### # # @copyright (c) 2009-2014 The University of Tennessee and The University # of Tennessee Research Foundation. # All rights reserved. # @copyright (c) 2012-2016 Inria. All rights reserved. # @copyright (c) 2012-2014 Bordeaux INP, CNRS (LaBRI UMR 5800), Inria, Univ. Bordeaux. All rights reserved. # @copyright (c) 2017 King Abdullah University of Science and Technology. All rights reserved. # ### # # - Find ELPA include dirs and libraries # Use this module by invoking find_package with the form: # find_package(ELPA # [REQUIRED] # Fail with error if elpa is not found # [COMPONENTS ...] # dependencies # ) # # ELPA depends on the following libraries: # - SCALAPACK # # COMPONENTS are optional libraries ELPA could be linked with, # Use it to drive detection of a specific compilation chain # COMPONENTS can be some of the following: # - no components are available for now: maybe PLASMA in the future? # # Results are reported in variables: # ELPA_FOUND - True if headers and requested libraries were found # ELPA_LINKER_FLAGS - list of required linker flags (excluding -l and -L) # ELPA_INCLUDE_DIRS - elpa include directories # ELPA_LIBRARY_DIRS - Link directories for elpa libraries # ELPA_LIBRARIES - elpa libraries # ELPA_INCLUDE_DIRS_DEP - elpa + dependencies include directories # ELPA_LIBRARY_DIRS_DEP - elpa + dependencies link directories # ELPA_LIBRARIES_DEP - elpa libraries + dependencies # # The user can give specific paths where to find the libraries adding cmake # options at configure (ex: cmake path/to/project -DELPA_DIR=path/to/elpa): # ELPA_DIR - Where to find the base directory of elpa # ELPA_INCDIR - Where to find the header files # ELPA_LIBDIR - Where to find the library files # The module can also look for the following environment variables if paths # are not given as cmake variable: ELPA_DIR, ELPA_INCDIR, ELPA_LIBDIR # #============================================================================= # Copyright 2012-2013 Inria # Copyright 2012-2013 Emmanuel Agullo # Copyright 2012-2013 Mathieu Faverge # Copyright 2012 Cedric Castagnede # Copyright 2013-2016 Florent Pruvost # Copyright 2017 Eduardo Gonzalez # # Distributed under the OSI-approved BSD License (the "License"); # see accompanying file ECRC-Copyright.txt for details. # # This software is distributed WITHOUT ANY WARRANTY; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # See the License for more information. #============================================================================= # (To distribute this file outside of Ecrc, substitute the full # License text for the above reference.) if(NOT ELPA_FOUND) set(ELPA_DIR "" CACHE PATH "Installation directory of ELPA library") if (NOT ELPA_FIND_QUIETLY) message(STATUS "A cache variable, namely ELPA_DIR, has been set to specify the install directory of ELPA") endif() endif(NOT