2007-04-28 13:35:01 +00:00
|
|
|
|
2009-09-28 15:46:51 +00:00
|
|
|
#=============================================================================
|
|
|
|
# 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.
|
|
|
|
#=============================================================================
|
2010-08-07 00:48:47 +00:00
|
|
|
# (To distribute this file outside of CMake, substitute the full
|
2009-09-28 15:46:51 +00:00
|
|
|
# License text for the above reference.)
|
|
|
|
|
2008-01-07 15:27:28 +00:00
|
|
|
# Function to compile a source file to identify the compiler. This is
|
2007-04-28 13:35:01 +00:00
|
|
|
# used internally by CMake and should not be included by user code.
|
2007-04-30 21:05:32 +00:00
|
|
|
# If successful, sets CMAKE_<lang>_COMPILER_ID and CMAKE_<lang>_PLATFORM_ID
|
|
|
|
|
2012-08-13 17:47:32 +00:00
|
|
|
function(CMAKE_DETERMINE_COMPILER_ID lang flagvar src)
|
2007-12-15 21:03:29 +00:00
|
|
|
# Make sure the compiler arguments are clean.
|
2012-08-13 17:47:32 +00:00
|
|
|
string(STRIP "${CMAKE_${lang}_COMPILER_ARG1}" CMAKE_${lang}_COMPILER_ID_ARG1)
|
|
|
|
string(REGEX REPLACE " +" ";" CMAKE_${lang}_COMPILER_ID_ARG1 "${CMAKE_${lang}_COMPILER_ID_ARG1}")
|
2007-12-15 21:03:29 +00:00
|
|
|
|
2007-04-28 13:35:01 +00:00
|
|
|
# Make sure user-specified compiler flags are used.
|
2012-08-13 17:47:32 +00:00
|
|
|
if(CMAKE_${lang}_FLAGS)
|
|
|
|
set(CMAKE_${lang}_COMPILER_ID_FLAGS ${CMAKE_${lang}_FLAGS})
|
2012-08-13 17:50:14 +00:00
|
|
|
else()
|
2012-08-13 17:47:32 +00:00
|
|
|
set(CMAKE_${lang}_COMPILER_ID_FLAGS $ENV{${flagvar}})
|
2012-08-13 17:50:14 +00:00
|
|
|
endif()
|
2012-08-13 17:47:32 +00:00
|
|
|
string(REGEX REPLACE " " ";" CMAKE_${lang}_COMPILER_ID_FLAGS_LIST "${CMAKE_${lang}_COMPILER_ID_FLAGS}")
|
2007-04-28 13:35:01 +00:00
|
|
|
|
2008-01-07 15:27:28 +00:00
|
|
|
# Compute the directory in which to run the test.
|
2012-08-13 17:47:32 +00:00
|
|
|
set(CMAKE_${lang}_COMPILER_ID_DIR ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CompilerId${lang})
|
2008-01-07 15:27:28 +00:00
|
|
|
|
|
|
|
# Try building with no extra flags and then try each set
|
|
|
|
# of helper flags. Stop when the compiler is identified.
|
2012-08-13 17:47:32 +00:00
|
|
|
foreach(flags "" ${CMAKE_${lang}_COMPILER_ID_TEST_FLAGS})
|
|
|
|
if(NOT CMAKE_${lang}_COMPILER_ID)
|
2008-02-25 14:23:14 +00:00
|
|
|
CMAKE_DETERMINE_COMPILER_ID_BUILD("${lang}" "${flags}" "${src}")
|
2012-08-13 17:47:32 +00:00
|
|
|
foreach(file ${COMPILER_${lang}_PRODUCED_FILES})
|
2008-02-25 14:23:14 +00:00
|
|
|
CMAKE_DETERMINE_COMPILER_ID_CHECK("${lang}" "${CMAKE_${lang}_COMPILER_ID_DIR}/${file}" "${src}")
|
2012-08-13 17:50:14 +00:00
|
|
|
endforeach()
|
|
|
|
endif()
|
|
|
|
endforeach()
