[libcxx-commits] [clang] [libcxx] [llvm] runtimes: Pass CMAKE_SYSTEM_NAME based on target triple (PR #203504)

Mon Jun 22 08:00:14 PDT 2026

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `openmp-offload-amdgpu-runtime-2` running on `rocm-worker-hw-02` while building `clang,cmake,llvm,runtimes` at step 3 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/10/builds/30489

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 3 (annotate) failure: 'python ../llvm.src/offload/ci/openmp-offload-amdgpu-libc-runtime.py ...' (failure)
...

  failed with:

   ninja: error: build.ninja:147837: multiple rules generate /home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/lib/amdgcn-amd-amdhsa/libc++abi.a [-w dupbuild=err]

CMake Generate step failed.  Build files cannot be regenerated correctly.
FAILED: runtimes/runtimes-amdgcn-amd-amdhsa-stamps/runtimes-amdgcn-amd-amdhsa-configure /home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/runtimes/runtimes-amdgcn-amd-amdhsa-stamps/runtimes-amdgcn-amd-amdhsa-configure 
cd /home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/runtimes/runtimes-amdgcn-amd-amdhsa-bins && /usr/bin/cmake --no-warn-unused-cli -DCMAKE_C_COMPILER=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/clang -DCMAKE_CXX_COMPILER=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/clang++ -DCMAKE_ASM_COMPILER=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/clang -DCMAKE_LINKER=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/ld.lld -DCMAKE_AR=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/llvm-ar -DCMAKE_RANLIB=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/llvm-ranlib -DCMAKE_NM=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/llvm-nm -DCMAKE_OBJDUMP=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/llvm-objdump -DCMAKE_OBJCOPY=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/llvm-objcopy -DCMAKE_STRIP=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/llvm-strip -DCMAKE_READELF=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/llvm-readelf -DCMAKE_C_COMPILER_TARGET=amdgcn-amd-amdhsa -DCMAKE_CXX_COMPILER_TARGET=amdgcn-amd-amdhsa -DCMAKE_Fortran_COMPILER_TARGET=amdgcn-amd-amdhsa -DCMAKE_ASM_COMPILER_TARGET=amdgcn-amd-amdhsa -DCMAKE_SYSTEM_NAME=Generic -DCMAKE_INSTALL_PREFIX=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.inst -DLLVM_BINARY_DIR=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build -DLLVM_CONFIG_PATH=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/bin/llvm-config -DLLVM_ENABLE_WERROR=OFF -DLLVM_HOST_TRIPLE=x86_64-unknown-linux-gnu -DLLVM_HAVE_LINK_VERSION_SCRIPT=1 -DLLVM_USE_RELATIVE_PATHS_IN_DEBUG_INFO=OFF -DLLVM_USE_RELATIVE_PATHS_IN_FILES=OFF "-DLLVM_LIT_ARGS=-vv --show-unsupported --show-xfail -j 64 --time-tests --timeout 100" -DLLVM_SOURCE_PREFIX= -DPACKAGE_VERSION=23.0.0git -DCMAKE_BUILD_TYPE=Release -DCMAKE_MAKE_PROGRAM=/usr/bin/ninja -DCMAKE_EXPORT_COMPILE_COMMANDS=1 -DCOMPILER_RT_BUILD_BUILTINS=OFF -DLLVM_INCLUDE_TESTS=ON -DLLVM_ENABLE_PROJECTS_USED=ON -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON -DCMAKE_C_COMPILER_WORKS=ON -DCMAKE_CXX_COMPILER_WORKS=ON -DCMAKE_Fortran_COMPILER_WORKS=ON -DCMAKE_ASM_COMPILER_WORKS=ON -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON -DLLVM_RUNTIMES_TARGET=amdgcn-amd-amdhsa -DHAVE_LLVM_LIT=ON -DCLANG_RESOURCE_DIR= -DLLVM_DEFAULT_TARGET_TRIPLE=amdgcn-amd-amdhsa -DLLVM_LIBC_GPU_BUILD=ON -DCOMPILER_RT_TEST_EXTERNAL_BUILTINS=ON "-DLLVM_ENABLE_RUNTIMES=compiler-rt;libunwind;openmp;offload" -DLLVM_USE_LINKER= -C /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/llvm/../compiler-rt/cmake/caches/AMDGPU.cmake -C /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/llvm/../libcxx/cmake/caches/AMDGPU.cmake -DCMAKE_CROSSCOMPILING_EMULATOR=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/llvm-gpu-loader -DLIBC_GPU_TEST_JOBS=4 "-DLLVM_ENABLE_RUNTIMES=compiler-rt;openmp;libc;libcxxabi;libcxx" -GNinja -C/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/projects/runtimes-amdgcn-amd-amdhsa/tmp/runtimes-amdgcn-amd-amdhsa-cache-Release.cmake /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/llvm/runtimes/../../runtimes && /usr/bin/cmake -E touch /home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/runtimes/runtimes-amdgcn-amd-amdhsa-stamps//runtimes-amdgcn-amd-amdhsa-configure
ninja: build stopped: subcommand failed.
Running: ccache -sv
Summary:
  Cache directory:            /home/botworker/.cache/ccache
  Primary config:             /home/botworker/.config/ccache/ccache.conf
  Secondary config:           /etc/ccache.conf
  Stats updated:              Mon Jun 22 14:58:15 2026
  Hits:                        3857 / 3863 (99.84 %)
    Direct:                    3307 / 3865 (85.56 %)
    Preprocessed:               550 /  556 (98.92 %)
  Misses:                         6
    Direct:                     558
    Preprocessed:                 6
  Uncacheable:                    2
Primary storage:
  Hits:                        7279 / 7726 (94.21 %)
  Misses:                       447
  Cache size (GB):             4.38 / 5.00 (87.70 %)
  Files:                      62407
Uncacheable:
  Unsupported code directive:     2
ninja -C llvm.build -j64 exited with return code 1.
@@@STEP_FAILURE@@@
Traceback (most recent call last):
  File "/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/../llvm.src/offload/ci/openmp-offload-amdgpu-libc-runtime.py", line 36, in <module>
    w.run_ninja(builddir=llvmbuilddir, ccache_stats=True)
  File "/home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/.ci/buildbot/worker.py", line 269, in run_ninja
    run_command(cmd, **kwargs)
  File "/home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/.ci/buildbot/worker.py", line 132, in run_command
    subprocess.check_call(cmd, shell=shell, env=env, **kwargs)
  File "/usr/lib/python3.10/subprocess.py", line 369, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['ninja', '-C', 'llvm.build', '-j64']' returned non-zero exit status 1.
Step 7 (compile llvm) failure: compile llvm (failure)
...

