It seems that FILE definition is not detected under Cygwin. Sorry for the lack of information, but in case someone can test or give more information...
For the background, see https://stackoverflow.com/questions/49880944/cygwins-gcc-compiler-warning-from-mpfr-library and my answer https://stackoverflow.com/a/49896200/3782797 -- Vincent Lefèvre <vinc...@vinc17.net> - Web: <https://www.vinc17.net/> 100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/> Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon) _______________________________________________ gmp-bugs mailing list gmp-bugs@gmplib.org https://gmplib.org/mailman/listinfo/gmp-bugs