|
2008-01-07 15:27:28 +00:00
|
|
|
|
2010-02-01 14:03:05 +00:00
|
|
|
# If the compiler is still unknown, try to query its vendor.
|
2012-08-13 17:47:32 +00:00
|
|
|
if(NOT CMAKE_${lang}_COMPILER_ID)
|
2010-02-01 14:03:05 +00:00
|
|
|
CMAKE_DETERMINE_COMPILER_ID_VENDOR(${lang})
|
2012-08-13 17:47:32 +00:00
|
|
|
endif()
|
2010-02-01 14:03:05 +00:00
|
|
|
|
2008-01-07 15:27:28 +00:00
|
|
|
# if the format is unknown after all files have been checked, put "Unknown" in the cache
|
2012-08-13 17:47:32 +00:00
|
|
|
if(NOT CMAKE_EXECUTABLE_FORMAT)
|
|
|
|
set(CMAKE_EXECUTABLE_FORMAT "Unknown" CACHE INTERNAL "Executable file format")
|
2012-08-13 17:50:14 +00:00
|
|
|
endif()
|
2008-01-07 15:27:28 +00:00
|
|
|
|
|
|
|
# Display the final identification result.
|
2012-08-13 17:47:32 +00:00
|
|
|
if(CMAKE_${lang}_COMPILER_ID)
|
|
|
|
if(CMAKE_${lang}_COMPILER_VERSION)
|
|
|
|
set(_version " ${CMAKE_${lang}_COMPILER_VERSION}")
|
|
|
|
else()
|
|
|
|
set(_version "")
|
|
|
|
endif()
|
|
|
|
message(STATUS "The ${lang} compiler identification is "
|
2011-12-05 14:44:09 +00:00
|
|
|
"${CMAKE_${lang}_COMPILER_ID}${_version}")
|
2012-08-13 17:50:14 +00:00
|
|
|
else()
|
2012-08-13 17:47:32 +00:00
|
|
|
message(STATUS "The ${lang} compiler identification is unknown")
|
2012-08-13 17:50:14 +00:00
|
|
|
endif()
|
2008-01-07 15:27:28 +00:00
|
|
|
|
2012-08-15 20:12:05 +00:00
|
|
|
# Check if compiler id detection gave us the compiler tool.
|
|
|
|
if(NOT CMAKE_${lang}_COMPILER)
|
|
|
|
if(CMAKE_${lang}_COMPILER_ID_TOOL)
|
|
|
|
set(CMAKE_${lang}_COMPILER "${CMAKE_${lang}_COMPILER_ID_TOOL}" PARENT_SCOPE)
|
|
|
|
else()
|
|
|
|
set(CMAKE_${lang}_COMPILER "CMAKE_${lang}_COMPILER-NOTFOUND" PARENT_SCOPE)
|
|
|
|
endif()
|
|
|
|
endif()
|
|
|
|
|
2012-08-13 17:47:32 +00:00
|
|
|
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_${lang}_ARCHITECTURE_ID}"
|
2009-11-20 02:58:42 +00:00
|
|
|
PARENT_SCOPE)
|
2012-08-13 17:47:32 +00:00
|
|
|
set(CMAKE_${lang}_COMPILER_VERSION "${CMAKE_${lang}_COMPILER_VERSION}" PARENT_SCOPE)
|
2012-08-13 17:50:14 +00:00
|
|
|
endfunction()
|
2008-01-07 15:27:28 +00:00
|
|
|
|
2008-02-25 14:23:14 +00:00
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
# Function to write the compiler id source file.
|
2012-08-13 17:47:32 +00:00
|
|
|
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}")
|
2012-08-13 17:50:14 +00:00
|
|
|
endfunction()
|
2008-02-25 14:23:14 +00:00
|
|
|
|
2008-01-07 15:27:28 +00:00
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
# Function to build the compiler id source file and look for output
|
|
|
|
# files.
|
2012-08-13 17:47:32 +00:00
|
|
|
function(CMAKE_DETERMINE_COMPILER_ID_BUILD lang testflags src)
|
2008-01-07 15:27:28 +00:00
|
|
|
# Create a clean working directory.
|
2012-08-13 17:47:32 +00:00
|
|
|
file(REMOVE_RECURSE ${CMAKE_${lang}_COMPILER_ID_DIR})
|
|
|
|
file(MAKE_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR})
|
2008-02-25 14:23:14 +00:00
|
|
|
CMAKE_DETERMINE_COMPILER_ID_WRITE("${lang}" "${src}")
