Index: Makefile.rules
===================================================================
--- Makefile.rules	(revision 251262)
+++ Makefile.rules	(working copy)
@@ -36,6 +36,12 @@
 endif
 
 OPTIMIZE?=-O6
+ifneq ($(findstring darwin,$(OSARCH)),)
+  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
+  endif
+endif
 
 ifeq ($(findstring DONT_OPTIMIZE,$(MENUSELECT_CFLAGS)),)
     _ASTCFLAGS+=$(OPTIMIZE)