these errors looks likes the ones I got with KCC (see bugzilla requests 7
and 8). Since compilers are (hopefuly) moving towards the standard, we'll get
more and more problems like this one, so I think it would be better in the long
term to change the code for compliance to the standard.
Laurent
On Wed, 20 Sep 2000, Ralf Corsepius wrote:
> Jonathan Lim wrote:
> >
> > On Wed Sep 20 03:10:18 2000, corsepiu@xxxxxxxxxxxxxx wrote:
> > >
> > > Hi,
> > >
> > > I've just built ovi from CVS on a SuSE-7.0 system (gcc-2.95.2,
> > > lesstif-0.89, XFree-4.0.1).
> > >
> > > Though this didn't work "right out of the box" and required me to
> > > apply a couple of modifications, things now basically seem to work.
> > >
> > > Most of these modifications are adaptations to SuSE's gcc-2.95.2,
> > > which seems to be stricter on c++-pecularities (variable scoping,
> > > const casting etc.) than other c++ compilers.
> > >
> > > In case you're interested, I could send these patches to this list.
> > >
> > > Regards
> > > Ralf
> >
> > Is the compiler returning errors or warnings?
>
> Unfortunately errors (SuSE's gcc-2.95.2 is not identical to the
> original gcc-2.95.2, AFAIK it actually is gcc-2.95.3 + SuSE-specific
> patches).
>
> Example:
>
> A variable scoping related error (include paths are modified to
> reflect my local setup):
>
> apps/demos/noodle # /usr/bin/g++ -DPOSIX_SOURCE
> -D_XOPEN_SOURCE -I/usr/X11R6/LessTif/Motif1.2/include
> -I/usr/X11R6/include -I. -I../../../lib/database/include
> -I../../../lib/interaction/include -I../../../lib/nodekits/include
> -I../../../libSoXt/include -I../../nodes/GeneralizedCylinder -fPIC
> -DNDEBUG -c WorldInfo.c++
> WorldInfo.c++: In method `void WorldInfo::setFileName(char *)':
> WorldInfo.c++:219: implicit declaration of function `int
> strdup(...)'
> WorldInfo.c++:219: assignment to `char *' from `int' lacks a cast
> WorldInfo.c++: In method `void
> WorldInfo::deleteNoodle(GeneralizedCylinder *)':
> WorldInfo.c++:276: name lookup of `objInd' changed for new ANSI
> `for' scoping
> WorldInfo.c++:268: using obsolete binding at `objInd'
>
>
> Adding -D_XOPEN_SOURCE_EXTENDED to get strdup() from glibc, because
> it declares strdup conditionally (glibc-2.1.3-153, SuSE-rpm)
>
> apps/demos/noodle # /usr/bin/g++ -DPOSIX_SOURCE
> -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED
> -I/usr/X11R6/LessTif/Motif1.2/include -I/usr/X11R6/include -I.
> -I../../../lib/database/include -I../../../lib/interaction/include
> -I../../../lib/nodekits/include -I../../../libSoXt/include
> -I../../nodes/GeneralizedCylinder -fPIC -DNDEBUG -c WorldInfo.c++
> WorldInfo.c++: In method `void
> WorldInfo::deleteNoodle(GeneralizedCylinder *)':
> WorldInfo.c++:276: name lookup of `objInd' changed for new ANSI
> `for' scoping
> WorldInfo.c++:268: using obsolete binding at `objInd'
>
> Now adding -fno-for-scope:
> apps/demos/noodle # /usr/bin/g++ -fno-for-scope -DPOSIX_SOURCE
> -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED
> -I/usr/X11R6/LessTif/Motif1.2/include -I/usr/X11R6/include -I.
> -I../../../lib/database/include -I../../../lib/interaction/include
> -I../../../lib/nodekits/include -I../../../libSoXt/include
> -I../../nodes/GeneralizedCylinder -fPIC -DNDEBUG -c WorldInfo.c++
>
> > Some of the problems can be avoided by using the right options,
> Of cause (cf. above), but ... I prefer fixing the cause instead of
> playing with compiler options.
>
> > which is preferable to making changes in a
> > whole lot of source files.
>
> Understandable :)
>
> FYI: I also had to adapt several rpm and installation path related
> portions, because SuSE uses different paths than RH (eg.
> /usr/share/man instead of /usr/man,
> /usr/share/doc/packages/<package> instead of /usr/doc/<package>,
> /usr/src/packages instead of /usr/src/redhat).
>
> Ralf
> --
> Ralf Corsepius
> Forschungsinstitut fuer Anwendungsorientierte Wissensverarbeitung
> (FAW)
> Helmholtzstr. 16, 89081 Ulm, Germany Tel: +49/731/501-8690
> mailto:corsepiu@xxxxxxxxxxxxxx FAX: +49/731/501-999
> http://www.faw.uni-ulm.de
>
|