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use cmake to check if compiler supports c++11

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This commit is contained in:
Evgeniy A. Dushistov
2022-06-24 20:10:43 +03:00
committed by Evgeniy Dushistov
parent b77c0e793a
commit e72220e748
2 changed files with 4 additions and 13 deletions
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4
CMakeLists.txt
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@@ -3,6 +3,10 @@ project(sdcv)
cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
cmake_policy(VERSION 3.5)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED True)
set(CMAKE_CXX_EXTENSIONS False)
include("${CMAKE_CURRENT_SOURCE_DIR}/cmake/compiler.cmake")
set(ZLIB_FIND_REQUIRED True)

13
cmake/compiler.cmake
View File

@@ -16,19 +16,6 @@ if (NOT DEFINED SDCV_COMPILER_IS_GCC_COMPATIBLE)
endif()
endif()
if (MSVC AND (MSVC_VERSION LESS 1900))
message(FATAL_ERROR "MSVC version ${MSVC_VERSION} have no full c++11 support")
elseif (MSVC)
add_definitions(-DNOMINMAX)
elseif (NOT MSVC)
check_cxx_compiler_flag("-std=c++11" CXX_SUPPORTS_CXX11)
if (CXX_SUPPORTS_CXX11)
append("-std=c++11" CMAKE_CXX_FLAGS)
else ()
message(FATAL_ERROR "sdcv requires C++11 support but the '-std=c++11' flag isn't supported.")
endif()
endif ()
if (SDCV_COMPILER_IS_GCC_COMPATIBLE)
append("-Wall" "-Wextra" "-Wformat-security" "-Wcast-align" "-Werror=format" "-Wcast-qual" CMAKE_C_FLAGS)
append("-Wall" "-pedantic" "-Wextra" "-Wformat-security" "-Wcast-align" "-Werror=format" "-Wcast-qual" CMAKE_CXX_FLAGS)