GNU gold may require different flags than GNU ld. Add a macro for detecting the linker and conditionally add gold specific flags from LDFLAGS_GOLD. Reviewed-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> Signed-off-by: Sami Tolvanen <samitolvanen@xxxxxxxxxx> --- Makefile | 5 +++++ scripts/Kbuild.include | 4 ++++ 2 files changed, 9 insertions(+) diff --git a/Makefile b/Makefile index 763ab35df12a..f976af9525bf 100644 --- a/Makefile +++ b/Makefile @@ -827,6 +827,11 @@ include scripts/Makefile.kasan include scripts/Makefile.extrawarn include scripts/Makefile.ubsan +# Add any flags specific to ld.gold +ifeq ($(ld-name),gold) +LDFLAGS += $(LDFLAGS_GOLD) +endif + # Add any arch overrides and user supplied CPPFLAGS, AFLAGS and CFLAGS as the # last assignments KBUILD_CPPFLAGS += $(ARCH_CPPFLAGS) $(KCPPFLAGS) diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index 9ffd3dda3889..584d6cecd7c0 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -172,6 +172,10 @@ ld-option = $(call try-run,\ # Important: no spaces around options ar-option = $(call try-run, $(AR) rc$(1) "$$TMP",$(1),$(2)) +# ld-name +# Expands to either bfd or gold +ld-name = $(shell $(LD) -v 2>&1 | grep -q "GNU gold" && echo gold || echo bfd) + # ld-version # Note this is mainly for HJ Lu's 3 number binutil versions ld-version = $(shell $(LD) --version | $(srctree)/scripts/ld-version.sh) -- 2.15.0.448.gf294e3d99a-goog -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
