Error while building Portal

Welp, this might be one of the first times I'm asking for help in here, currently trying to follow this guide but I'm running into an error when trying to build. Here's the error:
Build failed
 -> task in 'tier0' failed with exit status 1: 
    {task 4394321632: cxx progressbar.cpp -> progressbar.cpp.31.o}
['/usr/bin/clang++', '-MMD', '-fno-strict-aliasing', '-fvisibility=hidden', '-O2', '-funsafe-math-optimizations', '-ftree-vectorize', '-ffast-math', '-pipe', '-fPIC', '-L/Users/starry/source-engine/lib/darwin/x86_64/', '-pthread', '-mfpmath=sse', '-std=c++11', '-fpermissive', '-fPIC', '-Itier0', '-I../tier0', '-Ipublic', '-I../public', '-Ipublic/tier0', '-I../public/tier0', '-I/usr/local/include', '-I/usr/local/include/SDL2', '-I../common', '-DDX_TO_GL_ABSTRACTION', '-DGL_GLEXT_PROTOTYPES', '-DBINK_VIDEO', '-DUSE_SDL=1', '-DPLATFORM_64BITS=1', '-DOSX=1', '-D_OSX=1', '-DPOSIX=1', '-D_POSIX=1', '-DPLATFORM_POSIX=1', '-DGNUC', '-DNO_HOOK_MALLOC', '-D_DLL_EXT=.dylib', '-DNO_MEMOVERRIDE_NEW_DELETE=1', '-DNDEBUG', '-DGIT_COMMIT_HASH="29985681"', '-DHAVE_SDL2=1', '-DHAVE_FT2=1', '-DHAVE_FC=1', '-DHAVE_JPEG=1', '-DHAVE_PNG=1', '-DHAVE_CURL=1', '-DHAVE_ZLIB=1', '-DWAF_CFLAGS="[\'-MMD\', \'-fno-strict-aliasing\', \'-fvisibility=hidden\', \'-O2\', \'-funsafe-math-optimizations\', \'-ftree-vectorize\', \'-ffast-math\', \'-pipe\', \'-fPIC\', \'-L/Users/starry/source-engine/lib/darwin/x86_64/\', \'-pthread\', \'-mfpmath=sse\']"', '-DWAF_LDFLAGS="[\'-fvisibility=hidden\', \'-pipe\', \'-fPIC\', \'-L/Users/starry/source-engine/lib/darwin/x86_64/\', \'-pthread\', \'-mfpmath=sse\']"', '-DTIER0_DLL_EXPORT=1', '../tier0/progressbar.cpp', '-c', '-o/Users/starry/source-engine/build/tier0/progressbar.cpp.31.o']
jxhug on Notion
guide made by jxhug. video here:
if you enjoy the guide please give the video a like :)
Guide to Installing Portal Using Source Engine on macOS | Notion
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