Abdelrahman Said
86 lines
2.4 KiB
CMake
86 lines
2.4 KiB
CMake
# https://raw.githubusercontent.com/dune-project/dune-istl/master/cmake/modules/FindARPACK.cmake
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#
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# This file is taken from:
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#
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# DUNE, the Distributed and Unified Numerics Environment
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# GPLv2 licensed
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#
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# .. cmake_module::
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#
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# Module that checks whether ARPACK is available and usable.
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#
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# Variables used by this module which you may want to set:
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#
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# :ref:`ARPACK_ROOT`
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# Path list to search for ARPACK.
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#
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# Sets the following variables:
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#
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# :code:`ARPACK_FOUND`
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# True if ARPACK available.
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#
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# :code:`ARPACK_LIBRARIES`
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# Link against these libraries to use ARPACK.
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#
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# .. cmake_variable:: ARPACK_ROOT
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#
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# You may set this variable to have :ref:`FindARPACK` look
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# for the ARPACK package in the given path before inspecting
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# system paths.
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#
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# look for library, only at positions given by the user
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find_library(ARPACK_LIBRARY
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NAMES "arpack"
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PATHS ${ARPACK_PREFIX} ${ARPACK_ROOT}
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PATH_SUFFIXES "lib" "lib32" "lib64"
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NO_DEFAULT_PATH
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)
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# look for library files, including default paths
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find_library(ARPACK_LIBRARY
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NAMES "arpack"
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PATH_SUFFIXES "lib" "lib32" "lib64"
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)
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# check header usability
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include(CMakePushCheckState)
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cmake_push_check_state()
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# we need if clauses here because variable is set variable-NOTFOUND if the
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# searches above were not successful; without them CMake print errors like:
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# "CMake Error: The following variables are used in this project, but they
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# are set to NOTFOUND. Please set them or make sure they are set and tested
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# correctly in the CMake files."
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if(ARPACK_LIBRARY)
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set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${ARPACK_LIBRARY})
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endif()
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# end of header usability check
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cmake_pop_check_state()
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# behave like a CMake module is supposed to behave
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(
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"ARPACK"
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DEFAULT_MSG
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ARPACK_LIBRARY
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)
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# hide the introduced cmake cached variables in cmake GUIs
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mark_as_advanced(ARPACK_LIBRARY)
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# if headers are found, store results
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if(ARPACK_FOUND)
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set(ARPACK_LIBRARIES ${ARPACK_LIBRARY})
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# log result
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Determing location of ARPACK succeeded:\n"
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"Libraries to link against: ${ARPACK_LIBRARIES}\n\n")
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else()
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# log errornous result
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Determing location of ARPACK failed:\n"
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"Libraries to link against: ${ARPACK_LIBRARIES}\n\n")
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endif()
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