Modules/Compiler/LCC.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
   5 # This module is shared by multiple languages; use include blocker.
   6 if(__COMPILER_LCC)
   7   return()
   8 endif()
   9 set(__COMPILER_LCC 1)
  10
  11 include(Compiler/CMakeCommonCompilerMacros)
  12
  13 set(__pch_header_C "c-header")
  14 set(__pch_header_CXX "c++-header")
  15 set(__pch_header_OBJC "objective-c-header")
  16 set(__pch_header_OBJCXX "objective-c++-header")
  17
  18 macro(__compiler_lcc lang)
  19   # Feature flags.
  20   set(CMAKE_${lang}_VERBOSE_FLAG "-v")
  21   set(CMAKE_${lang}_COMPILE_OPTIONS_WARNING_AS_ERROR "-Werror")
  22   set(CMAKE_${lang}_COMPILE_OPTIONS_PIC "-fPIC")
  23   set (_CMAKE_${lang}_PIE_MAY_BE_SUPPORTED_BY_LINKER NO)
  24   set(CMAKE_${lang}_COMPILE_OPTIONS_PIE "-fPIE")
  25   # Support of PIE at link stage depends on various elements : platform, compiler, linker
  26   # so to activate it, module CheckPIESupported must be used.
  27   set (_CMAKE_${lang}_PIE_MAY_BE_SUPPORTED_BY_LINKER YES)
  28   set(CMAKE_${lang}_LINK_OPTIONS_PIE ${CMAKE_${lang}_COMPILE_OPTIONS_PIE} "-pie")
  29   set(CMAKE_${lang}_LINK_OPTIONS_NO_PIE "-no-pie")
  30   set(CMAKE_${lang}_COMPILE_OPTIONS_VISIBILITY "-fvisibility=")
  31   set(CMAKE_SHARED_LIBRARY_${lang}_FLAGS "-fPIC")
  32   set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "-shared")
  33   set(CMAKE_${lang}_COMPILE_OPTIONS_SYSROOT "--sysroot=")
  34
  35   set(CMAKE_${lang}_LINKER_WRAPPER_FLAG "-Wl,")
  36   set(CMAKE_${lang}_LINKER_WRAPPER_FLAG_SEP ",")
  37
  38   # Older versions of gcc (< 4.5) contain a bug causing them to report a missing
  39   # header file as a warning if depfiles are enabled, causing check_header_file
  40   # tests to always succeed.  Work around this by disabling dependency tracking
  41   # in try_compile mode.
  42   get_property(_IN_TC GLOBAL PROPERTY IN_TRY_COMPILE)
  43   if(CMAKE_${lang}_COMPILER_ID STREQUAL "LCC" AND _IN_TC AND NOT CMAKE_FORCE_DEPFILES)
  44   else()
  45     # distcc does not transform -o to -MT when invoking the preprocessor
  46     # internally, as it ought to.  Work around this bug by setting -MT here
  47     # even though it isn't strictly necessary.
  48     set(CMAKE_DEPFILE_FLAGS_${lang} "-MD -MT <DEP_TARGET> -MF <DEP_FILE>")
  49   endif()
  50
  51   # Initial configuration flags.
  52   string(APPEND CMAKE_${lang}_FLAGS_INIT " ")
  53   string(APPEND CMAKE_${lang}_FLAGS_DEBUG_INIT " -g")
  54   string(APPEND CMAKE_${lang}_FLAGS_MINSIZEREL_INIT " -Os -DNDEBUG")
  55   string(APPEND CMAKE_${lang}_FLAGS_RELEASE_INIT " -O3 -DNDEBUG")
  56   string(APPEND CMAKE_${lang}_FLAGS_RELWITHDEBINFO_INIT " -O2 -g -DNDEBUG")
  57   set(CMAKE_${lang}_CREATE_PREPROCESSED_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")
  58   set(CMAKE_${lang}_CREATE_ASSEMBLY_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>")
  59   set(CMAKE_INCLUDE_SYSTEM_FLAG_${lang} "-isystem ")
  60   set(_CMAKE_${lang}_IPO_SUPPORTED_BY_CMAKE YES)
  61   set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER NO)
  62   set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)
  63   set(__lto_flags -flto)
  64   list(APPEND __lto_flags -fno-fat-lto-objects)
  65   set(CMAKE_${lang}_COMPILE_OPTIONS_IPO ${__lto_flags})
  66
  67   set(CMAKE_${lang}_ARCHIVE_CREATE_IPO
  68     "\"${CMAKE_${lang}_COMPILER_AR}\" cr <TARGET> <LINK_FLAGS> <OBJECTS>"
  69   )
  70
  71   set(CMAKE_${lang}_ARCHIVE_APPEND_IPO
  72     "\"${CMAKE_${lang}_COMPILER_AR}\" r <TARGET> <LINK_FLAGS> <OBJECTS>"
  73   )
  74
  75   set(CMAKE_${lang}_ARCHIVE_FINISH_IPO
  76     "\"${CMAKE_${lang}_COMPILER_RANLIB}\" <TARGET>"
  77   )
  78
  79   set(CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND "${CMAKE_${lang}_COMPILER}")
  80   if(CMAKE_${lang}_COMPILER_ARG1)
  81     separate_arguments(_COMPILER_ARGS NATIVE_COMMAND "${CMAKE_${lang}_COMPILER_ARG1}")
  82     list(APPEND CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND ${_COMPILER_ARGS})
  83     unset(_COMPILER_ARGS)
  84   endif()
  85   list(APPEND CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND "-dM" "-E" "-c" "${CMAKE_ROOT}/Modules/CMakeCXXCompilerABI.cpp")
  86
  87   if(NOT "x${lang}" STREQUAL "xFortran")
  88     set(CMAKE_PCH_EXTENSION .gch)
  89     if (NOT CMAKE_GENERATOR MATCHES "Xcode")
  90       set(CMAKE_PCH_PROLOGUE "#pragma GCC system_header")
  91     endif()
  92     set(CMAKE_${lang}_COMPILE_OPTIONS_INVALID_PCH -Winvalid-pch)
  93     set(CMAKE_${lang}_COMPILE_OPTIONS_USE_PCH -include <PCH_HEADER>)
  94     set(CMAKE_${lang}_COMPILE_OPTIONS_CREATE_PCH -x ${__pch_header_${lang}} -include <PCH_HEADER>)
  95   endif()
  96 endmacro()