Make it possible to build a DLL with mingw that's ABI compatible with Visual C++ built applications
--- a/configure Fri Oct 19 21:43:41 2012 -0700
+++ b/configure Sat Oct 20 00:14:58 2012 -0700
@@ -16934,6 +16934,7 @@
SOURCES="$SOURCES $srcdir/src/cpuinfo/*.c"
SOURCES="$SOURCES $srcdir/src/events/*.c"
SOURCES="$SOURCES $srcdir/src/file/*.c"
+SOURCES="$SOURCES $srcdir/src/libm/*.c"
SOURCES="$SOURCES $srcdir/src/render/*.c"
SOURCES="$SOURCES $srcdir/src/render/*/*.c"
SOURCES="$SOURCES $srcdir/src/stdlib/*.c"
--- a/configure.in Fri Oct 19 21:43:41 2012 -0700
+++ b/configure.in Sat Oct 20 00:14:58 2012 -0700
@@ -297,6 +297,7 @@
SOURCES="$SOURCES $srcdir/src/cpuinfo/*.c"
SOURCES="$SOURCES $srcdir/src/events/*.c"
SOURCES="$SOURCES $srcdir/src/file/*.c"
+SOURCES="$SOURCES $srcdir/src/libm/*.c"
SOURCES="$SOURCES $srcdir/src/render/*.c"
SOURCES="$SOURCES $srcdir/src/render/*/*.c"
SOURCES="$SOURCES $srcdir/src/stdlib/*.c"
--- a/include/SDL_config_windows.h Fri Oct 19 21:43:41 2012 -0700
+++ b/include/SDL_config_windows.h Sat Oct 20 00:14:58 2012 -0700
@@ -142,14 +142,21 @@
/* Enable various audio drivers */
#define SDL_AUDIO_DRIVER_DSOUND 1
+#ifndef __GNUC__
#define SDL_AUDIO_DRIVER_XAUDIO2 1
+#endif
#define SDL_AUDIO_DRIVER_WINMM 1
#define SDL_AUDIO_DRIVER_DISK 1
#define SDL_AUDIO_DRIVER_DUMMY 1
/* Enable various input drivers */
#define SDL_JOYSTICK_DINPUT 1
+#ifdef __GNUC__
+/* There isn't a compatible dinput.h for mingw as far as I know */
+#define SDL_HAPTIC_DISABLED 1
+#else
#define SDL_HAPTIC_DINPUT 1
+#endif
/* Enable various shared object loading systems */
#define SDL_LOADSO_WINDOWS 1
--- a/include/SDL_stdinc.h Fri Oct 19 21:43:41 2012 -0700
+++ b/include/SDL_stdinc.h Sat Oct 20 00:14:58 2012 -0700
@@ -340,7 +340,7 @@
/* We can count on memcpy existing on Mac OS X and being well-tuned. */
#if defined(__MACOSX__)
#define SDL_memcpy memcpy
-#elif defined(__GNUC__) && defined(i386)
+#elif defined(__GNUC__) && defined(i386) && !defined(__WIN32__)
#define SDL_memcpy(dst, src, len) \
do { \
int u0, u1, u2; \