Install failed on M1, error: use of undeclared identifier 'extension'

[xuchen81]

I am building on Mac Book Pro M1, 14.1.1, getting this error: error: use of undeclared identifier 'extension'
└─[0] <> make g++ -DPACKAGE_NAME=\"Gource\" -DPACKAGE_TARNAME=\"gource\" -DPACKAGE_VERSION=\"0.54\" -DPACKAGE_STRING=\"Gource\ 0.54\" -DPACKAGE_BUGREPORT=\"acaudwell@gmail.com\" -DPACKAGE_URL=\"\" -DPACKAGE=\"gource\" -DVERSION=\"0.54\" -DHAVE_TIMEGM=1 -DHAVE_UNSETENV=1 -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_OPENGL_GL_H=1 -DHAVE_GL=1 -DHAVE_OPENGL_GLU_H=1 -DHAVE_GLU=1 -DHAVE_IMG_LOADPNG_RW=1 -DHAVE_IMG_LOADJPG_RW=1 -DHAVE_BOOST=/\*\*/ -I. -DSDLAPP_RESOURCE_DIR=\"/usr/local/share/gource\" -I/opt/homebrew/opt/freetype/include/freetype2 -I/opt/homebrew/opt/libpng/include/libpng16 -I/opt/homebrew/Cellar/pcre2/10.43/include -I/opt/homebrew/Cellar/glew/2.2.0_1/include -DHWY_SHARED_DEFINE -DAVIF_DLL -D_THREAD_SAFE -I/opt/homebrew/include/SDL2 -I/opt/homebrew/opt/libpng/include/libpng16 -I/opt/homebrew/Cellar/jpeg-xl/0.10.2/include -I/opt/homebrew/Cellar/highway/1.2.0/include -I/opt/homebrew/Cellar/brotli/1.1.0/include -I/opt/homebrew/Cellar/jpeg-xl/0.10.2/include -I/opt/homebrew/Cellar/little-cms2/2.16/include -I/opt/homebrew/Cellar/libtiff/4.6.0/include -I/opt/homebrew/opt/zstd/include -I/opt/homebrew/Cellar/xz/5.4.6/include -I/opt/homebrew/Cellar/jpeg-turbo/3.0.3/include -I/opt/homebrew/Cellar/libavif/1.0.4/include -I/opt/homebrew/Cellar/webp/1.4.0/include -I/opt/homebrew/Cellar/webp/1.4.0/include/webp -I/opt/homebrew/include -I/opt/homebrew/include/SDL2 -I/opt/homebrew/opt/libpng/include/libpng16 -I/opt/homebrew/include -std=gnu++0x -Wall -Wno-sign-compare -Wno-reorder -Wno-unused-but-set-variable -Wno-unused-variable -g -O2 -MT src/gource-gource_settings.o -MD -MP -MF src/.deps/gource-gource_settings.Tpo -c -o src/gource-gource_settings.otest -f 'src/gource_settings.cpp' || echo './'src/gource_settings.cpp src/gource_settings.cpp:836:36: error: use of undeclared identifier 'extension' std::string file_ext = extension(p); ^ 1 error generated. make: *** [src/gource-gource_settings.o] Error 1

[acaudwell]

I think this is fixed on master. Try brew install gource --HEAD