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authorKees Cook <kees@kernel.org>2025-03-07 20:29:25 -0800
committerKees Cook <kees@kernel.org>2025-03-08 09:16:41 -0800
commit16cb16e0d28501f6eef7071675f1ffbceea8dd0d (patch)
tree3a068ddc61f688a6daf6c5461a0ee245ffe8c9b2
parentubsan/overflow: Enable ignorelist parsing and add type filter (diff)
downloadwireguard-linux-16cb16e0d28501f6eef7071675f1ffbceea8dd0d.tar.xz
wireguard-linux-16cb16e0d28501f6eef7071675f1ffbceea8dd0d.zip
x86/build: Remove -ffreestanding on i386 with GCC
The use of -ffreestanding is a leftover that is only needed for certain versions of Clang. Adjust this to be Clang-only. A later patch will make this a versioned check. Acked-by: Ingo Molnar <mingo@kernel.org> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Link: https://lore.kernel.org/r/20250308042929.1753543-1-kees@kernel.org Signed-off-by: Kees Cook <kees@kernel.org>
-rw-r--r--arch/x86/Makefile4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 5b773b34768d..4c136bcaff86 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -137,8 +137,10 @@ ifeq ($(CONFIG_X86_32),y)
include $(srctree)/arch/x86/Makefile_32.cpu
KBUILD_CFLAGS += $(cflags-y)
- # temporary until string.h is fixed
+ ifeq ($(CONFIG_CC_IS_CLANG),y)
+ # https://github.com/llvm/llvm-project/issues/53645
KBUILD_CFLAGS += -ffreestanding
+ endif
ifeq ($(CONFIG_STACKPROTECTOR),y)
ifeq ($(CONFIG_SMP),y)