Project: Generate the CXX compiler Id test from multiple files.

This will allow sharing of the logic of the order to test compilers in
and the preprocessor macros used to do that and to determine the
version components.

Modules/CMakeCXXCompilerId.cpp.in

@@ -5,224 +5,7 @@
 # error "A C compiler has been selected for C++."
 #endif
 
-/* Version number components: V=Version, R=Revision, P=Patch
-   Version date components:   YYYY=Year, MM=Month,   DD=Day  */
-
-#if defined(__COMO__)
-# define COMPILER_ID "Comeau"
-  /* __COMO_VERSION__ = VRR */
-# define COMPILER_VERSION_MAJOR DEC(__COMO_VERSION__ / 100)
-# define COMPILER_VERSION_MINOR DEC(__COMO_VERSION__ % 100)
-
-#elif defined(__INTEL_COMPILER) || defined(__ICC)
-# define COMPILER_ID "Intel"
-  /* __INTEL_COMPILER = VRP */
-# define COMPILER_VERSION_MAJOR DEC(__INTEL_COMPILER/100)
-# define COMPILER_VERSION_MINOR DEC(__INTEL_COMPILER/10 % 10)
-# if defined(__INTEL_COMPILER_UPDATE)
-#  define COMPILER_VERSION_PATCH DEC(__INTEL_COMPILER_UPDATE)
-# else
-#  define COMPILER_VERSION_PATCH DEC(__INTEL_COMPILER   % 10)
-# endif
-# if defined(__INTEL_COMPILER_BUILD_DATE)
-  /* __INTEL_COMPILER_BUILD_DATE = YYYYMMDD */
-#  define COMPILER_VERSION_TWEAK DEC(__INTEL_COMPILER_BUILD_DATE)
-# endif
-# if defined(_MSC_VER)
-#  define SIMULATE_ID "MSVC"
-   /* _MSC_VER = VVRR */
-#  define SIMULATE_VERSION_MAJOR DEC(_MSC_VER / 100)
-#  define SIMULATE_VERSION_MINOR DEC(_MSC_VER % 100)
-# endif
-
-#elif defined(__PATHCC__)
-# define COMPILER_ID "PathScale"
-# define COMPILER_VERSION_MAJOR DEC(__PATHCC__)
-# define COMPILER_VERSION_MINOR DEC(__PATHCC_MINOR__)
-# if defined(__PATHCC_PATCHLEVEL__)
-#  define COMPILER_VERSION_PATCH DEC(__PATHCC_PATCHLEVEL__)
-# endif
-
-#elif defined(__clang__)
-# if defined(__apple_build_version__)
-#  define COMPILER_ID "AppleClang"
-#  define COMPILER_VERSION_TWEAK DEC(__apple_build_version__)
-# else
-#  define COMPILER_ID "Clang"
-# endif
-# define COMPILER_VERSION_MAJOR DEC(__clang_major__)
-# define COMPILER_VERSION_MINOR DEC(__clang_minor__)
-# define COMPILER_VERSION_PATCH DEC(__clang_patchlevel__)
-# if defined(_MSC_VER)
-#  define SIMULATE_ID "MSVC"
-   /* _MSC_VER = VVRR */
-#  define SIMULATE_VERSION_MAJOR DEC(_MSC_VER / 100)
-#  define SIMULATE_VERSION_MINOR DEC(_MSC_VER % 100)
-# endif
-
-#elif defined(__BORLANDC__) && defined(__CODEGEARC_VERSION__)
-# define COMPILER_ID "Embarcadero"
-# define COMPILER_VERSION_MAJOR HEX(__CODEGEARC_VERSION__>>24 & 0x00FF)
-# define COMPILER_VERSION_MINOR HEX(__CODEGEARC_VERSION__>>16 & 0x00FF)
-# define COMPILER_VERSION_PATCH HEX(__CODEGEARC_VERSION__     & 0xFFFF)
-
-#elif defined(__BORLANDC__)
-# define COMPILER_ID "Borland"
