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Re: 1.8.0 build problem on Solaris Sparc using gcc

From: Branko Čibej <brane_at_wandisco.com>
Date: Thu, 20 Jun 2013 22:38:11 +0200

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.

-- Brane

-- 
Branko Čibej | Director of Subversion
WANdisco // Non-Stop Data
e. brane_at_wandisco.com
Received on 2013-06-20 22:38:44 CEST

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