On Thu, Feb 27, 2025 at 4:04 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.
>
> Specify these attributes in BINDGEN_EXTRA_CLANG_ARGS to use the correct
> headers.
>
> 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")
Good catch I forgot about target vs build here once we point it to target
sysroot we should not need build flags perhaps passing TOOLCHAIN_OPTIONS
would suffice
>
>
> 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..72543e60f4 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 = "${BUILD_CFLAGS}"
> +export BINDGEN_EXTRA_CLANG_ARGS = "${BUILD_CFLAGS}
> --sysroot=${RECIPE_SYSROOT} --target=${TARGET_SYS}"
>
> require ${BPN}-crates.inc
> require ${BPN}-git-crates.inc
>
>
>
>
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