Re: 01/01: gnu: Add agg.

["Tomáš Čech" <sleep_walker@gnu.org>]

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On Wed, Mar 18, 2015 at 02:09:49PM +0100, Ludovic Courtès wrote:
>Tomas Cech <sleep_walker@suse.cz> skribis:
>
>> commit 87bafa07ae68084819bb2648bd1042c354d11317
>> Author: Tomáš Čech <sleep_walker@gnu.org>
>> Date:   Wed Mar 18 08:57:50 2015 +0100
>>
>>     gnu: Add agg.
>>
>>     * gnu/packages/graphics.scm (agg): New variable.
>>     * gnu/packages/patches/agg-am_c_prototype.patch: New file.
>>     * gnu-system.am (dist_patch_DATA): Add it.
>
>[...]
>
>> +++ b/gnu/packages/patches/agg-am_c_prototype.patch
>> @@ -0,0 +1,10 @@
>> +--- a/configure.in	2015-03-15 18:59:12.557417149 +0100
>> ++++ b/configure.in	2015-03-15 18:59:29.273416518 +0100
>
>Patches must have a comment at the beginning to explain what they do,
>why, and what the upstream status is.

Will do.

>Please pay more attention to these rules before pushing.  In general, I
>would recommend that you wait for some review before pushing.  (This is
>sometimes slow, but hopefully others will help reduce latency,
>hint hint! ;-))

Yeah, I can see what I'm causing lately. I'll relax with pushing.

>
>> +@@ -8,7 +8,6 @@
>> + AC_PROG_CC
>> + AC_PROG_CXX
>> + AC_ISC_POSIX
>> +-AM_C_PROTOTYPES
>> + if test "x$U" != "x"; then
>> +   AC_MSG_ERROR(Compiler not ANSI compliant)
>> + fi
>
>It is best to avoid modifying .ac or .am files because that requires
>adding a dependency on the autotools.]

I will remember that but I'm afraid that in this case there is no
configure in tarball anyway and has to be generated.

>What problem does this patch solve?  I’m confident this can be worked
>around without modifying the .ac file, for instance by passing the right
>ac_cv_ variable as a ‘configure’ argument.


AM_C_PROTOTYPES has been removed from automake.

https://lists.gnu.org/archive/html/automake-patches/2011-06/msg00082.html

and the reconfigure leads to failure:

starting phase `autoreconf'
aclocal: warning: autoconf input should be named 'configure.ac', not 'configure.in'
configure.in:11: error: automatic de-ANSI-fication support has been removed
/gnu/store/2h4lnk22bj479fnr0l2cyx2rvisv9cg7-automake-1.15/share/aclocal-1.15/obsolete.m4:26: AM_C_PROTOTYPES is expanded from...
configure.in:11: the top level

I'd gladly take your recommendation about passing 'the right ac_cv_
variable' on this.

The agg package is old, last it's release was 8 years ago, sourceforge
marked that as '(historical)'. It is unlikely that anyone would accept
patch.

The only reason I spent time on it is because it is required
dependency for GNU Gnash.


Thanks for review.

Best regards,

S_W

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