[CMake] providing library information, what's the cmake way

[David Cole]

On Wed, Nov 24, 2010 at 6:57 AM, Rolf Eike Beer <eike at sf-mail.de> wrote:
>> In KDE we have a macro MACRO_WRITE_BASIC_CMAKE_VERSION_FILE() which helps
>> with
>> creating a basic version-info file which should be installed along with
>> the
>> Config-file.
>> It consists of MacroWriteBasicCMakeVersionFile.cmake and
>> BasicFindPackageVersion.cmake.in which you can find in
>> http://websvn.kde.org/trunk/KDE/kdelibs/cmake/modules/ .
>
> I wonder why you use
>
> get_filename_component(_currentListFileDir ${CMAKE_CURRENT_LIST_FILE} PATH)
>
> in there instead of CMAKE_CURRENT_LIST_DIR.
>
> Eike
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Probably because CMAKE_CURRENT_LIST_DIR was just invented and is only
in CMake 2.8.3... get_filename_component works with several versions
of CMake, and does not require 2.8.3 or later.