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###
#
# @copyright (c) 2018 Inria. All rights reserved.
#
###
#
# @file LibrariesAbsolutePath.cmake
#
# @project MORSE
# MORSE is a software package provided by:
# Inria Bordeaux - Sud-Ouest,
# Univ. of Tennessee,
# King Abdullah Univesity of Science and Technology
# Univ. of California Berkeley,
# Univ. of Colorado Denver.
#
# @version 1.0.0
# @author Florent Pruvost
# @date 13-04-2018
#
###
# Transform relative path into absolute path for libraries
# lib_list (input/output): the name of the CMake variable containing libraries, e.g. BLAS_LIBRARIES
# hints_paths (input): additional paths to add when looking for libraries
macro(LIBRARIES_ABSOLUTE_PATH lib_list hints_paths)
# collect environment paths to dig
list(APPEND _lib_env "$ENV{LIBRARY_PATH}")
if(WIN32)
string(REPLACE ":" ";" _lib_env2 "$ENV{LIB}")
elseif(APPLE)
string(REPLACE ":" ";" _lib_env2 "$ENV{DYLD_LIBRARY_PATH}")
else()
string(REPLACE ":" ";" _lib_env2 "$ENV{LD_LIBRARY_PATH}")
endif()
list(APPEND _lib_env "${_lib_env2}")
list(APPEND _lib_env "${CMAKE_C_IMPLICIT_LINK_DIRECTORIES}")
# copy the lib list
set (${lib_list}_COPY "${${lib_list}}")
# reset the lib list to populate
set(${lib_list} "")
foreach(_library ${${lib_list}_COPY})
if(EXISTS "${_library}")
# if already an absolute path, nothing special to do
list(APPEND ${lib_list} ${_library})
else()
# replace pattern -lfoo -> foo
string(REGEX REPLACE "^-l" "" _library "${_library}")
# remove extensions if exist
get_filename_component(_ext "${_library}" EXT)
set(_lib_extensions ".so" ".a" ".dyld" ".dll")
list(FIND _lib_extensions "${_ext}" _index)
if (${_index} GREATER -1)
get_filename_component(_library "${_library}" NAME_WE)
endif()
# try to find the lib
find_library(_library_path NAMES ${_library} HINTS ${hints_paths} ${_lib_env})
if (_library_path)
list(APPEND ${lib_list} ${_library_path})
else()
message(FATAL_ERROR "Dependency of ${lib_list} '${_library}' NOT FOUND")
endif()
unset(_library_path CACHE)
endif()
endforeach()
endmacro()
##
## @end file LibrariesAbsolutePath.cmake
##
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