diff options
| -rw-r--r-- | arch/x86/Makefile | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/x86/Makefile b/arch/x86/Makefile index ce3658dd98e8..c5290aecdf06 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -241,9 +241,6 @@ KBUILD_CFLAGS += -fno-asynchronous-unwind-tables # Avoid indirect branches in kernel to deal with Spectre ifdef CONFIG_RETPOLINE -ifeq ($(RETPOLINE_CFLAGS),) - $(error You are building kernel with non-retpoline compiler, please update your compiler.) -endif KBUILD_CFLAGS += $(RETPOLINE_CFLAGS) endif @@ -260,6 +257,13 @@ archprepare: ifeq ($(CONFIG_KEXEC_FILE),y) $(Q)$(MAKE) $(build)=arch/x86/purgatory arch/x86/purgatory/kexec-purgatory.c endif +ifdef CONFIG_RETPOLINE +ifeq ($(RETPOLINE_CFLAGS),) + @echo "You are building kernel with non-retpoline compiler." >&2 + @echo "Please update your compiler." >&2 + @false +endif +endif ### # Kernel objects |