glx fixes for XDarwin

GL/Makefile.am

@@ -1,16 +1,16 @@
-SUBDIRS = glx mesa
-
 # someone could get really crazy someday and add support for the SI...
 
 # xwin/darwin/xfree86 have their accel support under the DDX
 
-APPLE_EXTRAS = \
-	apple/aglGlx.c \
-	apple/indirect.c
+if BUILD_DARWIN
+DARWIN_SUBDIRS = apple
+endif
+SUBDIRS = glx mesa $(DARWIN_SUBDIRS)
+
 WINDOWS_EXTRAS = \
 	windows/ChangeLog \
 	windows/glwindows.h \
 	windows/glwrap.c \
 	windows/indirect.c
 
-EXTRA_DIST = symlink-mesa.sh $(APPLE_EXTRAS) $(WINDOWS_EXTRAS)
+EXTRA_DIST = symlink-mesa.sh $(WINDOWS_EXTRAS)

GL/apple/Makefile.am

@@ -0,0 +1,15 @@
+AM_CFLAGS = -I$(top_srcdir) \
+	 -I$(top_srcdir)/hw/darwin/quartz \
+	 -I$(top_srcdir)/GL/glx \
+	 -I$(top_srcdir)/hw/darwin/quartz/cr \
+	 -I$(top_srcdir)/GL/include
+
+if HAVE_AGL_FRAMEWORK
+noinst_LIBRARIES = libAGLcore.a 
+libAGLcore_a_SOURCES = aglGlx.c \
+		       $(top_srcdir)/hw/darwin/quartz/xpr/x-list.c \
+		       $(top_srcdir)/hw/darwin/quartz/xpr/x-list.h \
+		       $(top_srcdir)/hw/darwin/quartz/xpr/x-hash.c \
+		       $(top_srcdir)/hw/darwin/quartz/xpr/x-hash.h \
+		       $(top_srcdir)/hw/dmx/glxProxy/compsize.c
+endif

GL/glx/glxbyteorder.h

@@ -39,6 +39,11 @@
 #include <byteswap.h>
 #elif defined(USE_SYS_ENDIAN_H)
 #include <sys/endian.h>
+#elif defined(__APPLE__)
+#include <libkern/OSByteOrder.h>
+#define bswap_16 OSSwapInt16
+#define bswap_32 OSSwapInt32
+#define bswap_64 OSSwapInt64
 #else
 #define	bswap_16(value)  \
  	((((value) & 0xff) << 8) | ((value) >> 8))