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FindITAPS.cmake
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FindITAPS.cmake
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# - Try to find ITAPS
#
# This will define
#
# ITAPS_FOUND - Requested components were found
# ITAPS_INCLUDES - Includes for all available components
# ITAPS_LIBRARIES - Libraries for all available components
#
# ITAPS_MESH_FOUND - System has iMesh
# ITAPS_MESH_INCLUDES - The iMesh include directory
# ITAPS_MESH_LIBRARIES - Link these to use iMesh
#
# ITAPS_GEOM_FOUND - System has iGeom
# ITAPS_GEOM_INCLUDES - The iGeom include directory
# ITAPS_GEOM_LIBRARIES - Link these to use iGeom
#
# ITAPS_REL_FOUND - System has iRel
# ITAPS_REL_INCLUDES - The iRel include directory
# ITAPS_REL_LIBRARIES - Link these to use iRel
#
# Setting this changes the behavior of the search
# ITAPS_MESH_DEFS_FILE - path to iMesh-Defs.inc
# ITAPS_GEOM_DEFS_FILE - path to iGeom-Defs.inc
# ITAPS_REL_DEFS_FILE - path to iRel-Defs.inc
#
# If any of these variables are in your environment, they will be used as hints
# IMESH_DIR - directory in which iMesh resides
# IGEOM_DIR - directory in which iGeom resides
# IREL_DIR - directory in which iRel resides
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
#
include (FindPackageMultipass)
include (ResolveCompilerPaths)
include (CheckCSourceRuns)
include (FindPackageHandleStandardArgs)
find_program (MAKE_EXECUTABLE NAMES make gmake)
macro (ITAPS_PREPARE_COMPONENT component name)
find_file (ITAPS_${component}_DEFS_FILE ${name}-Defs.inc
HINTS ENV I${component}_DIR
PATH_SUFFIXES lib64 lib)
# If ITAPS_XXX_DEFS_FILE has changed, the library will be found again
find_package_multipass (ITAPS_${component} itaps_${component}_config_current
STATES DEFS_FILE
DEPENDENTS INCLUDES LIBRARIES EXECUTABLE_RUNS)
endmacro ()
macro (ITAPS_GET_VARIABLE makefile name var)
set (${var} "NOTFOUND" CACHE INTERNAL "Cleared" FORCE)
execute_process (COMMAND ${MAKE_EXECUTABLE} -f ${${makefile}} show VARIABLE=${name}
OUTPUT_VARIABLE ${var}
RESULT_VARIABLE itaps_return)
endmacro (ITAPS_GET_VARIABLE)
macro (ITAPS_TEST_RUNS component name includes libraries program runs)
# message (STATUS "Starting run test: ${includes} ${libraries} ${runs}")
multipass_c_source_runs ("${includes}" "${libraries}" "${program}" ${runs})
if (NOT ITAPS_${component}_EXECUTABLE_RUNS)
set (ITAPS_${component}_EXECUTABLE_RUNS "${${runs}}" CACHE BOOL
"Can the system successfully run an ${name} executable? This variable can be manually set to \"YES\" to force CMake to accept a given configuration, but this will almost always result in a broken build." FORCE)
endif ()
endmacro (ITAPS_TEST_RUNS)
macro (ITAPS_REQUIRED_LIBS component name includes libraries_all program libraries_required)
# message (STATUS "trying program: ${program}")
resolve_libraries (_all_libraries "${libraries_all}")
list (GET _all_libraries 0 _first_library)
itaps_test_runs (${component} ${name} "${includes}" "${_first_library};${itaps_rel_libs}" "${program}" ${name}_works_minimal)
if (${name}_works_minimal)
set (${libraries_required} "${_first_library}")
message (STATUS "${name} executable works when only linking to the interface lib, this probably means you have shared libs.")
else ()
itaps_test_runs (${component} ${name} "${includes}" "${_all_libraries};${itaps_rel_libs}" "${itaps_mesh_program}" ${name}_works_extra)
if (${name}_works_extra)
set (${libraries_required} "${_all_libraries}")
message (STATUS "${name} executable requires linking to extra libs, this probably means it's statically linked.")
else ()
message (STATUS "${name} could not be used, maybe the install is broken.")
