[PROPOSAL] To retire autoconf for 4.1

[C.J. Adams-Collier]

Is it possible to run AIX in a virtual environment?  Perhaps IBM could
provide a build system to the team for development and testing purposes.
 On May 23, 2013 6:27 AM, <yaberger at ca.ibm.com> wrote:

> Hi,
>
> We are using Samba 3.6.x built by ourself on AIX with IBM XL C/C++
> compiler, with the autoconf build system and it's working without issue.
> We use Samba mainly for its file-server feature to share DFS, GPFS and
> JFS2 filesystems to Windows systems and to Linux workstations.
> We will be looking in the upcoming months/years (before you stop providing
>
> security fixes for 3.6) to upgrade to Samba 4.x (file-server only) so we
> hope to be able to build it in our environment.
>
> We currently don't have Python on these systems as nothing requires it.
> There is no IBM supported python package for AIX.
> There is some sites providing Python packages (such as
> http://www-frec.bull.com/ and http://www.perzl.org/aix/) but on a best
> effort basis and not always at the latest release.
> Being able to be on a supported version (or at least, an up-to-date
> version for security fixes) is mandatory for us.
> Therefore, the most logical solution remaining is to build Python ourself
> and maintain it.
>
> I believe waf requires Python 2.x so I've tried to compile Python 2.7.5 on
>
> AIX with IBM XL C/C++.
> "configure" and "make" worked well.
> make test is throwing some error and wasn't able to complete
> test_hotshot
> make: 1254-059 The signal code from the last command is 11.
> Stop.
> I've did the make install anyway, tested it with a simple python script
> and it worked.
>
> I've downloaded Samba 4.0.6 and tried it with waf following this wiki:
> https://wiki.samba.org/index.php/Waf#Using_waf_directly
> cd lib/tdb
> waf configure --enable-developer --prefix=$HOME/testprefix
> waf
> waf install
>
> One of the "warning" I've got while running "waf" is that many options are
>
> not supported by IBM XL C/C++ (but probably are by gcc)
> /usr/vacpp/bin/xlc_r: 1501-289 (W) Option -Wall was incorrectly specified.
> The option will be ignored.
> /usr/vacpp/bin/xlc_r: 1501-289 (W) Option -Wshadow was incorrectly
> specified. The option will be ignored.
> /usr/vacpp/bin/xlc_r: 1501-289 (W) Option -Werror=strict-prototypes was
> incorrectly specified. The option will be ignored.
> /usr/vacpp/bin/xlc_r: 1501-289 (W) Option -Wstrict-prototypes was
> incorrectly specified. The option will be ignored.
> /usr/vacpp/bin/xlc_r: 1501-289 (W) Option -Werror=pointer-arith was
> incorrectly specified. The option will be ignored.
> /usr/vacpp/bin/xlc_r: 1501-289 (W) Option -Wpointer-arith was incorrectly
> specified. The option will be ignored.
> /usr/vacpp/bin/xlc_r: 1501-289 (W) Option -Wcast-align was incorrectly
> specified. The option will be ignored.
> /usr/vacpp/bin/xlc_r: 1501-289 (W) Option -Werror=write-strings was
> incorrectly specified. The option will be ignored.
> /usr/vacpp/bin/xlc_r: 1501-289 (W) Option -Wwrite-strings was incorrectly
> specified. The option will be ignored.
> /usr/vacpp/bin/xlc_r: 1501-289 (W) Option
> -Werror-implicit-function-declaration was incorrectly specified. The
> option will be ignored.
> /usr/vacpp/bin/xlc_r: 1501-289 (W) Option -Wformat=2 was incorrectly
> specified. The option will be ignored.
> /usr/vacpp/bin/xlc_r: 1501-289 (W) Option -Wno-format-y2k was incorrectly
> specified. The option will be ignored.
> /usr/vacpp/bin/xlc_r: 1501-289 (W) Option -Wmissing-prototypes was
> incorrectly specified. The option will be ignored.
> /usr/vacpp/bin/xlc_r: 1501-289 (W) Option -Werror=address was incorrectly
> specified. The option will be ignored.
> /usr/vacpp/bin/xlc_r: 1501-289 (W) Option -Wcast-qual was incorrectly
> specified. The option will be ignored.
> /usr/vacpp/bin/xlc_r: 1501-289 (W) Option -Werror=format was incorrectly
> specified. The option will be ignored.
>
> I've did it again but from the samba-4.0.6 directory this time.
> gzip -cd samba-4.0.6.tar.gz |tar xf -
> cd samba-4.0.6
> waf configure --enable-developer --prefix=/usr/local/samba-4.0.6
> waf
> waf install
> I've had the following error while running "waf"
> "../lib/socket/interfaces.c", line 150.42: 1506-045 (S) Undeclared
> identifier IFF_UP.
> "../lib/socket/interfaces.c", line 204.44: 1506-045 (S) Undeclared
> identifier IFF_BROADCAST.
> "../lib/socket/interfaces.c", line 204.58: 1506-045 (S) Undeclared
> identifier IFF_LOOPBACK.
> "../lib/socket/interfaces.c", line 208.51: 1506-045 (S) Undeclared
> identifier IFF_POINTOPOINT.
> Waf: Leaving directory `/usr/src/samba-4.0.6/bin'
> Build failed:  -> task failed (err #1):
>         {task: cc interfaces.c -> interfaces_1.o}
> The problem is probably related to the code itself and not to the waf
> build engine.
> But as this haven't allowed me to complete the build, I don't know if I
> would have any waf issue after that.
>
>
>
> Conclusion
> While I'm not 100% comfortable to see the autoconf build option removed, I
>
> don't have any strong technical argument to be against.
> I would however try to find time with one of the Samba team member to see
> if it would be possible to fix the warnings/errors reported on AIX with
> IBM XL C/C++.
>
>
> Best regards,
>
>
> Yannick Bergeron
> 450 534-7711
> yaberger at ca.ibm.com
> Advisory IT Specialist
>
> Never say never, say "it depends" / Ne jamais dire jamais, dites "ca
> dépend"
>