[compiler-rt] build failure for arm64e universal binary for apple

[trcrsired]

-- Build files have been written to: /home/cqwrteur/toolchains_build/toolchainbuildscripts/llvm/.artifacts/llvm/aarch64-apple-darwin24/compiler-rt
[1615/1617] Generating ../darwin/libclang_rt.osx.a
FAILED: [code=1] lib/darwin/libclang_rt.osx.a /home/cqwrteur/toolchains_build/toolchainbuildscripts/llvm/.artifacts/llvm/aarch64-apple-darwin24/compiler-rt/lib/darwin/libclang_rt.osx.a 
cd /home/cqwrteur/toolchains_build/toolchainbuildscripts/llvm/.artifacts/llvm/aarch64-apple-darwin24/compiler-rt/lib/builtins && /home/cqwrteur/softwares/cmake/x86_64-linux-gnu/bin/cmake -E make_directory /home/cqwrteur/toolchains_build/toolchainbuildscripts/llvm/.artifacts/llvm/aarch64-apple-darwin24/compiler-rt/lib/darwin && /home/cqwrteur/toolchains/llvm/x86_64-linux-gnu/llvm/bin/llvm-lipo -output /home/cqwrteur/toolchains_build/toolchainbuildscripts/llvm/.artifacts/llvm/aarch64-apple-darwin24/compiler-rt/lib/darwin/libclang_rt.osx.a -create -arch arm64 /home/cqwrteur/toolchains_build/toolchainbuildscripts/llvm/.artifacts/llvm/aarch64-apple-darwin24/compiler-rt/lib/builtins/libclang_rt.builtins_arm64_osx.a -arch arm64e /home/cqwrteur/toolchains_build/toolchainbuildscripts/llvm/.artifacts/llvm/aarch64-apple-darwin24/compiler-rt/lib/builtins/libclang_rt.builtins_arm64e_osx.a -arch x86_64 /home/cqwrteur/toolchains_build/toolchainbuildscripts/llvm/.artifacts/llvm/aarch64-apple-darwin24/compiler-rt/lib/builtins/libclang_rt.builtins_x86_64_osx.a
llvm-lipo: error: '/home/cqwrteur/toolchains_build/toolchainbuildscripts/llvm/.artifacts/llvm/aarch64-apple-darwin24/compiler-rt/lib/builtins/libclang_rt.builtins_arm64e_osx.a': archive member arm_apple_sme_abi.s.o cputype (16777228) and cpusubtype(2147483650) does not match previous archive members cputype (16777228) and cpusubtype(2) (all members must match) comparetf2.c.o
[1616/1617] Linking C static library lib/builtins/libclang_rt.cc_kext_x86_64_osx.a
ninja: build stopped: subcommand failed.
compiler-rt: Ninja build failed for aarch64-apple-darwin24

why?

[trcrsired]

llvm-lipo: error: '/home/cqwrteur/toolchains_build/toolchainbuildscripts/llvm/.artifacts/llvm/aarch64-apple-darwin24/compiler-rt/lib/builtins/libclang_rt.builtins_arm64e_osx.a': archive member arm_apple_sme_abi.s.o cputype (16777228) and cpusubtype(2147483650) does not match previous archive members cputype (16777228) and cpusubtype(2) (all members must match) comparetf2.c.o

[trcrsired]

@usama54321
This looks like have something to do with your Commit a2ce564. Can you help me to find out what the issue is? thank you.

[trcrsired]

https://github.com/llvm/llvm-project/blob/main/compiler-rt/lib/builtins/CMakeLists.txt#L597

this looks like aarch64_SOURCES enables build for arm64e which it should not

[trcrsired]

@aemerson
cb5d866

[usama54321]

I will take a look and put up a fix

[usama54321]

Can you share repro steps? I was not able to reproduce with

xcrun  cmake -G "Ninja"  \
    -DCMAKE_MAKE_PROGRAM="$(xcrun -f ninja)" \
    -DCMAKE_BUILD_TYPE=RelWithDebInfo \
    -DLLVM_TARGETS_TO_BUILD="AArch64;X86;ARM" \
    -DLLVM_ENABLE_PROJECTS="clang" \
    -DLLVM_ENABLE_ASSERTIONS=ON \
    -DCMAKE_CXX_COMPILER=$(xcrun --find clang++) \
    -DCMAKE_C_COMPILER=$(xcrun --find clang) \
    -DLLVM_ENABLE_RUNTIMES="compiler-rt" \
    ../llvm/
xcrun ninja clang compiler-rt

[usama54321]

./runtimes/builtins-bins/libclang_rt.builtins_arm64e_osx.a(arm_apple_sme_abi.s.o):
Mach header
      magic  cputype cpusubtype  caps    filetype ncmds sizeofcmds      flags
 0xfeedfacf 16777228          2  0x80           1     5        784 0x00002000

[trcrsired]

https://github.com/trcrsired/toolchainbuildscripts/blob/main/llvm/build_common.sh#L148

here. change it to "arm64;arm64e;x86_64"

TRIPLET=aarch64-apple-darwin24 ./build_common.sh