From: Harish Sadineni <harish.sadin...@windriver.com>

YOCTO [#15061]
The rust sdk installs both 'rust.sh' and 'cargo.sh' for lib32 and lib64 in the 
same location.
This causes below error while installing the lib32 & lib64 binaries:

Error: Transaction test error:
  file 
/usr/local/oe-sdk-hardcoded-buildpath/sysroots/x86_64-pokysdk-linux/environment-setup.d/cargo.sh
conflicts between attempted installs of 
rust-cross-canadian-arm-1.67.1-r0.x86_64_nativesdk and
 rust-cross-canadian-aarch64-1.67.1-r0.x86_64_nativesdk
  file 
/usr/local/oe-sdk-hardcoded-buildpath/sysroots/x86_64-pokysdk-linux/environment-setup.d/rust.sh
conflicts between attempted installs of 
rust-cross-canadian-arm-1.67.1-r0.x86_64_nativesdk and
rust-cross-canadian-aarch64-1.67.1-r0.x86_64_nativesdk
ERROR: Task 
(virtual:multilib:lib32:/media/build/poky/meta/recipes-sato/images/core-image-sato.bb:do_populate_sdk)
failed with exit code '1'

The change includes:
- Prepending '${RUST_TARGET_SYS}' to 'rust.sh' to differentiate between target 
systems.
- Moving the non-target-specific environment variables to 'nativesdk-cargo' and 
'nativesdk-rust',
instead of being managed by the cross-canadian recipe.
- Removed the redundant cargo config file from the 'rust-cross-canadian.inc' 
file.

Signed-off-by: Harish Sadineni <harish.sadin...@windriver.com>
---
 meta/recipes-devtools/rust/cargo_1.81.0.bb    | 15 +++++++++++
 .../rust/rust-cross-canadian.inc              | 27 ++-----------------
 meta/recipes-devtools/rust/rust_1.81.0.bb     | 13 +++++++++
 3 files changed, 30 insertions(+), 25 deletions(-)

diff --git a/meta/recipes-devtools/rust/cargo_1.81.0.bb 
b/meta/recipes-devtools/rust/cargo_1.81.0.bb
index 123032cdf7..d05b076d30 100644
--- a/meta/recipes-devtools/rust/cargo_1.81.0.bb
+++ b/meta/recipes-devtools/rust/cargo_1.81.0.bb
@@ -50,8 +50,23 @@ do_install:append:class-nativesdk() {
        # sets to libdir but not base_libdir leading to symbol mismatches 
depending on the
        # host OS. Fully set LD_LIBRARY_PATH to contain both to avoid this.
        create_wrapper ${D}/${bindir}/cargo 
LD_LIBRARY_PATH=${libdir}:${base_libdir}
+
+        ENV_SETUP_DIR=${D}${base_prefix}/environment-setup.d
+        mkdir "${ENV_SETUP_DIR}"
+        CARGO_ENV_SETUP_SH="${ENV_SETUP_DIR}/cargo.sh"
+
+        cat <<- EOF > "${CARGO_ENV_SETUP_SH}"
+       # Keep the below off as long as HTTP/2 is disabled.
+       export CARGO_HTTP_MULTIPLEXING=false
+
+       export 
CARGO_HTTP_CAINFO="\$OECORE_NATIVE_SYSROOT/etc/ssl/certs/ca-certificates.crt"
+       EOF
+
+        chown -R root.root ${D}
 }
 
+FILES:${PN} += "${base_prefix}/environment-setup.d"
+
 # Disabled due to incompatibility with libgit2 0.28.x 
(https://github.com/rust-lang/git2-rs/issues/458, 
https://bugs.gentoo.org/707746#c1)
 # as shipped by Yocto Dunfell.
 # According to 
https://github.com/rust-lang/git2-rs/issues/458#issuecomment-522567539, there 
are no compatibility guarantees between
diff --git a/meta/recipes-devtools/rust/rust-cross-canadian.inc 
b/meta/recipes-devtools/rust/rust-cross-canadian.inc
index c34b839d15..e4457d0539 100644
--- a/meta/recipes-devtools/rust/rust-cross-canadian.inc
+++ b/meta/recipes-devtools/rust/rust-cross-canadian.inc
@@ -54,39 +54,16 @@ do_install () {
 
     ENV_SETUP_DIR=${D}${base_prefix}/environment-setup.d
     mkdir "${ENV_SETUP_DIR}"
-    RUST_ENV_SETUP_SH="${ENV_SETUP_DIR}/rust.sh"
+    RUST_ENV_SETUP_SH="${ENV_SETUP_DIR}/${RUST_TARGET_SYS}_rust.sh"
 
