From: "Arsen Arsenović" <arsen@aarsen.me>
To: Richard Biener <richard.guenther@gmail.com>
Cc: Bruno Haible <bruno@clisp.org>,
David Edelsohn <dje.gcc@gmail.com>,
GCC Patches <gcc-patches@gcc.gnu.org>,
bug-gettext@gnu.org
Subject: Re: building GNU gettext on AIX
Date: Fri, 17 Nov 2023 09:49:40 +0100 [thread overview]
Message-ID: <86bkbs69wt.fsf@aarsen.me> (raw)
In-Reply-To: <CAFiYyc01shsYvFY6rkhVhLxH4dmqtnnTguBVwKYZN8+wWKW50Q@mail.gmail.com>
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Richard Biener <richard.guenther@gmail.com> writes:
> On Fri, Nov 17, 2023 at 12:13 AM Arsen Arsenović <arsen@aarsen.me> wrote:
>>
>>
>> Bruno Haible <bruno@clisp.org> writes:
>>
>> > Hi David,
>> >
>> >> the default, distributed libintl library will not allow GCC to be built
>> >> with NLS enabled.
>> >
>> > The problem is this configure test from gettext.m4
>> >
>> > checking for GNU gettext in libintl... no
>> >
>> > It should say
>> >
>> > checking for GNU gettext in libintl... yes
>> >
>> > I reproduce it with simple hello-world package, outside GCC.
>> >
>> > It tests whether a program that uses gettext() can be linked with
>> > -lintl -liconv
>> > But now, on AIX, it needs to test whether such a program can be linked with
>> > -lintl -liconv -lpthread
>> >
>> >> Were you suggesting that --enable-threads=isoc would work now or that it
>> >> would require further changes for a future release?
>> >
>> > It requires a change, effectively to do as if HAVE_PTHREAD_API is undefined
>> > if --enable-threads=isoc was provided.
>> >
>> > I can prepare a new gettext release that has both issues fixed:
>> > - gettext.m4 that fixes the configure test and sets the variable LIBINTL
>> > to "-Lsome/libdir -lintl -liconv -lpthread",
>> > - mbrtowc.o and setlocale*.o that use mtx_* locks instead of pthread_*
>> > mutexes when requested.
>> >
>> > But you then need to make up your mind w.r.t. what I wrote in the earlier
>> > mail.
>> >
>> > * GCC can pass --enable-threads=isoc, to avoid the libpthread dependency
>> > on AIX ≥ 7.2.
>>
>> Hmm, would that option work everywhere, though? Or would we have to
>> wire up configury to detect which flag to use? If so, what would it
>> look like.
>
> I'd highly recommend the in-tree gettext to be built with thread
> support _disabled_,
> only a static library built and never installed (but linked statically
> into the host
> binaries).
>
> So if --disable-threads (or how it is called) does not work you need
> to fix _that_.
> Likewise if --disable-shared doesn't work correctly on all platforms
> you have to fix
> that as well.
That seems like the best choice to me too (and I'm testing a patch that
does that currently).
> Richard.
>
>>
>> > * Or GCC can (continue to?) use the variable LIBINTL. This will work on
>>
>> If you mean the one generated by gettext.m4/uninstalled-config.sh, it is
>> utilized today:
>>
>> LIBS = @LIBS@ libcommon.a $(CPPLIB) $(LIBINTL) $(LIBICONV) $(LIBBACKTRACE) \
>> $(LIBIBERTY) $(LIBDECNUMBER) $(HOST_LIBS)
>>
>> (from gcc/Makefile.in)
>>
>>
>> > AIX 7.1 as well but the programs will then be linked against libpthread.
>> > One additional library.
>> > $ ldd gcc
>> > /opt/freeware/bin/gcc needs:
>> > /usr/lib/libc.a(shr.o)
>> > /opt/freeware/lib/libiconv.a(libiconv.so.2)
>> > /usr/lib/libc.a(_shr.o)
>> > /unix
>> > /usr/lib/libcrypt.a(shr.o)
>> > /opt/freeware/lib/libgcc_s.a(shr.o)
>> > libpthread.a will be added to this list.
