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# - Find libxc
# Find libxc through pkg-config
#
# Copyright 2009-2021 The VOTCA Development Team (http://www.votca.org)
#
# Libxc_INCLUDE_DIRS - where to find libxc headers.
# Libxc_LIBRARIES - List of libraries when used by libxc.
# Libxc_FOUND - True if all libxc componets were found.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
find_package(PkgConfig)
if(COMMAND set_package_properties)
set_package_properties(PkgConfig PROPERTIES TYPE RECOMMENDED PURPOSE "Used to detect libxc package")
endif()
pkg_check_modules(PC_Libxc libxc)
find_path(Libxc_INCLUDE_DIR xc.h HINTS ${PC_Libxc_INCLUDE_DIRS})
find_library(Libxc_LIBRARY NAMES xc HINTS ${PC_Libxc_LIBRARY_DIRS} )
include(FindPackageHandleStandardArgs)
# handle the QUIETLY and REQUIRED arguments and set FFTW3_FOUND to TRUE
# if all listed variables are TRUE
find_package_handle_standard_args(Libxc REQUIRED_VARS Libxc_INCLUDE_DIR Libxc_LIBRARY)
if(Libxc_FOUND)
set(Libxc_LIBRARIES ${Libxc_LIBRARY})
set(Libxc_INCLUDE_DIRS ${Libxc_INCLUDE_DIR})
if(NOT Libxc::xc)
add_library(Libxc::xc UNKNOWN IMPORTED)
set_target_properties(Libxc::xc PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${Libxc_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES "${Libxc_INCLUDE_DIRS}")
endif()
endif()
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