1# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
2# file Copyright.txt or https://cmake.org/licensing for details.
3
4cmake_policy(PUSH)
5cmake_policy(SET CMP0053 NEW)
6cmake_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
12function(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()
52endfunction()
53
54cmake_policy(POP)
55