https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78756
--- Comment #1 from Mojca Miklavec <mojca at macports dot org> --- In the meantime I realized that the part of our build system that supports compiling cross-tools does the following: ---> Extracting gcc-6.2.0.tar.bz2 ---> Patching cpp.texi: s|setfilename cpp.info|setfilename x86_64-w64-mingw32-cpp.info|g ---> Patching cpp.texi: s|(cpp)|(x86_64-w64-mingw32-cpp)|g ---> Patching cpp.texi: s|@file{cpp}|@file{x86_64-w64-mingw32-cpp}|g ---> Patching Makefile.in: s:[[:<:]]cpp\.(info|pod|texi):x86_64-w64-mingw32-&:g ---> Patching Makefile.in: s|--info-dir=$(DESTDIR)$(infodir)|--dir-file=$(DESTDIR)$(infodir)/x86_64-w64-mingw32-gcc-dir|g ---> Patching cppinternals.texi: s|setfilename cppinternals.info|setfilename x86_64-w64-mingw32-cppinternals.info|g ---> Patching cppinternals.texi: s|(cppinternals)|(x86_64-w64-mingw32-cppinternals)|g ---> Patching cppinternals.texi: s|@file{cppinternals}|@file{x86_64-w64-mingw32-cppinternals}|g ---> Patching Makefile.in: s:[[:<:]]cppinternals\.(info|pod|texi):x86_64-w64-mingw32-&:g ---> Patching Makefile.in: s|--info-dir=$(DESTDIR)$(infodir)|--dir-file=$(DESTDIR)$(infodir)/x86_64-w64-mingw32-gcc-dir|g ---> Patching gcc.texi: s|setfilename gcc.info|setfilename x86_64-w64-mingw32-gcc.info|g ---> Patching gcc.texi: s|(gcc)|(x86_64-w64-mingw32-gcc)|g ---> Patching gcc.texi: s|@file{gcc}|@file{x86_64-w64-mingw32-gcc}|g ---> Patching Makefile.in: s:[[:<:]]gcc\.(info|pod|texi):x86_64-w64-mingw32-&:g ---> Patching Makefile.in: s|--info-dir=$(DESTDIR)$(infodir)|--dir-file=$(DESTDIR)$(infodir)/x86_64-w64-mingw32-gcc-dir|g ---> Patching gccint.texi: s|setfilename gccint.info|setfilename x86_64-w64-mingw32-gccint.info|g ---> Patching gccint.texi: s|(gccint)|(x86_64-w64-mingw32-gccint)|g ---> Patching gccint.texi: s|@file{gccint}|@file{x86_64-w64-mingw32-gccint}|g ---> Patching Makefile.in: s:[[:<:]]gccint\.(info|pod|texi):x86_64-w64-mingw32-&:g ---> Patching Makefile.in: s|--info-dir=$(DESTDIR)$(infodir)|--dir-file=$(DESTDIR)$(infodir)/x86_64-w64-mingw32-gcc-dir|g ---> Patching gccinstall.info: s|setfilename gccinstall.info|setfilename x86_64-w64-mingw32-gccinstall.info|g ---> Patching gccinstall.info: s|(gccinstall)|(x86_64-w64-mingw32-gccinstall)|g ---> Patching gccinstall.info: s|@file{gccinstall}|@file{x86_64-w64-mingw32-gccinstall}|g ---> Patching Makefile.in: s:[[:<:]]gccinstall\.(info|pod|info):x86_64-w64-mingw32-&:g ---> Patching Makefile.in: s|--info-dir=$(DESTDIR)$(infodir)|--dir-file=$(DESTDIR)$(infodir)/x86_64-w64-mingw32-gcc-dir|g ---> Patching libquadmath.info: s|setfilename libquadmath.info|setfilename x86_64-w64-mingw32-libquadmath.info|g ---> Patching libquadmath.info: s|(libquadmath)|(x86_64-w64-mingw32-libquadmath)|g ---> Patching libquadmath.info: s|@file{libquadmath}|@file{x86_64-w64-mingw32-libquadmath}|g ---> Patching Makefile.in: s:[[:<:]]libquadmath\.(info|pod|info):x86_64-w64-mingw32-&:g ---> Patching Makefile.in: s|--info-dir=$(DESTDIR)$(infodir)|--dir-file=$(DESTDIR)$(infodir)/x86_64-w64-mingw32-gcc-dir|g ---> Patching Makefile.in: /^install:/s/ .*// ---> Configuring x86_64-w64-mingw32-gcc-bootstrap So maybe "proper" names of info files come from our build system after all and nobody bothered ever testing the patches for fortran. I need to dig a bit further. It would of course be awesome if none of that patching was needed, but ...