--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -118,7 +118,7 @@
 # Symbols used for using shared libraries
 SO=		@SO@
 LDSHARED=	@LDSHARED@ $(PY_LDFLAGS)
-BLDSHARED=	@BLDSHARED@ $(PY_LDFLAGS)
+BLDSHARED=	@BLDSHARED@ $(PY_LDFLAGS) $(PY_CFLAGS)
 LDCXXSHARED=	@LDCXXSHARED@
 DESTSHARED=	$(BINLIBDEST)/lib-dynload
 
@@ -427,7 +427,7 @@
 
 # Build the interpreter
 $(BUILDPYTHON):	Modules/python.o $(LIBRARY) $(LDLIBRARY) $(PY3LIBRARY)
-	$(LINKCC) $(PY_LDFLAGS) $(LINKFORSHARED) -o $@ Modules/python.o $(BLDLIBRARY) $(LIBS) $(MODLIBS) $(SYSLIBS) $(LDLAST)
+	$(LINKCC) $(PY_LDFLAGS) $(PY_CFLAGS) $(LINKFORSHARED) -o $@ Modules/python.o $(BLDLIBRARY) $(LIBS) $(MODLIBS) $(SYSLIBS) $(LDLAST)
 
 platform: $(BUILDPYTHON)
 	$(RUNSHARED) ./$(BUILDPYTHON) -E -c 'import sys ; from sysconfig import get_platform ; print(get_platform()+"-"+sys.version[0:3])' >platform