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classes/toolchain/clang: Add placeholder for dynamic linker in cross-canadian packages

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clang-cross-canadian is just symlinking into nativesdk-clang unlike gcc which
has separate binaries and they have inbuilt dynamic linker specs. To help clang
built cross-canadian binaries add it via cmdline option here, cross-canadian
binaries are only usable on installed SDKs, and these paths get re-written with
correct SDK specific linker during SDK install relocation process.

This helps clang built cross-canadian tools e.g. from binutils-cross-canadian
be relocated correctly on SDK install.

(From OE-Core rev: d259796efd6c405dd47fabccdbce761cb29fc354)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Khem Raj 2025-10-27 16:39:28 -07:00 committed by Richard Purdie
parent c6fd6ec364
commit 79499fde42
1 changed files with 1 additions and 0 deletions
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meta/classes/toolchain/clang.bbclass
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@ -32,6 +32,7 @@ TUNE_CCARGS += "${@bb.utils.contains("DISTRO_FEATURES", "usrmerge", " --dyld-pre
LDFLAGS:append:class-nativesdk:x86-64 = " -Wl,-dynamic-linker,${base_libdir}/ld-linux-x86-64.so.2"
LDFLAGS:append:class-nativesdk:aarch64 = " -Wl,-dynamic-linker,${base_libdir}/ld-linux-aarch64.so.1"
LDFLAGS:append:class-cross-canadian = " -Wl,-dynamic-linker,${base_libdir}/placeholder/to/be/rewritten/by/sdk/installer"
# do_populate_sysroot needs STRIP, do_package_qa needs OBJDUMP
POPULATESYSROOTDEPS:append:class-target = " llvm-native:do_populate_sysroot"