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Bumped CMake mimimum version to 3.11 because of include_guard.

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Cristian Adam
2018-04-24 04:52:02 +02:00
parent 98fdb657ce
commit d456f10a12
13 changed files with 153 additions and 447 deletions
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50
CMakeChecksCache/CheckCXXCompilerFlag.cmake
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@@ -1,6 +1,6 @@
# MIT License
# Copyright (c) 2017 Cristian Adam
# Copyright (c) 2017-2018 Cristian Adam
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
@@ -20,50 +20,14 @@
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
cmake_minimum_required(VERSION 3.4.3)
include_guard(GLOBAL)
set(cache_file ${CMAKE_CHECKS_CACHE_FILE})
if(NOT cache_file)
set(cache_file ${CMAKE_BINARY_DIR}/cmake_checks_cache.txt)
endif()
cmake_minimum_required(VERSION 3.11)
# Include the content of CheckCXXCompilerFlag just not to have the original
# include(CheckCXXSourceCompiles) which has precedence, and which doesn't have
# a include guard, thus overriding my overriden version
include(${CMAKE_CURRENT_LIST_DIR}/CheckCXXSourceCompiles.cmake)
include(CMakeCheckCompilerFlagCommonPatterns)
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
macro (CHECK_CXX_COMPILER_FLAG_original _FLAG _RESULT)
set(SAFE_CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}")
set(CMAKE_REQUIRED_DEFINITIONS "${_FLAG}")
# Normalize locale during test compilation.
set(_CheckCXXCompilerFlag_LOCALE_VARS LC_ALL LC_MESSAGES LANG)
foreach(v ${_CheckCXXCompilerFlag_LOCALE_VARS})
set(_CheckCXXCompilerFlag_SAVED_${v} "$ENV{${v}}")
set(ENV{${v}} C)
endforeach()
CHECK_COMPILER_FLAG_COMMON_PATTERNS(_CheckCXXCompilerFlag_COMMON_PATTERNS)
_check_cxx_source_compiles("int main() { return 0; }" ${_RESULT}
# Some compilers do not fail with a bad flag
FAIL_REGEX "command line option .* is valid for .* but not for C\\\\+\\\\+" # GNU
${_CheckCXXCompilerFlag_COMMON_PATTERNS}
)
foreach(v ${_CheckCXXCompilerFlag_LOCALE_VARS})
set(ENV{${v}} ${_CheckCXXCompilerFlag_SAVED_${v}})
unset(_CheckCXXCompilerFlag_SAVED_${v})
endforeach()
unset(_CheckCXXCompilerFlag_LOCALE_VARS)
unset(_CheckCXXCompilerFlag_COMMON_PATTERNS)
set (CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}")
endmacro ()
include(DumpCMakeVariables)
include(${CMAKE_ROOT}/Modules/CheckCXXCompilerFlag.cmake)
macro(check_cxx_compiler_flag flag variable)
CHECK_CXX_COMPILER_FLAG_original("${flag}" ${variable})
file(APPEND ${cache_file} "set(${variable} \"${${variable}}\" CACHE INTERNAL \"Test ${flag}\")\n")
_check_cxx_compiler_flag("${flag}" ${variable})
file(APPEND ${CMAKE_BINARY_DIR}/cmake_checks_cache.txt "set(${variable} \"${${variable}}\" CACHE INTERNAL \"Test ${variable}\")\n")
endmacro()