Peter N. Lundblad wrote:
> > Modified: trunk/configure.in
> > URL: http://svn.collab.net/viewvc/svn/trunk/configure.in?pathrev=19039&r1=19038&r2=19039
> > ==============================================================================
> > --- trunk/configure.in (original)
> > +++ trunk/configure.in Sun Mar 26 06:25:29 2006
> > @@ -51,13 +51,12 @@
> > dnl - APR_LARGEFILE added
> > dnl - APR_GSETID added
> > dnl - bug in apr_temp_dir_get() fixed
> > -APR_VER_REGEX=["0\.9\.[5-9]"]
> > -APR_VER_REGEX_TOO="1\."
> > -APU_VER_REGEX=["0\.9\.[5-9]"]
> > -APU_VER_REGEX_TOO="1\."
> >
> > -SVN_LIB_APR($APR_VER_REGEX, $APR_VER_REGEX_TOO)
> > -SVN_LIB_APRUTIL($APU_VER_REGEX, $APU_VER_REGEX_TOO)
> > +APR_VER_REGEXES=["0\.9\.[5-9] 0.9.1[0-9] 1."]
> > +APU_VER_REGEXES=["0\.9\.[5-9] 0.9.1[0-9] 1."]
>
> Just out of curiousity, is the | (or \|) operator not portable in a basic
> regex? It works on my machine, but that might be a GNU extension?
The alternation operator is not valid in a portable Basic RegEx: see
<http://www.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap09.html#tag_09_03>
Also, there's the added complication that this BRE is processed by the utility
"expr" which changes its output if you use parentheses for grouping, which you
probably would want to do if you used alternation.
- Julian
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Received on Sun Mar 26 23:54:48 2006