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#==================================================================
# Copyright (c) 2018 The Regents of the University of California,
# through Lawrence Berkeley National Laboratory.
#
# Author: David Williams-Young
#
# This file is part of cmake-modules. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# (1) Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
# (2) Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
# (3) Neither the name of the University of California, Lawrence Berkeley
# National Laboratory, U.S. Dept. of Energy nor the names of its contributors may
# be used to endorse or promote products derived from this software without
# specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# You are under no obligation whatsoever to provide any bug fixes, patches, or
# upgrades to the features, functionality or performance of the source code
# ("Enhancements") to anyone; however, if you choose to make your Enhancements
# available either publicly, or directly to Lawrence Berkeley National
# Laboratory, without imposing a separate written license agreement for such
# Enhancements, then you hereby grant the following license: a non-exclusive,
# royalty-free perpetual license to install, use, modify, prepare derivative
# works, incorporate into other computer software, distribute, and sublicense
# such enhancements or derivative works thereof, in binary and source code form.
#
#==================================================================
set( COMMON_UTILITY_CMAKE_FILE_DIR ${CMAKE_CURRENT_LIST_DIR} )
function( emulate_kitware_linalg_modules name )
if( DEFINED BLA_STATIC AND NOT DEFINED ${name}_PREFERS_STATIC )
if( DEFINED CACHE{BLA_STATIC} )
set( ${name}_PREFERS_STATIC ${BLA_STATIC} CACHE BOOL
"Use Static ${name} LIBRARIES" )
else()
set( ${name}_PREFERS_STATIC ${BLA_STATIC} PARENT_SCOPE )
endif()
endif()
if( DEFINED BLA_VENDOR AND NOT DEFINED ${name}_PREFERENCE_LIST )
if( DEFINED CACHE{BLA_VENDOR} )
set( ${name}_PREFERENCE_LIST ${BLA_VENDOR} CACHE BOOL
"Use Static ${name} LIBRARIES" )
else()
set( ${name}_PREFERENCE_LIST ${BLA_VENDOR} PARENT_SCOPE )
endif()
endif()
endfunction()
function( fill_out_prefix name )
#if( ${name}_PREFIX AND NOT ${name}_INCLUDE_DIR )
# set( ${name}_INCLUDE_DIR ${${name}_PREFIX}/include PARENT_SCOPE )
#endif()
if( ${name}_PREFIX AND NOT ${name}_LIBRARY_DIR )
set( ${name}_LIBRARY_DIR
"${${name}_PREFIX}/lib;${${name}_PREFIX}/lib32;${${name}_PREFIX}/lib64"
PARENT_SCOPE
)
endif()
endfunction()
function( copy_meta_data _src _dest )
#if( ${_src}_LIBRARIES AND NOT ${_dest}_LIBRARIES )
# set( ${_dest}_LIBRARIES ${${_src}_LIBRARIES} PARENT_SCOPE )
#endif()
if( ${_src}_PREFIX AND NOT ${_dest}_PREFIX )
set( ${_dest}_PREFIX ${${_src}_PREFIX} PARENT_SCOPE )
endif()
if( ${_src}_INCLUDE_DIR AND NOT ${_dest}_INCLUDE_DIR )
set( ${_dest}_INCLUDE_DIR ${${_src}_INCLUDE_DIR} PARENT_SCOPE )
endif()
if( ${_src}_LIBRARY_DIR AND NOT ${_dest}_LIBRARY_DIR )
set( ${_dest}_LIBRARY_DIR ${${_src}_LIBRARY_DIR} PARENT_SCOPE )
endif()
if( ${_src}_PREFERS_STATIC AND NOT ${_dest}_PREFERS_STATIC )
set( ${_dest}_PREFERS_STATIC ${${_src}_PREFERS_STATIC} PARENT_SCOPE )
endif()
if( ${_src}_THREAD_LAYER AND NOT ${_dest}_THREAD_LAYER )
set( ${_dest}_THREAD_LAYER ${${_src}_THREAD_LAYER} PARENT_SCOPE )
endif()
endfunction()
function( get_true_target_property _out _target _property )
if( TARGET ${_target} )
get_property( _${_target}_imported TARGET ${_target} PROPERTY IMPORTED )
if( NOT ${_property} MATCHES "INTERFACE_LINK_LIBRARIES" )
get_property( _${_target}_property TARGET ${_target} PROPERTY ${_property} )
endif()
if( _${_target}_imported )
#message( STATUS "${_target} is IMPORTED" )
get_property( _${_target}_link TARGET ${_target} PROPERTY INTERFACE_LINK_LIBRARIES )
foreach( _lib ${_${_target}_link} )
#message( STATUS "Checking ${_lib}")
if( TARGET ${_lib} )
get_true_target_property( _${_lib}_property ${_lib} ${_property} )
#message( STATUS "${_lib} is a TARGET with ${_${_lib}_property}" )
if( _${_lib}_property )
list( APPEND _${_target}_property_imported ${_${_lib}_property} )
endif()
elseif( ${_property} MATCHES "INTERFACE_LINK_LIBRARIES" )
list( APPEND _${_target}_property_imported ${_lib} )
endif()
endforeach()
if(_${_target}_property_imported)
list(APPEND _${_target}_property ${_${_target}_property_imported} )
