library dependency implementation

[Jarosław Staniek]

Ralf Habacker said the following, On 2005-10-25 18:01:

> Hi all, 
> 
> I like to know some suggestions for the bksys implementation relating to the 
> subject. The background: 
> 
> genobj classes provides the lib and libpaths attribute for selecting required 
> external and internal libraries.  There are platform depending forms like 
> 
> obj.libs = '../kdecore/libkdecore.a' 

BTW, First issue, there's one more platform-dependent thing hardcoded: 'lib' 
prefix. Easily removable.

> 
> and platform independent forms like 
> 
> obj.libs = '../kdecore/libkdecore.la' 
> 
> (because la files are now also available for static libs)
> 
> another form is using libs and libpaths
> 
> 
> obj.libpaths = 'path another_path'
> obj.libs = 'lib1 lib2'
> 
> All this attributes are used for the link line and the linker checks all 
> obj.libpaths for libraries specified in obj.libs. 
> 
> For several reasons it is required for bksys to know the exact path of a given 
> library and the above mentioned form requires to scan all given pathes for 
> shared and static libraries or la files to detect what to do which this 
> library. 
> 
> This relates to the whole-archive linker option, which is required to include 
> static libraries into a shared library using gcc/ld. To use this option the 
> absolute path of the static library is required and could be retrieved from 
> the relating la file. 

BTW, I guess you didn't mean cases like kde-ice, and kde3support? These are 
compiled in one go without static-libraries hack. What cases do you have in 
mind then?

-- 
regards / pozdrawiam,
  Jaroslaw Staniek / OpenOffice Polska
  Kexi Developer:
      http://www.kexi-project.org | http://koffice.org/kexi
  KDE3, KDE4 libraries for developing MS Windows applications:
      http://wiki.kde.org/tiki-index.php?page=KDElibs+for+win32