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Merge pull request #102 from jwillikers/cmake_cache_variables

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Set CMake Standard Cache Variables. Fixes #101
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Toru Niina 2020-02-13 13:22:25 +09:00 committed by GitHub
commit e4140ac1fd
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1 changed files with 3 additions and 5 deletions
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CMakeLists.txt
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@ -16,11 +16,9 @@ option(toml11_TEST_WITH_UBSAN "use LLVM undefined behavior sanitizer" OFF)
include(CheckCXXCompilerFlag) include(CheckCXXCompilerFlag)
if("${CMAKE_VERSION}" VERSION_GREATER 3.1) if("${CMAKE_VERSION}" VERSION_GREATER 3.1)
set(CMAKE_CXX_EXTENSIONS OFF) set(CMAKE_CXX_STANDARD 11 CACHE STRING "The C++ standard whose features are requested to build all targets.")
if(NOT DEFINED CMAKE_CXX_STANDARD) set(CMAKE_CXX_STANDARD_REQUIRED ON CACHE BOOL "Boolean describing whether the value of CXX_STANDARD is a requirement.")
set(CMAKE_CXX_STANDARD 11) set(CMAKE_CXX_EXTENSIONS OFF CACHE BOOL "Boolean specifying whether compiler specific extensions are requested.")
endif()
set(CXX_STANDARD_REQUIRED ON)
else() else()
# Manually check for C++11 compiler flag. # Manually check for C++11 compiler flag.
CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11) CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)