FROMLIST: kbuild: add ld-name macro

GNU gold may require different flags than GNU ld. Add a macro for
detecting the linker.

Bug: 62093296
Bug: 67506682
Change-Id: I777f14bf4fd902de1f8dc73d7ecc3c0403eae5f5
(am from https://patchwork.kernel.org/patch/10085775/)
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>

diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index b2c913479f9af320e39b9a1c44fe11b55cb1e4cf..ae167b7b187b46fb89ca6400f68a62e51ca28aca 100644 (file)
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -204,6 +204,10 @@ 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)