>> >
>> > ibm-clang links against libpthread.a as well:
>> > $ ldd /opt/IBM/openxlC/17.1.1/bin/.ibm-clang.orig
>> > /opt/IBM/openxlC/17.1.1/bin/.ibm-clang.orig needs:
>> > /usr/lib/libpthreads.a(shr_xpg5_64.o)
>> > /usr/opt/zlibNX/lib/libz.a(libz.so.1)
>> > /usr/lib/libcurses.a(shr42_64.o)
>> > /usr/lib/libiconv.a(shr4_64.o)
>> > /usr/lib/libc++.a(shr_64.o)
>> > /usr/lib/libc++abi.a(libc++abi.so.1)
>> > /usr/lib/libc.a(shr_64.o)
>> > /usr/lib/libpthreads.a(_shr_xpg5_64.o)
>> > /usr/lib/libc++.a(libc++.so.1)
>> > /usr/lib/libunwind.a(libunwind.so.1)
>> > /usr/lib/libc.a(_shr_64.o)
>> > /unix
>> > /usr/lib/libcrypt.a(shr_64.o)
>>
>> David, I'll leave that decision up to you.
>>
>> > Bruno
>>
>>
>> --
>> Arsen Arsenović
--
Arsen Arsenović
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next prev parent reply other threads:[~2023-11-17 8:50 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-14 20:37 [PATCH v3 0/2] Replace intl/ with out-of-tree GNU gettext David Edelsohn
2023-11-14 23:06 ` Arsen Arsenović
2023-11-15 1:49 ` David Edelsohn
2023-11-15 12:29 ` building GNU gettext on AIX Bruno Haible
2023-11-15 19:26 ` David Edelsohn
2023-11-15 21:22 ` Bruno Haible
2023-11-15 21:31 ` David Edelsohn
2023-11-15 22:39 ` Bruno Haible
2023-11-16 16:00 ` David Edelsohn
2023-11-16 16:35 ` David Edelsohn
2023-11-16 18:01 ` David Edelsohn
2023-11-16 18:17 ` David Edelsohn
2023-11-16 18:52 ` Bruno Haible
2023-11-16 22:18 ` David Edelsohn
2023-11-16 22:46 ` Bruno Haible
2023-11-16 23:10 ` Arsen Arsenović
2023-11-17 8:33 ` Richard Biener
2023-11-17 8:49 ` Arsen Arsenović [this message]
2023-11-17 12:24 ` Bruno Haible
2023-11-17 13:06 ` Arsen Arsenović
2023-11-16 23:38 ` David Edelsohn
2023-11-17 0:07 ` Bruno Haible
2023-11-17 0:15 ` David Edelsohn
[not found] ` <84B39BF1-33D5-488E-8CF5-D08B09417568@gmail.com>
2023-11-16 17:44 ` David Edelsohn
2023-11-16 18:47 ` Bruno Haible
2023-11-16 18:50 ` Arsen Arsenović
2023-11-16 18:59 ` Bruno Haible
2023-11-16 19:14 ` Arsen Arsenović
2023-11-19 19:49 ` Bruno Haible
2023-11-15 14:14 ` [PATCH v3 0/2] Replace intl/ with out-of-tree GNU gettext Arsen Arsenović
2023-11-15 15:51 ` Xi Ruoyao
2023-11-16 18:48 ` Arsen Arsenović
2023-11-15 17:19 ` David Edelsohn
2023-11-16 18:33 ` Arsen Arsenović
2023-11-16 21:11 ` Arsen Arsenović
2023-11-16 21:40 ` David Edelsohn
2023-11-16 22:19 ` Arsen Arsenović
2023-11-16 22:30 ` David Edelsohn
2023-11-16 22:32 ` Arsen Arsenović
2023-11-16 23:59 ` David Edelsohn
2023-11-17 8:34 ` Arsen Arsenović
2023-11-17 8:50 ` Richard Biener
2023-11-17 8:56 ` Arsen Arsenović
2023-11-17 14:41 ` David Edelsohn
2023-11-17 15:16 ` Arsen Arsenović
2023-11-17 16:07 ` David Edelsohn
2023-11-18 18:10 ` Arsen Arsenović
2023-11-19 21:55 ` Bruno Haible
2023-11-19 23:00 ` Bruno Haible
2023-11-19 23:06 ` Andrew Pinski
2023-11-20 1:17 ` David Edelsohn
2023-11-20 21:18 ` Arsen Arsenović
2023-11-20 21:38 ` David Edelsohn
2023-11-21 0:44 ` Arsen Arsenović
2023-11-20 23:00 ` Bruno Haible
2023-11-21 0:45 ` Arsen Arsenović
2023-11-21 13:13 ` Arsen Arsenović
2023-11-21 16:28 ` David Edelsohn
2023-11-21 20:58 ` Eric Gallager
2023-11-15 19:58 ` David Edelsohn
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