https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60670
Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |rejects-valid CC| |fxcoudert at gcc dot gnu.org --- Comment #12 from Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> --- The Fortran module files are not installed in the right place, and that leads to error upon compilation of valid user code (not finding the module files). $ ls /usr/local/gfortran/lib/**/libgomp.dylib /usr/local/gfortran/lib/i386/libgomp.dylib /usr/local/gfortran/lib/libgomp.dylib $ ls /usr/local/gfortran/lib/**/omp_lib.mod /usr/local/gfortran/lib/gcc/x86_64-apple-darwin15/6.1.0/finclude/omp_lib.mod It’s because the Makefile machinery is wrong. libgomp/Makefile.am has: fincludedir = $(libdir)/gcc/$(target_alias)/$(gcc_version)/finclude while the corresponding libgfortran has: fincludedir = $(libdir)/gcc/$(target_alias)/$(gcc_version)$(MULTISUBDIR)/finclude notice the extra $(MULTISUBDIR).