-  /* __BORLANDC__ = 0xVRR */
-# define COMPILER_VERSION_MAJOR HEX(__BORLANDC__>>8)
-# define COMPILER_VERSION_MINOR HEX(__BORLANDC__ & 0xFF)
-
-#elif defined(__WATCOMC__)
-# if __WATCOMC__ < 1200
-#  define COMPILER_ID "Watcom"
-   /* __WATCOMC__ = VVRP */
-#  define COMPILER_VERSION_MAJOR DEC(__WATCOMC__ / 100)
-# else
-#  define COMPILER_ID "OpenWatcom"
-   /* __WATCOMC__ = VVRP + 1100 */
-#  define COMPILER_VERSION_MAJOR DEC((__WATCOMC__ - 1100) / 100)
-# endif
-# define COMPILER_VERSION_MINOR  DEC((__WATCOMC__ / 10) % 10)
-# if (__WATCOMC__ % 10) > 0
-#  define COMPILER_VERSION_PATCH DEC(__WATCOMC__ % 10)
-# endif
-
-#elif defined(__SUNPRO_CC)
-# define COMPILER_ID "SunPro"
-# if __SUNPRO_CC >= 0x5100
-   /* __SUNPRO_CC = 0xVRRP */
-#  define COMPILER_VERSION_MAJOR HEX(__SUNPRO_CC>>12)
-#  define COMPILER_VERSION_MINOR HEX(__SUNPRO_CC>>4 & 0xFF)
-#  define COMPILER_VERSION_PATCH HEX(__SUNPRO_CC    & 0xF)
-# else
-   /* __SUNPRO_CC = 0xVRP */
-#  define COMPILER_VERSION_MAJOR HEX(__SUNPRO_CC>>8)
-#  define COMPILER_VERSION_MINOR HEX(__SUNPRO_CC>>4 & 0xF)
-#  define COMPILER_VERSION_PATCH HEX(__SUNPRO_CC    & 0xF)
-# endif
-
-#elif defined(__HP_aCC)
-# define COMPILER_ID "HP"
-  /* __HP_aCC = VVRRPP */
-# define COMPILER_VERSION_MAJOR DEC(__HP_aCC/10000)
-# define COMPILER_VERSION_MINOR DEC(__HP_aCC/100 % 100)
-# define COMPILER_VERSION_PATCH DEC(__HP_aCC     % 100)
-
-#elif defined(__DECCXX)
-# define COMPILER_ID "Compaq"
-  /* __DECCXX_VER = VVRRTPPPP */
-# define COMPILER_VERSION_MAJOR DEC(__DECCXX_VER/10000000)
-# define COMPILER_VERSION_MINOR DEC(__DECCXX_VER/100000  % 100)
-# define COMPILER_VERSION_PATCH DEC(__DECCXX_VER         % 10000)
-
-#elif defined(__IBMCPP__)
-# if defined(__COMPILER_VER__)
-#  define COMPILER_ID "zOS"
-# else
-#  if __IBMCPP__ >= 800
-#   define COMPILER_ID "XL"
-#  else
-#   define COMPILER_ID "VisualAge"
-#  endif
-   /* __IBMCPP__ = VRP */
-#  define COMPILER_VERSION_MAJOR DEC(__IBMCPP__/100)
-#  define COMPILER_VERSION_MINOR DEC(__IBMCPP__/10 % 10)
-#  define COMPILER_VERSION_PATCH DEC(__IBMCPP__    % 10)
-# endif
-
-#elif defined(__PGI)
-# define COMPILER_ID "PGI"
-# define COMPILER_VERSION_MAJOR DEC(__PGIC__)
-# define COMPILER_VERSION_MINOR DEC(__PGIC_MINOR__)
-# if defined(__PGIC_PATCHLEVEL__)
-#  define COMPILER_VERSION_PATCH DEC(__PGIC_PATCHLEVEL__)
-# endif
-
-#elif defined(_CRAYC)
-# define COMPILER_ID "Cray"
-# define COMPILER_VERSION_MAJOR DEC(_RELEASE)
-# define COMPILER_VERSION_MINOR DEC(_RELEASE_MINOR)
-
-#elif defined(__TI_COMPILER_VERSION__)
-# define COMPILER_ID "TI"
-  /* __TI_COMPILER_VERSION__ = VVVRRRPPP */
-# define COMPILER_VERSION_MAJOR DEC(__TI_COMPILER_VERSION__/1000000)
