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# - Utility function to return a human-useful-only string ID'ing the compiler
#
# get_compiler_info_string(<resultvar>)
#
# and some helper functions:
# get_gcc_version(<resultvar>)
# get_vs_short_version_string(<generator> <resultvar>)
#
# You might consider using it when setting up CTest options, for example:
# include(GetCompilerInfoString)
# get_compiler_info_string(COMPILERID)
# set(CTEST_BUILD_NAME "${CMAKE_SYSTEM}-${CMAKE_SYSTEM_PROCESSOR}-${COMPILERID}")
#
# Requires these CMake modules:
# no additional modules required
#
# Original Author:
# 2010 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net>
# http://academic.cleardefinition.com
# Iowa State University HCI Graduate Program/VRAC
#
# Copyright Iowa State University 2009-2010.
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt)
#
# Some functions based on cmake-2.8.0 modules FindBoost.cmake and CTest.cmake
#=============================================================================
# Copyright 2006-2009 Kitware, Inc.
# Copyright 2006-2008 Andreas Schneider <mail@cynapses.org>
# Copyright 2007 Wengo
# Copyright 2007 Mike Jackson
# Copyright 2008 Andreas Pakulat <apaku@gmx.de>
# Copyright 2008-2009 Philip Lowman <philip@yhbt.com>
# Copyright 2010 Iowa State University (Ryan Pavlik <abiryan@ryand.net>)
#
# 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.
#=============================================================================
# CMake - Cross Platform Makefile Generator
# Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# * Neither the names of Kitware, Inc., the Insight Software Consortium,
# nor the names of their contributors may be used to endorse or promote
# products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#=============================================================================
if(__get_compiler_info_string)
return()
endif()
set(__get_compiler_info_string YES)
function(get_compiler_info_string _var)
set(_out)
if(CTEST_CMAKE_GENERATOR AND NOT CMAKE_GENERATOR)
# We're running in CTest - use that generator.
set(CMAKE_GENERATOR ${CTEST_CMAKE_GENERATOR})
endif()
if(NOT CMAKE_CXX_COMPILER)
# Also for use in CTest scripts
include(CMakeDetermineCXXCompiler)
endif()
if(MSVC)
# Parse version for Visual Studio
get_vs_short_version_string("${CMAKE_GENERATOR}" _verstring)
if(${CMAKE_GENERATOR} MATCHES "Win64")
set(_verstring "${_verstring}win64")
endif()
elseif(CMAKE_COMPILER_IS_GNUCXX)
# Parse version for GCC
get_gcc_version(_gccver)
set(_verstring "gcc${_gccver}")
else()
# Some other compiler we don't handle in more detail yet.
string(REGEX REPLACE " " "_" _verstring "${CMAKE_GENERATOR}")
set(_verstring "${CMAKE_CXX_COMPILER_ID}:generator:${_verstring}")
endif()
# Return _verstring
set(${_var} "${_verstring}" PARENT_SCOPE)
endfunction()
## Based on a function in FindBoost.cmake from CMake 2.8.0
#-------------------------------------------------------------------------------
#
# Runs compiler with "-dumpversion" and parses major/minor
# version with a regex.
#
function(get_gcc_version _var)
exec_program(${CMAKE_CXX_COMPILER}
ARGS
${CMAKE_CXX_COMPILER_ARG1}
-dumpversion
OUTPUT_VARIABLE
_compilerinfo_COMPILER_VERSION)
string(REGEX
MATCH
"([.0-9]+)"
"\\1"
_compilerinfo_COMPILER_VERSION
"${_compilerinfo_COMPILER_VERSION}")
set(${_var} ${_compilerinfo_COMPILER_VERSION} PARENT_SCOPE)
endfunction()
## Based on a function in CTest.cmake from CMake 2.8.0
#-------------------------------------------------------------------------------
#
# function to turn generator name into a version string
# like vs7 vs71 vs8 vs9
#
function(get_vs_short_version_string _generator _var)
set(_ver_string)
if("${_generator}" MATCHES "Visual Studio")
string(REGEX
REPLACE
"Visual Studio ([0-9][0-9]?)($|.*)"
"\\1"
_vsver
"${_generator}")
if("${_generator}" MATCHES "Visual Studio 7 .NET 2003")
# handle the weird one
set(_ver_string "vs71")
else()
set(_ver_string "vs${_vsver}")
endif()
elseif(MSVC)
if(MSVC71)
set(_ver_string "vs71")
else()
foreach(_ver 6 7 8 9 10)
if(MSVC${_ver}0)
set(_ver_string "vs${_ver}")
break()
endif()
endforeach()
endif()
endif()
if(_ver_string)
set(${_var} ${_ver_string} PARENT_SCOPE)
endif()
endfunction()
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