rust: install llvm item only once

Otherwise it triggers a rebuild of llvm-dependent rust pieces every time rust_runx is called,
lengthening the builds without need.

(From OE-Core rev: aca6b29b508175da9f213b1c6dba5d02a15b8287)

Signed-off-by: Alexander Kanavin <alex@linutronix.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/meta/recipes-devtools/rust/rust_1.67.1.bb b/meta/recipes-devtools/rust/rust_1.67.1.bb
index eecb05ae02..83f9bec68a 100644
--- a/meta/recipes-devtools/rust/rust_1.67.1.bb
+++ b/meta/recipes-devtools/rust/rust_1.67.1.bb
@@ -200,7 +200,7 @@ rust_runx () {
 
     # Copy the natively built llvm-config into the target so we can run it. Horrible,
     # but works!
-    if [ ${RUST_ALTERNATE_EXE_PATH_NATIVE} != ${RUST_ALTERNATE_EXE_PATH} ]; then
+    if [ ${RUST_ALTERNATE_EXE_PATH_NATIVE} != ${RUST_ALTERNATE_EXE_PATH} -a ! -f ${RUST_ALTERNATE_EXE_PATH} ]; then
         mkdir -p `dirname ${RUST_ALTERNATE_EXE_PATH}`
         cp ${RUST_ALTERNATE_EXE_PATH_NATIVE} ${RUST_ALTERNATE_EXE_PATH}
         chrpath -d ${RUST_ALTERNATE_EXE_PATH}