[MOAB-dev] Problems with MOABConfig.cmake

[JR Cary]

Hi Vijay,

The problem with the -n appearing everywhere
is that sed on OSX is not gnu sed.  So, on linux:

$ echo foo | sed 's/f/f\n/'
f
oo

But on Darwin

$ echo foo | sed 's/f/f\n/'
fnoo

Thus the code under

install-data-hook:

is invalid on OSX.

I see what you are trying to do.  One way would be
to get all replacements done except PREFIX in MOABConfig.cmake
at configure time, then replace PREFIX at installation time.

With regard to the libaries, keeping that long string of -L's
and -l's may work for now, but cmake does not guarantee that
syntax.  With something like

link_directories(/volatile/moab-master.r5242-ser/lib 
/contrib/netcdf-4.3.2-ser/lib /contrib/hdf5-1.8.13-ser/lib)
set(MOAB_LIBRARY_NAMES MOAB netcdf hdf5_hl hdf5 pthread z dl m)
set(DAGMC_LIBRARY_NAMES dagmc ${MOAB_LIBRARY_NAMES})

CMake will not fail down the road someday.

Best......John





On 11/29/14, 8:04 AM, Vijay S. Mahadevan wrote:
>
> Thanks for the bug report John. We will push a fix to the MOABConfig 
> generation.
>
> We can split the directory and library as separate variables but this 
> follows the autoconf based moab.make that uses the mixed convention. 
> Is there a specific reason why you want them separately? Apps using 
> MOAB should directly use that line to link anyway.
>
> Vijay
>
> On Nov 28, 2014 11:05 PM, "JR Cary" <cary at txcorp.com 
> <mailto:cary at txcorp.com>> wrote:
>
>     Dear moab folks,
>
>     I just configure moab with
>
>     '/Users/cary/projects/dagmcall/moab/configure'
>     --prefix=/volatile/moab-master.r5237-sersh --disable-static
>     --enable-shared CC='/usr/bin/clang' CXX='/usr/bin/clang++'
>     FC='/usr/local/bin/gfortran' F77='/usr/local/bin/gfortran'
>     CXXFLAGS='-stdlib=libstdc++' FFLAGS='-pipe -fPIC' FCFLAGS='-pipe
>     -fPIC' --enable-dagmc --without-vtk
>     --with-hdf5='/contrib/hdf5-1.8.13-sersh'
>
>     on Darwin.  It built and installed, but at the end of the cmake
>     configuration file (lib/MOABConfig.cmake) I see many lines beginning
>     with '-n' and then 'n' at line endings:
>
>     # Library and include defs
>     SET(MOAB_INCLUDE_DIRS "/volatile/moab-master.r5237-sersh/include")
>     -n SET(MOAB_LIBRARIES "
>     -n          -L/contrib/hdf5-1.8.13-sersh/lib
>     -L/volatile/moab-master.r5237-sersh/lib -lMOAB  -lc++ -lpthread
>     -lz -ldl -lm    -lhdf5")n
>     -n SET(DAGMC_LIBRARIES "
>     -n          -L/contrib/hdf5-1.8.13-sersh/lib
>     -L/volatile/moab-master.r5237-sersh/lib -ldagmc -lMOAB -lc++
>     -lpthread -lz -ldl -lm    -lhdf5")n
>
>     This causes any cmake project depending on moab to fail.
>
>     It is also a bit strange, in that in cmake-land, libraries are what
>     is after the -l, and LIBRARY_DIRS are what is after the -L.
>
>     ......John
>

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