|
2007-04-28 13:35:01 +00:00
|
|
|
|
2008-01-07 15:27:28 +00:00
|
|
|
# Construct a description of this test case.
|
2012-08-13 17:47:32 +00:00
|
|
|
set(COMPILER_DESCRIPTION
|
2008-02-25 14:23:14 +00:00
|
|
|
"Compiler: ${CMAKE_${lang}_COMPILER} ${CMAKE_${lang}_COMPILER_ID_ARG1}
|
|
|
|
Build flags: ${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}
|
|
|
|
Id flags: ${testflags}
|
|
|
|
")
|
2008-01-07 15:27:28 +00:00
|
|
|
|
2007-04-28 13:35:01 +00:00
|
|
|
# Compile the compiler identification source.
|
2012-08-15 20:12:05 +00:00
|
|
|
if(0)
|
2012-08-13 17:50:14 +00:00
|
|
|
else()
|
2012-08-15 20:12:05 +00:00
|
|
|
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()
|
|
|
|
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()
|
2012-08-13 17:50:14 +00:00
|
|
|
endif()
|
2007-04-28 13:35:01 +00:00
|
|
|
|
|
|
|
# Check the result of compilation.
|
2012-08-13 17:47:32 +00:00
|
|
|
if(CMAKE_${lang}_COMPILER_ID_RESULT)
|
2007-04-28 13:35:01 +00:00
|
|
|
# Compilation failed.
|
2012-08-13 17:47:32 +00:00
|
|
|
set(MSG
|
2008-02-25 14:23:14 +00:00
|
|
|
"Compiling the ${lang} compiler identification source file \"${src}\" failed.
|
|
|
|
${COMPILER_DESCRIPTION}
|
|
|
|
The output was:
|
|
|
|
${CMAKE_${lang}_COMPILER_ID_RESULT}
|
|
|
|
${CMAKE_${lang}_COMPILER_ID_OUTPUT}
|
|
|
|
|
|
|
|
")
|
2012-08-13 17:47:32 +00:00
|
|
|
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log "${MSG}")
|
|
|
|
#if(NOT CMAKE_${lang}_COMPILER_ID_ALLOW_FAIL)
|
|
|
|
# message(FATAL_ERROR "${MSG}")
|
2012-08-13 17:50:14 +00:00
|
|
|
#endif()
|
2008-01-07 15:27:28 +00:00
|
|
|
|
|
|
|
# No output files should be inspected.
|
2012-08-13 17:47:32 +00:00
|
|
|
set(COMPILER_${lang}_PRODUCED_FILES)
|
2012-08-13 17:50:14 +00:00
|
|
|
else()
|
2007-04-28 13:35:01 +00:00
|
|
|
# Compilation succeeded.
|
2012-08-13 17:47:32 +00:00
|
|
|
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
|
2008-02-25 14:23:14 +00:00
|
|
|
"Compiling the ${lang} compiler identification source file \"${src}\" succeeded.
|
|
|
|
${COMPILER_DESCRIPTION}
|
|
|
|
The output was:
|
|
|
|
${CMAKE_${lang}_COMPILER_ID_RESULT}
|
|
|
|
${CMAKE_${lang}_COMPILER_ID_OUTPUT}
|
|
|
|
|
|
|
|
")
|
2007-04-28 13:35:01 +00:00
|
|
|
|
2008-01-07 15:27:28 +00:00
|
|
|
# Find the executable produced by the compiler, try all files in the
|
|
|
|
# binary dir.
|
2012-08-15 20:12:05 +00:00
|
|
|
file(GLOB files
|
2008-02-25 14:23:14 +00:00
|
|
|
RELATIVE ${CMAKE_${lang}_COMPILER_ID_DIR}
|
|
|
|
${CMAKE_${lang}_COMPILER_ID_DIR}/*)
|
2012-08-15 20:12:05 +00:00
|
|
|
list(REMOVE_ITEM files "${src}")
|
|
|
|
set(COMPILER_${lang}_PRODUCED_FILES "")
|
|
|
|
foreach(file ${files})
|
|
|
|
if(NOT IS_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR}/${file})
|
|
|
|
list(APPEND COMPILER_${lang}_PRODUCED_FILES ${file})
|
|
|
|
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
|
|
|
|
"Compilation of the ${lang} compiler identification source \""
|
|
|
|
"${src}\" produced \"${file}\"\n\n")
|
|
|
|
endif()
|
2012-08-13 17:50:14 +00:00
|
|
|
endforeach()
|
2008-01-02 21:52:12 +00:00
|
|
|
|
2012-08-13 17:47:32 +00:00
|
|
|
if(NOT COMPILER_${lang}_PRODUCED_FILES)