-# define COMPILER_VERSION_MINOR DEC(__TI_COMPILER_VERSION__/1000   % 1000)
-# define COMPILER_VERSION_PATCH DEC(__TI_COMPILER_VERSION__        % 1000)
-
-#elif defined(__SCO_VERSION__)
-# define COMPILER_ID "SCO"
-
-#elif defined(__GNUC__)
-# define COMPILER_ID "GNU"
-# define COMPILER_VERSION_MAJOR DEC(__GNUC__)
-# define COMPILER_VERSION_MINOR DEC(__GNUC_MINOR__)
-# if defined(__GNUC_PATCHLEVEL__)
-#  define COMPILER_VERSION_PATCH DEC(__GNUC_PATCHLEVEL__)
-# endif
-
-#elif defined(_MSC_VER)
-# define COMPILER_ID "MSVC"
-  /* _MSC_VER = VVRR */
-# define COMPILER_VERSION_MAJOR DEC(_MSC_VER / 100)
-# define COMPILER_VERSION_MINOR DEC(_MSC_VER % 100)
-# if defined(_MSC_FULL_VER)
-#  if _MSC_VER >= 1400
-    /* _MSC_FULL_VER = VVRRPPPPP */
-#   define COMPILER_VERSION_PATCH DEC(_MSC_FULL_VER % 100000)
-#  else
-    /* _MSC_FULL_VER = VVRRPPPP */
-#   define COMPILER_VERSION_PATCH DEC(_MSC_FULL_VER % 10000)
-#  endif
-# endif
-# if defined(_MSC_BUILD)
-#  define COMPILER_VERSION_TWEAK DEC(_MSC_BUILD)
-# endif
-
-/* Analog VisualDSP++ >= 4.5.6 */
-#elif defined(__VISUALDSPVERSION__)
-# define COMPILER_ID "ADSP"
-  /* __VISUALDSPVERSION__ = 0xVVRRPP00 */
-# define COMPILER_VERSION_MAJOR HEX(__VISUALDSPVERSION__>>24)
-# define COMPILER_VERSION_MINOR HEX(__VISUALDSPVERSION__>>16 & 0xFF)
-# define COMPILER_VERSION_PATCH HEX(__VISUALDSPVERSION__>>8  & 0xFF)
-
-/* Analog VisualDSP++ < 4.5.6 */
-#elif defined(__ADSPBLACKFIN__) || defined(__ADSPTS__) || defined(__ADSP21000__)
-# define COMPILER_ID "ADSP"
-
-/* IAR Systems compiler for embedded systems.
-   http://www.iar.com */
-#elif defined(__IAR_SYSTEMS_ICC__ ) || defined(__IAR_SYSTEMS_ICC)
-# define COMPILER_ID "IAR"
-
-#elif defined(_SGI_COMPILER_VERSION) || defined(_COMPILER_VERSION)
-# define COMPILER_ID "MIPSpro"
-# if defined(_SGI_COMPILER_VERSION)
-  /* _SGI_COMPILER_VERSION = VRP */
-#  define COMPILER_VERSION_MAJOR DEC(_SGI_COMPILER_VERSION/100)
-#  define COMPILER_VERSION_MINOR DEC(_SGI_COMPILER_VERSION/10 % 10)
-#  define COMPILER_VERSION_PATCH DEC(_SGI_COMPILER_VERSION    % 10)
-# else
-  /* _COMPILER_VERSION = VRP */
-#  define COMPILER_VERSION_MAJOR DEC(_COMPILER_VERSION/100)
-#  define COMPILER_VERSION_MINOR DEC(_COMPILER_VERSION/10 % 10)
-#  define COMPILER_VERSION_PATCH DEC(_COMPILER_VERSION    % 10)
-# endif
-
-/* These compilers are either not known or too old to define an
-   identification macro.  Try to identify the platform and guess that
-   it is the native compiler.  */
-#elif defined(__sgi)
-# define COMPILER_ID "MIPSpro"
-
-#elif defined(__hpux) || defined(__hpua)
-# define COMPILER_ID "HP"
-
-#else /* unknown compiler */
-# define COMPILER_ID ""
-
-#endif
+@CMAKE_CXX_COMPILER_ID_CONTENT@
 
