Fixed -- thanks: https://github.com/open-mpi/ompi/commit/4b8fa246824418f8bd46419286bb1bcb8ce6e941
FWIW, it *did* print a list of files for me on my Mac when I faked it out and forced it to *not* find flex. Shrug. So I just took that part of the error message out -- let devs always install flex. :-) > On Apr 22, 2015, at 2:15 PM, Paul Hargrove <phhargr...@lbl.gov> wrote: > > When building from a git clone of master I encountered the following: > > checking for flex... no > checking for lex... no > configure: WARNING: *** Could not find GNU Flex on your system. > configure: WARNING: *** GNU Flex required for developer builds of Open MPI. > configure: WARNING: *** Other versions of Lex are not supported. > configure: WARNING: *** YOU DO NOT NEED FLEX FOR DISTRIBUTION TARBALLS! > configure: WARNING: *** If you absolutely cannot install GNU Flex on this > system > configure: WARNING: *** consider using a distribution tarball, or generate the > configure: WARNING: *** following files on another system (using Flex) and > configure: WARNING: *** copy them here: > configure: error: Cannot continue > > > I do not disagree with the requirement for flex. > However, there are multiple problems with that output. > > 1) The "following files" list is EMPTY. > If there is no way to output the list, then the last 4 WARNING lines are > pointless. > > 2) A minor grammar point: "Flex required" should be "Flex is required" > > 3) It is NOT known as "GNU Flex". > Quoting from https://www.gnu.org/software/flex/flex.html > Flex is a free (but non-GNU) implementation of the original Unix lex > program. > > -Paul > > -- > Paul H. Hargrove phhargr...@lbl.gov > Computer Languages & Systems Software (CLaSS) Group > Computer Science Department Tel: +1-510-495-2352 > Lawrence Berkeley National Laboratory Fax: +1-510-486-6900 > _______________________________________________ > devel mailing list > de...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel > Link to this post: > http://www.open-mpi.org/community/lists/devel/2015/04/17310.php -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/