|
2007-05-25 19:22:22 +00:00
|
|
|
# No executable was found.
|
2012-08-13 17:47:32 +00:00
|
|
|
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
|
2007-04-28 13:35:01 +00:00
|
|
|
"Compilation of the ${lang} compiler identification source \""
|
2008-02-25 14:23:14 +00:00
|
|
|
"${src}\" did not produce an executable in \""
|
2008-01-07 15:27:28 +00:00
|
|
|
"${CMAKE_${lang}_COMPILER_ID_DIR}\".\n\n")
|
2012-08-13 17:50:14 +00:00
|
|
|
endif()
|
|
|
|
endif()
|
2007-05-17 14:07:51 +00:00
|
|
|
|
2008-01-07 15:27:28 +00:00
|
|
|
# Return the files produced by the compilation.
|
2012-08-13 17:47:32 +00:00
|
|
|
set(COMPILER_${lang}_PRODUCED_FILES "${COMPILER_${lang}_PRODUCED_FILES}" PARENT_SCOPE)
|
2012-08-13 17:50:14 +00:00
|
|
|
endfunction()
|
2008-01-07 15:27:28 +00:00
|
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
# Function to extract the compiler id from an executable.
|
2012-08-13 17:47:32 +00:00
|
|
|
function(CMAKE_DETERMINE_COMPILER_ID_CHECK lang file)
|
2008-01-07 15:27:28 +00:00
|
|
|
# Look for a compiler id if not yet known.
|
2012-08-13 17:47:32 +00:00
|
|
|
if(NOT CMAKE_${lang}_COMPILER_ID)
|
2008-01-07 15:27:28 +00:00
|
|
|
# Read the compiler identification string from the executable file.
|
2012-08-13 17:47:32 +00:00
|
|
|
set(COMPILER_ID)
|
|
|
|
set(COMPILER_VERSION)
|
|
|
|
set(PLATFORM_ID)
|
|
|
|
file(STRINGS ${file}
|
2011-12-05 14:44:09 +00:00
|
|
|
CMAKE_${lang}_COMPILER_ID_STRINGS LIMIT_COUNT 4 REGEX "INFO:")
|
2012-08-13 17:47:32 +00:00
|
|
|
set(HAVE_COMPILER_TWICE 0)
|
|
|
|
foreach(info ${CMAKE_${lang}_COMPILER_ID_STRINGS})
|
|
|
|
if("${info}" MATCHES ".*INFO:compiler\\[([^]\"]*)\\].*")
|
|
|
|
if(COMPILER_ID)
|
|
|
|
set(COMPILER_ID_TWICE 1)
|
2012-08-13 17:50:14 +00:00
|
|
|
endif()
|
2012-08-13 17:47:32 +00:00
|
|
|
string(REGEX REPLACE ".*INFO:compiler\\[([^]]*)\\].*" "\\1"
|
2008-01-07 15:27:28 +00:00
|
|
|
COMPILER_ID "${info}")
|
2012-08-13 17:50:14 +00:00
|
|
|
endif()
|
2012-08-13 17:47:32 +00:00
|
|
|
if("${info}" MATCHES ".*INFO:platform\\[([^]\"]*)\\].*")
|
|
|
|
string(REGEX REPLACE ".*INFO:platform\\[([^]]*)\\].*" "\\1"
|
2008-01-07 15:27:28 +00:00
|
|
|
PLATFORM_ID "${info}")
|
2012-08-13 17:50:14 +00:00
|
|
|
endif()
|
2012-08-13 17:47:32 +00:00
|
|
|
if("${info}" MATCHES ".*INFO:arch\\[([^]\"]*)\\].*")
|
|
|
|
string(REGEX REPLACE ".*INFO:arch\\[([^]]*)\\].*" "\\1"
|
2009-11-20 02:58:42 +00:00
|
|
|
ARCHITECTURE_ID "${info}")
|
2012-08-13 17:50:14 +00:00
|
|
|
endif()
|
2012-08-13 17:47:32 +00:00
|
|
|
if("${info}" MATCHES ".*INFO:compiler_version\\[([^]\"]*)\\].*")
|
|
|
|
string(REGEX REPLACE ".*INFO:compiler_version\\[([^]]*)\\].*" "\\1" COMPILER_VERSION "${info}")
|
|
|
|
string(REGEX REPLACE "^0+([0-9])" "\\1" COMPILER_VERSION "${COMPILER_VERSION}")
|
|
|
|
string(REGEX REPLACE "\\.0+([0-9])" ".\\1" COMPILER_VERSION "${COMPILER_VERSION}")
|
2012-08-13 17:50:14 +00:00
|
|
|
endif()
|
|
|
|
endforeach()
