Please describe the problem:
On Mac OS X (Leopard) G_INLINE_FUNC is defined as extern inline. This is the cause of symbol duplication with an error message like:
ld: duplicate symbol _g_bit_nth_lsf in jpilot-sync.o and category.o

g_bit_nth_lsf is defined as:
#if defined (G_CAN_INLINE) || defined (__G_UTILS_C__)
G_INLINE_FUNC gint
g_bit_nth_lsf (gulong mask,
           gint   nth_bit)
{
[...]

G_INLINE_FUNC is defined as:
#ifdef G_IMPLEMENT_INLINES
#  define G_INLINE_FUNC
#  undef  G_CAN_INLINE
#elif defined (__GNUC__) 
#  define G_INLINE_FUNC extern inline
#elif defined (G_CAN_INLINE) 
#  define G_INLINE_FUNC static inline
#else /* can't inline */
#  define G_INLINE_FUNC
#endif /* !G_INLINE_FUNC */

Even if Mac OS X uses GCC as the compiler the linker is _not_ GNU ld.
$ ld -v
@(#)PROGRAM:ld  PROJECT:ld64-77


Steps to reproduce:



Actual results:


Expected results:


Does this happen every time?


Other information:
I propose the patch:
Index: glib/glib/gutils.h
===================================================================
--- glib/glib/gutils.h  (revision 5798)
+++ glib/glib/gutils.h  (working copy)
@@ -96,10 +96,10 @@ G_BEGIN_DECLS
 #ifdef G_IMPLEMENT_INLINES
 #  define G_INLINE_FUNC
 #  undef  G_CAN_INLINE
-#elif defined (__GNUC__) 
-#  define G_INLINE_FUNC extern inline
 #elif defined (G_CAN_INLINE) 
 #  define G_INLINE_FUNC static inline
+#elif defined (__GNUC__) 
+#  define G_INLINE_FUNC extern inline
 #else /* can't inline */
 #  define G_INLINE_FUNC
 #endif /* !G_INLINE_FUNC */


Maybe adding a #ifdef __APPLE__ would be a better idea.