[PATCH v2 3/7] kbuild: add ld-name macro
From: samitolvanen@google.com (Sami Tolvanen)
Date: 2017-11-30 23:39:19
Also in:
linux-kbuild, lkml
Subsystem:
kernel build + files below scripts/ (unless maintained elsewhere), the rest · Maintainers:
Nathan Chancellor, Nicolas Schier, Linus Torvalds
GNU gold may require different flags than GNU ld. Add a macro for detecting the linker. Signed-off-by: Sami Tolvanen <samitolvanen@google.com> Reviewed-by: Nick Desaulniers <redacted> --- scripts/Kbuild.include | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index eb2cf2780f6e..899863e4cd05 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include@@ -273,6 +273,10 @@ ld-option = $(call try-run-cached,\ # Important: no spaces around options ar-option = $(call try-run-cached, $(AR) rc$(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 = $(call shell-cached,$(LD) --version | $(srctree)/scripts/ld-version.sh)
--
2.15.0.531.g2ccb3012c9-goog