Re: AM_PATH_GTK_2_0 fails for c++ programs

[rsteinke w-link net]

> From: Owen Taylor <otaylor redhat com>
>
> rsteinke w-link net writes:
>
> > From: ERDI Gergo <cactus cactus rulez org>
> > >
> > > On Sat, 23 Mar 2002 rsteinke w-link net wrote:
> > >
> > > > It seems like the fix could simply set CXXFLAGS as well
> > > > as CFLAGS. I'm not sure if the m4 file is dynamically
> > > > generated, though, so I don't know where to put the fix.
> > >
> > > no, it should push/pop the C language before/after doing the test.
> > 
> > It's failing to do that, though.
>
> Would you have the time to try making patches for glib-2.0.m4 and
> gtk+-2.0.m4 that use:
>
>  AC_LANG_SAVE
>  AC_LANG_C
>  
>  AC_LANG_RESTORE
>
> and test them?

There appears to be an additional complication with this method.

If -l flags for C++ libraries have been added to $LIBS
before the check for gtk, doing

$LIBS="$LIBS $GTK_LIBS$"

causes it to fail under AC_LANG_C. However, not including
$LIBS doesn't allow people to pass -L options.

Ron