diff --git a/src/Makefile.housekeeping b/src/Makefile.housekeeping index 3694402b..1e97ee62 100644 --- a/src/Makefile.housekeeping +++ b/src/Makefile.housekeeping @@ -102,6 +102,14 @@ CFLAGS += $(OLDGAS) oldgas : @$(ECHO) $(oldgas) +# Some widespread patched versions of gcc include -fstack-protector by +# default, even when -ffreestanding is specified. We therefore need +# to disable -fstack-protector if the compiler supports it. +# +SP_TEST = $(CC) -fno-stack-protector -x c -E - < /dev/null >/dev/null 2>&1 +SP_FLAGS := $(shell $(SP_TEST) && $(ECHO) '-fno-stack-protector') +CFLAGS += $(SP_FLAGS) + # compiler.h is needed for our linking and debugging system # CFLAGS += -include compiler.h