[Fedora-packaging] Macro %{optflags}

[Sergio Belkin]

2011/1/23 Sergio Belkin <sebelk at gmail.com>:
> 2010/9/16 Ralf Corsepius <rc040203 at freenet.de>:
>> On 09/16/2010 03:49 PM, Sergio Belkin wrote:
>>> 2010/9/15 Ralf Corsepius<rc040203 at freenet.de>:
>>>> On 09/15/2010 05:02 PM, Sergio Belkin wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> Does Makefile flags from the tarball overrides %{optflags} ?
>>>>
>>>> This question can't be answered.
>>>>
>>>> %{optflags} and Makefiles actually are entirely unrelated.
>>>>
>>>> How to communicate %{optflags} to Makefiles can vary largely between
>>>> rpm.specs and is part of the job package maintainers are supposed to take
>>>> care of.
>>>>
>>>> Ralf
>>>>
>>>
>>> Well I am really newbie packaging,
>> Everybody is a newbie, somewhere ;)
>>
>>> As rpm command:
>>> rpm --eval "%{optflags}"
>>> -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
>>> -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686
>>> -mtune=atom -fasynchronous-unwind-tables
>>>
>>> but Makefile contains:
>>>
>>> CXXFLAGS=-ansi  -Wall -Wno-deprecated
>>  >
>>> So, what of these flags are commited?
>> To be able to help, you'd have to provide further details about the
>> package you are trying to package, because there are several way to
>> communicate %{optflags} to a package's build-system.
>>
>> E.g.
>>
>> * Plain simple Makefile:
>> Override the make-variable to receive %optflags from the environment at
>> make-time:
>>
>> make CFLAGS="%{optflags}"
>
> It doesn't work.
>
>>
>> * Modern autotools:
>> Pass optflags as args at configure-time:
>> .../configure CFLAGS="%{optflags}"
>
> It doesn't work either.
>
>>
>> * Old autotools:
>> Pass from the environment:
>> CFLAGS="%{optflags}" .../configure
>
> Id above. No way.
>
> I've tried even:
>
> %configure CXXFLAGS="-ansi"
>
> and
>
> make CXXFLAGS="-ansi"
>
>
> It's weird, if I do the same with the tarballs with autotools, always
> prevail those flags submitted by the user at configure&&make time.
>
> and the problem stays here: I  mean default flags always go after my
> custom ones. Is that deliberately from Fedora packaging system?
>
>
>

Well.... at last I did it!

the "trick" is:

%build
export CXXFLAGS="%{optflags} -ansi -Wall -Wno-deprecated"
%configure
make

Hope that helps
-- 
--
Sergio Belkin  http://www.sergiobelkin.com
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