Issue compiling on snow leopard

[Matthew Knepley]

Barry is correct. I wanted to note that this is fixed in petsc-dev.

  Matt

On Fri, Sep 18, 2009 at 4:21 AM, David Colignon <David.Colignon at ulg.ac.be>wrote:

> Hi,
>
> I already have had the same kind of problem and here is the answer I got
> from Barry Smith :
>
>
>   This happens because the BuildSystem inherits the bad feature of autoconf
> that checks for functions
> using the C compiler even when the C++ compiler will be used to actually
> compile the package.
>
> Edit $PETSC_ARCH/include/petscconf.h and remove the lines
>
>
> #ifndef PETSC_HAVE_ISINF
> #define PETSC_HAVE_ISINF 1
> #endif
>
>
> #ifndef PETSC_HAVE_ISNAN
> #define PETSC_HAVE_ISNAN 1
> #endif
>
> DO NOT rerun config/configure.py just do the make all again.
>
>   Barry
>
>
> --
> David Colignon, Ph.D.
> Collaborateur Logistique du F.R.S.-FNRS
> CÉCI - Consortium des Équipements de Calcul Intensif
> ACE - Applied & Computational Electromagnetics
> Sart-Tilman B28
> Université de Liège
> 4000 Liège - BELGIQUE
> Tél: +32 (0)4 366 37 32
> Fax: +32 (0)4 366 29 10
> WWW:    http://hpc.montefiore.ulg.ac.be/
> Agenda:
> http://www.google.com/calendar/embed?src=david.colignon%40gmail.com
>
>
>
>
> Niall Moran wrote:
>
>> Hi,
>>
>> I am trying to compile petsc on snow leopard. I need to have complex
>> support and support for C++. I am using the gcc and g++ compilers that come
>> packaged with the developers tools
>>
>> i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5646)
>> Copyright (C) 2007 Free Software Foundation, Inc.
>> This is free software; see the source for copying conditions.  There is NO
>> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
>> PURPOSE.
>>
>> and the gfortran compiler from http://hpc.sourceforge.net/. The
>> configuration file I am using is
>>
>> #!/usr/bin/env python
>>
>> configure_options = [
>>  '--FFLAGS=-m64',
>>  '--CFLAGS=-m64',
>>  '--CXXFLAGS=-m64',
>>  '--LDFLAGS=-L/usr/lib',
>>  '--with-python=0',
>>  '--with-shared=0',
>>  '--with-dynamic=0',
>>  '--with-mpi-dir=/Users/nmoran/local/openmpi',
>>  '--with-clanguage=C++',
>>  '--with-scalar-type=complex',
>>  '--with-debugging=yes',
>>  '--with-gcov=0'
>>  ]
>>
>> if __name__ == '__main__':
>>  import sys,os
>>  sys.path.insert(0,os.path.abspath('config'))
>>  import configure
>>  configure.petsc_configure(configure_options)
>>
>>
>> I am getting errors that the macros isinf and isnan cannot be found in the
>> scope for various files. The first one listed is src/sys/ftn-custom/zutils.c
>> on the lines
>>
>>  return (PetscTruth) PetscIsInfOrNanScalar(*v);
>> and
>>  return (PetscTruth) PetscIsInfOrNanReal(*v);
>>
>> These macros are defined in /usr/include/architecture/i386/math.h. No
>> errors are found if scalar-type is real. It seems the #include<complex>
>> somehow undefines these macros. I have got petsc to compile by redefining
>> these macros at the top of each of the problem files but this is not a very
>> elegant solution.
>>
>> Regards.
>>
>> Niall.
>>
>
>


-- 
What most experimenters take for granted before they begin their experiments
is infinitely more interesting than any results to which their experiments
lead.
-- Norbert Wiener
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