25 Jul
2011
25 Jul
'11
8:50 p.m.
Author: akhaldi
Date: Mon Jul 25 20:50:05 2011
New Revision: 52873
URL: http://svn.reactos.org/svn/reactos?rev=52873&view=rev
Log:
[CMAKE]
* Update our asm support thanks to Jerome.
* Bring in CMakeDetermineCompilerId.cmake to make sure this will work for pretty much all
systems.
* Disable the use of response files when you enable ccache.
Added:
trunk/reactos/cmake/CMakeDetermineCompilerId.cmake
Modified:
trunk/reactos/CMakeLists.txt
trunk/reactos/cmake/CMakeDetermineASMCompiler.cmake
Modified: trunk/reactos/CMakeLists.txt
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/CMakeLists.txt?rev=52873&a…
==============================================================================
--- trunk/reactos/CMakeLists.txt [iso-8859-1] (original)
+++ trunk/reactos/CMakeLists.txt [iso-8859-1] Mon Jul 25 20:50:05 2011
@@ -77,6 +77,11 @@
#useful stuff!
include(CMakeParseArguments)
+
+ if(ENABLE_CCACHE)
+ set(CMAKE_C_USE_RESPONSE_FILE_FOR_INCLUDES OFF)
+ set(CMAKE_CXX_USE_RESPONSE_FILE_FOR_INCLUDES OFF)
+ endif()
# Do some cleanup
file(REMOVE
Modified: trunk/reactos/cmake/CMakeDetermineASMCompiler.cmake
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/cmake/CMakeDetermineASMCom…
==============================================================================
--- trunk/reactos/cmake/CMakeDetermineASMCompiler.cmake [iso-8859-1] (original)
+++ trunk/reactos/cmake/CMakeDetermineASMCompiler.cmake [iso-8859-1] Mon Jul 25 20:50:05
2011
@@ -1,3 +1,4 @@
+
#=============================================================================
# Copyright 2007-2009 Kitware, Inc.
#
@@ -20,11 +21,37 @@
ENDIF($ENV{ASM${ASM_DIALECT}} MATCHES ".+")
# finally list compilers to try
- IF(CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT)
- SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_LIST ${CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT})
- ELSE(CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT)
- SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_LIST ${_CMAKE_TOOLCHAIN_PREFIX}as
${_CMAKE_TOOLCHAIN_PREFIX}gas)
- ENDIF(CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT)
+ IF("ASM${ASM_DIALECT}" STREQUAL "ASM") # the generic assembler
support
+
+ IF(CMAKE_ASM_COMPILER_INIT)
+ SET(CMAKE_ASM_COMPILER_LIST ${CMAKE_ASM_COMPILER_INIT})
+ ELSE(CMAKE_ASM_COMPILER_INIT)
+
+ IF(CMAKE_C_COMPILER)
+ SET(CMAKE_ASM_COMPILER "${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 "${CMAKE_CXX_COMPILER_ID}")
+ ELSE(CMAKE_CXX_COMPILER)
+ # List all default C and CXX compilers
+ SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_LIST ${_CMAKE_TOOLCHAIN_PREFIX}gcc
${_CMAKE_TOOLCHAIN_PREFIX}cc cl bcc xlc
+ ${_CMAKE_TOOLCHAIN_PREFIX}c++
${_CMAKE_TOOLCHAIN_PREFIX}g++ CC aCC cl bcc xlC)
+ ENDIF(CMAKE_C_COMPILER)
+
+ ENDIF(CMAKE_ASM_COMPILER_INIT)
+
+
+ ELSE("ASM${ASM_DIALECT}" STREQUAL "ASM") # some specific assembler
"dialect"
+
+ IF(CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT)
+ SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_LIST
${CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT})
+ ELSE(CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT)
+ MESSAGE(FATAL_ERROR "CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT must be preset
!")
+ ENDIF(CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT)
+
+ ENDIF("ASM${ASM_DIALECT}" STREQUAL "ASM")
+
# Find the compiler.
IF (_CMAKE_USER_CXX_COMPILER_PATH OR _CMAKE_USER_C_COMPILER_PATH)
@@ -62,21 +89,43 @@
# 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${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_GNU "GNU assembler")
+ SET(CMAKE_ASM${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${ASM_DIALECT}_COMPILER_ID_VENDORS TI_DSP )
SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_TI_DSP "-h")
SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_TI_DSP "Texas
Instruments")
+
+ LIST(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS VISUAL)
+ SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_VISUAL "/?")
+ SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_VISUAL "Microsoft
Corporation")
INCLUDE(CMakeDetermineCompilerId)
CMAKE_DETERMINE_COMPILER_ID_VENDOR(ASM${ASM_DIALECT})
- IF(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
- MESSAGE(STATUS "The ASM${ASM_DIALECT} compiler identification is
${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID}")
- ELSE(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
- MESSAGE(STATUS "The ASM${ASM_DIALECT} compiler identification is unknown")
- ENDIF(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
+ENDIF()
-ENDIF()
+IF(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
+ MESSAGE(STATUS "The ASM${ASM_DIALECT} compiler identification is
${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID}")
+ELSE(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
+ MESSAGE(STATUS "The ASM${ASM_DIALECT} compiler identification is unknown")
+ENDIF(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
+
# If we have a gas/as cross compiler, they have usually some prefix, like
@@ -89,9 +138,24 @@
IF (NOT _CMAKE_TOOLCHAIN_PREFIX)
GET_FILENAME_COMPONENT(COMPILER_BASENAME
"${CMAKE_ASM${ASM_DIALECT}_COMPILER}" NAME)
IF (COMPILER_BASENAME MATCHES
"^(.+-)g?as(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
- STRING(REGEX REPLACE "^(.+-)g?as(\\.exe)?$" "\\1"
_CMAKE_TOOLCHAIN_PREFIX "${COMPILER_BASENAME}")
+ SET(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
ENDIF (COMPILER_BASENAME MATCHES
"^(.+-)g?as(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
ENDIF (NOT _CMAKE_TOOLCHAIN_PREFIX)
+
+# 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 ${CMAKE_MATCH_1})
+ ENDIF (COMPILER_BASENAME MATCHES
"^(.+-)g?cc(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
+ENDIF (NOT _CMAKE_TOOLCHAIN_PREFIX)
+
+# 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 ${CMAKE_MATCH_1})
+ ENDIF (COMPILER_BASENAME MATCHES
"^(.+-)[gc]\\+\\+(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
+ENDIF (NOT _CMAKE_TOOLCHAIN_PREFIX)
+
INCLUDE(CMakeFindBinUtils)
@@ -105,6 +169,7 @@
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}")
Added: trunk/reactos/cmake/CMakeDetermineCompilerId.cmake
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/cmake/CMakeDetermineCompil…
==============================================================================
--- trunk/reactos/cmake/CMakeDetermineCompilerId.cmake (added)
+++ trunk/reactos/cmake/CMakeDetermineCompilerId.cmake [iso-8859-1] Mon Jul 25 20:50:05
2011
@@ -1,0 +1,315 @@
+
+#=============================================================================
+# Copyright 2007-2009 Kitware, Inc.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+# License text for the above reference.)
+
+# Function to compile a source file to identify the compiler. This is
+# used internally by CMake and should not be included by user code.
+# If successful, sets CMAKE_<lang>_COMPILER_ID and CMAKE_<lang>_PLATFORM_ID
+
+FUNCTION(CMAKE_DETERMINE_COMPILER_ID lang flagvar src)
+ # Make sure the compiler arguments are clean.
+ STRING(STRIP "${CMAKE_${lang}_COMPILER_ARG1}"
CMAKE_${lang}_COMPILER_ID_ARG1)
+ STRING(REGEX REPLACE " +" ";" CMAKE_${lang}_COMPILER_ID_ARG1
"${CMAKE_${lang}_COMPILER_ID_ARG1}")
+
+ # Make sure user-specified compiler flags are used.
+ IF(CMAKE_${lang}_FLAGS)
+ SET(CMAKE_${lang}_COMPILER_ID_FLAGS ${CMAKE_${lang}_FLAGS})
+ ELSE(CMAKE_${lang}_FLAGS)
+ SET(CMAKE_${lang}_COMPILER_ID_FLAGS $ENV{${flagvar}})
+ ENDIF(CMAKE_${lang}_FLAGS)
+ STRING(REGEX REPLACE " " ";" CMAKE_${lang}_COMPILER_ID_FLAGS_LIST
"${CMAKE_${lang}_COMPILER_ID_FLAGS}")
+
+ # Compute the directory in which to run the test.
