/supertux.cpp])
 AC_CANONICAL_TARGET
 AM_INIT_AUTOMAKE
 dnl This is obsolete see automake1.7 // AM_CONFIG_HEADER
 
-SDL_VERSION=1.2.4
+# we don't want the stupid autoconf default -g -O2
+test ".$CXXFLAGS" = "." && CXXFLAGS=" "
+
+CXXFLAGS="$CXXFLAGS -ffast-math"
 
 AC_PROG_CC
 AC_PROG_CXX
@@ -38,8 +41,9 @@ dnl Give advanced users some options to play with
 
 AC_MSG_CHECKING(for gprof mode)
 AC_ARG_ENABLE(gprof,
-              AC_HELP_STRING([--enable-gprof], [enable GNU profiling support]),, enable_gprof="no")
-if test "x${enable_gprof}" != "xno"; then
+              AC_HELP_STRING([--enable-gprof], [enable GNU profiling support]),
+              [enable_gprof=$enableval], [enable_gprof=no])
+if test "$enable_gprof" = "yes"; then
     CXXFLAGS="$CXXFLAGS -pg"
     AC_MSG_RESULT([enabled])
 else
@@ -48,18 +52,22 @@ fi
 
 AC_MSG_CHECKING(for debug mode)
 AC_ARG_ENABLE(debug,
-              AC_HELP_STRING([--enable-debug], [enable debugging mode]),, enable_debug="yes")
-if test "x${enable_debug}" != "xno"; then
-    CXXFLAGS="$CXXFLAGS -Wall -Werror -DDEBUG -O3 -g"
+              AC_HELP_STRING([--enable-debug], [enable debugging mode]),
+              [enable_debug=$enableval], [enable_debug=no])
+if test "$enable_debug" = "yes"; then
+    AC_DEFINE([DEBUG], 1, [define to compile in debug checks])
+    CXXFLAGS="$CXXFLAGS -Wall -Werror -O0 -g3"
     AC_MSG_RESULT([enabled])
 else
+    CXXFLAGS="$CXXFLAGS -O2 -g"
     AC_MSG_RESULT([disabled])
 fi
 
 AC_MSG_CHECKING(wether OpenGL should be used)
 AC_ARG_ENABLE(opengl,
-              AC_HELP_STRING([--disable-opengl], [disable OpenGL support]),, enable_opengl="yes")
-if test "x${enable_opengl}" != "xno"; then
+              AC_HELP_STRING([--disable-opengl], [disable OpenGL support]),
+              [enable_opengl=$enableval], enable_opengl=yes)
+if test "$enable_opengl" = "yes"; then
     AC_MSG_RESULT([yes])
 else
     AC_MSG_RESULT([no])
@@ -69,6 +77,7 @@ AM_GNU_GETTEXT
 
 dnl ===========================================================================
 dnl Check for SDL
+SDL_VERSION=1.2.4
 AM_PATH_SDL($SDL_VERSION,
             :,
            AC_MSG_ERROR([*** SDL version $SDL_VERSION not found!]))
@@ -84,12 +93,12 @@ AC_CHECK_LIB(SDL_mixer, Mix_OpenAudio,,
 AC_CHECK_LIB(SDL_image, IMG_Load,,
        AC_MSG_ERROR([SDL_image library required]))
 
-if test "x${enable_opengl}" != "xno"; then
+if test "$enable_opengl" = "yes"; then
   AX_CHECK_GL
 fi
-if test "x$no_gl" = "xyes" -o "x$enable_opengl" = "xno"; then
+if test "$no_gl" = "yes" -o "$enable_opengl" = "no"; then
   CXXFLAGS="$CXXFLAGS -DNOOPENGL"
-  enable_opengl="no"
+  enable_opengl=no
 else
   CFLAGS="$CFLAGS $GL_CFLAGS"
   CXXFLAGS="$CXXFLAGS $GL_CFLAGS"