The json provided in the commit is x86-specific and will not work on
any other target.
Rather, you need to copy over and install the target json already
available in ${RUST_TARGETS_DIR} and generated according to the target
spec.
Alex
On Thu, 8 Dec 2022 at 12:26, Sundeep KOKKONDA
<[email protected]> wrote:
>
> Rust code compilation on qemu failed with with below error.
> error: Error loading target specification: Could not find specification for
> target "x86_64-poky-linux-gnu". Run `rustc --print target-list` for a list of
> built-in targets.
>
> This patch fix the issue by adding the missing json file to the image.
>
> Signed-off-by: Sundeep KOKKONDA <[email protected]>
> ---
> meta/recipes-devtools/rust/files/target.json | 39 ++++++++++++++++++++
> meta/recipes-devtools/rust/rust.inc | 9 +++++
> meta/recipes-devtools/rust/rust_1.65.0.bb | 2 +
> 3 files changed, 50 insertions(+)
> create mode 100644 meta/recipes-devtools/rust/files/target.json
>
> diff --git a/meta/recipes-devtools/rust/files/target.json
> b/meta/recipes-devtools/rust/files/target.json
> new file mode 100644
> index 0000000000..69dbbaa9f9
> --- /dev/null
> +++ b/meta/recipes-devtools/rust/files/target.json
> @@ -0,0 +1,39 @@
> +{
> + "arch": "x86_64",
> + "cpu": "x86-64",
> + "crt-static-respected": true,
> + "data-layout":
> +"e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128",
> + "dynamic-linking": true,
> + "env": "gnu",
> + "executables": true,
> + "has-rpath": true,
> + "linker-is-gnu": true,
> + "llvm-target": "x86_64-unknown-linux-gnu",
> + "max-atomic-width": 64,
> + "os": "linux",
> + "position-independent-executables": true,
> + "pre-link-args": {
> + "gcc": [
> + "-m64"
> + ]
> + },
> + "relro-level": "full",
> + "stack-probes": {
> + "kind": "inline-or-call",
> + "min-llvm-version-for-inline": [
> + 11,
> + 0,
> + 1
> + ]
> + },
> + "supported-sanitizers": [
> + "address",
> + "leak",
> + "memory",
> + "thread"
> + ],
> + "target-family": "unix",
> + "target-pointer-width": "64"
> +}
> +
> diff --git a/meta/recipes-devtools/rust/rust.inc
> b/meta/recipes-devtools/rust/rust.inc
> index 956301023a..75473f967b 100644
> --- a/meta/recipes-devtools/rust/rust.inc
> +++ b/meta/recipes-devtools/rust/rust.inc
> @@ -13,6 +13,10 @@ DEPENDS:append:class-nativesdk = " nativesdk-rust-llvm"
>
> S = "${RUSTSRC}"
>
> +SRC_URI += "\
> + file://target.json \
> +"
> +
> export FORCE_CRATE_HASH="${BB_TASKHASH}"
>
> RUST_ALTERNATE_EXE_PATH ?= "${STAGING_LIBDIR}/llvm-rust/bin/llvm-config"
> @@ -217,3 +221,8 @@ rust_do_install () {
> do_install () {
> rust_do_install
> }
> +
> +FILE_${PN} += " \
> + ${WORKDIR}/target.json \
> +"
> +
> diff --git a/meta/recipes-devtools/rust/rust_1.65.0.bb
> b/meta/recipes-devtools/rust/rust_1.65.0.bb
> index dbf74cec8f..afef72e45c 100644
> --- a/meta/recipes-devtools/rust/rust_1.65.0.bb
> +++ b/meta/recipes-devtools/rust/rust_1.65.0.bb
> @@ -68,6 +68,8 @@ rust_do_install:class-target() {
> chrpath -r "\$ORIGIN/../lib" ${D}${bindir}/$i
> done
>
> + cp ${WORKDIR}/target.json ${D}${libdir}/rustlib/${RUST_TARGET_SYS}
> +
> chown root:root ${D}/ -R
> rm ${D}${libdir}/rustlib/uninstall.sh
> rm ${D}${libdir}/rustlib/install.log
> --
> 2.25.1
>
>
>
>
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