+ SET(CMAKE_${lang}_COMPILER_ID_DIR
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CompilerId${lang})
+
+ # Try building with no extra flags and then try each set
+ # of helper flags. Stop when the compiler is identified.
+ FOREACH(flags "" ${CMAKE_${lang}_COMPILER_ID_TEST_FLAGS})
+ IF(NOT CMAKE_${lang}_COMPILER_ID)
+ CMAKE_DETERMINE_COMPILER_ID_BUILD("${lang}" "${flags}"
"${src}")
+ FOREACH(file ${COMPILER_${lang}_PRODUCED_FILES})
+ CMAKE_DETERMINE_COMPILER_ID_CHECK("${lang}"
"${CMAKE_${lang}_COMPILER_ID_DIR}/${file}" "${src}")
+ ENDFOREACH(file)
+ ENDIF(NOT CMAKE_${lang}_COMPILER_ID)
+ ENDFOREACH(flags)
+
+ # If the compiler is still unknown, try to query its vendor.
+ IF(NOT CMAKE_${lang}_COMPILER_ID)
+ CMAKE_DETERMINE_COMPILER_ID_VENDOR(${lang})
+ ENDIF()
+
+ # if the format is unknown after all files have been checked, put "Unknown"
in the cache
+ IF(NOT CMAKE_EXECUTABLE_FORMAT)
+ SET(CMAKE_EXECUTABLE_FORMAT "Unknown" CACHE INTERNAL "Executable file
format")
+ ENDIF(NOT CMAKE_EXECUTABLE_FORMAT)
+
+ # Display the final identification result.
+ IF(CMAKE_${lang}_COMPILER_ID)
+ MESSAGE(STATUS "The ${lang} compiler identification is "
+ "${CMAKE_${lang}_COMPILER_ID}")
+ ELSE(CMAKE_${lang}_COMPILER_ID)
+ MESSAGE(STATUS "The ${lang} compiler identification is unknown")
+ ENDIF(CMAKE_${lang}_COMPILER_ID)
+
+ SET(CMAKE_${lang}_COMPILER_ID "${CMAKE_${lang}_COMPILER_ID}" PARENT_SCOPE)
+ SET(CMAKE_${lang}_PLATFORM_ID "${CMAKE_${lang}_PLATFORM_ID}" PARENT_SCOPE)
+ SET(MSVC_${lang}_ARCHITECTURE_ID "${MSVC_${lang}_ARCHITECTURE_ID}"
+ PARENT_SCOPE)
+ENDFUNCTION(CMAKE_DETERMINE_COMPILER_ID)
+
+#-----------------------------------------------------------------------------
+# Function to write the compiler id source file.
+FUNCTION(CMAKE_DETERMINE_COMPILER_ID_WRITE lang src)
+ FILE(READ ${CMAKE_ROOT}/Modules/${src}.in ID_CONTENT_IN)
+ STRING(CONFIGURE "${ID_CONTENT_IN}" ID_CONTENT_OUT @ONLY)
+ FILE(WRITE ${CMAKE_${lang}_COMPILER_ID_DIR}/${src} "${ID_CONTENT_OUT}")
+ENDFUNCTION(CMAKE_DETERMINE_COMPILER_ID_WRITE)
+
+#-----------------------------------------------------------------------------
+# Function to build the compiler id source file and look for output
+# files.
+FUNCTION(CMAKE_DETERMINE_COMPILER_ID_BUILD lang testflags src)
+ # Create a clean working directory.
+ FILE(REMOVE_RECURSE ${CMAKE_${lang}_COMPILER_ID_DIR})
+ FILE(MAKE_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR})
+ CMAKE_DETERMINE_COMPILER_ID_WRITE("${lang}" "${src}")
+
+ # Construct a description of this test case.
+ SET(COMPILER_DESCRIPTION
+ "Compiler: ${CMAKE_${lang}_COMPILER} ${CMAKE_${lang}_COMPILER_ID_ARG1}
+Build flags: ${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}
+Id flags: ${testflags}
+")
+
+ # Compile the compiler identification source.
