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FindGMSH.cmake
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#===============================================================================
# @file FindGMSH.cmake
#
# @author Nicolas Richart <nicolas.richart@epfl.ch>
#
# @date creation: Mon Dec 08 2014
# @date last modification: Tue Jan 19 2016
#
# @brief Find gmsh and delacre the add_mesh macro
#
# @section LICENSE
#
# Copyright (©) 2015 EPFL (Ecole Polytechnique Fédérale de Lausanne) Laboratory
# (LSMS - Laboratoire de Simulation en Mécanique des Solides)
#
# Akantu is free software: you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Akantu. If not, see <http://www.gnu.org/licenses/>.
#
#===============================================================================
find_program(GMSH gmsh
DOC "The mesh generetor gmsh")
mark_as_advanced(GMSH)
find_package(PackageHandleStandardArgs)
find_package_handle_standard_args(GMSH DEFAULT_MSG GMSH)
#===============================================================================
macro(ADD_MESH MESH_TARGET GEO_FILE DIM ORDER)
if(GMSH_FOUND)
set(arguments
${MESH_TARGET} ${GEO_FILE} ${DIM} ${ORDER}
${ARGN}
)
cmake_parse_arguments(ADD_MESH
""
"OUTPUT"
""
${arguments}
)
set(_geo_file ${CMAKE_CURRENT_SOURCE_DIR}/${GEO_FILE})
set(_r_geo_file "${GEO_FILE}")
if(ADD_MESH_OUTPUT)
set(_msh_file ${CMAKE_CURRENT_BINARY_DIR}/${ADD_MESH_OUTPUT})
set(_r_msh_file "${ADD_MESH_OUTPUT}")
else(ADD_MESH_OUTPUT)
get_filename_component(_msh_file "${GEO_FILE}" NAME_WE)
set(_msh_file ${CMAKE_CURRENT_BINARY_DIR}/${_msh_file}.msh)
set(_r_msh_file "${_msh_file.msh}")
endif(ADD_MESH_OUTPUT)
if(EXISTS ${_geo_file})
add_custom_command(
OUTPUT ${_msh_file}
DEPENDS ${_geo_file}
COMMAND ${GMSH}
ARGS -${DIM} -order ${ORDER} -optimize -o ${_msh_file} ${_geo_file} 2>&1 > /dev/null
COMMENT "Generating the ${DIM}D mesh ${_r_msh_file} (order ${ORDER}) form the geometry ${_r_geo_file}"
)
add_custom_target(${MESH_TARGET}
DEPENDS ${_msh_file})
set_target_properties(${MESH_TARGET} PROPERTIES RESSOURCES ${_geo_file})
else(EXISTS ${_geo_file})
message(WARNING
"File ${_geo_file} not found for target ${MESH_TARGET}")
endif(EXISTS ${_geo_file})
endif(GMSH_FOUND)
endmacro(ADD_MESH)
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