[petsc-users] Cannot find a C preprocessor OSX

[Satish Balay]

Or you can workarround by using additional PETSc configure option:

CPPFLAGS=-Qunused-arguments
[or CFLAGS?]

Satish


On Fri, 18 Mar 2016, Satish Balay wrote:

> your mpicc is barfing stuff on stderr - thus confusing petsc configure.
> 
> I don't see this issue with the old openmpi I have access to..
> 
> What do you have for:
> 
> /Users/davydden/spack/opt/spack/darwin-x86_64/clang-7.0.2-apple/openmpi-1.10.2-37xieeupgsteaq6btru6wmhxfi44xqtn/bin/mpicc -show
> touch foo.c
> /Users/davydden/spack/opt/spack/darwin-x86_64/clang-7.0.2-apple/openmpi-1.10.2-37xieeupgsteaq6btru6wmhxfi44xqtn/bin/mpicc -c foo.c -show
> 
> I'm not sure what to suggest.. Perhaps you can use --download-mpich
> [or --download-openmpi] - but then I see you are building all these
> packages using spack - so perhaps you should check with 'spack' folk..
> 
> Satish
> 
> ---------
> 
> Executing: /Users/davydden/spack/opt/spack/darwin-x86_64/clang-7.0.2-apple/openmpi-1.10.2-37xieeupgsteaq6btru6wmhxfi44xqtn/bin/mpicc -c -o /var/folders/5k/sqpp24tx3ylds4fgm13pfht00000gn/T/petsc-8RPaEA/config.setCompilers/conftest.o -I/var/folders/5k/sqpp24tx3ylds4fgm13pfht00000gn/T/petsc-8RPaEA/config.setCompilers   /var/folders/5k/sqpp24tx3ylds4fgm13pfht00000gn/T/petsc-8RPaEA/config.setCompilers/conftest.c
> Possible ERROR while running compiler:
> stderr:
> clang: warning: argument unused during compilation: '-L/Users/davydden/spack/opt/spack/darwin-x86_64/clang-7.0.2-apple/boost-1.60.0-eo7nn3v27nxa7lxqv5tttjzikshwt56i/lib'
> clang: warning: argument unused during compilation: '-L/Users/davydden/spack/opt/spack/darwin-x86_64/clang-7.0.2-apple/bzip2-1.0.6-leelnsg3humpngfeofkrdpgtsofrm5ya/lib'
> clang: warning: argument unused during compilation: '-L/Users/davydden/spack/opt/spack/darwin-x86_64/clang-7.0.2-apple/openmpi-1.10.2-37xieeupgsteaq6btru6wmhxfi44xqtn/lib'
> clang: warning: argument unused during compilation: '-L/Users/davydden/spack/opt/spack/darwin-x86_64/clang-7.0.2-apple/hwloc-1.11.2-pxsmp4nhfdjc3jb7odj5lhppu7wqna5b/lib'
> clang: warning: argument unused during compilation: '-L/Users/davydden/spack/opt/spack/darwin-x86_64/clang-7.0.2-apple/libpciaccess-0.13.4-erc6tr3ghndi5ed3gbj6wtvw6zl4vobf/lib'
> clang: warning: argument unused during compilation: '-L/Users/davydden/spack/opt/spack/darwin-x86_64/clang-7.0.2-apple/zlib-1.2.8-cyvcqvrzlgurne424y55hxvfucvz2354/lib'
> clang: warning: argument unused during compilation: '-L/Users/davydden/spack/opt/spack/darwin-x86_64/clang-7.0.2-apple/hdf5-1.8.16-diujq2w7ew4qviquh67b3lkcqsxtf77y/lib'
> clang: warning: argument unused during compilation: '-L/Users/davydden/spack/opt/spack/darwin-x86_64/clang-7.0.2-apple/hypre-2.10.1-4kql32qmjpp7ict2qczkyyv6a4mbrgbl/lib'
> clang: warning: argument unused during compilation: '-L/Users/davydden/spack/opt/spack/darwin-x86_64/clang-7.0.2-apple/openblas-0.2.16-qplsxnxlbaqnz2iltdo7fdhlayvuaxel/lib'
> clang: warning: argument unused during compilation: '-L/Users/davydden/spack/opt/spack/darwin-x86_64/clang-7.0.2-apple/metis-5.1.0-i5y5b6r5ca4f77u5tketagpkn6joxasp/lib'
> clang: warning: argument unused during compilation: '-L/Users/davydden/spack/opt/spack/darwin-x86_64/clang-7.0.2-apple/ncurses-6.0-sabhdwxbdbbapfo6wodglfmyo6u3c3hj/lib'
> clang: warning: argument unused during compilation: '-L/Users/davydden/spack/opt/spack/darwin-x86_64/clang-7.0.2-apple/openssl-1.0.2g-answvmhu3lodpmgulgzryygkkimmsn34/lib'
> clang: warning: argument unused during compilation: '-L/Users/davydden/spack/opt/spack/darwin-x86_64/clang-7.0.2-apple/parmetis-4.0.3-auubrjcwhqmqnpoqjwgwgz4bcjnxzunx/lib'
> 
> On Fri, 18 Mar 2016, Denis Davydov wrote:
> 
> > Dear all, 
> > 
> > Although I saw this issue on the mailing list, that was related to broken compilers, i don’t think it’s the case here as `mpicc -E` seems to be ok.
> > Log is attached.
> > 
> > Kind regards,
> > Denis 
> > 
> > 
>