Weird... I just did this earlier today and didn't have any trouble... I set 
PETSC_ARCH to "junk"...

What did you modify in Make.common?

Derek

On Apr 10, 2011, at 5:37 PM, Vijay S. Mahadevan wrote:

> Just an update. "Make" came back to bite me because of my arbitrary
> PETSC_ARCH. I had to change Make.common to make this work..
> 
> Vijay
> 
> On Sun, Apr 10, 2011 at 6:29 PM, Vijay S. Mahadevan <[email protected]> wrote:
>> John,
>> 
>> Interestingly that worked ! And for now, I can definitely live with that.
>> 
>> In the long run, it does feel like a hack. But it actually reminds me
>> that slepc configure has the same problem when using an installed
>> version of petsc. There, you need to specify
>> PETSC_ARCH="installed-petsc" for configure to go through. Just drawing
>> parallels..
>> 
>> Anyway thanks for the quick reply.
>> Vijay
>> 
>> On Sun, Apr 10, 2011 at 6:23 PM, John Peterson
>> <[email protected]> wrote:
>>> On Sun, Apr 10, 2011 at 4:14 PM, Vijay S. Mahadevan <[email protected]> 
>>> wrote:
>>>> All,
>>>> 
>>>> While trying to configure libMesh with installed version of petsc and
>>>> slepc, the configure fails. My configure command is
>>>> 
>>>> ./configure --enable-shared=yes --enable-everything
>>>> --enable-2D-only=no --with-cc=icc --with-cxx=icpc --with-fc=ifort
>>>> --enable-petsc  --enable-slepc --enable-pfem --enable-xdr
>>>> --enable-perflog --enable-gzstreams --enable-metis --enable-parmetis
>>>> --enable-tetgen --enable-triangle --enable-gmv -enable-netcdf=no
>>>> --enable-hilbert=no -enable-exodus=no --enable-laspack
>>>> --enable-tracefiles --enable-exceptions --enable-amr
>>>> 
>>>> The error message on stdout is
>>>> 
>>>> checking for /opt/petsc-opt/include/petsc.h... yes
>>>> <<< PETSc disabled.  Please set your "$PETSC_ARCH" environment
>>>> variable correctly. >>>
>>> 
>>> In PETSc 2.x days, we used to give up on trying to configure PETSc if
>>> the user's PETSC_ARCH was not set.
>>> 
>>> Since PETSC_ARCH is no longer needed in PETSc 3, this configure test
>>> needs to be updated.
>>> 
>>> It should work fine if you just set PETSC_ARCH to something, anything
>>> other than the empty string really.
>>> 
>>> If that still doesn't work let us know.
>>> 
>>> --
>>> John
>>> 
>> 
> 
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