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chore: check CXX_STANDARD exists or not

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ToruNiina
2019-04-26 16:33:48 +09:00
parent 01aa2ef5b2
commit 6383a93ce7
1 changed files with 4 additions and 1 deletions
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5
CMakeLists.txt
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@@ -4,7 +4,10 @@ project(toml11)
include(CheckCXXCompilerFlag) include(CheckCXXCompilerFlag)
if("${CMAKE_VERSION}" VERSION_GREATER 3.1) if("${CMAKE_VERSION}" VERSION_GREATER 3.1)
set(CMAKE_CXX_STANDARD 11) set(CMAKE_CXX_EXTENSIONS OFF)
if(NOT DEFINED CMAKE_CXX_STANDARD)
set(CMAKE_CXX_STANDARD 11)
endif()
set(CXX_STANDARD_REQUIRED ON) set(CXX_STANDARD_REQUIRED ON)
else() else()
# Manually check for C++11 compiler flag. # Manually check for C++11 compiler flag.