checking whether the -Werror option is usable... yes
checking for strerror... yes
    C compiler flags ................ :  -Os -fstack-clash-protection -Wformat -Werror=format-security -fno-plt -fvisibility=hidden
    C++ compiler flags .............. : -Os -fstack-clash-protection -Wformat -Werror=format-security -D_GLIBCXX_ASSERTIONS=1 -D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS=1 -D_LIBCPP_ENABLE_HARDENED_MODE=1 -fno-plt -fvisibility=hidden -fvisibility-inlines-hidden
FAIL: RunGrepTest
# XFAIL: 0
# FAIL:  1
# ERROR: 0
make[3]: *** [Makefile:2702: test-suite.log] Error 1
make[2]: *** [Makefile:2837: check-TESTS] Error 2
make[1]: *** [Makefile:3081: check-am] Error 2
make: *** [Makefile:3083: check] Error 2
>>> ERROR: pcre: check failed