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FindGMSH.cmake
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#===============================================================================
# @file FindGMSH.cmake
# @author Nicolas Richart <nicolas.richart@epfl.ch>
# @date Thu Oct 14 13:15:47 2010
#
# @brief Find gmsh and delacre the add_mesh macro
#
# @section LICENSE
#
# <insert license here>
#
#===============================================================================
find_program(GMSH gmsh
DOC "The mesh generetor gmsh")
find_package(PackageHandleStandardArgs)
find_package_handle_standard_args(GMSH DEFAULT_MSG GMSH)
#===============================================================================
macro(PARSE_ARGUMENTS prefix arg_names option_names)
set(DEFAULT_ARGS)
foreach(arg_name ${arg_names})
set(${prefix}_${arg_name})
endforeach(arg_name)
foreach(option ${option_names})
set(${prefix}_${option} FALSE)
endforeach(option)
set(current_arg_name DEFAULT_ARGS)
set(current_arg_list)
foreach(arg ${ARGN})
set(larg_names ${arg_names})
list(FIND larg_names "${arg}" is_arg_name)
if (is_arg_name GREATER -1)
set(${prefix}_${current_arg_name} ${current_arg_list})
set(current_arg_name ${arg})
set(current_arg_list)
else (is_arg_name GREATER -1)
set(loption_names ${option_names})
list(FIND loption_names "${arg}" is_option)
if (is_option GREATER -1)
set(${prefix}_${arg} TRUE)
else (is_option GREATER -1)
set(current_arg_list ${current_arg_list} ${arg})
endif (is_option GREATER -1)
endif (is_arg_name GREATER -1)
endforeach(arg)
set(${prefix}_${current_arg_name} ${current_arg_list})
endmacro(PARSE_ARGUMENTS)
#===============================================================================
macro(ADD_MESH MESH_TARGET GEO_FILE DIM ORDER)
if(GMSH_FOUND)
set(arguments
${MESH_TARGET} ${GEO_FILE} ${DIM} ${ORDER}
${ARGN}
)
parse_arguments(ADD_MESH
"OUTPUT"
${arguments}
)
set(_geo_file ${CMAKE_CURRENT_SOURCE_DIR}/${GEO_FILE})
if(ADD_MESH_OUTPUT)
set(_msh_file ${CMAKE_CURRENT_BINARY_DIR}/${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)
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} ${_geo_file} 2>&1 > /dev/null
)
add_custom_target(${MESH_TARGET}
DEPENDS ${_msh_file})
else(EXISTS ${_geo_file})
message(FATAL_ERROR "File ${_geo_file} not found")
endif(EXISTS ${_geo_file})
endif(GMSH_FOUND)
endmacro(ADD_MESH)
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