# https://gcc.gnu.org/legacy-ml/gcc/2005-12/msg00367.html

--- configure.ac.orig	2006-05-03 19:55:36.000000000 +0545
+++ configure.ac	2022-08-08 19:11:57.000000000 +0545
@@ -230,7 +230,7 @@
 dnl
 case $HostPlatform in
   *-*-darwin*)
-     CFLAGS="$CFLAGS -no-cpp-precomp"
+     CFLAGS="$CFLAGS"
      LDFLAGS="$LDFLAGS -flat_namespace"
      ;;
   # As suggested by James B. White III (Trey) <whitejbiii@ornl.gov> (for

--- configure.orig	2022-08-07 23:58:00.000000000 +0700
+++ configure	2022-09-21 20:22:15.000000000 +0700
@@ -4168,7 +4168,7 @@
 
 case $HostPlatform in
   *-*-darwin*)
-     CFLAGS="$CFLAGS -no-cpp-precomp"
+     CFLAGS="$CFLAGS"
      LDFLAGS="$LDFLAGS -flat_namespace"
      ;;
   # As suggested by James B. White III (Trey) <whitejbiii@ornl.gov> (for