+ IF(COMMAND EXECUTE_PROCESS)
+ EXECUTE_PROCESS(
+ COMMAND ${CMAKE_${lang}_COMPILER}
+ ${CMAKE_${lang}_COMPILER_ID_ARG1}
+ ${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}
+ ${testflags}
+ "${src}"
+ WORKING_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR}
+ OUTPUT_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
+ ERROR_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
+ RESULT_VARIABLE CMAKE_${lang}_COMPILER_ID_RESULT
+ )
+ ELSE(COMMAND EXECUTE_PROCESS)
+ EXEC_PROGRAM(
+ ${CMAKE_${lang}_COMPILER} ${CMAKE_${lang}_COMPILER_ID_DIR}
+ ARGS ${CMAKE_${lang}_COMPILER_ID_ARG1}
+ ${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}
+ ${testflags}
+ \"${src}\"
+ OUTPUT_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
+ RETURN_VALUE CMAKE_${lang}_COMPILER_ID_RESULT
+ )
+ ENDIF(COMMAND EXECUTE_PROCESS)
+
+ # Check the result of compilation.
+ IF(CMAKE_${lang}_COMPILER_ID_RESULT)
+ # Compilation failed.
+ SET(MSG
+ "Compiling the ${lang} compiler identification source file
\"${src}\" failed.
+${COMPILER_DESCRIPTION}
+The output was:
+${CMAKE_${lang}_COMPILER_ID_RESULT}
+${CMAKE_${lang}_COMPILER_ID_OUTPUT}
+
+")
+ FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"${MSG}")
+ #IF(NOT CMAKE_${lang}_COMPILER_ID_ALLOW_FAIL)
+ # MESSAGE(FATAL_ERROR "${MSG}")
+ #ENDIF(NOT CMAKE_${lang}_COMPILER_ID_ALLOW_FAIL)
+
+ # No output files should be inspected.
+ SET(COMPILER_${lang}_PRODUCED_FILES)
+ ELSE(CMAKE_${lang}_COMPILER_ID_RESULT)
+ # Compilation succeeded.
+ FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
+ "Compiling the ${lang} compiler identification source file
\"${src}\" succeeded.
+${COMPILER_DESCRIPTION}
+The output was:
+${CMAKE_${lang}_COMPILER_ID_RESULT}
+${CMAKE_${lang}_COMPILER_ID_OUTPUT}
+
+")
+
+ # Find the executable produced by the compiler, try all files in the
+ # binary dir.
+ FILE(GLOB COMPILER_${lang}_PRODUCED_FILES
+ RELATIVE ${CMAKE_${lang}_COMPILER_ID_DIR}
+ ${CMAKE_${lang}_COMPILER_ID_DIR}/*)
+ LIST(REMOVE_ITEM COMPILER_${lang}_PRODUCED_FILES "${src}")
+ FOREACH(file ${COMPILER_${lang}_PRODUCED_FILES})
+ FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
+ "Compilation of the ${lang} compiler identification source \""
+ "${src}\" produced \"${file}\"\n\n")
+ ENDFOREACH(file)
+
+ IF(NOT COMPILER_${lang}_PRODUCED_FILES)
+ # No executable was found.
+ FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
+ "Compilation of the ${lang} compiler identification source \""
+ "${src}\" did not produce an executable in \""
+ "${CMAKE_${lang}_COMPILER_ID_DIR}\".\n\n")
+ ENDIF(NOT COMPILER_${lang}_PRODUCED_FILES)
+ ENDIF(CMAKE_${lang}_COMPILER_ID_RESULT)
+
+ # Return the files produced by the compilation.
+ SET(COMPILER_${lang}_PRODUCED_FILES "${COMPILER_${lang}_PRODUCED_FILES}"
PARENT_SCOPE)
+ENDFUNCTION(CMAKE_DETERMINE_COMPILER_ID_BUILD lang testflags src)
+
+#-----------------------------------------------------------------------------
+# Function to extract the compiler id from an executable.
+FUNCTION(CMAKE_DETERMINE_COMPILER_ID_CHECK lang file)
+ # Look for a compiler id if not yet known.
+ IF(NOT CMAKE_${lang}_COMPILER_ID)
+ # Read the compiler identification string from the executable file.
