cppgoogle/highway #887Not a task: already works

libhwy.so.1.0.0: undefined reference to `__atomic_store_8'

envgap__google__highway-887

Original GitHub issue ↗Dated source checkout ↗Opened 2022-08-02

01 / FAILURE SIGNATURE

As reported upstream

/usr/bin/ld: libhwy.so.1.0.0: undefined reference to `__atomic_store_8'

Not a benchmark task.

The project already builds and runs before the fix, so there is nothing to repair.

02 / ENVIRONMENT RECIPE

Base commit: 5810c5802e6482d8e8c058b4c7ffb1058dfcc29c
Manifest: CMakeLists.txt
Reproduce: Awaiting issue-specific recipe
Run under trace: Awaiting a meaningful runtime command

03 / ORIGINAL ISSUE TEXT

google/highway #887 · read the original issue

It seems something has changed recently (or is it gcc-12). But some arches are now failing to build highway. Typical error message is now:



```

 && /usr/bin/c++ -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -DHWY_BROKEN_EMU128=1 -Wno-psabi -Wdate-time -D_FORTIFY_SOURCE=2 -Wl,-z,relro -Wl,-z,now     -fPIE -pie CMakeFiles/hwy_benchmark.dir/hwy/examples/benchmark.cc.o -o examples/hwy_benchmark  -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi  libhwy.so.1.0.0 && :

/usr/bin/ld: libhwy.so.1.0.0: undefined reference to `__atomic_store_8'

collect2: error: ld returned 1 exit status

```



* https://buildd.debian.org/status/fetch.php?pkg=highway&arch=armel&ver=1.0.0-1&stamp=1659387322&raw=0

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