     RUST_TARGET_TRIPLE=`echo ${RUST_TARGET_SYS} | tr '[:lower:]' '[:upper:]' | 
sed 's/-/_/g'`
-    RUST_HOST_TRIPLE=`echo ${RUST_HOST_SYS} | tr '[:lower:]' '[:upper:]' | sed 
's/-/_/g'`
-    SDKLOADER=${@bb.utils.contains('SDK_ARCH', 'x86_64', 
'ld-linux-x86-64.so.2', '', d)}${@bb.utils.contains('SDK_ARCH', 'i686', 
'ld-linux.so.2', '', d)}${@bb.utils.contains('SDK_ARCH', 'aarch64', 
'ld-linux-aarch64.so.1', '', d)}${@bb.utils.contains('SDK_ARCH', 'ppc64le', 
'ld64.so.2', '', d)}${@bb.utils.contains('SDK_ARCH', 'riscv64', 
'ld-linux-riscv64-lp64d.so.1', '', d)}
 
     cat <<- EOF > "${RUST_ENV_SETUP_SH}"
        export 
CARGO_TARGET_${RUST_TARGET_TRIPLE}_RUSTFLAGS="--sysroot=\$OECORE_TARGET_SYSROOT/usr
 -C link-arg=--sysroot=\$OECORE_TARGET_SYSROOT"
-       export 
CARGO_TARGET_${RUST_HOST_TRIPLE}_RUNNER="\$OECORE_NATIVE_SYSROOT/lib/${SDKLOADER}"
-       export 
RUST_TARGET_PATH="\$OECORE_NATIVE_SYSROOT/usr/lib/${TARGET_SYS}/rustlib"
+       export 
RUST_TARGET_PATH="\$RUST_TARGET_PATH:\$OECORE_NATIVE_SYSROOT/usr/lib/${TARGET_SYS}/rustlib"
        EOF
 
     chown -R root.root ${D}
-
-    CARGO_ENV_SETUP_SH="${ENV_SETUP_DIR}/cargo.sh"
-    cat <<- EOF > "${CARGO_ENV_SETUP_SH}"
-       export CARGO_HOME="\$OECORE_TARGET_SYSROOT/home/cargo"
-       mkdir -p "\$CARGO_HOME"
-        # Init the default target once, it might be otherwise user modified.
-       if [ ! -f "\$CARGO_HOME/config" ]; then
-               touch "\$CARGO_HOME/config"
-               echo "[build]" >> "\$CARGO_HOME/config"
-               echo 'target = "'${RUST_TARGET_SYS}'"' >> "\$CARGO_HOME/config"
-               echo '# TARGET_SYS' >> "\$CARGO_HOME/config"
-               echo '[target.'${RUST_TARGET_SYS}']' >> "\$CARGO_HOME/config"
-               echo 'linker = "target-rust-ccld"' >> "\$CARGO_HOME/config"
-    fi
-
-       # Keep the below off as long as HTTP/2 is disabled.
-       export CARGO_HTTP_MULTIPLEXING=false
-
-       export 
CARGO_HTTP_CAINFO="\$OECORE_NATIVE_SYSROOT/etc/ssl/certs/ca-certificates.crt"
-       EOF
 }
 
 FILES:${PN} += "${base_prefix}/environment-setup.d"
diff --git a/meta/recipes-devtools/rust/rust_1.81.0.bb 
b/meta/recipes-devtools/rust/rust_1.81.0.bb
index b583508456..24a0319dbe 100644
--- a/meta/recipes-devtools/rust/rust_1.81.0.bb
+++ b/meta/recipes-devtools/rust/rust_1.81.0.bb
@@ -272,8 +272,21 @@ rust_do_install:class-nativesdk() {
     rm ${D}${libdir}/rustlib/install.log
     rm ${D}${libdir}/rustlib/manifest*
     rm ${D}${libdir}/rustlib/${RUST_HOST_SYS}/lib/libstd*.so
+
+    ENV_SETUP_DIR=${D}${base_prefix}/environment-setup.d
+    mkdir "${ENV_SETUP_DIR}"
+    RUST_ENV_SETUP_SH="${ENV_SETUP_DIR}/rust.sh"
+    RUST_HOST_TRIPLE=`echo ${RUST_HOST_SYS} | tr '[:lower:]' '[:upper:]' | sed 
's/-/_/g'`
+    SDKLOADER=${@bb.utils.contains('SDK_ARCH', 'x86_64', 
'ld-linux-x86-64.so.2', '', d)}${@bb.utils.contains('SDK_ARCH', 'i686', 
'ld-linux.so.2', '', d)}${@bb.utils.contains('SDK_ARCH', 'aarch64', 
'ld-linux-aarch64.so.1', '', d)}${@bb.utils.contains('SDK_ARCH', 'ppc64le', 
'ld64.so.2', '', d)}${@bb.utils.contains('SDK_ARCH', 'riscv64', 
'ld-linux-riscv64-lp64d.so.1', '', d)}
+
+    cat <<- EOF > "${RUST_ENV_SETUP_SH}"
+       export 
CARGO_TARGET_${RUST_HOST_TRIPLE}_RUNNER="\$OECORE_NATIVE_SYSROOT/lib/${SDKLOADER}"
+       EOF
+    chown -R root.root ${D}
 }
 
+FILES:${PN} += "${base_prefix}/environment-setup.d"
+
 EXTRA_TOOLS ?= "cargo-clippy clippy-driver rustfmt"
 rust_do_install:class-target() {
     export PSEUDO_UNLOAD=1
-- 
2.43.0

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