[Gmsh] Link C++ code to gmsh
Martin Vymazal
martin.vymazal at vki.ac.be
Fri Nov 18 20:43:22 CET 2011
Dear gmsh users and developers,
I'd like to write a little c++ driver that calls gmsh for
(re-)meshing of some simple geometries. I have gmsh installed in
/opt/gmsh and I wrote this cmake file:
cmake_minimum_required(VERSION 2.8)
project(gmshdriver C CXX)
set(GMSH_ROOT /opt/gmsh)
if ( DEFINED GMSH_ROOT)
find_path( GMSH_INCLUDE_DIR Gmsh.h PATHS ${GMSH_ROOT}/include/gmsh
NO_DEFAULT_PATH )
endif()
find_path( GMSH_INCLUDE_DIR Gmsh.h )
include_directories( ${GMSH_INCLUDE_DIR} )
find_library( GMSH_LIB NAMES Gmsh PATHS ${GMSH_ROOT}/lib )
add_executable(test src/main.cpp)
target_link_libraries( test ${GMSH_LIB} )
I'm a wondering if this is sufficient in case I call gmsh functions
which require third-party functionality (petsc, OpenCascade etc). I
expect to run into linking problems.
One solution would be to modify the CMakeLists.txt of gmsh and add a
subdirectory with my sources. Then I'll have access to cmake variables
like ${EXTERNAL_LIBRARIES} and ${EXTERNAL_INCLUDES}.
Can you tell me what's the best way to do this? Any comments,
suggestions or sample CMake files are welcome. Thank you very much.
Best regards,
Martin Vymazal
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