|
2008-01-07 15:27:28 +00:00
|
|
|
|
|
|
|
# Check if a valid compiler and platform were found.
|
2012-08-13 17:47:32 +00:00
|
|
|
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}")
|
|
|
|
set(CMAKE_${lang}_COMPILER_VERSION "${COMPILER_VERSION}")
|
2012-08-13 17:50:14 +00:00
|
|
|
endif()
|
2008-01-07 15:27:28 +00:00
|
|
|
|
|
|
|
# Check the compiler identification string.
|
2012-08-13 17:47:32 +00:00
|
|
|
if(CMAKE_${lang}_COMPILER_ID)
|
2008-01-07 15:27:28 +00:00
|
|
|
# The compiler identification was found.
|
2012-08-13 17:47:32 +00:00
|
|
|
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
|
2008-01-07 15:27:28 +00:00
|
|
|
"The ${lang} compiler identification is ${CMAKE_${lang}_COMPILER_ID}, found in \""
|
|
|
|
"${file}\"\n\n")
|
2012-08-13 17:50:14 +00:00
|
|
|
else()
|
2008-01-07 15:27:28 +00:00
|
|
|
# The compiler identification could not be found.
|
2012-08-13 17:47:32 +00:00
|
|
|
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
|
2008-01-07 15:27:28 +00:00
|
|
|
"The ${lang} compiler identification could not be found in \""
|
|
|
|
"${file}\"\n\n")
|
2012-08-13 17:50:14 +00:00
|
|
|
endif()
|
|
|
|
endif()
|
2008-01-07 15:27:28 +00:00
|
|
|
|
|
|
|
# try to figure out the executable format: ELF, COFF, Mach-O
|
2012-08-13 17:47:32 +00:00
|
|
|
if(NOT CMAKE_EXECUTABLE_FORMAT)
|
|
|
|
file(READ ${file} CMAKE_EXECUTABLE_MAGIC LIMIT 4 HEX)
|
2008-01-07 15:27:28 +00:00
|
|
|
|
|
|
|
# ELF files start with 0x7f"ELF"
|
2012-08-13 17:47:32 +00:00
|
|
|
if("${CMAKE_EXECUTABLE_MAGIC}" STREQUAL "7f454c46")
|
|
|
|
set(CMAKE_EXECUTABLE_FORMAT "ELF" CACHE INTERNAL "Executable file format")
|
2012-08-13 17:50:14 +00:00
|
|
|
endif()