endif()
set( ${_out} ${_${_target}_property} PARENT_SCOPE )
else()
#message( STATUS "${_target} is NOT IMPORTED" )
#message( STATUS "Setting ${_out} to ${_${_target}_property} " )
set( ${_out} ${_${_target}_property} PARENT_SCOPE )
endif()
endif()
endfunction()
function( check_function_exists_w_results _libs _func _output _result )
try_compile( ${_result} ${CMAKE_CURRENT_BINARY_DIR}
SOURCES ${COMMON_UTILITY_CMAKE_FILE_DIR}/func_check.c
COMPILE_DEFINITIONS "-DFUNC_NAME=${_func}"
LINK_LIBRARIES ${_libs}
OUTPUT_VARIABLE ${_output} )
set( ${_output} "${${_output}}" PARENT_SCOPE )
set( ${_result} "${${_result}}" PARENT_SCOPE )
endfunction()
function( append_possibly_missing_libs _linker_test __compile_output _orig_libs __new_libs )
set( _tmp_libs )
# Check for missing Fortran symbols
if( ${__compile_output} MATCHES "fortran" OR ${__compile_output} MATCHES "Fortran" OR ${__compile_output} MATCHES "f90_" )
message( STATUS
" * Missing Standard Fortran Libs - Adding to ${_linker_test} linker" )
# Check for Standard Fortran Libraries
if(NOT STANDARDFORTRAN_LIBRARIES)
include(CMakeFindDependencyMacro)
find_dependency( StandardFortran )
endif()
list( APPEND _tmp_libs "${STANDARDFORTRAN_LIBRARIES}" )
endif()
if( ${__compile_output} MATCHES "omp_" )
message( STATUS
" * Missing OpenMP - Adding to ${_linker_test} linker" )
if( NOT TARGET OpenMP::OpenMP_C )
find_dependency( OpenMP )
endif()
list( APPEND _tmp_libs OpenMP::OpenMP_C )
endif()
if( ${__compile_output} MATCHES "pthread_" )
message( STATUS
" * Missing PThreads - Adding to ${_linker_test} linker" )
if( NOT TARGET Threads::Threads )
find_dependency( Threads )
# Threads::Threads by default is not GLOBAL, so to allow users of LINALG_LIBRARIES to safely use it we need to make it global
# more discussion here: https://gitlab.kitware.com/cmake/cmake/-/issues/17256
set_target_properties(Threads::Threads PROPERTIES IMPORTED_GLOBAL TRUE)
endif()
list( APPEND _tmp_libs Threads::Threads )
endif()
if( ${__compile_output} MATCHES "logf" OR ${__compile_output} MATCHES "sqrt" )
message( STATUS
" * Missing LIBM - Adding to ${_linker_test} linker" )
list( APPEND _tmp_libs "m" )
endif()
set( ${__new_libs} "${_tmp_libs}" PARENT_SCOPE )
endfunction()
# _funcs = LIST of lowercase symbol name
# _namespace = namespace (BLAS, LAPACK, etc.)
function( check_fortran_functions_exist _funcs _namespace _libs _link_ok _uses_lower _uses_underscore )
set( ${_link_ok} FALSE )
set( ${_uses_lower} )
set( ${_uses_underscore} )
foreach( _uplo LOWER UPPER )
foreach( _under UNDERSCORE NO_UNDERSCORE )
set( _item ${_namespace}_${_uplo}_${_under} )
message( STATUS "Performing Test ${_item}" )
# ask linker for each symbol in _funcs, exit early if any fail
foreach( _func IN LISTS _funcs)
set( _${_func}_name_template "${_func}" )
string( TO${_uplo} ${_${_func}_name_template} _${_func}_name_uplo )
if( _under EQUAL "UNDERSCORE" )
set( _${_func}_name "${_${_func}_name_uplo}_" )
else()
set( _${_func}_name "${_${_func}_name_uplo}_" )
endif()
check_function_exists_w_results(
"${${_libs}}" ${_${_func}_name} _compile_output _compile_result
)
if( NOT _compile_result )
append_possibly_missing_libs( ${_namespace} _compile_output ${_libs} _new_libs )
list( APPEND ${_libs} ${_new_libs} )
set( ${_libs} ${${_libs}} PARENT_SCOPE )
# try linking again
check_function_exists_w_results(
"${${_libs}}" ${_${_func}_name} _compile_output _compile_result
)
endif()
unset( _${_func}_name_template )
unset( _${_func}_name_uplo )
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"FUNCTION CHECK: ${_item}\n ${_compile_output}")
if( _compile_result )
set( ${_link_ok} TRUE )
string( COMPARE EQUAL "${_uplo}" "LOWER" ${_uses_lower} )
string( COMPARE EQUAL "${_under}" "UNDERSCORE" ${_uses_underscore} )
else()
break() # early exit foreach if linking failed for any symbol even with extra libs
endif()
endforeach() # _funcs
if( ${${_link_ok}} )
message( STATUS "Performing Test ${_item} -- found" )
break()
else ()
message( STATUS "Performing Test ${_item} -- not found" )
endif()
endforeach() # underscore
if( ${${_link_ok}} )
break()
endif()
endforeach() # lowerupper
set( ${_link_ok} ${${_link_ok}} PARENT_SCOPE )
set( ${_uses_lower} ${${_uses_lower}} PARENT_SCOPE )
set( ${_uses_underscore} ${${_uses_underscore}} PARENT_SCOPE )
endfunction()
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