Modules/CMakeSwiftInformation.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 if(UNIX)
   5   set(CMAKE_Swift_OUTPUT_EXTENSION .o)
   6 else()
   7   set(CMAKE_Swift_OUTPUT_EXTENSION .obj)
   8 endif()
   9
  10 # Load compiler-specific information.
  11 if(CMAKE_Swift_COMPILER_ID)
  12   include(Compiler/${CMAKE_Swift_COMPILER_ID}-Swift OPTIONAL)
  13
  14   if(CMAKE_SYSTEM_PROCESSOR)
  15     include(Platform/${CMAKE_EFFECTIVE_SYSTEM_NAME}-${CMAKE_Swift_COMPILER_ID}-Swift-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL)
  16   endif()
  17   include(Platform/${CMAKE_EFFECTIVE_SYSTEM_NAME}-${CMAKE_Swift_COMPILER_ID}-Swift OPTIONAL)
  18 endif()
  19
  20 set(CMAKE_EXE_EXPORTS_Swift_FLAG "-emit-module -emit-module-path <SWIFT_MODULE> ${CMAKE_Swift_IMPLIB_LINKER_FLAGS}")
  21
  22 set(CMAKE_INCLUDE_FLAG_Swift "-I ")
  23 if(CMAKE_SYSTEM_NAME STREQUAL Darwin)
  24   set(CMAKE_SHARED_LIBRARY_SONAME_Swift_FLAG "-Xlinker -install_name -Xlinker ")
  25 elseif(NOT CMAKE_SYSTEM_NAME STREQUAL Windows)
  26   set(CMAKE_SHARED_LIBRARY_SONAME_Swift_FLAG "-Xlinker -soname -Xlinker ")
  27 endif()
  28
  29 if(NOT CMAKE_SYSTEM_NAME STREQUAL Windows)
  30   set(CMAKE_EXECUTABLE_RUNTIME_Swift_FLAG "-Xlinker -rpath -Xlinker ")
  31   set(CMAKE_SHARED_LIBRARY_RUNTIME_Swift_FLAG "-Xlinker -rpath -Xlinker ")
  32   if(CMAKE_SYSTEM_NAME STREQUAL Darwin)
  33     set(CMAKE_EXECUTABLE_RUNTIME_Swift_FLAG_SEP "")
  34     set(CMAKE_SHARED_LIBRARY_RUNTIME_Swift_FLAG_SEP "")
  35   else()
  36     set(CMAKE_EXECUTABLE_RUNTIME_Swift_FLAG_SEP ":")
  37     set(CMAKE_SHARED_LIBRARY_RUNTIME_Swift_FLAG_SEP ":")
  38   endif()
  39 endif()
  40
  41 set(CMAKE_Swift_COMPILE_OPTIONS_TARGET "-target ")
  42 set(CMAKE_Swift_COMPILE_OPTIONS_EXTERNAL_TOOLCHAIN "-tools-directory ")
  43 # NOTE(compnerd) the `-sdk` support is not yet ready in the compiler; when that
  44 # is fully working, we should be able to enable this.
  45 # set(CMAKE_Swift_COMPILE_OPTIONS_SYSROOT "-sdk ")
  46 # NOTE(compnerd) do not setup `-frontend` as we use the compiler as the driver
  47 # during the link phase and use that to drive the compilation
  48 set(CMAKE_Swift_COMPILER_ARG1 "")
  49 set(CMAKE_Swift_DEFINE_FLAG -D)
  50 set(CMAKE_Swift_FRAMEWORK_SEARCH_FLAG "-F ")
  51 set(CMAKE_Swift_LIBRARY_PATH_FLAG "-L ")
  52 set(CMAKE_Swift_LIBRARY_PATH_TERMINATOR "")
  53 set(CMAKE_Swift_LINK_LIBRARY_FLAG "-l")
  54 set(CMAKE_Swift_LINKER_WRAPPER_FLAG "-Xlinker" " ")
  55 set(CMAKE_Swift_RESPONSE_FILE_LINK_FLAG @)
  56
  57 set(CMAKE_Swift_LINKER_PREFERENCE 50)
  58 set(CMAKE_Swift_LINKER_PREFERENCE_PROPAGATES 1)
  59
  60 # NOTE(compnerd) use the short form for convenience and ease of search.  They
  61 # are treated equivalent to their long form names as well as custom Swift
  62 # specific names.
