rust-cross-canadian: set CARGO_TARGET_<triple>_RUSTFLAGS

Avoid setting sdk-wide RUSTFLAGS as these flags only are valid when
building for target.
This will enable building for different targets with different
RUSTFLAGS.

Signed-off-by: Sean Nyekjaer <sean@geanix.com>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>

diff --git a/meta/recipes-devtools/rust/rust-cross-canadian.inc b/meta/recipes-devtools/rust/rust-cross-canadian.inc
index d569ac59f5256ba435f811d5b70e94884bc7d14b..d25646237c3f722324e03f19cfbf3fcc8fd7253e 100644 (file)
--- a/meta/recipes-devtools/rust/rust-cross-canadian.inc
+++ b/meta/recipes-devtools/rust/rust-cross-canadian.inc
@@ -54,8 +54,10 @@ do_install () {
     mkdir "${ENV_SETUP_DIR}"
     RUST_ENV_SETUP_SH="${ENV_SETUP_DIR}/rust.sh"
 
+    RUST_TARGET_TRIPLE=`echo ${RUST_TARGET_SYS} | tr '[:lower:]' '[:upper:]' | sed 's/-/_/g'`
+
     cat <<- EOF > "${RUST_ENV_SETUP_SH}"
-       export RUSTFLAGS="--sysroot=\$OECORE_TARGET_SYSROOT/usr -C link-arg=--sysroot=\$OECORE_TARGET_SYSROOT"
+       export CARGO_TARGET_${RUST_TARGET_TRIPLE}_RUSTFLAGS="--sysroot=\$OECORE_TARGET_SYSROOT/usr -C link-arg=--sysroot=\$OECORE_TARGET_SYSROOT"
        export RUST_TARGET_PATH="\$OECORE_NATIVE_SYSROOT/usr/lib/${TARGET_SYS}/rustlib"
        EOF