https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100324
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- /bin/sh: ../libtool: No such file or directory that's odd. What's your host operating system, in particular what shell is /bin/sh? You'd need to see what (and why) libphobos picks up as @LIBTOOL@