+ SET(COMPILER_ID)
+ SET(PLATFORM_ID)
+ FILE(STRINGS ${file}
+ CMAKE_${lang}_COMPILER_ID_STRINGS LIMIT_COUNT 3 REGEX "INFO:")
+ SET(HAVE_COMPILER_TWICE 0)
+ FOREACH(info ${CMAKE_${lang}_COMPILER_ID_STRINGS})
+ IF("${info}" MATCHES ".*INFO:compiler\\[([^]\"]*)\\].*")
+ IF(COMPILER_ID)
+ SET(COMPILER_ID_TWICE 1)
+ ENDIF(COMPILER_ID)
+ STRING(REGEX REPLACE ".*INFO:compiler\\[([^]]*)\\].*" "\\1"
+ COMPILER_ID "${info}")
+ ENDIF("${info}" MATCHES
".*INFO:compiler\\[([^]\"]*)\\].*")
+ IF("${info}" MATCHES ".*INFO:platform\\[([^]\"]*)\\].*")
+ STRING(REGEX REPLACE ".*INFO:platform\\[([^]]*)\\].*" "\\1"
+ PLATFORM_ID "${info}")
+ ENDIF("${info}" MATCHES
".*INFO:platform\\[([^]\"]*)\\].*")
+ IF("${info}" MATCHES ".*INFO:arch\\[([^]\"]*)\\].*")
+ STRING(REGEX REPLACE ".*INFO:arch\\[([^]]*)\\].*" "\\1"
+ ARCHITECTURE_ID "${info}")
+ ENDIF("${info}" MATCHES ".*INFO:arch\\[([^]\"]*)\\].*")
+ ENDFOREACH(info)
+
+ # Check if a valid compiler and platform were found.
+ IF(COMPILER_ID AND NOT COMPILER_ID_TWICE)
+ SET(CMAKE_${lang}_COMPILER_ID "${COMPILER_ID}")
+ SET(CMAKE_${lang}_PLATFORM_ID "${PLATFORM_ID}")
+ SET(MSVC_${lang}_ARCHITECTURE_ID "${ARCHITECTURE_ID}")
+ ENDIF(COMPILER_ID AND NOT COMPILER_ID_TWICE)
+
+ # Check the compiler identification string.
+ IF(CMAKE_${lang}_COMPILER_ID)
+ # The compiler identification was found.
+ FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
+ "The ${lang} compiler identification is ${CMAKE_${lang}_COMPILER_ID}, found
in \""
+ "${file}\"\n\n")
+ ELSE(CMAKE_${lang}_COMPILER_ID)
+ # The compiler identification could not be found.
+ FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
+ "The ${lang} compiler identification could not be found in \""
+ "${file}\"\n\n")
+ ENDIF(CMAKE_${lang}_COMPILER_ID)
+ ENDIF(NOT CMAKE_${lang}_COMPILER_ID)
+
+ # try to figure out the executable format: ELF, COFF, Mach-O
+ IF(NOT CMAKE_EXECUTABLE_FORMAT)
+ FILE(READ ${file} CMAKE_EXECUTABLE_MAGIC LIMIT 4 HEX)
+
+ # ELF files start with 0x7f"ELF"
+ IF("${CMAKE_EXECUTABLE_MAGIC}" STREQUAL "7f454c46")
+ SET(CMAKE_EXECUTABLE_FORMAT "ELF" CACHE INTERNAL "Executable file
format")
+ ENDIF("${CMAKE_EXECUTABLE_MAGIC}" STREQUAL "7f454c46")
+
+# # COFF (.exe) files start with "MZ"
+# IF("${CMAKE_EXECUTABLE_MAGIC}" MATCHES "4d5a....")
+# SET(CMAKE_EXECUTABLE_FORMAT "COFF" CACHE STRING "Executable file
format")
+# ENDIF("${CMAKE_EXECUTABLE_MAGIC}" MATCHES "4d5a....")
+#
+# # Mach-O files start with CAFEBABE or FEEDFACE, according to
http://radio.weblogs.com/0100490/2003/01/28.html
+# IF("${CMAKE_EXECUTABLE_MAGIC}" MATCHES "cafebabe")
+# SET(CMAKE_EXECUTABLE_FORMAT "MACHO" CACHE STRING "Executable file
format")
+# ENDIF("${CMAKE_EXECUTABLE_MAGIC}" MATCHES "cafebabe")
+# IF("${CMAKE_EXECUTABLE_MAGIC}" MATCHES "feedface")
+# SET(CMAKE_EXECUTABLE_FORMAT "MACHO" CACHE STRING "Executable file
format")
+# ENDIF("${CMAKE_EXECUTABLE_MAGIC}" MATCHES "feedface")
+
+ ENDIF(NOT CMAKE_EXECUTABLE_FORMAT)
+ IF(NOT DEFINED CMAKE_EXECUTABLE_FORMAT)
+ SET(CMAKE_EXECUTABLE_FORMAT)
+ ENDIF()
+ # Return the information extracted.
