Fix build on OS X PowerPC platforms

git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1396 632fc199-4ca6-4c93-a231-07263d6284db

ChangeLog.txt

@@ -1,3 +1,10 @@
+1.4.0
+=====
+
+[1] Fixed a build issue on OS X PowerPC platforms (md5cmp failed to build
+because OS X does not provide the le32toh() and htole32() functions.)
+
+
 1.3.90 (1.4 beta1)
 ==================
 

md5/md5.c

@@ -38,6 +38,15 @@ static void MD5Transform(unsigned int [4], const unsigned char [64]);
 #define Decode memcpy
 #else 
 
+/*
+ * OS X doesn't have le32toh() or htole32()
+ */
+#ifdef __APPLE__
+#include <libkern/OSByteOrder.h>
+#define le32toh(x) OSSwapLittleToHostInt32(x)
+#define htole32(x) OSSwapHostToLittleInt32(x)
+#endif
+
 /*
  * Encodes input (unsigned int) into output (unsigned char). Assumes len is
  * a multiple of 4.