dolfin team mailing list archive

["Garth N. Wells" <g.n.wells@xxxxxxxxxxxxxxx>]

Quoting Anders Logg <logg@xxxxxxxxx>:

> On Tue, Oct 11, 2005 at 02:10:39PM +0200, Johan Jansson wrote:
> > On Tue, Oct 11, 2005 at 01:58:27PM +0200, Garth N. Wells wrote:
> > > Cywin is already detected in configure.ac in order to add cygwin-specific
> flags
> > > to CXXFlAGS. Is it possible to disbale a flag without redefining
> CXXFLAGS?
> > > 
> > > Garth 
> > > 
> > 
> > Ah, I see. Maybe something like this then?:
> > 
> > # Add '-fPIC' for architectures which can handle it
> > if test `uname -o` != Cygwin; then
> >     echo "adding -fPIC to compiler flags"
> >     CXXFLAGS=$CXXFLAGS' -fPIC '
> > fi
> > 
> > (and remove -fPIC from CXXFLAGS)
> > 
> >   Johan
> 
> If -fPIC is needed only on 64-bit systems, maybe there should be a
> test that checks instead for a 64-bit system?

>From a maintainance point of view, I think that this is better. Define common
flags, then add platform specific flags after.

Garth

> 
> /Anders
> 
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