llvm-config: Set YOCTO_ALTERNATE_LIBDIR and YOCTO_ALTERNATE_EXE_PATH

If they are set by recipe in env, respect that

Signed-off-by: Khem Raj <raj.khem@gmail.com>
(cherry picked from commit 3f7efaef4ba5b312737eeaa8c73ce84dd5271d08)

1 files changed, 2 insertions, 3 deletions

diff --git a/recipes-devtools/clang/clang/llvm-config b/recipes-devtools/clang/clang/llvm-config
index a139514..7788bd5 100644
--- a/recipes-devtools/clang/clang/llvm-config
+++ b/recipes-devtools/clang/clang/llvm-config
@@ -5,11 +5,10 @@
 # is needed because arguments like --ldflags, --cxxflags, etc. are set by the
 # native compile rather than the target compile.
 #
-
 SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
 NEXT_LLVM_CONFIG="$(which -a llvm-config | sed -n 2p)"
-export YOCTO_ALTERNATE_EXE_PATH="$(readlink -f "$SCRIPT_DIR/../llvm-config")"
-
+export YOCTO_ALTERNATE_EXE_PATH="${YOCTO_ALTERNATE_EXE_PATH:="$(readlink -f "$SCRIPT_DIR/../llvm-config")"}"
+export YOCTO_ALTERNATE_LIBDIR="${YOCTO_ALTERNATE_LIBDIR:="/lib"}"
 if [[ $# == 0 ]]; then
   exec "$NEXT_LLVM_CONFIG"
 fi