[CMAKE]
authorAmine Khaldi <amine.khaldi@reactos.org>
Sat, 15 Dec 2012 11:03:50 +0000 (11:03 +0000)
committerAmine Khaldi <amine.khaldi@reactos.org>
Sat, 15 Dec 2012 11:03:50 +0000 (11:03 +0000)
* Transition phase for asm handling between the actual and the upcoming RosBE.

svn path=/trunk/; revision=57919

reactos/cmake/CMakeDetermineASMCompiler.cmake

index 1728dc1..df3ecdc 100644 (file)
@@ -12,6 +12,8 @@
 # (To distribute this file outside of CMake, substitute the full
 #  License text for the above reference.)
 
+if(CMAKE_VERSION VERSION_LESS 2.8.10)
+
 # determine the compiler to use for ASM programs
 
 IF(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER)
@@ -180,3 +182,165 @@ CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CMakeASMCompiler.cmake.in
 SET(_CMAKE_ASM_COMPILER)
 SET(_CMAKE_ASM_COMPILER_ARG1)
 SET(_CMAKE_ASM_COMPILER_ENV_VAR)
+    
+else()
+
+# determine the compiler to use for ASM programs
+
+include(${CMAKE_ROOT}/Modules/CMakeDetermineCompiler.cmake)
+
+if(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER)
+  # prefer the environment variable ASM
+  if($ENV{ASM${ASM_DIALECT}} MATCHES ".+")
+    set(CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT "$ENV{ASM${ASM_DIALECT}}")
+  endif()
+
+  # finally list compilers to try
+  if("ASM${ASM_DIALECT}" STREQUAL "ASM") # the generic assembler support
+    if(NOT CMAKE_ASM_COMPILER_INIT)
+      if(CMAKE_C_COMPILER)
+        set(CMAKE_ASM_COMPILER "${CMAKE_C_COMPILER}" CACHE FILEPATH "The ASM compiler")
+        set(CMAKE_ASM_COMPILER_ID "${CMAKE_C_COMPILER_ID}")
+      elseif(CMAKE_CXX_COMPILER)
+        set(CMAKE_ASM_COMPILER "${CMAKE_CXX_COMPILER}" CACHE FILEPATH "The ASM compiler")
+        set(CMAKE_ASM_COMPILER_ID "${CMAKE_CXX_COMPILER_ID}")
+      else()
+        # List all default C and CXX compilers
+        set(CMAKE_ASM${ASM_DIALECT}_COMPILER_LIST
+             ${_CMAKE_TOOLCHAIN_PREFIX}cc  ${_CMAKE_TOOLCHAIN_PREFIX}gcc cl bcc xlc
+          CC ${_CMAKE_TOOLCHAIN_PREFIX}c++ ${_CMAKE_TOOLCHAIN_PREFIX}g++ aCC cl bcc xlC)
+      endif()
+    endif()
+  else() # some specific assembler "dialect"
+    if(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT)
+      message(FATAL_ERROR "CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT must be preset !")
+    endif()
+  endif()
+
+  # Find the compiler.
+  _cmake_find_compiler(ASM${ASM_DIALECT})
+
+else()
+
+  # we only get here if CMAKE_ASM${ASM_DIALECT}_COMPILER was specified using -D or a pre-made CMakeCache.txt
+  # (e.g. via ctest) or set in CMAKE_TOOLCHAIN_FILE
+  #
+  # if a compiler was specified by the user but without path,
+  # now try to find it with the full path
+  # if it is found, force it into the cache,
+  # if not, don't overwrite the setting (which was given by the user) with "NOTFOUND"
+  get_filename_component(_CMAKE_USER_ASM${ASM_DIALECT}_COMPILER_PATH "${CMAKE_ASM${ASM_DIALECT}_COMPILER}" PATH)
+  if(NOT _CMAKE_USER_ASM${ASM_DIALECT}_COMPILER_PATH)
+    find_program(CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH NAMES ${CMAKE_ASM${ASM_DIALECT}_COMPILER})
+    mark_as_advanced(CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH)
+    if(CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH)
+      set(CMAKE_ASM${ASM_DIALECT}_COMPILER ${CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH} CACHE FILEPATH "Assembler" FORCE)
+    endif()
+  endif()
+endif()
+mark_as_advanced(CMAKE_ASM${ASM_DIALECT}_COMPILER)
+
+if (NOT _CMAKE_TOOLCHAIN_LOCATION)
+  get_filename_component(_CMAKE_TOOLCHAIN_LOCATION "${CMAKE_ASM${ASM_DIALECT}_COMPILER}" PATH)
+endif ()
+
+
+if(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
+
+  # Table of per-vendor compiler id flags with expected output.
+  list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS GNU )
+  set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_GNU "--version")
+  set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_GNU "(GNU assembler)|(GCC)|(Free Software Foundation)")
