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# - Includes a public function for assisting users in trying to determine the
# Visual Studio service pack in use.
#
# Sets the passed in variable to one of the following values or an empty
# string if unknown.
# vc80
# vc80sp1
# vc90
# vc90sp1
#
# Usage:
# ===========================
#
# if(MSVC)
# include(CMakeDetermineVSServicePack)
# DetermineVSServicePack( my_service_pack )
#
# if( my_service_pack )
# message(STATUS "Detected: ${my_service_pack}")
# endif()
# endif()
#
# ===========================
#=============================================================================
# Copyright 2009-2010 Kitware, Inc.
# Copyright 2009-2010 Philip Lowman <philip@yhbt.com>
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
# [INTERNAL]
# Please do not call this function directly
function(_DetermineVSServicePackFromCompiler _OUT_VAR _cl_version)
if (${_cl_version} VERSION_EQUAL "14.00.50727.42")
set(_version "vc80")
elseif(${_cl_version} VERSION_EQUAL "14.00.50727.762")
set(_version "vc80sp1")
elseif(${_cl_version} VERSION_EQUAL "15.00.21022.08")
set(_version "vc90")
elseif(${_cl_version} VERSION_EQUAL "15.00.30729.01")
set(_version "vc90sp1")
elseif(${_cl_version} VERSION_EQUAL "16.00.30319.01")
set(_version "vc100")
else()
set(_version "")
endif()
set(${_OUT_VAR} ${_version} PARENT_SCOPE)
endfunction()
#
# A function to call to determine the Visual Studio service pack
# in use. See documentation above.
function(DetermineVSServicePack _pack)
if(NOT DETERMINED_VS_SERVICE_PACK OR NOT ${_pack})
if(${CMAKE_BUILD_TOOL} STREQUAL "nmake")
EXECUTE_PROCESS(COMMAND ${CMAKE_CXX_COMPILER} "/?"
ERROR_VARIABLE _output)
set(DETERMINED_VS_SERVICE_PACK ${_output})
else()
file(WRITE "${CMAKE_BINARY_DIR}/return0.cc"
"int main() { return 0; }\n")
try_compile(DETERMINED_VS_SERVICE_PACK
"${CMAKE_BINARY_DIR}"
"${CMAKE_BINARY_DIR}/return0.cc"
OUTPUT_VARIABLE _output
COPY_FILE "${CMAKE_BINARY_DIR}/return0.cc")
file(REMOVE "${CMAKE_BINARY_DIR}/return0.cc")
endif()
if(DETERMINED_VS_SERVICE_PACK AND _output)
string(REGEX MATCH "Compiler Version [0-9]+.[0-9]+.[0-9]+.[0-9]+"
_cl_version "${_output}")
if(_cl_version)
string(REGEX MATCHALL "[0-9]+"
_cl_version_list "${_cl_version}")
list(GET _cl_version_list 0 _major)
list(GET _cl_version_list 1 _minor)
list(GET _cl_version_list 2 _patch)
list(GET _cl_version_list 3 _tweak)
set(_cl_version_string ${_major}.${_minor}.${_patch}.${_tweak})
# Call helper function to determine VS version
_DetermineVSServicePackFromCompiler(_sp "${_cl_version_string}")
if(_sp)
#set(${_pack} "${_sp}(${_cl_version_string})" CACHE INTERNAL
set(${_pack} "${_sp}" CACHE INTERNAL
"The Visual Studio Release with Service Pack")
endif()
endif()
endif()
endif()
endfunction()
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