  failed with:

   ninja: error: build.ninja:147837: multiple rules generate /home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/lib/amdgcn-amd-amdhsa/libc++abi.a [-w dupbuild=err]

CMake Generate step failed.  Build files cannot be regenerated correctly.
FAILED: runtimes/runtimes-amdgcn-amd-amdhsa-stamps/runtimes-amdgcn-amd-amdhsa-configure /home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/runtimes/runtimes-amdgcn-amd-amdhsa-stamps/runtimes-amdgcn-amd-amdhsa-configure 
cd /home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/runtimes/runtimes-amdgcn-amd-amdhsa-bins && /usr/bin/cmake --no-warn-unused-cli -DCMAKE_C_COMPILER=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/clang -DCMAKE_CXX_COMPILER=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/clang++ -DCMAKE_ASM_COMPILER=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/clang -DCMAKE_LINKER=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/ld.lld -DCMAKE_AR=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/llvm-ar -DCMAKE_RANLIB=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/llvm-ranlib -DCMAKE_NM=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/llvm-nm -DCMAKE_OBJDUMP=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/llvm-objdump -DCMAKE_OBJCOPY=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/llvm-objcopy -DCMAKE_STRIP=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/llvm-strip -DCMAKE_READELF=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/llvm-readelf -DCMAKE_C_COMPILER_TARGET=amdgcn-amd-amdhsa -DCMAKE_CXX_COMPILER_TARGET=amdgcn-amd-amdhsa -DCMAKE_Fortran_COMPILER_TARGET=amdgcn-amd-amdhsa -DCMAKE_ASM_COMPILER_TARGET=amdgcn-amd-amdhsa -DCMAKE_SYSTEM_NAME=Generic -DCMAKE_INSTALL_PREFIX=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.inst -DLLVM_BINARY_DIR=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build -DLLVM_CONFIG_PATH=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/bin/llvm-config -DLLVM_ENABLE_WERROR=OFF -DLLVM_HOST_TRIPLE=x86_64-unknown-linux-gnu -DLLVM_HAVE_LINK_VERSION_SCRIPT=1 -DLLVM_USE_RELATIVE_PATHS_IN_DEBUG_INFO=OFF -DLLVM_USE_RELATIVE_PATHS_IN_FILES=OFF "-DLLVM_LIT_ARGS=-vv --show-unsupported --show-xfail -j 64 --time-tests --timeout 100" -DLLVM_SOURCE_PREFIX= -DPACKAGE_VERSION=23.0.0git -DCMAKE_BUILD_TYPE=Release -DCMAKE_MAKE_PROGRAM=/usr/bin/ninja -DCMAKE_EXPORT_COMPILE_COMMANDS=1 -DCOMPILER_RT_BUILD_BUILTINS=OFF -DLLVM_INCLUDE_TESTS=ON -DLLVM_ENABLE_PROJECTS_USED=ON -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON -DCMAKE_C_COMPILER_WORKS=ON -DCMAKE_CXX_COMPILER_WORKS=ON -DCMAKE_Fortran_COMPILER_WORKS=ON -DCMAKE_ASM_COMPILER_WORKS=ON -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON -DLLVM_RUNTIMES_TARGET=amdgcn-amd-amdhsa -DHAVE_LLVM_LIT=ON -DCLANG_RESOURCE_DIR= -DLLVM_DEFAULT_TARGET_TRIPLE=amdgcn-amd-amdhsa -DLLVM_LIBC_GPU_BUILD=ON -DCOMPILER_RT_TEST_EXTERNAL_BUILTINS=ON "-DLLVM_ENABLE_RUNTIMES=compiler-rt;libunwind;openmp;offload" -DLLVM_USE_LINKER= -C /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/llvm/../compiler-rt/cmake/caches/AMDGPU.cmake -C /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/llvm/../libcxx/cmake/caches/AMDGPU.cmake -DCMAKE_CROSSCOMPILING_EMULATOR=/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/./bin/llvm-gpu-loader -DLIBC_GPU_TEST_JOBS=4 "-DLLVM_ENABLE_RUNTIMES=compiler-rt;openmp;libc;libcxxabi;libcxx" -GNinja -C/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/projects/runtimes-amdgcn-amd-amdhsa/tmp/runtimes-amdgcn-amd-amdhsa-cache-Release.cmake /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/llvm/runtimes/../../runtimes && /usr/bin/cmake -E touch /home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/runtimes/runtimes-amdgcn-amd-amdhsa-stamps//runtimes-amdgcn-amd-amdhsa-configure
ninja: build stopped: subcommand failed.
Running: ccache -sv
Summary:
  Cache directory:            /home/botworker/.cache/ccache
  Primary config:             /home/botworker/.config/ccache/ccache.conf
  Secondary config:           /etc/ccache.conf
  Stats updated:              Mon Jun 22 14:58:15 2026
  Hits:                        3857 / 3863 (99.84 %)
    Direct:                    3307 / 3865 (85.56 %)
    Preprocessed:               550 /  556 (98.92 %)
  Misses:                         6
    Direct:                     558
    Preprocessed:                 6
  Uncacheable:                    2
Primary storage:
  Hits:                        7279 / 7726 (94.21 %)
  Misses:                       447
  Cache size (GB):             4.38 / 5.00 (87.70 %)
  Files:                      62407
Uncacheable:
  Unsupported code directive:     2
ninja -C llvm.build -j64 exited with return code 1.
Traceback (most recent call last):
  File "/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/../llvm.src/offload/ci/openmp-offload-amdgpu-libc-runtime.py", line 36, in <module>
    w.run_ninja(builddir=llvmbuilddir, ccache_stats=True)
  File "/home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/.ci/buildbot/worker.py", line 269, in run_ninja
    run_command(cmd, **kwargs)
  File "/home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/.ci/buildbot/worker.py", line 132, in run_command
    subprocess.check_call(cmd, shell=shell, env=env, **kwargs)
  File "/usr/lib/python3.10/subprocess.py", line 369, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['ninja', '-C', 'llvm.build', '-j64']' returned non-zero exit status 1.
program finished with exit code 1
elapsedTime=107.682940

```

</details>

https://github.com/llvm/llvm-project/pull/203504