| Issue |
136822
|
| Summary |
Ubuntu Jammy: fails to build with "--lto-CGO2: unknown option"
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
sylvestre
|
With gold as linker:
```
FAILED: /build/source/build-llvm/tools/clang/stage2-bins/lib/libomptarget-amdgpu.bc
: && /build/source/build-llvm/tools/clang/stage2-bins/./bin/clang++ --target=x86_64-pc-linux-gnu -fstack-protector-strong -Wformat -Werror=format-security -Wno-unused-command-line-argument -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -ffile-prefix-map=/build/source/build-llvm/tools/clang/stage2-bins/runtimes/runtimes-bins=../../../../../../ -ffile-prefix-map=/build/source/= -no-canonical-prefixes -O2 -DNDEBUG -g1 -Wl,-z,relro -Wl,--build-id -L/build/source/build-llvm/lib -fuse-ld=gold --target=amdgcn-amd-amdhsa -r -nostdlib -flto -Wl,--lto-emit-llvm -march= offload/DeviceRTL/Allocator.cpp-amdgpu.o offload/DeviceRTL/Configuration.cpp-amdgpu.o offload/DeviceRTL/Debug.cpp-amdgpu.o offload/DeviceRTL/Kernel.cpp-amdgpu.o offload/DeviceRTL/LibC.cpp-amdgpu.o offload/DeviceRTL/Mapping.cpp-amdgpu.o offload/DeviceRTL/Misc.cpp-amdgpu.o offload/DeviceRTL/Parallelism.cpp-amdgpu.o offload/DeviceRTL/Profiling.cpp-amdgpu.o offload/DeviceRTL/Reduction.cpp-amdgpu.o offload/DeviceRTL/State.cpp-amdgpu.o offload/DeviceRTL/Synchronization.cpp-amdgpu.o offload/DeviceRTL/Tasking.cpp-amdgpu.o offload/DeviceRTL/DeviceUtils.cpp-amdgpu.o offload/DeviceRTL/Workshare.cpp-amdgpu.o -o /build/source/build-llvm/tools/clang/stage2-bins/lib/libomptarget-amdgpu.bc && :
/usr/bin/ld.gold: --lto-CGO2: unknown option
/usr/bin/ld.gold: use the --help option for usage information
clang++: error: ld.lld command failed with exit code 1 (use -v to see invocation)
```
full log:
https://llvm-jenkins.debian.net/job/llvm-toolchain-jammy-binaries/architecture=amd64,distribution=jammy,label=amd64/2077/consoleFull
2b002d68044e built fine
I guess it has been caused by https://github.com/llvm/llvm-project/pull/136197
cc @BertalanD @sbc100
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