ld: warning: -read_only_relocs cannot be used with x86_64 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 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