[2023.5.0] [armel] undefined symbol: __atomic_compare_exchange_4'

[picca]

Hello, the test unit on armel with pocl end up with this error message

INFO:silx.opencl.processing:5.798MB are needed on device: pthread-arm946e-s-x-gene-1,  which has 4294.967MB
INFO:silx.opencl.processing:Compiling file ['silx:opencl/doubleword.cl', 'pyfai:openCL/preprocess.cl', 'pyfai:openCL/ocl_histo.cl'] with options -D NBINS=100  -D NIMAGE=94965 -D WORKGROUP_SIZE=32
1 error generated.
INFO:silx.opencl.processing:Compiling file ['pyfai:openCL/deactivate_atomic64.cl', 'silx:opencl/doubleword.cl', 'pyfai:openCL/preprocess.cl', 'pyfai:openCL/ocl_histo.cl'] with options -D NBINS=100  -D NIMAGE=94965 -D WORKGROUP_SIZE=32
dlopen("/<<PKGBUILDDIR>>/debian/.debhelper/generated/_source/home/.cache/pocl/kcache/OO/FDIKBCJCHNGKMFFBCGMINMOGGLFLNKKIJEKLP/histogram_1d/0-0-0/histogram_1d.so") failed with '/<<PKGBUILDDIR>>/debian/.debhelper/generated/_source/home/.cache/pocl/kcache/OO/FDIKBCJCHNGKMFFBCGMINMOGGLFLNKKIJEKLP/histogram_1d/0-0-0/histogram_1d.so: undefined symbol: __atomic_compare_exchange_4'.
note: missing symbols in the kernel binary might be reported as 'file not found' errors.
Aborted

Maybe this is an issue with pocl, but I do not know...

[picca]

full build log here

https://buildd.debian.org/status/fetch.php?pkg=pyfai&arch=armel&ver=2023.5.0%2Bdfsg1-3&stamp=1689677908&raw=0