Index: Makefile.rules
===================================================================
--- Makefile.rules	(revision 261734)
+++ Makefile.rules	(working copy)
@@ -37,6 +37,9 @@
 
 OPTIMIZE?=-O6
 ifneq ($(findstring darwin,$(OSARCH)),)
+  ifeq ($(shell /usr/bin/sw_vers -productVersion | cut -c1-4),10.4)
+    OPTIMIZE+=-fno-inline
+  endif
   ifeq ($(shell /usr/bin/sw_vers -productVersion | cut -c1-4),10.6)
     # Snow Leopard has an issue with this optimization flag on large files (like chan_sip)
     OPTIMIZE+=-fno-inline-functions