 /* Construct the string literal in pieces to prevent the source from
    getting matched.  Store it in a pointer rather than an array

Modules/CMakeDetermineCompilerId.cmake

@@ -97,11 +97,88 @@ function(CMAKE_DETERMINE_COMPILER_ID lang flagvar src)
   set(CMAKE_${lang}_SIMULATE_VERSION "${CMAKE_${lang}_SIMULATE_VERSION}" PARENT_SCOPE)
 endfunction()
 
+function(_readFile file)
+  include(${file})
+  get_filename_component(name ${file} NAME_WE)
+  string(REGEX REPLACE "-.*" "" CompilerId ${name})
+  set(_compiler_id_version_compute_${CompilerId} ${_compiler_id_version_compute} PARENT_SCOPE)
+  set(_compiler_id_pp_test_${CompilerId} ${_compiler_id_pp_test} PARENT_SCOPE)
+endfunction()
+
 #-----------------------------------------------------------------------------
 # Function to write the compiler id source file.
 function(CMAKE_DETERMINE_COMPILER_ID_WRITE lang src)
   find_file(src_in ${src}.in PATHS ${CMAKE_ROOT}/Modules ${CMAKE_MODULE_PATH} NO_DEFAULT_PATH NO_CMAKE_FIND_ROOT_PATH)
   file(READ ${src_in} ID_CONTENT_IN)
+
+  file(GLOB lang_files
+    "${CMAKE_ROOT}/Modules/Compiler/*-${lang}-DetermineCompiler.cmake")
+
+  if (NOT lang STREQUAL Fortran)
+    file(GLOB non_lang_files
+      "${CMAKE_ROOT}/Modules/Compiler/*-${lang}-DetermineCompiler.cmake")
+  endif()
+
+  set(files ${lang_files} ${non_lang_files})
+  if (files)
+    foreach(file ${files})
+      _readFile(${file})
+    endforeach()
+    set(pp_if "#if")
+    set(CMAKE_CXX_COMPILER_ID_CONTENT "/* Version number components: V=Version, R=Revision, P=Patch
+   Version date components:   YYYY=Year, MM=Month,   DD=Day  */\n")
+
+    foreach(Id
+        Comeau
+        Intel
+        PathScale
+        AppleClang
+        Clang
+        Embarcadero
+        Borland
+        Watcom
+        OpenWatcom
+        SunPro
+        HP
+        Compaq
+        zOS
+        XL
+        VisualAge
+        PGI
+        Cray
+        TI
+        SCO
+        GNU
+        MSVC
+        ADSP
+        IAR
+        MIPSpro)
+      if (NOT _compiler_id_pp_test_${Id})
+        message(FATAL_ERROR "No test for \"${Id}\"")
+      endif()
+      set(id_content "${pp_if} ${_compiler_id_pp_test_${Id}}\n# define COMPILER_ID \"${Id}\"${_compiler_id_version_compute_${Id}}\n")
+      set(CMAKE_CXX_COMPILER_ID_CONTENT "${CMAKE_CXX_COMPILER_ID_CONTENT}\n${id_content}")
+      set(pp_if "#elif")
+    endforeach()
+
+    set(platform_compiler_detection "
+/* These compilers are either not known or too old to define an
+  identification macro.  Try to identify the platform and guess that
+  it is the native compiler.  */
+#elif defined(__sgi)
+# define COMPILER_ID \"MIPSpro\"
+
+#elif defined(__hpux) || defined(__hpua)
+# define COMPILER_ID \"HP\"
+
+#else /* unknown compiler */
+# define COMPILER_ID \"\"
+
+#endif")
+
+    set(CMAKE_CXX_COMPILER_ID_CONTENT "${CMAKE_CXX_COMPILER_ID_CONTENT}\n${platform_compiler_detection}")
+  endif()
+
   unset(src_in CACHE)
   string(CONFIGURE "${ID_CONTENT_IN}" ID_CONTENT_OUT @ONLY)
   file(WRITE ${CMAKE_${lang}_COMPILER_ID_DIR}/${src} "${ID_CONTENT_OUT}")

