mikaelholmen wrote:
> Is `pthread` installed and availabe on your system?
>
> ```shell
> ldconfig -p | grep pthread
> ```
```
libpthread.so.0 (libc6,x86-64, OS ABI: Linux 3.2.0) =>
/lib64/libpthread.so.0
libpthread.so.0 (libc6, OS ABI: Linux 3.2.0) => /lib/libpthread.so.0
libpthread.so (libc6,x86-64, OS ABI: Linux 3.2.0) =>
/lib64/libpthread.so
libpthread.so (libc6, OS ABI: Linux 3.2.0) => /lib/libpthread.so
liblttng-ust-pthread-wrapper.so.0 (libc6,x86-64) =>
/lib64/liblttng-ust-pthread-wrapper.so.0
libevent_pthreads-2.1.so.6 (libc6,x86-64) =>
/lib64/libevent_pthreads-2.1.so.6
```
I see that in our failing build we explicitly set
```--gcc-toolchain```
because
```we need a more modern stdlibc++ compared to the one found on the system.```
but maybe that messes something up then. Non-shared libs builds work though.
If I add
```
${LLVM_PTHREAD_LIB}
```
in LINK_LIBS in clang/lib/Driver/CMakeLists.txt the shared libs build links
succesfully.
But if noone else see any problems maybe this is a downstream
configuration/build setup issue then.
https://github.com/llvm/llvm-project/pull/152770
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