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#!-------------------------------------------------------------------------------------------------!
#! CP2K: A general program to perform molecular dynamics simulations !
#! Copyright 2000-2025 CP2K developers group <https://cp2k.org> !
#! !
#! SPDX-License-Identifier: GPL-2.0-or-later !
#!-------------------------------------------------------------------------------------------------!
# Copyright (c) 2022- ETH Zurich
#
# authors : Mathieu Taillefumier
include(cp2k_utils)
include(FindPackageHandleStandardArgs)
find_package(PkgConfig)
cp2k_set_default_paths(OPENBLAS "OpenBLAS")
if(PKG_CONFIG_FOUND)
pkg_check_modules(CP2K_OPENBLAS IMPORTED_TARGET GLOBAL openblas)
endif()
# try the openblas module of openblas library Maybe we are lucky it is installed
# find_package(OPENBLAS QUIET)
if(NOT CP2K_OPENBLAS_FOUND)
set(CP2K_OPENBLAS64_ROOT ${CP2K_OPENBLAS_ROOT})
set(CP2K_OPENBLA_THREADS_ROOT ${CP2K_OPENBLAS_ROOT})
cp2k_find_libraries(OPENBLAS "openblas")
cp2k_find_libraries(OPENBLAS64 "openblas64")
cp2k_find_libraries(OPENBLAS_THREADS "openblas_threads;openblas_omp")
cp2k_find_libraries(OPENBLAS_THREADS64 "openblas64_threads;openblas64_omp")
endif()
cp2k_include_dirs(OPENBLAS "cblas.h")
# check if found
if(CP2K_OPENBLAS_INCLUDE_DIRS)
find_package_handle_standard_args(
OpenBLAS REQUIRED_VARS CP2K_OPENBLAS_INCLUDE_DIRS
CP2K_OPENBLAS_LINK_LIBRARIES)
else()
find_package_handle_standard_args(OpenBLAS
REQUIRED_VARS CP2K_OPENBLAS_LINK_LIBRARIES)
endif()
# add target to link against
if(CP2K_OPENBLAS_FOUND)
if(NOT TARGET cp2k::BLAS::OpenBLAS::openblas)
add_library(cp2k::BLAS::OpenBLAS::openblas INTERFACE IMPORTED)
endif()
set_property(
TARGET cp2k::BLAS::OpenBLAS::openblas
PROPERTY INTERFACE_LINK_LIBRARIES ${CP2K_OPENBLAS_LINK_LIBRARIES})
if(CP2K_OPENBLAS_INCLUDE_DIRS)
set_property(
TARGET cp2k::BLAS::OpenBLAS::openblas
PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${CP2K_OPENBLAS_INCLUDE_DIRS})
endif()
if(NOT TARGET cp2k::BLAS::OpenBLAS::blas)
add_library(cp2k::BLAS::OpenBLAS::blas ALIAS cp2k::BLAS::OpenBLAS::openblas)
endif()
set(CP2K_BLAS_VENDOR "OpenBLAS")
endif()
# prevent clutter in cache
mark_as_advanced(CP2K_BLAS_VENDOR CP2K_OPENBLAS_FOUND
CP2K_OPENBLAS_LINK_LIBRARIES CP2K_OPENBLAS_INCLUDE_DIRS)
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