Hi, I maintain the conda-forge grep package and I'm seeing this build failure on all Linux targets with the recent 3.11 release:
FAIL: test-mbrlen5.sh ===================== test-mbrlen.c:47: assertion 'ret == (size_t)(-2)' failed ./test-mbrlen5.sh: line 5: 29982 Aborted (core dumped) LC_ALL=C ${CHECKER} ./test-mbrlen${EXEEXT} 5 FAIL test-mbrlen5.sh (exit status: 1)