Use -freg-struct-return.

diff --git a/Makefile.head b/Makefile.head
index 074249742bf4a0a0ecf55dc5ccc64f563e3cd927..c550d0c9f49ff9db3bb4d0d23b93307882923cdf 100644 (file)
--- a/Makefile.head
+++ b/Makefile.head
@@ -46,8 +46,9 @@ CXXINCS += -I$(TOP)/include/c++ -I$(GENINCLUDES)/c++ \
 WARN += -Wall -Werror
 OPT += -O2
 DEBUG += -g3
+ABI += -freg-struct-return
 
-CXXFLAGS += $(CXXINCS) $(DEFS) $(CXXWARN) $(OPT) $(DEBUG)
+CXXFLAGS += $(CXXINCS) $(DEFS) $(CXXWARN) $(OPT) $(DEBUG) $(ABI)
 BUILDCXXFLAGS += $(BUILDDEFS) $(CXXWARN) $(OPT) $(DEBUG)
 
 .PHONY: all default rerun dep servers clean distclean