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Subject: Re: [OMPI devel] [OMPI svn] svn:open-mpi r27601 - trunk
From: Ralph Castain (rhc_at_[hidden])
Date: 2012-11-14 20:50:12

Ick - usually tools support some kind of version option. :-(

I'll give Nathan a chance to work on this tonight. If we can't resolve the problem, I'll revert the m4 check as well.

On Nov 14, 2012, at 5:41 PM, Paul Hargrove <phhargrove_at_[hidden]> wrote:

> On Wed, Nov 14, 2012 at 6:26 PM, Larry Baker <baker_at_[hidden]> wrote:
> m4 --version | sed -n -E -e '1s/^.*[^A-Za-z0-9_-]?([0-9]+[.][0-9]+[.][0-9]+)[^A-Za-z0-9_-]?.*$/\1/p'
> There are STILL problems with this approach as it is TWICE specific to GNU software:
> 1) M4 on OpenBSD (maybe others) doesn't support a "--version" flag:
> $ m4 --version | sed -n -E -e '1s/^.*[^A-Za-z0-9_-]?([0-9]+[.][0-9]+[.][0-9]+)[^A-Za-z0-9_-]?.*$/\1/p'
> m4: unknown option -- -
> usage: m4 [-gPs] [-Dname[=value]] [-d flags] [-I dirname] [-o filename]
> [-t macro] [-Uname] [file ...]
> 2) sed on Solaris (maybe others) doesn't support a "-E" flag:
> $ m4 --version | sed -n -E -e '1s/^.*[^A-Za-z0-9_-]?([0-9]+[.][0-9]+[.][0-9]+)[^A-Za-z0-9_-]?.*$/\1/p'
> /bin/sed: illegal option -- E
> -Paul
> --
> Paul H. Hargrove PHHargrove_at_[hidden]
> Future Technologies Group
> Computer and Data Sciences Department Tel: +1-510-495-2352
> Lawrence Berkeley National Laboratory Fax: +1-510-486-6900
> _______________________________________________
> devel mailing list
> devel_at_[hidden]