Autodetection of endianness.

svn-id: r3412

Makefile

@@ -1,6 +1,6 @@
 CC	= gcc
 CFLAGS	= -g -O2 -Wno-multichar
-DEFINES	= -DUNIX -DSCUMM_BIG_ENDIAN -DSCUMM_NEED_ALIGNMENT
+DEFINES	= -DUNIX
 LDFLAGS = `sdl-config --libs`
 INCLUDES= `sdl-config --cflags`
 CPPFLAGS= $(DEFINES) $(INCLUDES)

scumm.h

@@ -17,8 +17,12 @@
  *
  * Change Log:
  * $Log$
- * Revision 1.1  2001/10/09 14:30:12  strigeus
- * Initial revision
+ * Revision 1.2  2001/10/09 17:38:20  strigeus
+ * Autodetection of endianness.
+ *
+ * Revision 1.1.1.1  2001/10/09 14:30:12  strigeus
+ *
+ * initial revision
  *
  *
  */

scummsys.h

@@ -17,8 +17,12 @@
  *
  * Change Log:
  * $Log$
- * Revision 1.1  2001/10/09 14:30:14  strigeus
- * Initial revision
+ * Revision 1.2  2001/10/09 17:38:20  strigeus
+ * Autodetection of endianness.
+ *
+ * Revision 1.1.1.1  2001/10/09 14:30:14  strigeus
+ *
+ * initial revision
  *
  *
  */
@@ -44,6 +48,19 @@ typedef signed long int32;
 
 #elif defined(UNIX)
 
+/* need this for the SDL_BYTEORDER define */
+
+#include <SDL_byteorder.h>
+
+#if SDL_BYTEORDER == SDL_LIL_ENDIAN
+#define SCUMM_LITTLE_ENDIAN
+#elif SDL_BYTEORDER == SDL_BIG_ENDIAN
+#define SCUMM_BIG_ENDIAN
+#define SCUMM_NEED_ALIGNMENT
+#else
+#error Neither SDL_BIG_ENDIAN nor SDL_LITTLE_ENDIAN is set.
+#endif
+
 #define FORCEINLINE inline
 #define NORETURN 
 #define CDECL 

sdl.cpp

@@ -17,12 +17,18 @@
  *
  * Change Log:
  * $Log$
- * Revision 1.1  2001/10/09 14:30:13  strigeus
- * Initial revision
+ * Revision 1.2  2001/10/09 17:38:20  strigeus
+ * Autodetection of endianness.
+ *
+ * Revision 1.1.1.1  2001/10/09 14:30:13  strigeus
+ *
+ * initial revision
  *
  *
  */
 
+#define NEED_SDL_HEADERS
+
 #include "stdafx.h"
 #include "scumm.h"
 

stdafx.h

@@ -42,7 +42,9 @@
 
 #else
 
+#if defined(NEED_SDL_HEADERS)
 #include <SDL.h>
+#endif
 #include <sys/types.h>
 #include <sys/uio.h>
 #include <unistd.h>
@@ -55,4 +57,4 @@
 
 
 
-#endif
+#endif