On Wed, Mar 26, 2003 at 09:09:39PM +0100, Diether Knof wrote:
> On Wed, Mar 26, 2003 at 10:29:51AM -0500, Daniel Jacobowitz wrote:
> > On Wed, Mar 26, 2003 at 01:31:28PM +0100, Diether Knof wrote:
> > > Package: gcc-3.2
> > > Version: 3.2.1-0pre3
> > >
> > > When I use gcc-3.2 with the -MM option for the dependencies, I also get
> > > dependencies of the gtk libraries, which I include from the system. I
> > > think, gcc does not look at the include directories, included with '-I'
> > > ('gtk-config --cflags' outputs '-I/usr/include/gtk-1.2
> > > -I/usr/include/glib-1.2 -I/usr/lib/glib/include -I/usr/X11R6/include').
> > > With the version 3.0 and 2.95 everything works fine.
> >
> > >From the documentation:
> > `-MM'
> > Like `-M' but do not mention header files that are found in system
> > header directories, nor header files that are included, directly
> > or indirectly, from such a header.
> >
> > This implies that the choice of angle brackets or double quotes in
> > an `#include' directive does not in itself determine whether that
> > header will appear in `-MM' dependency output. This is a slight
> > change in semantics from GCC versions 3.0 and earlier.
> Thanks, I just invoked 'man gcc' and got the documentation for gcc-2.95.
> Do you know, why this has changed? For me, it does not make sense.
Some projects use -I../local and <foolocal.h>. For them, the old
behavior didn't make sense.
Can't satisfy everyone if they won't give the compiler enough
information to decide.
--
Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer
