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


Undefined symbols for architecture x86_64:
  "_jpeg_CreateDecompress", referenced from:
      libyuv::MJpegDecoder::MJpegDecoder() in mjpeg_decoder.cc.o
      libyuv::MJpegDecoder::MJpegDecoder() in mjpeg_decoder.cc.o
  "_jpeg_abort_decompress", referenced from:
      libyuv::MJpegDecoder::UnloadFrame() in mjpeg_decoder.cc.o
      libyuv::MJpegDecoder::DecodeToBuffers(unsigned char**, int, int) in mjpeg_decoder.cc.o
      libyuv::MJpegDecoder::FinishDecode() in mjpeg_decoder.cc.o
      libyuv::MJpegDecoder::DecodeToCallback(void (*)(void*, unsigned char const* const*, int const*, int), void*, int, int) in mjpeg_decoder.cc.o
  "_jpeg_destroy_decompress", referenced from:
      libyuv::MJpegDecoder::~MJpegDecoder() in mjpeg_decoder.cc.o
      libyuv::MJpegDecoder::~MJpegDecoder() in mjpeg_decoder.cc.o
  "_jpeg_read_header", referenced from:
      libyuv::MJpegDecoder::LoadFrame(unsigned char const*, unsigned long) in mjpeg_decoder.cc.o
  "_jpeg_read_raw_data", referenced from:
      libyuv::MJpegDecoder::DecodeToBuffers(unsigned char**, int, int) in mjpeg_decoder.cc.o
      libyuv::MJpegDecoder::DecodeToCallback(void (*)(void*, unsigned char const* const*, int const*, int), void*, int, int) in mjpeg_decoder.cc.o
  "_jpeg_resync_to_restart", referenced from:
      libyuv::MJpegDecoder::MJpegDecoder() in mjpeg_decoder.cc.o
      libyuv::MJpegDecoder::MJpegDecoder() in mjpeg_decoder.cc.o
  "_jpeg_start_decompress", referenced from:
      libyuv::MJpegDecoder::DecodeToBuffers(unsigned char**, int, int) in mjpeg_decoder.cc.o
      libyuv::MJpegDecoder::StartDecode() in mjpeg_decoder.cc.o
      libyuv::MJpegDecoder::DecodeToCallback(void (*)(void*, unsigned char const* const*, int const*, int), void*, int, int) in mjpeg_decoder.cc.o
  "_jpeg_std_error", referenced from:
      libyuv::MJpegDecoder::MJpegDecoder() in mjpeg_decoder.cc.o
      libyuv::MJpegDecoder::MJpegDecoder() in mjpeg_decoder.cc.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [lib/libyuv.dylib] Error 1
make[1]: *** [CMakeFiles/yuv.dir/all] Error 2
make: *** [all] Error 2
libyuv/1767: WARN: Build folder is dirty, removing it: /Users/jenkins/w/cci_PR-3488@3/.conan/data/libyuv/1767/_/_/build/33900c8b9cfd6fddba2ef2ac771c577e53f9af22
libyuv/1767: ERROR: Package '33900c8b9cfd6fddba2ef2ac771c577e53f9af22' build failed
libyuv/1767: WARN: Build folder /Users/jenkins/w/cci_PR-3488@3/.conan/data/libyuv/1767/_/_/build/33900c8b9cfd6fddba2ef2ac771c577e53f9af22
ERROR: libyuv/1767: Error in build() method, line 41
	cmake.build()
	ConanException: Error 2 while executing cmake --build '/Users/jenkins/w/cci_PR-3488@3/.conan/data/libyuv/1767/_/_/build/33900c8b9cfd6fddba2ef2ac771c577e53f9af22' '--' '-j8'