From da324d53d420347344236ff64cf5eb9b675d6f86 Mon Sep 17 00:00:00 2001
From: "E. M. Bray" <erik.m.bray@gmail.com>
Date: Tue, 27 Nov 2018 03:21:31 +0100
Subject: [PATCH] closes bpo-34212: Build core extension modules with
 Py_BUILD_CORE_BUILTIN. (GH-8712)

---
 Makefile.pre.in   | 1 +
 Modules/makesetup | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makefile.pre.in b/Makefile.pre.in
index 2c92db23489..17007aef562 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -106,6 +106,7 @@ ARFLAGS=	@ARFLAGS@
 CFLAGSFORSHARED=@CFLAGSFORSHARED@
 # C flags used for building the interpreter object files
 PY_STDMODULE_CFLAGS= $(PY_CFLAGS) $(PY_CFLAGS_NODIST) $(PY_CPPFLAGS) $(CFLAGSFORSHARED)
+PY_BUILTIN_MODULE_CFLAGS= $(PY_STDMODULE_CFLAGS) -DPy_BUILD_CORE_BUILTIN
 PY_CORE_CFLAGS=	$(PY_STDMODULE_CFLAGS) -DPy_BUILD_CORE
 # Strict or non-strict aliasing flags used to compile dtoa.c, see above
 CFLAGS_ALIASING=@CFLAGS_ALIASING@
diff --git a/Modules/makesetup b/Modules/makesetup
index bf5ca3902b5..fefe3fd129e 100755
--- a/Modules/makesetup
+++ b/Modules/makesetup
@@ -233,7 +233,7 @@ sed -e 's/[ 	]*#.*//' -e '/^[ 	]*$/d' |
 			case $doconfig in
 			no)	cc="$cc \$(CCSHARED) \$(PY_CFLAGS) \$(PY_CPPFLAGS)";;
 			*)
-				cc="$cc \$(PY_STDMODULE_CFLAGS)";;
+				cc="$cc \$(PY_BUILTIN_MODULE_CFLAGS)";;
 			esac
 			rule="$obj: $src; $cc $cpps -c $src -o $obj"
 			echo "$rule" >>$rulesf