Index: b/Makefile.pre.in
===================================================================
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -141,7 +141,7 @@ CONFINCLUDEPY=	$(CONFINCLUDEDIR)/python$
 SHLIB_SUFFIX=	@SHLIB_SUFFIX@
 EXT_SUFFIX=	@EXT_SUFFIX@
 LDSHARED=	@LDSHARED@ $(PY_LDFLAGS)
-BLDSHARED=	@BLDSHARED@ $(PY_LDFLAGS)
+BLDSHARED=	@BLDSHARED@ $(PY_LDFLAGS) $(PY_CFLAGS)
 LDCXXSHARED=	@LDCXXSHARED@
 DESTSHARED=	$(BINLIBDEST)/lib-dynload
 
@@ -548,7 +548,7 @@ clinic: $(BUILDPYTHON)
 
 # Build the interpreter
 $(BUILDPYTHON):	Programs/python.o $(LIBRARY) $(LDLIBRARY) $(PY3LIBRARY)
-	$(LINKCC) $(PY_LDFLAGS) $(LINKFORSHARED) -o $@ Programs/python.o $(BLDLIBRARY) $(LIBS) $(MODLIBS) $(SYSLIBS) $(LDLAST)
+	$(LINKCC) $(PY_LDFLAGS) $(PY_CFLAGS) $(LINKFORSHARED) -o $@ Programs/python.o $(BLDLIBRARY) $(LIBS) $(MODLIBS) $(SYSLIBS) $(LDLAST)
 
 platform: $(BUILDPYTHON) pybuilddir.txt
 	$(RUNSHARED) $(PYTHON_FOR_BUILD) -c 'import sys ; from sysconfig import get_platform ; print(get_platform()+"-"+sys.version[0:3])' >platform