Modules/Compiler/ADSP-DetermineCompiler.cmake

@@ -0,0 +1,10 @@
+
+set(_compiler_id_pp_test "defined(__VISUALDSPVERSION__) || defined(__ADSPBLACKFIN__) || defined(__ADSPTS__) || defined(__ADSP21000__)")
+
+set(_compiler_id_version_compute "
+#if defined(__VISUALDSPVERSION__)
+  /* __VISUALDSPVERSION__ = 0xVVRRPP00 */
+# define COMPILER_VERSION_MAJOR HEX(__VISUALDSPVERSION__>>24)
+# define COMPILER_VERSION_MINOR HEX(__VISUALDSPVERSION__>>16 & 0xFF)
+# define COMPILER_VERSION_PATCH HEX(__VISUALDSPVERSION__>>8  & 0xFF)
+#endif")

Modules/Compiler/AppleClang-DetermineCompiler.cmake

@@ -0,0 +1,7 @@
+
+set(_compiler_id_pp_test "defined(__clang__) && defined(__apple_build_version__)")
+
+include("${CMAKE_CURRENT_LIST_DIR}/Clang-DetermineCompilerInternal.cmake")
+
+set(_compiler_id_version_compute "${_compiler_id_version_compute}
+# define COMPILER_VERSION_TWEAK DEC(__apple_build_version__)")

Modules/Compiler/Borland-DetermineCompiler.cmake

@@ -0,0 +1,7 @@
+
+set(_compiler_id_pp_test "defined(__BORLANDC__)")
+
+set(_compiler_id_version_compute "
+  /* __BORLANDC__ = 0xVRR */
+# define COMPILER_VERSION_MAJOR HEX(__BORLANDC__>>8)
+# define COMPILER_VERSION_MINOR HEX(__BORLANDC__ & 0xFF)")

Modules/Compiler/Clang-DetermineCompiler.cmake

@@ -0,0 +1,4 @@
+
+set(_compiler_id_pp_test "defined(__clang__)")
+
+include("${CMAKE_CURRENT_LIST_DIR}/Clang-DetermineCompilerInternal.cmake")

Modules/Compiler/Clang-DetermineCompilerInternal.cmake

@@ -0,0 +1,11 @@
+
+set(_compiler_id_version_compute "
+# define COMPILER_VERSION_MAJOR DEC(__clang_major__)
+# define COMPILER_VERSION_MINOR DEC(__clang_minor__)
+# define COMPILER_VERSION_PATCH DEC(__clang_patchlevel__)
+# if defined(_MSC_VER)
+#  define SIMULATE_ID \"MSVC\"
+   /* _MSC_VER = VVRR */
+#  define SIMULATE_VERSION_MAJOR DEC(_MSC_VER / 100)
+#  define SIMULATE_VERSION_MINOR DEC(_MSC_VER % 100)
+# endif")

Modules/Compiler/Comeau-CXX-DetermineCompiler.cmake

@@ -0,0 +1,7 @@
+
+set(_compiler_id_pp_test "defined(__COMO__)")
+
+set(_compiler_id_version_compute "
+  /* __COMO_VERSION__ = VRR */
+# define COMPILER_VERSION_MAJOR DEC(__COMO_VERSION__ / 100)
+# define COMPILER_VERSION_MINOR DEC(__COMO_VERSION__ % 100)")

Modules/Compiler/Compaq-CXX-DetermineCompiler.cmake

@@ -0,0 +1,8 @@
+
+set(_compiler_id_pp_test "defined(__DECCXX)")
+
+set(_compiler_id_version_compute "
+  /* __DECCXX_VER = VVRRTPPPP */
+# define COMPILER_VERSION_MAJOR DEC(__DECCXX_VER/10000000)
+# define COMPILER_VERSION_MINOR DEC(__DECCXX_VER/100000  % 100)
+# define COMPILER_VERSION_PATCH DEC(__DECCXX_VER         % 10000)")

