diff -r c6ce4c89fcea -r 6952b11b7f46 configure
--- a/configure	Sat Jan 14 13:17:01 2012 -0500
+++ b/configure	Sat Jan 14 13:21:19 2012 -0500
@@ -2025,7 +2025,7 @@
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-ac_config_headers="$ac_config_headers include/SDL_config.h"
+ac_config_headers="$ac_config_headers include/SDL_config_generated.h"
 
 
 cat >>confdefs.h <<\_ACEOF
@@ -15525,12 +15525,17 @@
 
 INCLUDE="-I$srcdir/include"
 if test x$srcdir != x.; then
-    # Remove SDL_config.h from the source directory, since it's the
-    # default one, and we want to include the one that we generate.
-    if test -f $srcdir/include/SDL_config.h; then
-        rm $srcdir/include/SDL_config.h
-    fi
     INCLUDE="-Iinclude $INCLUDE"
+elif test -d .hg; then
+    { { echo "$as_me:$LINENO: error:
+*** When building from Mercurial you should configure and build in a
+    separate directory so you don't clobber SDL_revision.h
+" >&5
+echo "$as_me: error:
+*** When building from Mercurial you should configure and build in a
+    separate directory so you don't clobber SDL_revision.h
+" >&2;}
+   { (exit 1); exit 1; }; }
 fi
 case "$host" in
     *-*-cygwin*)
@@ -15546,7 +15551,7 @@
 # Uncomment the following line if you want to force SDL and applications
 # built with it to be compiled for a particular architecture.
 #AX_GCC_ARCHFLAG([no], [BASE_CFLAGS="$BASE_CFLAGS $ax_cv_gcc_archflag]")
-BUILD_CFLAGS="$CFLAGS $CPPFLAGS"
+BUILD_CFLAGS="$CFLAGS $CPPFLAGS -DGENERATED_CONFIG_H"
 # The default optimization for SDL 1.3 is -O3 (Bug #31)
 if test x$orig_CFLAGS = x; then
     BUILD_CFLAGS=`echo $BUILD_CFLAGS | sed 's/-O2/-O3/'`
@@ -28805,7 +28810,7 @@
 for ac_config_target in $ac_config_targets
 do
   case $ac_config_target in
-    "include/SDL_config.h") CONFIG_HEADERS="$CONFIG_HEADERS include/SDL_config.h" ;;
+    "include/SDL_config_generated.h") CONFIG_HEADERS="$CONFIG_HEADERS include/SDL_config_generated.h" ;;
     "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;;
     "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile:Makefile.in:Makefile.rules" ;;
     "sdl-config") CONFIG_FILES="$CONFIG_FILES sdl-config" ;;