On 2023-07-27 13:05, Corinna Vinschen via Cygwin wrote:
On Jul 27 20:24, Corinna Vinschen via Cygwin wrote:
On Jul 27 12:15, Bruno Haible via Cygwin wrote:
I'm looking into that.  First thing, your testsuite uncovered a bug in
the latest fnmatch in the C locale. Comparing pointers instead of
comparing characters was never a good idea for pattern matching...

When I'm done I hope that our 3.5 fnmatch won't be overridden by the
gnulib version :}

I can't easily install a Cygwin 3.5.0 snapshot. If one of you would like to
help, here's how to:
   1. Create an environment for working with a Cygwin 3.5.0 snapshot (from
      March 2023 or newer).
   2. wget https://haible.de/bruno/gnu/testdir-fnmatch.tar.gz
   3. tar xfz testdir-fnmatch.tar.gz
   4. cd testdir-fnmatch-posix
      ./configure 2>&1 | tee log1
      make
      make check

I fixed the above problem and the POSIX check now works fine:

      grep fnmatch log1

     checking for fnmatch.h... yes
     checking for fnmatch... yes
     checking for working POSIX fnmatch... yes

I also extraced the fnmatch configure testcase and ran it manually.
It returns 0 now.  But:

      grep REPLACE_FNMATCH config.status

     S["REPLACE_FNMATCH"]="1"

Looks like the reason is that we don't have a uchar.h file?  Seems
like this is of interest for AIX, but why should this be of
interest for fnmatch on other systems?

It was added in C99 TR19769, integrated in C/++11, available in libicu-devel:

        https://cplusplus.com/reference/cuchar/

        https://open-std.org/jtc1/sc22/open/n3579.pdf

        https://open-std.org/jtc1/sc22/wg14/www/docs/n1326.pdf

        https://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf#page=416

        $ find /usr/include/ -name uchar.h
        /usr/include/unicode/uchar.h

        $ cygcheck -f /usr/include/unicode/uchar.h
        libicu-devel-72.1-1

--
Take care. Thanks, Brian Inglis              Calgary, Alberta, Canada

La perfection est atteinte                   Perfection is achieved
non pas lorsqu'il n'y a plus rien à ajouter  not when there is no more to add
mais lorsqu'il n'y a plus rien à retirer     but when there is no more to cut
                                -- Antoine de Saint-Exupéry

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