[petsc-users] Cannot find a C preprocessor OSX

[Denis Davydov]

Hi Satish,

I think you have a bug in you config system as "CPPFLAGS=-Qunused-arguments" propagate to fortran compiler even when I try to explicitly specify "FPPFLAGS=" to nothing :

TEST checkFortranCompiler from config.setCompilers(/private/var/folders/5k/sqpp24tx3ylds4fgm13pfht00000gn/T/davydden/spack-stage/spack-stage-jNBTET/petsc-3.6.3/config/BuildSystem/config/setCompilers.py:919)
TESTING: checkFortranCompiler from config.setCompilers(/private/var/folders/5k/sqpp24tx3ylds4fgm13pfht00000gn/T/davydden/spack-stage/spack-stage-jNBTET/petsc-3.6.3/config/BuildSystem/config/setCompilers.py:919)
  Locate a functional Fortran compiler
Checking for program /Users/davydden/spack/opt/spack/darwin-x86_64/clang-7.0.2-apple/openmpi-1.10.2-37xieeupgsteaq6btru6wmhxfi44xqtn/bin/mpif90...found
                Defined make macro "FC" to "/Users/davydden/spack/opt/spack/darwin-x86_64/clang-7.0.2-apple/openmpi-1.10.2-37xieeupgsteaq6btru6wmhxfi44xqtn/bin/mpif90"
                Pushing language FC
Executing: /Users/davydden/spack/opt/spack/darwin-x86_64/clang-7.0.2-apple/openmpi-1.10.2-37xieeupgsteaq6btru6wmhxfi44xqtn/bin/mpif90 -c -o /var/folders/5k/sqpp24tx3ylds4fgm13pfht00000gn/T/petsc-zwyqnZ/config.setCompilers/conftest.o -I/var/folders/5k/sqpp24tx3ylds4fgm13pfht00000gn/T/petsc-zwyqnZ/config.setCompilers  -Qunused-arguments /var/folders/5k/sqpp24tx3ylds4fgm13pfht00000gn/T/petsc-zwyqnZ/config.setCompilers/conftest.F 
Possible ERROR while running compiler: exit code 256
stderr:
gfortran: error: unrecognized command line option '-Qunused-arguments’

Kind regards,
Denis 

> On 18 Mar 2016, at 19:13, Satish Balay <balay at mcs.anl.gov> wrote:
> 
> 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 
>>> 
>>> 
>> 

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