[petsc-dev] Trying to get the CMake instructions to work, unsuccessfully

[Satish Balay]

On Wed, 2 Feb 2011, Richard Tran Mills wrote:

> Hi Folks,
> 
> I am attempting to use the CMake stuff that Jed put in place to build PETSc.
> I'm following the instructions currently found at
> http://www.mcs.anl.gov/petsc/petsc-2/developers/index.html:
> 
> > The main reasons for using CMake are parallel builds, dependency analysis,
> > and IDE integration. The following instructions assume that you have CMake
> > version 2.6 or later installed.
> > 
> >    1. Configure as usual with ./configure, provide
> >       --with-cmake=/path/to/cmake if the CMake executable is not in your
> > PATH.
> >    2. Run make in the build directory ($PETSC_DIR/$PETSC_ARCH), the value of
> >       the environment variables is not important.
> > 
> 
> Do these need updating?  Or am I just doing something stupid?  I've run
> configure with '--with-cmake' specified appropriately, and a top-level
> CMakeLists.txt file gets created.  But when I try to run cmake with
> $PETSC_DIR/$PETSC_ARCH as my build directory, I get
> 
> -----
> rmills at ubuntu:~/proj/petsc-dev/ubuntu-gnu_g$ cmake ..

You haeve to use 'make' or 'make -j 4' here - not 'cmake'

I just do: [from petsc-dev]
make -C ubuntu-gnu_g -j 4

Satish


> CMake Error at CMakeLists.txt:4 (include):
>   include could not find load file:
> 
>     /home/rmills/proj/petsc-dev/conf/PETScConfig.cmake
> 
> 
> -- Configuring incomplete, errors occurred!
> -----
> 
> Line 4 of the CMakeLists.txt file attempts
> 
>   include (${PETSc_BINARY_DIR}/conf/PETScConfig.cmake)
> 
> It looks like PETSc_BINARY_DIR should be $PETSC_DIR/$PETSC_ARCH, but just
> $PETSC_DIR is being used.  How is this supposed to be set?  I don't know CMake
> very well, so my apologies if this is a dumb question.
> 
> Thanks,
> Richard
> 
>