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setup_optional.cmake
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setup_optional.cmake
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## ---------------------------------------------------------------------
##
## Copyright (C) 2016 by the layzten authors
##
## This file is part of layzten.
##
## layzten is free software: you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published
## by the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## layzten 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 General Public License
## along with layzten. If not, see <http://www.gnu.org/licenses/>.
##
## ---------------------------------------------------------------------
# adds entries to these things
#
# LAZYTEN_DEPENDENCIES everyone needs these libraries
# LAZYTEN_DEPENDENCIES_DEBUG debug mode needs these extras
# LAZYTEN_DEPENDENCIES_RELEASE release mode needs these extras
# LAZYTEN_DEPENDENCIES_TEST tests need these extra libraries
#
####################
#-- C++ standard --#
####################
if (NOT CMAKE_CXX_STANDARD VERSION_LESS 14)
message(STATUS "Detected C++14 support: Setting LAZYTEN_HAVE_CXX14")
set(LAZYTEN_HAVE_CXX14 ON)
endif()
if (NOT CMAKE_CXX_STANDARD VERSION_LESS 17)
message(STATUS "Detected C++17 support: Setting LAZYTEN_HAVE_CXX17")
set(LAZYTEN_HAVE_CXX17 ON)
endif()
################
#-- ARPACK --#
################
SET(ARPACK_DIR "" CACHE PATH "An optional hint to an ARPACK installation")
disable_feature(arpack)
find_library(
ARPACK_LIBRARY
NAMES arpack
HINTS ${ARPACK_DIR}
PATH_SUFFIXES lib64 lib
)
if(NOT "${ARPACK_LIBRARY}" MATCHES "-NOTFOUND")
message(STATUS "Found ARPACK at ${ARPACK_LIBRARY}")
set(LAZYTEN_DEPENDENCIES ${LAZYTEN_DEPENDENCIES} ${ARPACK_LIBRARY})
enable_feature(arpack)
endif()