--- src/auto/configure.orig	2013-08-04 14:01:06.000000000 -0400
+++ src/auto/configure	2013-08-12 19:27:54.000000000 -0400
@@ -4203,7 +4203,7 @@
     MACOSX=yes
     OS_EXTRA_SRC="os_macosx.m os_mac_conv.c";
     OS_EXTRA_OBJ="objects/os_macosx.o objects/os_mac_conv.o"
-        CPPFLAGS="$CPPFLAGS -DMACOS_X_UNIX -no-cpp-precomp"
+        CPPFLAGS="$CPPFLAGS -DMACOS_X_UNIX"
 
                 # On IRIX 5.3, sys/types and inttypes.h are conflicting.
 for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \