On Tue, 25 Feb 2014 11:39:38 +0100
Kent-Andre Mardal <[email protected]> wrote:

> On 25 February 2014 11:28, Jan Blechta <[email protected]>
> wrote:
> 
> > On Mon, 24 Feb 2014 19:33:30 +0100
> > Anders Logg <[email protected]> wrote:
> >
> > > On Mon, Feb 24, 2014 at 06:27:29PM +0100, Jan Blechta wrote:
> > > > On Mon, 24 Feb 2014 16:52:18 +0100
> > > > Nico Schlömer <[email protected]> wrote:
> > > >
> > > > > > Shouldn't -std=c++11 be switched for -std=c++0x which is
> > > > > > only recognized by GCC 4.6 in Ubuntu Precise, the latest
> > > > > > long-term release?
> > > > >
> > > > > Just bumped into this as well.
> > > >
> > > > This is already handled in DOLFIN (by CMake), so it is
> > > > desirable to be handled also in UFC. Is it possible, Anders?
> > > > Relevant code is line 10
> > > >
> > > >   CXX_FLAGS = "-std=c++11 " + os.environ.get("CXXFLAGS", "")
> > > >
> > > > in ffc/setup.py
> > >
> > > Sure this can be added, but I don't know how to check for which
> > > flags are suppported. Is there a standard way to check for
> > > supported compiler flags in distutils?
> >
> > It does not seem that there is a systematic way of doing this. What
> > about try/except sequence for flags in [' -std=c++11 ', '
> > -std=c++0x ', ' ']. The latter should work with compilers which
> > support C++0x/11 by default without flags. On fail, we could print
> > out "Your compiler does not seem to support C++0x/11. Otherwise,
> > set environment variable CXX_FLAGS appropriately."
> >
> > In the case that this would need speed-up, try/except loop could be
> > performed with dummy file to detect respective flag.
> >
> > Jan
> >
> 
> 
> This sounds bothersome. Distutils support for C/C++ is really just a
> hack on top of the Python system. Adding to CXX_FLAGS sounds like the
> road to trouble on multiple platforms.  There were good reasons for
> removing Distutils from instant as it was unpredictable at times due
> to our modifications of CXX_FLAGS etc.

So what do you suggest with compiling UFC?

Jan

> 
> Kent
> 
> 
> > >
> > > --
> > > Anders
> > >
> > >
> > > > Jan
> > > >
> > > > > --Nico
> > > > >
> > > > >
> > > > > On Fri, Feb 21, 2014 at 3:44 PM, Jan Blechta
> > > > > <[email protected]> wrote:
> > > > > > Shouldn't -std=c++11 be switched for -std=c++0x which is
> > > > > > only recognized by GCC 4.6 in Ubuntu Precise, the latest
> > > > > > long-term release?
> > > > > >
> > > > > > Jan
> > > > > >
> > > > > >
> > > > > > On Fri, 21 Feb 2014 15:11:05 +0100
> > > > > > Johannes Ring <[email protected]> wrote:
> > > > > >
> > > > > >> On Fri, Feb 21, 2014 at 3:05 PM, Anders Logg
> > > > > >> <[email protected]> wrote:
> > > > > >> > On Fri, Feb 21, 2014 at 03:00:01PM +0100, Johannes Ring
> > > > > >> > wrote:
> > > > > >> >> On Fri, Feb 21, 2014 at 2:15 PM, Anders Logg
> > > > > >> >> <[email protected]> wrote:
> > > > > >> >> > UFC has now been merged into FFC. Some work remains
> > > > > >> >> > to do some cleanup after the merge (mostly merging of
> > > > > >> >> > the documentation), but everything should work now.
> > > > > >> >> > This means that FEniCS users no longer need to
> > > > > >> >> > download and install UFC separately.
> > > > > >> >> >
> > > > > >> >> > Some issues:
> > > > > >> >> >
> > > > > >> >> > - Can we mark the UFC repository as discontinued on
> > > > > >> >> > Bitbucket? Should it be removed?
> > > > > >> >> >
> > > > > >> >> > - How do we handle installation in Dorsal? If we just
> > > > > >> >> > remove the UFC package, then it will work for
> > > > > >> >> > installation from the master branch but will fail for
> > > > > >> >> > download of the latest stable version.
> > > > > >> >>
> > > > > >> >> We can fix this temporarily by setting BUILDCHAIN=cmake
> > > > > >> >> in ufc-stable.package and BUILDCHAIN=nothing in
> > > > > >> >> ufc.package. This will checkout UFC from git but
> > > > > >> >> nothing will be built or installed when
> > > > > >> >> STABLE_BUILD=false. When 1.4 is release, we can remove
> > > > > >> >> the UFC package.
> > > > > >> >
> > > > > >> > Sounds good. Will you fix?
> > > > > >>
> > > > > >> Yes, done.
> > > > > >>
> > > > > >> Johannes
> > > > > >> _______________________________________________
> > > > > >> fenics mailing list
> > > > > >> [email protected]
> > > > > >> http://fenicsproject.org/mailman/listinfo/fenics
> > > > > >
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