Stephen Kelly wrote:
> Brad King wrote:
>
>> On 5/3/2012 12:02 PM, Stephen Kelly wrote:
>>> * Make set(CMAKE_POSITION_INDEPENDENT_BINARIES True) set the appropriate
>>> flags.
>>
>> This is the right choice IMO, though the variable should just
>> initialize a "POSITION_INDEPENDENT" target property. The target
>> property would then map to the right flag. You'll need to factor
>> out and generalize the CMAKE_SHARED_LIBRARY_${lang}_FLAGS platform
>> information variable:
>>
>>
>
http://cmake.org/gitweb?p=cmake.git;a=blob;f=Modules/Compiler/GNU.cmake;hb=v2.8.8#l24
>>
>> currently used to add -fPIC to compilation of objects in shared
>> libraries. Make its use based on the new property, and simply
>> make the property true by default for shared libraries.
>>
>> -Brad
>
> Ok. Then factoring out how it is set is the first step. Looking at the
> output of 'git grep -i " \?pic\b"' and 'git grep -wi +Z', there are many
> different ways of telling the compiler that we want this property. Most of
> them are ancient unix which I can't test. Should I change those at all?
>
This issue is the subject of a TODO comment in my wip branch on this topic.
https://gitorious.org/~steveire/cmake/steveires-cmake/commits/position-
independent-targets
I'd appreciate feedback on the approach at this point. I will also add tests
before pushing to next.
Thanks,
Steve.
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