On 6/17/10, Eric Blake <ebl...@redhat.com> wrote:
> On 06/17/2010 11:33 AM, Sam Steingold wrote:
> > some gnulib modules (e.g., gnulib/m4/libunistring-base.m4) have
> > facilities for comparing version numbers, e.g., 1.5.22 with 2.2.8.
> > it would be nice if there were a module (say, version-compare) which
> > would export such a facility.
> > e.g., @VERSION_COMPARE@ would expand to
> > version_compare() {
> > ...
> > }
> > which would return 0 or 1 depending on whether $1 is smaller than $2.
>
> Are you talking about version comparisons at m4 time (if so, is
> m4_version_compare from autoconf adequate?), at shell time (if so, is
> AS_VERSION_COMPARE from autoconf adequate?), or in your executable (if
> so, is either the strverscmp or filevercmp module adequate?).
at shell time, but not in configure.
I have a shell file foo.in which is processed by configure using
AC_CONFIG_FILES, and I want to be able to compare versions there.
--
Sam Steingold <http://sds.podval.org>
