[CMake] xlC / HAVE_GETHOSTBYNAME_R_6 (Was Re: CMake 2.8.0 RC 1 ready for testing!)

[Brad King]

Mathieu Malaterre wrote:
> The 32bits xlC is now perfectly clean, congrats !

Great!

> A couple of warnings that's all:
> http://www.cdash.org/CDash/viewBuildError.php?type=1&buildid=439244

Warnings in system headers are always a pain.  Can you please
investigate options to turn them off?

> However, there are still two issues remaining with xlC -q64 (64bits
> compilation) :
> http://www.cdash.org/CDash/viewTest.php?onlyfailed&buildid=439310
> 
> I do not understand what I need to adjust to get the path right, for instance:
> 
>> file /usr/lib/qt3/lib/libqt-mt.so.3.3.7
> /usr/lib/qt3/lib/libqt-mt.so.3.3.7: ELF 32-bit MSB shared object,
> PowerPC or cisco 4500, version 1 (SYSV), stripped
>> file /usr/lib/qt3/lib64/libqt-mt.so.3.3.7
> /usr/lib/qt3/lib64/libqt-mt.so.3.3.7: ELF 64-bit MSB shared object,
> cisco 7500, version 1 (SYSV), stripped

Are the binaries built with RPATH?  Are they linking to the right
one in the first place?

-Brad