grep: unrecognized option `--perl-regex'
usage: grep [-abcDEFGHhIiJLlmnOoqRSsUVvwxZ] [-A num] [-B num] [-C[num]]
	[-e pattern] [-f file] [--binary-files=value] [--color=when]
	[--context[=num]] [--directories=action] [--label] [--line-buffered]
	[--null] [pattern] [file ...]
Building ver.: 0.0.
Packaging for: amd-64
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY
    CMAKE_INSTALL_BINDIR
    CMAKE_INSTALL_DATAROOTDIR
    CMAKE_INSTALL_INCLUDEDIR
    CMAKE_INSTALL_LIBDIR
    CMAKE_INSTALL_LIBEXECDIR
    CMAKE_INSTALL_OLDINCLUDEDIR
    CMAKE_INSTALL_SBINDIR


clang: error: unable to execute command: Terminated: 15
clang: error: clang frontend command failed due to signal (use -v to see invocation)
Apple LLVM version 9.1.0 (clang-902.0.39.2)
Target: x86_64-apple-darwin18.2.0
Thread model: posix
InstalledDir: /Applications/Xcode-9.4.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
clang: note: diagnostic msg: PLEASE submit a bug report to http://developer.apple.com/bugreporter/ and include the crash backtrace, preprocessed source, and associated run script.
make[2]: *** [CMakeFiles/yuv.dir/source/row_common.cc.o] Terminated: 15
make[1]: *** [CMakeFiles/yuv.dir/all] Terminated: 15
make: *** [all] Terminated: 15
libyuv/1767: WARN: Build folder is dirty, removing it: /Users/jenkins/w/cci_PR-3488@3/.conan/data/libyuv/1767/_/_/build/fe545092f07069d4dead5df2e7947192a987a50c
ERROR: Exiting with code: 5