+
+  list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS HP )
+  set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_HP "-V")
+  set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_HP "HP C")
+
+  list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS Intel )
+  set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_Intel "--version")
+  set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_Intel "(ICC)")
+
+  list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS SunPro )
+  set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_SunPro "-V")
+  set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_SunPro "Sun C")
+
+  list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS XL )
+  set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_XL "-qversion")
+  set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_XL "XL C")
+
+  list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS MSVC )
+  set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_MSVC "/?")
+  set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_MSVC "Microsoft")
+
+  list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS TI_DSP )
+  set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_TI_DSP "-h")
+  set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_TI_DSP "Texas Instruments")
+
+  include(CMakeDetermineCompilerId)
+  CMAKE_DETERMINE_COMPILER_ID_VENDOR(ASM${ASM_DIALECT})
+
+endif()
+
+if(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
+  message(STATUS "The ASM${ASM_DIALECT} compiler identification is ${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID}")
+else()
+  message(STATUS "The ASM${ASM_DIALECT} compiler identification is unknown")
+endif()
+
+
+
+# If we have a gas/as cross compiler, they have usually some prefix, like
+# e.g. powerpc-linux-gas, arm-elf-gas or i586-mingw32msvc-gas , optionally
+# with a 3-component version number at the end
+# The other tools of the toolchain usually have the same prefix
+# NAME_WE cannot be used since then this test will fail for names lile
+# "arm-unknown-nto-qnx6.3.0-gas.exe", where BASENAME would be
+# "arm-unknown-nto-qnx6" instead of the correct "arm-unknown-nto-qnx6.3.0-"
+if (NOT _CMAKE_TOOLCHAIN_PREFIX)
+  get_filename_component(COMPILER_BASENAME "${CMAKE_ASM${ASM_DIALECT}_COMPILER}" NAME)
+  if (COMPILER_BASENAME MATCHES "^(.+-)g?as(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
+    set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
+  endif ()
+endif ()
+
+# Now try the C compiler regexp:
+if (NOT _CMAKE_TOOLCHAIN_PREFIX)
+  if (COMPILER_BASENAME MATCHES "^(.+-)g?cc(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
+    set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
+  endif ()
+endif ()
+
+# Finally try the CXX compiler regexp:
+if (NOT _CMAKE_TOOLCHAIN_PREFIX)
+  if (COMPILER_BASENAME MATCHES "^(.+-)[gc]\\+\\+(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
+    set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
+  endif ()
+endif ()
+
+
+include(CMakeFindBinUtils)
+
+set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ENV_VAR "ASM${ASM_DIALECT}")
+
+if(CMAKE_ASM${ASM_DIALECT}_COMPILER)
+  message(STATUS "Found assembler: ${CMAKE_ASM${ASM_DIALECT}_COMPILER}")
+else()
+  message(STATUS "Didn't find assembler")
+endif()
+
+
+set(_CMAKE_ASM_COMPILER "${CMAKE_ASM${ASM_DIALECT}_COMPILER}")
+set(_CMAKE_ASM_COMPILER_ID "${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID}")
+set(_CMAKE_ASM_COMPILER_ARG1 "${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARG1}")
+set(_CMAKE_ASM_COMPILER_ENV_VAR "${CMAKE_ASM${ASM_DIALECT}_COMPILER_ENV_VAR}")
+
+# configure variables set in this file for fast reload later on
+configure_file(${CMAKE_ROOT}/Modules/CMakeASMCompiler.cmake.in
+  ${CMAKE_PLATFORM_INFO_DIR}/CMakeASM${ASM_DIALECT}Compiler.cmake IMMEDIATE @ONLY)
+
+set(_CMAKE_ASM_COMPILER)
+set(_CMAKE_ASM_COMPILER_ARG1)
+set(_CMAKE_ASM_COMPILER_ENV_VAR)
+    
+endif()
+