CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY


x264 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
x264 [info]: profile Constrained Baseline, level 3.0, 4:2:0, 8-bit
libx264/20191217: WARN: Error running `configure --help`: Error 1 while executing source_subfolder/configure --help