Modules/Compiler/Cray-DetermineCompiler.cmake

@@ -0,0 +1,6 @@
+
+set(_compiler_id_pp_test "defined(_CRAYC)")
+
+set(_compiler_id_version_compute "
+# define COMPILER_VERSION_MAJOR DEC(_RELEASE)
+# define COMPILER_VERSION_MINOR DEC(_RELEASE_MINOR)")

Modules/Compiler/Embarcadero-DetermineCompiler.cmake

@@ -0,0 +1,7 @@
+
+set(_compiler_id_pp_test "defined(__BORLANDC__) && defined(__CODEGEARC_VERSION__)")
+
+set(_compiler_id_version_compute "
+# define COMPILER_VERSION_MAJOR HEX(__CODEGEARC_VERSION__>>24 & 0x00FF)
+# define COMPILER_VERSION_MINOR HEX(__CODEGEARC_VERSION__>>16 & 0x00FF)
+# define COMPILER_VERSION_PATCH HEX(__CODEGEARC_VERSION__     & 0xFFFF)")

Modules/Compiler/GNU-DetermineCompiler.cmake

@@ -0,0 +1,9 @@
+
+set(_compiler_id_pp_test "defined(__GNUC__)")
+
+set(_compiler_id_version_compute "
+# define COMPILER_VERSION_MAJOR DEC(__GNUC__)
+# define COMPILER_VERSION_MINOR DEC(__GNUC_MINOR__)
+# if defined(__GNUC_PATCHLEVEL__)
+#  define COMPILER_VERSION_PATCH DEC(__GNUC_PATCHLEVEL__)
+# endif")

Modules/Compiler/HP-CXX-DetermineCompiler.cmake

@@ -0,0 +1,8 @@
+
+set(_compiler_id_pp_test "defined(__HP_aCC)")
+
+set(_compiler_id_version_compute "
+  /* __HP_aCC = VVRRPP */
+# define COMPILER_VERSION_MAJOR DEC(__HP_aCC/10000)
+# define COMPILER_VERSION_MINOR DEC(__HP_aCC/100 % 100)
+# define COMPILER_VERSION_PATCH DEC(__HP_aCC     % 100)")

Modules/Compiler/IAR-DetermineCompiler.cmake

@@ -0,0 +1,4 @@
+
+# IAR Systems compiler for embedded systems.
+#   http://www.iar.com
+set(_compiler_id_pp_test "defined(__IAR_SYSTEMS_ICC__ ) || defined(__IAR_SYSTEMS_ICC)")

Modules/Compiler/IBMCPP-CXX-DetermineVersionInternal.cmake

@@ -0,0 +1,6 @@
+
+set(_compiler_id_version_compute "
+  /* __IBMCPP__ = VRP */
+# define COMPILER_VERSION_MAJOR DEC(__IBMCPP__/100)
+# define COMPILER_VERSION_MINOR DEC(__IBMCPP__/10 % 10)
+# define COMPILER_VERSION_PATCH DEC(__IBMCPP__    % 10)")

Modules/Compiler/Intel-DetermineCompiler.cmake

@@ -0,0 +1,22 @@
+
+set(_compiler_id_pp_test "defined(__INTEL_COMPILER) || defined(__ICC)")
+
+set(_compiler_id_version_compute "
+  /* __INTEL_COMPILER = VRP */
+# define COMPILER_VERSION_MAJOR DEC(__INTEL_COMPILER/100)
+# define COMPILER_VERSION_MINOR DEC(__INTEL_COMPILER/10 % 10)
+# if defined(__INTEL_COMPILER_UPDATE)
+#  define COMPILER_VERSION_PATCH DEC(__INTEL_COMPILER_UPDATE)
+# else
+#  define COMPILER_VERSION_PATCH DEC(__INTEL_COMPILER   % 10)
+# endif
+# if defined(__INTEL_COMPILER_BUILD_DATE)
+  /* __INTEL_COMPILER_BUILD_DATE = YYYYMMDD */
+#  define COMPILER_VERSION_TWEAK DEC(__INTEL_COMPILER_BUILD_DATE)
+# endif
+# if defined(_MSC_VER)
+#  define SIMULATE_ID \"MSVC\"
+   /* _MSC_VER = VVRR */
+#  define SIMULATE_VERSION_MAJOR DEC(_MSC_VER / 100)
+#  define SIMULATE_VERSION_MINOR DEC(_MSC_VER % 100)
+# endif")

