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[Michael Matz]

Hi,

On Wed, 10 Apr 2002, Nikolas Zimmermann wrote:

> > > To detect wheter it's installed or not.
> >
> > We also don't do this for e.g. libxml, we just install it.  We provide (by
> > the above ADD_MODULE's) --with-blabla switches to configure (defaulting to
> > yes) so the user can choose which modules from kdesupport he wants.  This
> > is enough.
> I meant to detect in kdelibs/* if kdesupport/libart is installed or not..

Ohh, I see.  Just add something like

kde_save_LIBS="$LIBS"
LIBS="$LIBS -lwhatever-is-needed-for-libart"
AC_CHECK_LIB(libart, a_function_defined_in_libart,
 [libart_exists=yes;
  AC_DEFINE(HAVE_LIBART, 1, [Define if you want to use libart])
  other shell code perhaps setting LIBART, and AC_SUBST it.;
 ], libart_exists=no)
LIBS="$kde_save_LIBS"

into an appropriate configure.in.in (I guess kdecore/configure.in.in is
good).  If you want to check for the exact version of libart, or if it
contains your patches, a larger test is needed.  I suggest to first get it
working in principle, with kdesupport/libart.  Then you can #ifdef out all
code using libart based on that HAVE_LIBART preprocessor symbol.  This
needs to be done, so the API doesn't change if libart is available or not.
And after that we can refine the test for libart.


Ciao,
Michael.