kbuild: add ld-name macro

[wight554: stripped from kdrag0n/proton_bluecross@aba5259]
Signed-off-by: Volodymyr Zhdanov <wight554@gmail.com>

diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 374d546..0c3bead 100644 (file)
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -172,6 +172,10 @@ ld-option = $(call try-run, $(LD) $(LDFLAGS) $(1) -v,$(1),$(2))
 # Important: no spaces around options
 ar-option = $(call try-run, $(AR) rc$(1) "$$TMP",$(1),$(2))
 
+# ld-name
+# Expands to either bfd or lld
+ld-name = $(shell $(LD) -v 2>&1 | grep -q "LLD" && echo lld || 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)