Modules/Compiler/MIPSpro-DetermineCompiler.cmake

@@ -0,0 +1,15 @@
+
+set(_compiler_id_pp_test "defined(_SGI_COMPILER_VERSION) || defined(_COMPILER_VERSION)")
+
+set(_compiler_id_version_compute "
+# if defined(_SGI_COMPILER_VERSION)
+  /* _SGI_COMPILER_VERSION = VRP */
+#  define COMPILER_VERSION_MAJOR DEC(_SGI_COMPILER_VERSION/100)
+#  define COMPILER_VERSION_MINOR DEC(_SGI_COMPILER_VERSION/10 % 10)
+#  define COMPILER_VERSION_PATCH DEC(_SGI_COMPILER_VERSION    % 10)
+# else
+  /* _COMPILER_VERSION = VRP */
+#  define COMPILER_VERSION_MAJOR DEC(_COMPILER_VERSION/100)
+#  define COMPILER_VERSION_MINOR DEC(_COMPILER_VERSION/10 % 10)
+#  define COMPILER_VERSION_PATCH DEC(_COMPILER_VERSION    % 10)
+# endif")

Modules/Compiler/MSVC-DetermineCompiler.cmake

@@ -0,0 +1,19 @@
+
+set(_compiler_id_pp_test "defined(_MSC_VER)")
+
+set(_compiler_id_version_compute "
+  /* _MSC_VER = VVRR */
+# define COMPILER_VERSION_MAJOR DEC(_MSC_VER / 100)
+# define COMPILER_VERSION_MINOR DEC(_MSC_VER % 100)
+# if defined(_MSC_FULL_VER)
+#  if _MSC_VER >= 1400
+    /* _MSC_FULL_VER = VVRRPPPPP */
+#   define COMPILER_VERSION_PATCH DEC(_MSC_FULL_VER % 100000)
+#  else
+    /* _MSC_FULL_VER = VVRRPPPP */
+#   define COMPILER_VERSION_PATCH DEC(_MSC_FULL_VER % 10000)
+#  endif
+# endif
+# if defined(_MSC_BUILD)
+#  define COMPILER_VERSION_TWEAK DEC(_MSC_BUILD)
+# endif")

Modules/Compiler/OpenWatcom-DetermineCompiler.cmake

@@ -0,0 +1,10 @@
+
+set(_compiler_id_pp_test "defined(__WATCOMC__)")
+
+set(_compiler_id_version_compute "
+   /* __WATCOMC__ = VVRP + 1100 */
+# define COMPILER_VERSION_MAJOR DEC((__WATCOMC__ - 1100) / 100)
+# define COMPILER_VERSION_MINOR DEC((__WATCOMC__ / 10) % 10)
+# if (__WATCOMC__ % 10) > 0
+#  define COMPILER_VERSION_PATCH DEC(__WATCOMC__ % 10)
+# endif")

Modules/Compiler/PGI-DetermineCompiler.cmake

@@ -0,0 +1,9 @@
+
+set(_compiler_id_pp_test "defined(__PGI)")
+
+set(_compiler_id_version_compute "
+# define COMPILER_VERSION_MAJOR DEC(__PGIC__)
+# define COMPILER_VERSION_MINOR DEC(__PGIC_MINOR__)
+# if defined(__PGIC_PATCHLEVEL__)
+#  define COMPILER_VERSION_PATCH DEC(__PGIC_PATCHLEVEL__)
+# endif")

