kbuild: clang: choose GCC_TOOLCHAIN_DIR not on LD

Backported from kernel
commit ad15006cc784 ("kbuild: clang: choose GCC_TOOLCHAIN_DIR not on LD")

Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>

diff --git a/Makefile b/Makefile
index 7e1b36e78b936d9c4b5b7898c95c06f51c302b21..e648f4920cfb01716cacfae44e630c1a6290d821 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -446,7 +446,7 @@ ifeq ($(cc-name),clang)
 ifneq ($(CROSS_COMPILE),)
 CLANG_TARGET   := --target=$(notdir $(CROSS_COMPILE:%-=%))
 LDPPFLAGS      += $(CLANG_TARGET)
-GCC_TOOLCHAIN_DIR := $(dir $(shell which $(LD)))
+GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE)elfedit))
 CLANG_PREFIX   := --prefix=$(GCC_TOOLCHAIN_DIR)
 GCC_TOOLCHAIN  := $(realpath $(GCC_TOOLCHAIN_DIR)/..)
 endif