On Thu, Feb 27, 2025 at 8:57 AM Gyorgy Sarvari via
lists.openembedded.org <skandigraun=gmail....@lists.openembedded.org>
wrote:
>
> BUILD_CFLAGS doesn't contain information about the recipe sysroot nor about
> the target
> system - and in case these are not specified for bindgen, then it builds
> against
> the build system's headers, using the build system's arch.
>
> Instead of BUILD_CFLAGS pass TOOLCHAIN_OPTIONS, which has the contains the
> sysroot
> already, and pass the target flag.
>
> Fixes the following do_compile error:
>
> | /usr/include/linux/types.h:5:10: fatal error: 'asm/types.h' file not found
> | thread 'main' panicked at
> /yocto/sandbox/build/tmp/work/cortexa72-poky-linux/thin-provisioning-tools/1.1.0/sources-unpack/cargo_home/bitbake/devicemapper-sys-0.3.0/build.rs:24:10:
> | Could not generate dm.h bindings:
> ClangDiagnostic("/usr/include/linux/types.h:5:10: fatal error: 'asm/types.h'
> file not found\n")
>
> Signed-off-by: Gyorgy Sarvari <skandigr...@gmail.com>
> ---
> .../thin-provisioning-tools/thin-provisioning-tools_1.1.0.bb | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git
> a/meta-oe/dynamic-layers/clang-layer/recipes-support/thin-provisioning-tools/thin-provisioning-tools_1.1.0.bb
>
> b/meta-oe/dynamic-layers/clang-layer/recipes-support/thin-provisioning-tools/thin-provisioning-tools_1.1.0.bb
> index bb4b53c28b..1526a33f8d 100644
> ---
> a/meta-oe/dynamic-layers/clang-layer/recipes-support/thin-provisioning-tools/thin-provisioning-tools_1.1.0.bb
> +++
> b/meta-oe/dynamic-layers/clang-layer/recipes-support/thin-provisioning-tools/thin-provisioning-tools_1.1.0.bb
> @@ -21,7 +21,7 @@ inherit pkgconfig
> DEPENDS += "udev libdevmapper libdevmapper-native clang-native"
>
> export LIBCLANG_PATH = "${WORKDIR}/recipe-sysroot-native${libdir}"
> -export BINDGEN_EXTRA_CLANG_ARGS = "${BUILD_CFLAGS}"
> +export BINDGEN_EXTRA_CLANG_ARGS = "${TOOLCHAIN_OPTIONS}
> --target=${TARGET_SYS}"
We need --target too yes, lets use ${HOST_CC_ARCH}${TOOLCHAIN_OPTIONS}
here that should replicate
target cross compiler options
>
> require ${BPN}-crates.inc
> require ${BPN}-git-crates.inc
>
>
>
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