clang -fno-strict-aliasing -OPT:Olimit=0 -isystem/usr/local/osquery/legacy/include -isystem/usr/local/osquery/include -isystem/usr/local/osquery/lib/clang/5.0.1/include -Oz -fPIC -DNDEBUG -march=core2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DPSUTIL_POSIX=1 -DPSUTIL_SIZEOF_PID_T=4 -DPSUTIL_VERSION=570 -DPSUTIL_LINUX=1 -I/usr/local/osquery/include -I/usr/local/osquery/legacy/include -I/usr/local/osquery/opt/openssl/include -I/usr/local/osquery/Cellar/python/2.7.12_201/include/python2.7 -c psutil/_psutil_common.c -o build/temp.linux-x86_64-2.7/psutil/_psutil_common.o In file included from psutil/_psutil_common.c9 In file included from /usr/local/osquery/Cellar/python/2.7.12_201/include/python2.7/Python.h19 In file included from /usr/local/osquery/legacy/include/limits.h125 In file included from /usr/local/osquery/Cellar/llvm/6.0.0_200/lib/clang/6.0.0/include/limits.h37 /usr/include/limits.h1455: error: function-like macro '__GLIBC_USE' is not defined #if __GLIBC_USE (IEC_60559_BFP_EXT) ^ 1 error generated. error: command 'clang' failed with exit status 1