Archiving libflac.a... C:/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/7.3.0/../../../../x86_64-w64-mingw32/bin/ar.exe: unable to rename '../../../../minCompiling src/osd/windows/winutil.cpp... gw-gcc/bin/x64/Release/libflac.a'; reason: File exists flac.make:319: recipe for target '../../../../mingw-gcc/bin/x64/Release/libflac.a' failed make[2]: *** [../../../../mingw-gcc/bin/x64/Release/libflac.a] Error 1 makefile:52: recipe for target 'flac' failed make[1]: *** [flac] Error 2 make[1]: *** Waiting for unfinished jobs....