fixed SDL configuration
---

diff --git a/bin/sdl-config b/bin/sdl-config
--- a/bin/sdl-config
+++ b/bin/sdl-config
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-prefix=/usr/local
+prefix=/usr
 exec_prefix=${prefix}
 exec_prefix_set=no
 libdir=${exec_prefix}/lib
@@ -42,7 +42,7 @@
       echo 1.2.14
       ;;
     --cflags)
-      echo -I${prefix}/include/SDL -D_GNU_SOURCE=1 -Dmain=SDL_main
+      echo -I${prefix}/include/SDL -Dmain=SDL_main
       ;;
     --libs)
       echo -L${exec_prefix}/lib  -lmingw32 -lSDLmain -lSDL  -mwindows
diff --git a/include/SDL/SDL_config.h b/include/SDL/SDL_config.h
--- a/include/SDL/SDL_config.h
+++ b/include/SDL/SDL_config.h
@@ -74,7 +74,7 @@
 #define HAVE_STDINT_H 1
 #define HAVE_CTYPE_H 1
 #define HAVE_MATH_H 1
-/* #undef HAVE_ICONV_H */
+#define HAVE_ICONV_H 1
 #define HAVE_SIGNAL_H 1
 /* #undef HAVE_ALTIVEC_H */
 