  63 set(CMAKE_Swift_COMPILE_OPTIONS_MSVC_RUNTIME_LIBRARY_MultiThreaded -libc MT)
  64 set(CMAKE_Swift_COMPILE_OPTIONS_MSVC_RUNTIME_LIBRARY_MultiThreadedDLL -libc MD)
  65 set(CMAKE_Swift_COMPILE_OPTIONS_MSVC_RUNTIME_LIBRARY_MultiThreadedDebug -libc MTd)
  66 set(CMAKE_Swift_COMPILE_OPTIONS_MSVC_RUNTIME_LIBRARY_MultiThreadedDebugDLL -libc MDd)
  67
  68 set(CMAKE_Swift_FLAGS_DEBUG_INIT "-Onone -g")
  69 set(CMAKE_Swift_FLAGS_RELEASE_INIT "-O")
  70 set(CMAKE_Swift_FLAGS_RELWITHDEBINFO_INIT "-O -g")
  71 set(CMAKE_Swift_FLAGS_MINSIZEREL_INIT "-Osize")
  72
  73 if(CMAKE_EXECUTABLE_FORMAT STREQUAL "ELF")
  74   if(NOT DEFINED CMAKE_Swift_LINK_WHAT_YOU_USE_FLAG)
  75     set(CMAKE_Swift_LINK_WHAT_YOU_USE_FLAG "LINKER:--no-as-needed")
  76   endif()
  77   if(NOT DEFINED CMAKE_LINK_WHAT_YOU_USE_CHECK)
  78     set(CMAKE_LINK_WHAT_YOU_USE_CHECK ldd -u -r)
  79   endif()
  80 endif()
  81
  82 cmake_initialize_per_config_variable(CMAKE_Swift_FLAGS "Swift Compiler Flags")
  83
  84 # NOTE(compnerd) we do not have an object compile rule since we build the objects as part of the link step
  85 if(NOT CMAKE_Swift_COMPILE_OBJECT)
  86   set(CMAKE_Swift_COMPILE_OBJECT ":")
  87 endif()
  88
  89 if(NOT CMAKE_Swift_NUM_THREADS MATCHES "^[0-9]+$")
  90   cmake_host_system_information(RESULT CMAKE_Swift_NUM_THREADS QUERY NUMBER_OF_LOGICAL_CORES)
  91 endif()
  92
  93 if(NOT CMAKE_Swift_CREATE_SHARED_LIBRARY)
  94   set(CMAKE_Swift_CREATE_SHARED_LIBRARY "<CMAKE_Swift_COMPILER> -output-file-map <SWIFT_OUTPUT_FILE_MAP> -incremental -j ${CMAKE_Swift_NUM_THREADS} -emit-library -o <TARGET> -module-name <SWIFT_MODULE_NAME> -module-link-name <SWIFT_LIBRARY_NAME> -emit-module -emit-module-path <SWIFT_MODULE> -emit-dependencies <DEFINES> <FLAGS> <INCLUDES> <SWIFT_SOURCES> <LINK_FLAGS> <SONAME_FLAG> <TARGET_INSTALLNAME_DIR><TARGET_SONAME> ${CMAKE_Swift_IMPLIB_LINKER_FLAGS} <LINK_LIBRARIES>")
  95 endif()
  96
  97 if(NOT CMAKE_Swift_CREATE_SHARED_MODULE)
  98   set(CMAKE_Swift_CREATE_SHARED_MODULE ${CMAKE_Swift_CREATE_SHARED_LIBRARY})
  99 endif()
 100
 101 if(NOT CMAKE_Swift_LINK_EXECUTABLE)
 102   set(CMAKE_Swift_LINK_EXECUTABLE "<CMAKE_Swift_COMPILER> -output-file-map <SWIFT_OUTPUT_FILE_MAP> -incremental -j ${CMAKE_Swift_NUM_THREADS} -emit-executable -o <TARGET> -emit-dependencies <DEFINES> <FLAGS> <INCLUDES> <SWIFT_SOURCES> <LINK_FLAGS> <LINK_LIBRARIES>")
 103 endif()
 104
 105 if(NOT CMAKE_Swift_CREATE_STATIC_LIBRARY)
 106   set(CMAKE_Swift_CREATE_STATIC_LIBRARY "<CMAKE_Swift_COMPILER> -output-file-map <SWIFT_OUTPUT_FILE_MAP> -incremental -j ${CMAKE_Swift_NUM_THREADS} -emit-library -static -o <TARGET> -module-name <SWIFT_MODULE_NAME> -module-link-name <SWIFT_LIBRARY_NAME> -emit-module -emit-module-path <SWIFT_MODULE> -emit-dependencies <DEFINES> <FLAGS> <INCLUDES> <SWIFT_SOURCES> <LINK_FLAGS> <LINK_LIBRARIES>")
 107
 108   set(CMAKE_Swift_ARCHIVE_CREATE "<CMAKE_AR> crs <TARGET> <OBJECTS>")
 109   set(CMAKE_Swift_ARCHIVE_FINISH "")
 110 endif()
 111
 112 set(CMAKE_Swift_INFORMATION_LOADED 1)