having some trouble compiling the latest build from git. Part way through I get this:

Code
mingw64/bin/../lib/gcc/x86_64-w64-mingw32/7.3.0/../../../../x86_64-w64-mingw32/bin/ar.exe: unable to rename '../../../../mingw-gcc/bin/x64/Release/mame_mame/libie15.a'; reason: File exists
ie15.make:265: recipe for target '../../../../mingw-gcc/bin/x64/Release/mame_mame/libie15.a' failed
make[2]: *** [../../../../mingw-gcc/bin/x64/Release/mame_mame/libie15.a] Error 1