|
2008-01-07 15:27:28 +00:00
|
|
|
|
|
|
|
# # COFF (.exe) files start with "MZ"
|
2012-08-13 17:47:32 +00:00
|
|
|
# if("${CMAKE_EXECUTABLE_MAGIC}" MATCHES "4d5a....")
|
|
|
|
# set(CMAKE_EXECUTABLE_FORMAT "COFF" CACHE STRING "Executable file format")
|
2012-08-13 17:50:14 +00:00
|
|
|
# endif()
|
2008-01-07 15:27:28 +00:00
|
|
|
#
|
|
|
|
# # Mach-O files start with CAFEBABE or FEEDFACE, according to http://radio.weblogs.com/0100490/2003/01/28.html
|
2012-08-13 17:47:32 +00:00
|
|
|
# if("${CMAKE_EXECUTABLE_MAGIC}" MATCHES "cafebabe")
|
|
|
|
# set(CMAKE_EXECUTABLE_FORMAT "MACHO" CACHE STRING "Executable file format")
|
2012-08-13 17:50:14 +00:00
|
|
|
# endif()
|
2012-08-13 17:47:32 +00:00
|
|
|
# if("${CMAKE_EXECUTABLE_MAGIC}" MATCHES "feedface")
|
|
|
|
# set(CMAKE_EXECUTABLE_FORMAT "MACHO" CACHE STRING "Executable file format")
|
2012-08-13 17:50:14 +00:00
|
|
|
# endif()
|
2012-08-13 17:47:32 +00:00
|
|
|
|
2012-08-13 17:50:14 +00:00
|
|
|
endif()
|
2012-08-13 17:47:32 +00:00
|
|
|
if(NOT DEFINED CMAKE_EXECUTABLE_FORMAT)
|
|
|
|
set(CMAKE_EXECUTABLE_FORMAT)
|
|
|
|
endif()
|
2008-01-07 15:27:28 +00:00
|
|
|
# Return the information extracted.
|
2012-08-13 17:47:32 +00:00
|
|
|
set(CMAKE_${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}"
|
2009-11-20 02:58:42 +00:00
|
|
|
PARENT_SCOPE)
|
2012-08-13 17:47:32 +00:00
|
|
|
set(CMAKE_${lang}_COMPILER_VERSION "${CMAKE_${lang}_COMPILER_VERSION}" PARENT_SCOPE)
|
|
|
|
set(CMAKE_EXECUTABLE_FORMAT "${CMAKE_EXECUTABLE_FORMAT}" PARENT_SCOPE)
|
2012-08-13 17:50:14 +00:00
|
|
|
endfunction()
|
2010-02-01 14:03:05 +00:00
|
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
# 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_${vendor} "Some Vendor Output")
|
|
|
|
# We try running the compiler with the flag for each vendor and
|
|
|
|
# matching its regular expression in the output.
|
2012-08-13 17:47:32 +00:00
|
|
|
function(CMAKE_DETERMINE_COMPILER_ID_VENDOR lang)
|
2010-08-15 14:36:38 +00:00
|
|
|
|
2012-08-13 17:47:32 +00:00
|
|
|
if(NOT CMAKE_${lang}_COMPILER_ID_DIR)
|
2010-08-15 14:36:38 +00:00
|
|
|
# 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.
|
2012-08-13 17:47:32 +00:00
|
|
|
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})
|
2012-08-13 17:50:14 +00:00
|
|
|
endif()
|
2010-08-15 14:36:38 +00:00
|
|
|
|
|
|
|
|
2012-08-13 17:47:32 +00:00
|
|
|
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(
|
2010-02-01 14:03:05 +00:00
|
|
|
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
|
2010-08-17 19:40:45 +00:00
|
|
|
TIMEOUT 10
|
2010-02-01 14:03:05 +00:00
|
|
|
)
|
2011-03-01 20:41:02 +00:00
|
|
|
|
2012-08-13 17:47:32 +00:00
|
|
|
if("${output}" MATCHES "${regex}")
|
|
|
|
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
|
2010-02-01 14:03:05 +00:00
|
|
|
"Checking whether the ${lang} compiler is ${vendor} using \"${flags}\" "
|
|
|
|
"matched \"${regex}\":\n${output}")
|
2012-08-13 17:47:32 +00:00
|
|
|
set(CMAKE_${lang}_COMPILER_ID "${vendor}" PARENT_SCOPE)
|
|
|
|
break()
|
|
|
|
else()
|
|
|
|
if("${result}" MATCHES "timeout")
|
|
|
|
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
|
2010-08-17 19:40:45 +00:00
|
|
|
"Checking whether the ${lang} compiler is ${vendor} using \"${flags}\" "
|
|
|
|
"terminated after 10 s due to timeout.")
|
2012-08-13 17:47:32 +00:00
|
|
|
else()
|
|
|
|
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
|
2010-08-17 19:40:45 +00:00
|
|
|
"Checking whether the ${lang} compiler is ${vendor} using \"${flags}\" "
|
|
|
|
"did not match \"${regex}\":\n${output}")
|
2012-08-13 17:47:32 +00:00
|
|
|
endif()
|
|
|
|
endif()
|
|
|
|
endforeach()
|
2012-08-13 17:50:14 +00:00
|
|
|
endfunction()
|