[petsc-users] Can not configure PETSc-master with clang-3.9

[Satish Balay]

Ok - this is not clang from apple. So I guess it needs that extra 'xcode-select --install'

I don't think gcc from brew needed this. [And I don't remember if I checked clang from brew]

Satish


On Mon, 16 Oct 2017, Kong, Fande wrote:

> On Mon, Oct 16, 2017 at 12:07 PM, Satish Balay <balay at mcs.anl.gov> wrote:
> 
> > BTW: Which clang are you using?
> >
> > mpicc -show
> >
> 
> 
> 
> mpicc -show
> 
> clang -Wl,-commons,use_dylibs
> -I/opt/moose/mpich/mpich-3.2/clang-opt/include
> -L/opt/moose/mpich/mpich-3.2/clang-opt/lib -lmpi -lpmpi
> 
> 
> 
> > mpicc --version
> >
> 
> mpicc -v
> 
> mpicc for MPICH version 3.2
> clang version 3.9.0 (tags/RELEASE_390/final)
> Target: x86_64-apple-darwin16.7.0
> Thread model: posix
> InstalledDir: /opt/moose/llvm-3.9.0/bin
> clang-3.9: warning: argument unused during compilation: '-I
> /opt/moose/mpich/mpich-3.2/clang-opt/include'
> 
> 
> I guess because we are using a customize installation of clang.
> 
> 
> Fande,
> 
> 
> >
> > Satish
> >
> > On Mon, 16 Oct 2017, Satish Balay wrote:
> >
> > > Thats weird.
> > >
> > > From what I can recall - some tools (like pgi compilers) need this -
> > > but the xcode compilers do not.
> > >
> > > Basically xcode clang can pick up includes from the xcode specific
> > > location - but other tools look for includes in /usr/incldue
> > >
> > > And 'xcode-select --install' adds the /usr/include etc links.
> > >
> > > Satish
> > >
> > >
> > > On Mon, 16 Oct 2017, Kong, Fande wrote:
> > >
> > > > Now it is working. It turns out I need to do something like
> > "xcode-select
> > > > --install" after upgrading OS, and of course we need to agree the
> > license.
> > > >
> > > >
> > > > Fande,
> > > >
> > > > On Mon, Oct 16, 2017 at 10:58 AM, Richard Tran Mills <rtmills at anl.gov>
> > > > wrote:
> > > >
> > > > > Fande,
> > > > >
> > > > > Did you remember to agree to the XCode license after your upgrade,
> > if you
> > > > > did an XCode upgrade? You have to do the license agreement again,
> > otherwise
> > > > > the compilers don't work at all. Apologies if this seems like a
> > silly thing
> > > > > to ask, but this has caused me a few minutes of confusion before.
> > > > >
> > > > > --Richard
> > > > >
> > > > > On Mon, Oct 16, 2017 at 9:52 AM, Jed Brown <jed at jedbrown.org> wrote:
> > > > >
> > > > >> "Kong, Fande" <fande.kong at inl.gov> writes:
> > > > >>
> > > > >> > Hi All,
> > > > >> >
> > > > >> > I just upgraded  MAC OS, and also updated all other related
> > packages.
> > > > >> Now
> > > > >> > I can not configure PETSc-master any more.
> > > > >>
> > > > >> Your compiler paths are broken.
> > > > >>
> > > > >> /var/folders/6q/y12qpzw12dg5qx5x96dd5_bhtzr4_y/T/petsc-
> > > > >> mFgio7/config.setCompilers/conftest.c:3:10: fatal error:
> > 'stdlib.h' file
> > > > >> not found
> > > > >> #include <stdlib.h>
> > > > >>          ^
> > > > >> 1 error generated.
> > > > >>
> > > > >
> > > > >
> > > >
> > >
> > >
> >
> >
>