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Re: 1.8.0 build problem on Solaris Sparc using gcc

From: Trent Nelson <trent_at_snakebite.org>
Date: Mon, 24 Jun 2013 23:17:57 +0800

On Thu, Jun 20, 2013 at 01:38:11PM -0700, Branko Čibej wrote:
> On 20.06.2013 22:30, Branko Čibej wrote:
> > On 20.06.2013 17:52, Rainer Jung wrote:
> >> 1.8.0 calls gcc with -std=c90. For my Solaris 10 Sparc using gcc 4.7.2
> >> this leads to "_STRICT_STDC" getting defined and then limits.h no longer
> >> defines PATH_MAX. So apr.h bombs out during compile with:
> >>
> >> #error no decision has been made on APR_PATH_MAX for your platform
> >>
> >> Adding e.g. "EXTRA_CPPFLAGS = -D__EXTENSIONS__" fixes on my platform.
> >>
> >> gcc manual as I understand it says -std=c90 and -std=c89 are the same
> >> and both are equivalent to -ansi. Was that intended as a new flag for 1.8.0?
> > The intended flag was -std=c90, yes.
> > You should be able to use just plain CFLAGS= instead of EXTRA_CPPFLAGS=,
> > the problem with initial CFLAGS being overriden should have been fixed.
> >
> >> The flag is set by SVN_CC_MODE_SETUP in build/ac-macros/compiler.m4 and
> >> passes along into CMODEFLAGS in the Makefile.
> > Yup.
> >
> >> On Solaris that means "turn off any non c90 features". If you want all
> >> of the c90 compatible extensions on top of c90, then you need to define
> >> __EXTENSIONS__.
> > Could you provide a patch that does that? I expect the best place would
> > be in the SVN_CC_MODE_SETUP macro in compiler.m4.
>
> By the way, I wouldn't be surprised if this was a problem on HP-UX and
> AIX as well; from what I recall, they used to show similar behaviour.
> Unfortunately I don't have access to any of these platforms to test on.

    Send me your ssh keys and I'll set up Snakebite access for you :-)
    (That goes for any other committers that want access.)

    Current platforms available:

% ./sb
Logged you in from 124.169.107.163.
+------------------------------------------------------------------+
| Available Hosts |
| (Last Update: 2013-06-17 13:19:38Z) |
+------------------------------------------------------------------+
| Alias | OS | Arch | CPUs | RAM | Compilers |
+-------|-------------|----------|--------------|------|-----------+
| a7|AIX 7.1 | PowerPC | 2 @ 1.4GHz| 8GB|xlc121 |
| h2|HP-UX 11iv2 | PA-RISC | 2 @ 875MHz| 8GB|hpacc0395 |
| h3|HP-UX 11iv3 | Itanium2 | 4 @ 1.3GHz| 64GB|hpacc0626 |
| i6|IRIX 6.5.30 | MIPS | 4 @ 500MHz| 4GB|gcc34 |
| s10|Solaris 10 | SPARC | 2 @ 1.2GHz| 8GB|suncc123 |
| s11|Solaris 11 | x64 | 2 @ 2.4GHz| 16GB|suncc123 |
| s9|Solaris 9 | SPARC | 2 @ 900MHz| 8GB|suncc123 |
| t5|Tru64 5.1B | Alpha | 4 @ 667MHz| 7GB|cc65 |
+------------------------------------------------------------------+
Enter alias (^C to exit):

    Doesn't get more exotic than that! (www.snakebite.net for more
    info.)

        Trent.
Received on 2013-06-24 17:18:56 CEST

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