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CMakeDetermineVSServicePack: Match versions more robustly 

Use the CMAKE_MATCH_* variables to simplify matching logic.  Match
either 3 or 4 version components.  Do not fail when there are only three
components available.
This commit is contained in:
Brad King 2014-04-10 11:03:32 -04:00
parent 101515b958
commit 105658df02
1 changed files with 7 additions and 31 deletions
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38
Modules/CMakeDetermineVSServicePack.cmake
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@ -84,27 +84,14 @@ function(_DetermineVSServicePack_FastCheckVersionWithCompiler _SUCCESS_VAR _VER
OUTPUT_QUIET
)
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)
if(_output MATCHES "Compiler Version (([0-9]+)\\.([0-9]+)\\.([0-9]+)(\\.([0-9]+))?)")
set(_cl_version ${CMAKE_MATCH_1})
set(_major ${CMAKE_MATCH_2})
set(_minor ${CMAKE_MATCH_3})
if("${_major}${_minor}" STREQUAL "${MSVC_VERSION}")
set(_cl_version ${_major}.${_minor}.${_patch}.${_tweak})
else()
unset(_cl_version)
endif()
endif()
if(_cl_version)
set(${_SUCCESS_VAR} true PARENT_SCOPE)
set(${_VERSION_VAR} ${_cl_version} PARENT_SCOPE)
endif()
endif()
endif()
endfunction()
@ -125,20 +112,9 @@ function(_DetermineVSServicePack_CheckVersionWithTryCompile _SUCCESS_VAR _VERSI
file(REMOVE "${CMAKE_BINARY_DIR}/return0.cc")
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)
if(_output MATCHES "Compiler Version (([0-9]+)\\.([0-9]+)\\.([0-9]+)(\\.([0-9]+))?)")
set(${_SUCCESS_VAR} true PARENT_SCOPE)
set(${_VERSION_VAR} ${_major}.${_minor}.${_patch}.${_tweak} PARENT_SCOPE)
set(${_VERSION_VAR} "${CMAKE_MATCH_1}" PARENT_SCOPE)
endif()
endfunction()