+ SET(CMAKE_${lang}_COMPILER_ID "${CMAKE_${lang}_COMPILER_ID}" PARENT_SCOPE)
+ SET(CMAKE_${lang}_PLATFORM_ID "${CMAKE_${lang}_PLATFORM_ID}" PARENT_SCOPE)
+ SET(MSVC_${lang}_ARCHITECTURE_ID "${MSVC_${lang}_ARCHITECTURE_ID}"
+ PARENT_SCOPE)
+ SET(CMAKE_EXECUTABLE_FORMAT "${CMAKE_EXECUTABLE_FORMAT}" PARENT_SCOPE)
+ENDFUNCTION(CMAKE_DETERMINE_COMPILER_ID_CHECK lang)
+
+#-----------------------------------------------------------------------------
+# Function to query the compiler vendor.
+# This uses a table with entries of the form
+# list(APPEND CMAKE_${lang}_COMPILER_ID_VENDORS ${vendor})
+# set(CMAKE_${lang}_COMPILER_ID_VENDOR_FLAGS_${vendor} -some-vendor-flag)
+# set(CMAKE_${lang}_COMPILER_ID_VENDOR_REGEX_${vendor} "Some Vendor Output")
+# We try running the compiler with the flag for each vendor and
+# matching its regular expression in the output.
+FUNCTION(CMAKE_DETERMINE_COMPILER_ID_VENDOR lang)
+
+ IF(NOT CMAKE_${lang}_COMPILER_ID_DIR)
+ # We get here when this function is called not from within
CMAKE_DETERMINE_COMPILER_ID()
+ # This is done e.g. for detecting the compiler ID for assemblers.
+ # Compute the directory in which to run the test and Create a clean working
directory.
+ SET(CMAKE_${lang}_COMPILER_ID_DIR
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CompilerId${lang})
+ FILE(REMOVE_RECURSE ${CMAKE_${lang}_COMPILER_ID_DIR})
+ FILE(MAKE_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR})
+ ENDIF(NOT CMAKE_${lang}_COMPILER_ID_DIR)
+
+
+ FOREACH(vendor ${CMAKE_${lang}_COMPILER_ID_VENDORS})
+ SET(flags ${CMAKE_${lang}_COMPILER_ID_VENDOR_FLAGS_${vendor}})
+ SET(regex ${CMAKE_${lang}_COMPILER_ID_VENDOR_REGEX_${vendor}})
+ EXECUTE_PROCESS(
+ COMMAND ${CMAKE_${lang}_COMPILER}
+ ${CMAKE_${lang}_COMPILER_ID_ARG1}
+ ${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}
+ ${flags}
+ WORKING_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR}
+ OUTPUT_VARIABLE output ERROR_VARIABLE output
+ RESULT_VARIABLE result
+ TIMEOUT 10
+ )
+
+ IF("${lang}" STREQUAL "ASM")
+ MESSAGE(STATUS "Checked for ${vendor}")
+ MESSAGE(STATUS " Output: -${output}-")
+ MESSAGE(STATUS " Result: -${result}-")
+ ENDIF("${lang}" STREQUAL "ASM")
+
+ IF("${output}" MATCHES "${regex}")
+ FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
+ "Checking whether the ${lang} compiler is ${vendor} using
\"${flags}\" "
+ "matched \"${regex}\":\n${output}")
+ SET(CMAKE_${lang}_COMPILER_ID "${vendor}" PARENT_SCOPE)
+ BREAK()
+ ELSE()
+ IF("${result}" MATCHES "timeout")
+ FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
+ "Checking whether the ${lang} compiler is ${vendor} using
\"${flags}\" "
+ "terminated after 10 s due to timeout.")
+ ELSE()
+ FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
+ "Checking whether the ${lang} compiler is ${vendor} using
\"${flags}\" "
+ "did not match \"${regex}\":\n${output}")
+ ENDIF()
+ ENDIF()
+ ENDFOREACH()
+ENDFUNCTION(CMAKE_DETERMINE_COMPILER_ID_VENDOR)