Modules/CMakeParseLibraryArchitecture.cmake

   1 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   2 # file Copyright.txt or https://cmake.org/licensing for details.
   3
   4 cmake_policy(PUSH)
   5 cmake_policy(SET CMP0053 NEW)
   6 cmake_policy(SET CMP0054 NEW)
   7
   8 # Function parse implicit linker options.
   9 # This is used internally by CMake and should not be included by user
  10 # code.
  11
  12 function(cmake_parse_library_architecture lang implicit_dirs implicit_objs output_var)
  13   unset(library_arch)
  14   # Detect library architecture directory name.
  15   if(CMAKE_LIBRARY_ARCHITECTURE_REGEX)
  16     foreach(dir IN LISTS implicit_dirs)
  17       if("${dir}" MATCHES "/lib/${CMAKE_LIBRARY_ARCHITECTURE_REGEX}$")
  18         get_filename_component(arch "${dir}" NAME)
  19         set(library_arch "${arch}")
  20         break()
  21       endif()
  22     endforeach()
  23
  24     foreach(obj IN LISTS implicit_objs)
  25       get_filename_component(dir "${obj}" DIRECTORY)
  26       if("${dir}" MATCHES "(/usr)?/lib/${CMAKE_LIBRARY_ARCHITECTURE_REGEX}$")
  27         get_filename_component(arch "${dir}" NAME)
  28         set(library_arch "${arch}")
  29         break()
  30       endif()
  31     endforeach()
  32   endif()
  33
  34   if(CMAKE_CXX_COMPILER_ID STREQUAL QCC)
  35     foreach(dir ${implicit_dirs})
  36       if (dir MATCHES "/lib$")
  37         get_filename_component(assumedArchDir "${dir}" DIRECTORY)
  38         get_filename_component(archParentDir "${assumedArchDir}" DIRECTORY)
  39         if (archParentDir STREQUAL CMAKE_SYSROOT)
  40           get_filename_component(archDirName "${assumedArchDir}" NAME)
  41           set(library_arch "${archDirName}")
  42           break()
  43         endif()
  44       endif()
  45     endforeach()
  46   endif()
  47
  48   # Return results.
  49   if(library_arch)
  50     set(${output_var} "${library_arch}" PARENT_SCOPE)
  51   endif()
  52 endfunction()
  53
  54 cmake_policy(POP)