endif ()
endif ()
endmacro ()
macro (ITAPS_HANDLE_COMPONENT component name program)
itaps_prepare_component ("${component}" "${name}")
if (ITAPS_${component}_DEFS_FILE AND NOT itaps_${component}_config_current)
# A temporary makefile to probe this ITAPS components's configuration
set (itaps_config_makefile "${PROJECT_BINARY_DIR}/Makefile.${name}")
file (WRITE ${itaps_config_makefile}
"## This file was autogenerated by FindITAPS.cmake
include ${ITAPS_${component}_DEFS_FILE}
show :
\t-@echo -n \${\${VARIABLE}}")
itaps_get_variable (itaps_config_makefile I${component}_INCLUDEDIR itaps_includedir)
itaps_get_variable (itaps_config_makefile I${component}_LIBS itaps_libs)
file (REMOVE ${itaps_config_makefile})
find_path (itaps_include_tmp ${name}.h HINTS ${itaps_includedir} NO_DEFAULT_PATH)
set (ITAPS_${component}_INCLUDES "${itaps_include_tmp}" CACHE STRING "Include directories for ${name}")
set (itaps_include_tmp "NOTFOUND" CACHE INTERNAL "Cleared" FORCE)
itaps_required_libs ("${component}" "${name}" "${ITAPS_${component}_INCLUDES}" "${itaps_libs}" "${program}" itaps_${component}_required_libraries)
set (ITAPS_${component}_LIBRARIES "${itaps_${component}_required_libraries}" CACHE STRING "Libraries for ${name}")
mark_as_advanced (ITAPS_${component}_EXECUTABLE_RUNS ITAPS_${component}_LIBRARIES)
endif()
set (ITAPS_${component}_FOUND "${ITAPS_${component}_EXECUTABLE_RUNS}")
endmacro()
itaps_handle_component (MESH iMesh "
/* iMesh test program */
#include <iMesh.h>
#define CHK(err) if (err) return 1
int main(int argc,char *argv[]) {
int err;
iMesh_Instance m;
iMesh_newMesh(\"\",&m,&err,0);CHK(err);
iMesh_dtor(m,&err);CHK(err);
return 0;
}
")
find_path (imesh_include_tmp iMeshP.h HINTS ${ITAPS_MESH_INCLUDES} NO_DEFAULT_PATH)
if (imesh_include_tmp)
set (ITAPS_MESH_HAS_PARALLEL "YES")
else ()
set (ITAPS_MESH_HAS_PARALLEL "NO")
endif ()
set (imesh_include_tmp "NOTFOUND" CACHE INTERNAL "Cleared" FORCE)
set (itaps_rel_libs) # Extra libraries which should only be set when linking with iRel
itaps_handle_component (GEOM iGeom "
/* iGeom test program */
#include <iGeom.h>
#define CHK(err) if (err) return 1
int main() {
int ierr;
iGeom_Instance g;
iGeom_newGeom(\"\",&g,&ierr,0);CHK(ierr);
iGeom_dtor(g,&ierr);CHK(ierr);
return 0;
}
")
if (ITAPS_MESH_FOUND AND ITAPS_GEOM_FOUND) # iRel only makes sense if iMesh and iGeom are found
set (itaps_rel_libs "${ITAPS_MESH_LIBRARIES}" "${ITAPS_GEOM_LIBRARIES}")
itaps_handle_component (REL iRel "
/* iRel test program */
#include <iRel.h>
#define CHK(err) if (err) return 1
int main() {
int ierr;
iRel_Instance rel;
iRel_create(\"\",&rel,&ierr,0);CHK(ierr);
iRel_destroy(rel,&ierr);CHK(ierr);
return 0;
}
")
endif ()
set (ITAPS_INCLUDES)
set (ITAPS_LIBRARIES)
foreach (component REL GEOM MESH)
if (ITAPS_${component}_INCLUDES)
list (APPEND ITAPS_INCLUDES "${ITAPS_${component}_INCLUDES}")
endif ()
if (ITAPS_${component}_LIBRARIES)
list (APPEND ITAPS_LIBRARIES "${ITAPS_${component}_LIBRARIES}")
endif ()
message (STATUS "ITAPS_${component}: ${ITAPS_${component}_INCLUDES} ${ITAPS_${component}_LIBRARIES}")
endforeach()
list (REMOVE_DUPLICATES ITAPS_INCLUDES)
list (REMOVE_DUPLICATES ITAPS_LIBRARIES)
set (ITAPS_FOUND_REQUIRED_COMPONENTS YES)
if (ITAPS_FIND_REQUIRED)
foreach (component ${ITAPS_FIND_COMPONENTS})
if (NOT ITAPS_${component}_FOUND)
set (ITAPS_FOUND_REQUIRED_COMPONENTS NOTFOUND)
endif()
endforeach()
endif()
message (STATUS "ITAPS: ${ITAPS_INCLUDES} ${ITAPS_LIBRARIES}")
find_package_handle_standard_args (ITAPS "ITAPS not found, check environment variables I{MESH,GEOM,REL}_DIR"
ITAPS_INCLUDES ITAPS_LIBRARIES ITAPS_FOUND_REQUIRED_COMPONENTS)