Modules/Compiler/PathScale-DetermineCompiler.cmake

@@ -0,0 +1,9 @@
+
+set(_compiler_id_pp_test "defined(__PATHCC__)")
+
+set(_compiler_id_version_compute "
+# define COMPILER_VERSION_MAJOR DEC(__PATHCC__)
+# define COMPILER_VERSION_MINOR DEC(__PATHCC_MINOR__)
+# if defined(__PATHCC_PATCHLEVEL__)
+#  define COMPILER_VERSION_PATCH DEC(__PATHCC_PATCHLEVEL__)
+# endif")

Modules/Compiler/SCO-DetermineCompiler.cmake

@@ -0,0 +1,2 @@
+
+set(_compiler_id_pp_test "defined(__SCO_VERSION__)")

Modules/Compiler/SunPro-CXX-DetermineCompiler.cmake

@@ -0,0 +1,15 @@
+
+set(_compiler_id_pp_test "defined(__SUNPRO_CC)")
+
+set(_compiler_id_version_compute "
+# if __SUNPRO_CC >= 0x5100
+   /* __SUNPRO_CC = 0xVRRP */
+#  define COMPILER_VERSION_MAJOR HEX(__SUNPRO_CC>>12)
+#  define COMPILER_VERSION_MINOR HEX(__SUNPRO_CC>>4 & 0xFF)
+#  define COMPILER_VERSION_PATCH HEX(__SUNPRO_CC    & 0xF)
+# else
+   /* __SUNPRO_CC = 0xVRP */
+#  define COMPILER_VERSION_MAJOR HEX(__SUNPRO_CC>>8)
+#  define COMPILER_VERSION_MINOR HEX(__SUNPRO_CC>>4 & 0xF)
+#  define COMPILER_VERSION_PATCH HEX(__SUNPRO_CC    & 0xF)
+# endif")

Modules/Compiler/TI-DetermineCompiler.cmake

@@ -0,0 +1,8 @@
+
+set(_compiler_id_pp_test "defined(__TI_COMPILER_VERSION__)")
+
+set(_compiler_id_version_compute "
+  /* __TI_COMPILER_VERSION__ = VVVRRRPPP */
+# define COMPILER_VERSION_MAJOR DEC(__TI_COMPILER_VERSION__/1000000)
+# define COMPILER_VERSION_MINOR DEC(__TI_COMPILER_VERSION__/1000   % 1000)
+# define COMPILER_VERSION_PATCH DEC(__TI_COMPILER_VERSION__        % 1000)")

Modules/Compiler/VisualAge-CXX-DetermineCompiler.cmake

@@ -0,0 +1,4 @@
+
+set(_compiler_id_pp_test "defined(__IBMCPP__) && !defined(__COMPILER_VER__) && __IBMCPP__ < 800")
+
+include("${CMAKE_CURRENT_LIST_DIR}/IBMCPP-CXX-DetermineVersionInternal.cmake")

Modules/Compiler/Watcom-DetermineCompiler.cmake

@@ -0,0 +1,10 @@
+
+set(_compiler_id_pp_test "defined(__WATCOMC__) && __WATCOMC__ < 1200")
+
+set(_compiler_id_version_compute "
+   /* __WATCOMC__ = VVRR */
+# define COMPILER_VERSION_MAJOR DEC(__WATCOMC__ / 100)
+# define COMPILER_VERSION_MINOR DEC((__WATCOMC__ / 10) % 10)
+# if (__WATCOMC__ % 10) > 0
+#  define COMPILER_VERSION_PATCH DEC(__WATCOMC__ % 10)
+# endif")

Modules/Compiler/XL-CXX-DetermineCompiler.cmake

@@ -0,0 +1,4 @@
+
+set(_compiler_id_pp_test "defined(__IBMCPP__) && !defined(__COMPILER_VER__) && __IBMCPP__ >= 800")
+
+include("${CMAKE_CURRENT_LIST_DIR}/IBMCPP-CXX-DetermineVersionInternal.cmake")

Modules/Compiler/zOS-CXX-DetermineCompiler.cmake

@@ -0,0 +1,4 @@
+
+set(_compiler_id_pp_test "defined(__IBMCPP__) && defined(__COMPILER_VER__)")
+
+include("${CMAKE_CURRENT_LIST_DIR}/IBMCPP-CXX-DetermineVersionInternal.cmake")