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spclibs/cmake/FindPETSc.cmake
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FindPETSc.cmake
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#
# @file FindPETSc.cmake
#
# @brief
#
# @copyright
# Copyright (©) 2021 EPFL (Ecole Polytechnique Fédérale de Lausanne)
# SPC (Swiss Plasma Center)
#
# SPClibs 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.
#
# SPClibs 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 General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
# @author
# (in alphabetical order)
# @author Nicolas Richart <nicolas.richart@epfl.ch>
#
# - Try to find PETSc
# PETSC_FOUND - system has PETSc
# PETSC_INCLUDE_DIRS - the PETSc include directories
# PETSC_LIBRARIES - Link these to use PETSc
# PETSC_VERSION - Version string (MAJOR.MINOR.SUBMINOR)
if(PETSc_FIND_REQUIRED)
find_package(PkgConfig REQUIRED)
else()
find_package(PkgConfig QUIET)
if(NOT PKG_CONFIG_FOUND)
return()
endif()
endif()
pkg_search_module(_petsc PETSc)
# Some debug code
#get_property(_vars DIRECTORY PROPERTY VARIABLES)
#foreach(_var ${_vars})
# if ("${_var}" MATCHES "^_petsc")
# message("${_var} -> ${${_var}}")
# endif()
#endforeach()
if(_petsc_FOUND AND _petsc_VERSION)
set(PETSC_VERSION ${_petsc_VERSION})
endif()
if(_petsc_FOUND)
set(_petsc_libs)
foreach(_lib ${_petsc_LIBRARIES})
string(TOUPPER "${_lib}" _u_lib)
find_library(PETSC_LIBRARY_${_u_lib} ${_lib} PATHS ${_petsc_LIBRARY_DIRS})
list(APPEND _petsc_libs ${PETSC_LIBRARY_${_u_lib}})
mark_as_advanced(PETSC_LIBRARY_${_u_lib})
endforeach()
if (NOT _petsc_INCLUDE_DIRS)
pkg_get_variable(_petsc_INCLUDE_DIRS ${_petsc_MODULE_NAME} includedir)
#message(${_petsc_INCLUDE_DIRS})
endif()
find_path(PETSC_Fortran_INCLUDE_DIRS "finclude/petsc.h"
PATHS ${_petsc_INCLUDE_DIRS}/petsc
NO_CMAKE_PATH
NO_DEFAULT_PATH
)
set(PETSC_LIBRARIES ${_petsc_libs} CACHE FILEPATH "")
set(PETSC_INCLUDE_DIRS ${_petsc_INCLUDE_DIRS} CACHE PATH "")
add_library(petsc::petsc INTERFACE IMPORTED)
set_property(TARGET petsc::petsc PROPERTY INTERFACE_LINK_LIBRARIES ${PETSC_LIBRARIES})
set_property(TARGET petsc::petsc PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${PETSC_INCLUDE_DIRS})
add_library(petsc::petscf INTERFACE IMPORTED)
target_link_libraries(petsc::petscf INTERFACE petsc::petsc)
set_property(TARGET petsc::petscf PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${PETSC_Fortran_INCLUDE_DIRS})
endif()
include (FindPackageHandleStandardArgs)
find_package_handle_standard_args(PETSc
REQUIRED_VARS PETSC_LIBRARIES PETSC_INCLUDE_DIRS
VERSION_VAR PETSC_VERSION)
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