ELPA_FOUND) # ELPA depends on SCALAPACK anyway, try to find it if (NOT SCALAPACK_FOUND) if(ELPA_FIND_REQUIRED) find_package(SCALAPACK REQUIRED) else() find_package(SCALAPACK) endif() endif() set(ENV_ELPA_DIR "$ENV{ELPA_DIR}") set(ENV_ELPA_INCDIR "$ENV{ELPA_INCDIR}") set(ENV_ELPA_LIBDIR "$ENV{ELPA_LIBDIR}") set(ELPA_GIVEN_BY_USER "FALSE") if ( ELPA_DIR OR ( ELPA_INCDIR AND ELPA_LIBDIR) OR ENV_ELPA_DIR OR (ENV_ELPA_INCDIR AND ENV_ELPA_LIBDIR) ) set(ELPA_GIVEN_BY_USER "TRUE") endif() # Optionally use pkg-config to detect include/library dirs (if pkg-config is available) # ------------------------------------------------------------------------------------- include(FindPkgConfig) find_package(PkgConfig QUIET) if(PKG_CONFIG_EXECUTABLE AND NOT ELPA_GIVEN_BY_USER) pkg_search_module(ELPA elpa) if (NOT ELPA_FIND_QUIETLY) if (ELPA_FOUND AND ELPA_LIBRARIES) message(STATUS "Looking for ELPA - found using PkgConfig") #if(NOT ELPA_INCLUDE_DIRS) # message("${Magenta}ELPA_INCLUDE_DIRS is empty using PkgConfig." # "Perhaps the path to elpa headers is already present in your" # "C(PLUS)_INCLUDE_PATH environment variable.${ColourReset}") #endif() else() message(STATUS "${Magenta}Looking for ELPA - not found using PkgConfig. " "\n Perhaps you should add the directory containing elpa.pc " "\n to the PKG_CONFIG_PATH environment variable.${ColourReset}") endif() endif() if (ELPA_FIND_VERSION_EXACT) if( NOT (ELPA_FIND_VERSION_MAJOR STREQUAL ELPA_VERSION_MAJOR) OR NOT (ELPA_FIND_VERSION_MINOR STREQUAL ELPA_VERSION_MINOR) ) if(NOT ELPA_FIND_QUIETLY) message(FATAL_ERROR "ELPA version found is ${ELPA_VERSION_STRING} " "when required is ${ELPA_FIND_VERSION}") endif() endif() else() # if the version found is older than the required then error if( (ELPA_FIND_VERSION_MAJOR STRGREATER ELPA_VERSION_MAJOR) OR (ELPA_FIND_VERSION_MINOR STRGREATER ELPA_VERSION_MINOR) ) if(NOT ELPA_FIND_QUIETLY) message(FATAL_ERROR "ELPA version found is ${ELPA_VERSION_STRING} " "when required is ${ELPA_FIND_VERSION} or newer") endif() endif() endif() # if pkg-config is used: these variables are empty # the pkg_search_module call will set the following: # ELPA_LDFLAGS: all required linker flags # ELPA_CFLAGS: all required cflags set(ELPA_INCLUDE_DIRS_DEP "") set(ELPA_LIBRARY_DIRS_DEP "") set(ELPA_LIBRARIES_DEP "") # replace it anyway: we should update it with dependencies given by pkg-config set(ELPA_INCLUDE_DIRS_DEP "${ELPA_INCLUDE_DIRS}") set(ELPA_LIBRARY_DIRS_DEP "${ELPA_LIBRARY_DIRS}") set(ELPA_LIBRARIES_DEP "${ELPA_LIBRARIES}") endif(PKG_CONFIG_EXECUTABLE AND NOT ELPA_GIVEN_BY_USER) # if ELPA is not found using pkg-config if( (NOT PKG_CONFIG_EXECUTABLE) OR (PKG_CONFIG_EXECUTABLE AND NOT ELPA_FOUND) OR (ELPA_GIVEN_BY_USER) ) if (NOT ELPA_FIND_QUIETLY) message(STATUS "Looking for ELPA - PkgConfig not used") endif() # Looking for include # ------------------- # Add system include paths to search include # ------------------------------------------ unset(_inc_env) set(ENV_ELPA_DIR "$ENV{ELPA_DIR}") set(ENV_ELPA_INCDIR "$ENV{ELPA_INCDIR}") if(ENV_ELPA_INCDIR) list(APPEND _inc_env "${ENV_ELPA_INCDIR}") elseif(ENV_ELPA_DIR) list(APPEND _inc_env "${ENV_ELPA_DIR}") list(APPEND _inc_env "${ENV_ELPA_DIR}/include") list(APPEND _inc_env "${ENV_ELPA_DIR}/include/elpa") else() if(WIN32) string(REPLACE ":" ";" _inc_env "$ENV{INCLUDE}") else() string(REPLACE ":" ";" _path_env "$ENV{INCLUDE}") list(APPEND _inc_env "${_path_env}") string(REPLACE ":" ";" _path_env "$ENV{C_INCLUDE_PATH}") list(APPEND _inc_env "${_path_env}") string(REPLACE ":" ";" _path_env "$ENV{CPATH}") list(APPEND _inc_env "${_path_env}") string(REPLACE ":" ";" _path_env "$ENV{INCLUDE_PATH}") list(APPEND _inc_env "${_path_env}") endif() endif() list(APPEND _inc_env "${CMAKE_PLATFORM_IMPLICIT_INCLUDE_DIRECTORIES}") list(APPEND _inc_env "${CMAKE_C_IMPLICIT_INCLUDE_DIRECTORIES}") list(REMOVE_DUPLICATES _inc_env) # Try to find the elpa header in the given paths # ------------------------------------------------- # call cmake macro to find the header path if(ELPA_INCDIR) set(ELPA_elpa.h_DIRS "ELPA_elpa.h_DIRS-NOTFOUND") find_path(ELPA_elpa.h_DIRS NAMES elpa.h HINTS ${ELPA_INCDIR}) else() if(ELPA_DIR) set(ELPA_elpa.h_DIRS "ELPA_elpa.h_DIRS-NOTFOUND") find_path(ELPA_elpa.h_DIRS NAMES elpa.h HINTS ${ELPA_DIR} PATH_SUFFIXES "include" "include/elpa") if(NOT ELPA_elpa.h_DIRS) file(GLOB ELPA_elpa.h_PATH "${ELPA_DIR}/include/elpa-20*/elpa/elpa.h") get_filename_component(ELPA_elpa.h_DIRS "${ELPA_elpa.h_PATH}" PATH) endif() else() set(ELPA_elpa.h_DIRS "ELPA_elpa.h_DIRS-NOTFOUND") find_path(ELPA_elpa.h_DIRS NAMES elpa.h HINTS ${_inc_env}) endif() endif() mark_as_advanced(ELPA_elpa.h_DIRS) # If found, add path to cmake variable # ------------------------------------ if (ELPA_elpa.h_DIRS) message(STATUS "elpa.h found in ${ELPA_elpa.h_DIRS}") set(ELPA_INCLUDE_DIRS "${ELPA_elpa.h_DIRS}") else () set(ELPA_INCLUDE_DIRS "ELPA_INCLUDE_DIRS-NOTFOUND") if(NOT ELPA_FIND_QUIETLY) message(STATUS "Looking for elpa -- elpa.h not found") endif() endif() # If not defined, guess the version string if(NOT ELPA_VERSION_STRING) string(REGEX MATCH "elpa-20[0-9][0-9]\.[0-9][0-9]\.[0-9][0-9][0-9]" CMAKE_MATCH_ELPA_VER "${ELPA_INCLUDE_DIRS}") string(REGEX MATCH "20[0-9][0-9]\.[0-9][0-9]\.[0-9][0-9][0-9]" ELPA_VERSION_STRING "${CMAKE_MATCH_ELPA_VER}") message(STATUS "ELPA version ${ELPA_VERSION_STRING}") endif() # Looking for lib # --------------- # Add system library paths to search lib # -------------------------------------- unset(_lib_env) set(ENV_ELPA_LIBDIR "$ENV{ELPA_LIBDIR}") if(ENV_ELPA_LIBDIR) list(APPEND _lib_env "${ENV_ELPA_LIBDIR}") elseif(ENV_ELPA_DIR) list(APPEND _lib_env "${ENV_ELPA_DIR}") list(APPEND _lib_env "${ENV_ELPA_DIR}/lib") else() if(WIN32) string(REPLACE ":" ";" _lib_env "$ENV{LIB}") else() if(APPLE) string(REPLACE ":" ";" _lib_env "$ENV{DYLD_LIBRARY_PATH}") else() string(REPLACE ":" ";" _lib_env "$ENV{LD_LIBRARY_PATH}") endif() list(APPEND _lib_env "${CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES}") list(APPEND _lib_env "${CMAKE_C_IMPLICIT_LINK_DIRECTORIES}") endif() endif() list(REMOVE_DUPLICATES _lib_env) # Try to find the elpa lib in the given paths # ---------------------------------------------- # call cmake macro to find the lib path if(ELPA_LIBDIR) set(ELPA_elpa_LIBRARY "ELPA_elpa_LIBRARY-NOTFOUND") find_library(ELPA_elpa_LIBRARY NAMES elpa HINTS ${ELPA_LIBDIR}) else() if(ELPA_DIR) set(ELPA_elpa_LIBRARY "ELPA_elpa_LIBRARY-NOTFOUND") find_library(ELPA_elpa_LIBRARY NAMES elpa HINTS ${ELPA_DIR} PATH_SUFFIXES lib lib32 lib64) else() set(ELPA_elpa_LIBRARY "ELPA_elpa_LIBRARY-NOTFOUND") find_library(ELPA_elpa_LIBRARY NAMES elpa HINTS ${_lib_env}) endif() endif() mark_as_advanced(ELPA_elpa_LIBRARY) # If found, add path to cmake variable # ------------------------------------ if (ELPA_elpa_LIBRARY) get_filename_component(elpa_lib_path "${ELPA_elpa_LIBRARY}" PATH) # set cmake variables set(ELPA_LIBRARIES "${ELPA_elpa_LIBRARY}") set(ELPA_LIBRARY_DIRS "${elpa_lib_path}") else () set(ELPA_LIBRARIES "ELPA_LIBRARIES-NOTFOUND") set(ELPA_LIBRARY_DIRS "ELPA_LIBRARY_DIRS-NOTFOUND") if(NOT ELPA_FIND_QUIETLY) message(STATUS "Looking for elpa -- lib elpa not found") endif() endif () # check a function to validate the find if (ELPA_LIBRARIES) set(REQUIRED_LDFLAGS) set(REQUIRED_INCDIRS) set(REQUIRED_LIBDIRS) set(REQUIRED_LIBS) # ELPA if (ELPA_INCLUDE_DIRS) set(REQUIRED_INCDIRS "${ELPA_INCLUDE_DIRS}") endif() if (ELPA_LIBRARY_DIRS) set(REQUIRED_LIBDIRS "${ELPA_LIBRARY_DIRS}") endif() set(REQUIRED_LIBS "${ELPA_LIBRARIES}") # CBLAS if (CBLAS_INCLUDE_DIRS_DEP) list(APPEND REQUIRED_INCDIRS "${CBLAS_INCLUDE_DIRS_DEP}") elseif (CBLAS_INCLUDE_DIRS) list(APPEND REQUIRED_INCDIRS "${CBLAS_INCLUDE_DIRS}") endif() if(CBLAS_LIBRARY_DIRS_DEP) list(APPEND REQUIRED_LIBDIRS "${CBLAS_LIBRARY_DIRS_DEP}") elseif(CBLAS_LIBRARY_DIRS) list(APPEND REQUIRED_LIBDIRS "${CBLAS_LIBRARY_DIRS}") endif() if (CBLAS_LIBRARIES_DEP) list(APPEND REQUIRED_LIBS "${CBLAS_LIBRARIES_DEP}") elseif(CBLAS_LIBRARIES) list(APPEND REQUIRED_LIBS "${CBLAS_LIBRARIES}") endif() if (BLAS_LINKER_FLAGS) list(APPEND REQUIRED_LDFLAGS "${BLAS_LINKER_FLAGS}") endif() # LAPACK if (LAPACK_INCLUDE_DIRS) list(APPEND REQUIRED_INCDIRS "${LAPACK_INCLUDE_DIRS}") endif() if(LAPACK_LIBRARY_DIRS) list(APPEND REQUIRED_LIBDIRS "${LAPACK_LIBRARY_DIRS}") endif() list(APPEND REQUIRED_LIBS "${LAPACK_LIBRARIES}") if (LAPACK_LINKER_FLAGS) list(APPEND REQUIRED_LDFLAGS "${LAPACK_LINKER_FLAGS}") endif() # CUDA if (CUDA_INCLUDE_DIRS) list(APPEND REQUIRED_INCDIRS "${CUDA_INCLUDE_DIRS}") endif() if(CUDA_LIBRARY_DIRS) list(APPEND REQUIRED_LIBDIRS "${CUDA_LIBRARY_DIRS}") endif() list(APPEND REQUIRED_LIBS "${CUDA_CUBLAS_LIBRARIES};${CUDA_LIBRARIES}") # set required libraries for link set(CMAKE_REQUIRED_INCLUDES "${REQUIRED_INCDIRS}") set(CMAKE_REQUIRED_LIBRARIES) list(APPEND CMAKE_REQUIRED_LIBRARIES "${REQUIRED_LDFLAGS}") foreach(lib_dir ${REQUIRED_LIBDIRS}) list(APPEND CMAKE_REQUIRED_LIBRARIES "-L${lib_dir}") endforeach() list(APPEND CMAKE_REQUIRED_LIBRARIES "${REQUIRED_LIBS}") string(REGEX REPLACE "^ -" "-" CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES}") # test link unset(ELPA_WORKS CACHE) include(CheckFunctionExists) if(ELPA_VERSION_STRING AND ELPA_VERSION_STRING VERSION_LESS "2017") set(ELPA_TEST_FUNCTION get_elpa_row_col_comms) else() set(ELPA_TEST_FUNCTION elpa_init) endif() check_function_exists(${ELPA_TEST_FUNCTION} ELPA_WORKS) mark_as_advanced(ELPA_WORKS) if(ELPA_WORKS) # save link with dependencies set(ELPA_LIBRARIES_DEP "${REQUIRED_LIBS}") set(ELPA_LIBRARY_DIRS_DEP "${REQUIRED_LIBDIRS}") set(ELPA_INCLUDE_DIRS_DEP "${REQUIRED_INCDIRS}") set(ELPA_LINKER_FLAGS "${REQUIRED_LDFLAGS}") list(REMOVE_DUPLICATES ELPA_LIBRARY_DIRS_DEP) list(REMOVE_DUPLICATES ELPA_INCLUDE_DIRS_DEP) list(REMOVE_DUPLICATES ELPA_LINKER_FLAGS) else() if(NOT ELPA_FIND_QUIETLY) message(STATUS "Looking for elpa : test of ${ELPA_TEST_FUNCTION} with elpa, cblas, cuda and lapack libraries fails") message(STATUS "CMAKE_REQUIRED_LIBRARIES: ${CMAKE_REQUIRED_LIBRARIES}") message(STATUS "CMAKE_REQUIRED_INCLUDES: ${CMAKE_REQUIRED_INCLUDES}") message(STATUS "Check in CMakeFiles/CMakeError.log to figure out why it fails") endif() endif() set(CMAKE_REQUIRED_INCLUDES) set(CMAKE_REQUIRED_FLAGS) set(CMAKE_REQUIRED_LIBRARIES) endif(ELPA_LIBRARIES) endif( (NOT PKG_CONFIG_EXECUTABLE) OR (PKG_CONFIG_EXECUTABLE AND NOT ELPA_FOUND) OR (ELPA_GIVEN_BY_USER) ) if (ELPA_LIBRARIES) if (ELPA_LIBRARY_DIRS) foreach(dir ${ELPA_LIBRARY_DIRS}) if ("${dir}" MATCHES "elpa") set(first_lib_path "${dir}") endif() endforeach() else() list(GET ELPA_LIBRARIES 0 first_lib) get_filename_component(first_lib_path "${first_lib}" PATH) endif() if (${first_lib_path} MATCHES "/lib(32|64)?$") string(REGEX REPLACE "/lib(32|64)?$" "" not_cached_dir "${first_lib_path}") set(ELPA_DIR_FOUND "${not_cached_dir}" CACHE PATH "Installation directory of ELPA library" FORCE) else() set(ELPA_DIR_FOUND "${first_lib_path}" CACHE PATH "Installation directory of ELPA library" FORCE) endif() endif() mark_as_advanced(ELPA_DIR) mark_as_advanced(ELPA_DIR_FOUND) # check that ELPA has been found # ------------------------------- include(FindPackageHandleStandardArgs) if (PKG_CONFIG_EXECUTABLE AND ELPA_FOUND) find_package_handle_standard_args(ELPA DEFAULT_MSG ELPA_LIBRARIES) else() find_package_handle_standard_args(ELPA DEFAULT_MSG ELPA_LIBRARIES ELPA_WORKS) endif()