[akhaldi] 52873: [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 ...
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&am... ============================================================================== --- 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/CMakeDetermineASMComp... ============================================================================== --- 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/CMakeDetermineCompile... ============================================================================== --- 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)
-
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