Include inttypes.h if available but stdint.h is not.

Add powerpc success.

eo/doc/mainpage.html

@@ -76,6 +76,7 @@
             <ul>
               <li>Linux-x86 with GCC 3.x and 4.x</li>
               <li>Linux-x86_64 with GCC 3.x</li>
+              <li>Darwin-powerpc (Macintosh) with GCC 3.3</li>
               <li>CygWin (Windows XP) with GCC 3.3.1 (cygming special).
               <li>Win95/NT with VC++ 5.0 and Borland Builder. Makefiles and
                 projects files are provided.</li>

eo/src/utils/eoRNG.h

@@ -31,7 +31,14 @@
 #ifndef EO_RANDOM_NUMBER_GENERATOR
 #define EO_RANDOM_NUMBER_GENERATOR
 
+#ifdef HAVE_STDINT_H
 #include <stdint.h>
+#else
+#ifdef HAVE_INTTYPES_H
+#include <inttypes.h>
+#else
+#error Nedd header to define uint32_t. Please contact the EO mailing list.
+#endif
 #include <vector>
 #include "eoPersistent.h"
 #include "eoObject.h"