Re: rpmbuild --rebuiild with config options

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On 08/17/2017 06:10 PM, Amadeus W.M. wrote:
> On Thu, 17 Aug 2017 09:30:11 +0800, Ed Greshko wrote:
> 
>> On 08/17/2017 09:22 AM, Amadeus W.M. wrote:
>>> Actually I compiled, out of curiosity, the tar file that came with the
>>> srpm, with
>>>
>>> ./configure --without-all --with-x-toolkit=no --without-x
>>>
>>> and worked very well. So these are valid options. Don't know why
>>> rpmbuild doesn't like those. It would have been nice to have an rpm but
>>> I'll take what I can.
>>
>>
>> I don't think I was very clear.....
>>
>> Yes, the options are valid for "configure" and you need to pass those
>> options in the rpmbuild command.
>>
>> BUT, the option is preceded by the options of rpmbuild and they are....
>>
>> rpmbuild-options
>>         [--buildroot DIRECTORY] [--clean] [--nobuild]
>>         [--rmsource] [--rmspec] [--short-circuit] [--build-in-place]
>>         [--noprep] [--noclean] [--nocheck]
>>         [--target PLATFORM]
>>         [--with OPTION] [--without OPTION]
>>
>>
>> Soo.......you probably need something like this...
>>
>> rpmbuild --rebuild emacs-25.2-3.fc25.src.rpm --without (a space goes
>> here!!!) without-all
> 
> 
> I tried rpmbuild --rebuild both --with without-all and also --without 
> without-all and it didn't work. I think that would be equivalent to 
> 
> ./configure --with without-all or
> ./configure --without without-all
> 
> respectively. Neither one is valid for configure. I think there's nothing 
> that can be done here.

You have to bugger the spec file to accommodate conditionals. Using the

	rpmbuild ... --with fnork

(note the space between "with" and "fnork) will cause an rpmbuild macro,
"_with_fnork" to be created with the value "--with-fnork". To use this
macro, you have to modify your spec file to something like:

	./configure \
		%{?_with_fnork} \
		--with-somethingelse \
		...

With that change in place in the spec file, had you done

	rpmbuild ... --with fnork

then the configure would have been run as:

	./configure \
		--with-fnork \
		--with-somethingelse \
		...

And if you had NOT included "--with fnork" on the rpmbuild command:

	./configure \
		--with-somethingelse \
		...

The construct "%{?_with_fnork}" in the spec file means "if the macro
'_with_fnork' is defined (via "--with fnork" on the command line), use
its value. Otherwise use null."

There is a parallel using "--without fnork" (creating a "_without_fnork"
macro with the value "--without-fnork"). Yes, it's a bit obtuse. For
the gory details:

	http://rpm5.org/docs/api/conditionalbuilds.html

Hope that helps. rpmbuild and spec files often make my brain bleed--
especially the "%files" section. I'm getting queasy just thinking of it!
----------------------------------------------------------------------
- Rick Stevens, Systems Engineer, AllDigital    ricks@xxxxxxxxxxxxxx -
- AIM/Skype: therps2        ICQ: 226437340           Yahoo: origrps2 -
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-               do their programming."  -- Simon Slavin              -
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