Hi Daniel, In <https://lists.gnu.org/archive/html/bug-gnulib/2015-10/msg00020.html> you wrote: > gnulib-zos-configure.patch: Changes to the Autoconf M4 code to support > z/OS.
What is the host_os of the canonical triple in that environment? Is it 'mvs' or 'openedition'? I know that at the C preprocessor level, the test is 'defined __MVS__'. Bruno