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refactor: remove scripts for old version of cmake

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now minimum_require ensures that version is not used
This commit is contained in:
ToruNiina 2024-03-20 22:33:36 +09:00
parent d4eb5f3c9d
commit d4a6fc7953
1 changed files with 4 additions and 29 deletions
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33
CMakeLists.txt
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@ -12,38 +12,13 @@ option(TOML11_USE_UNRELEASED_TOML_FEATURES
"use features in toml-lang/toml master while testing" OFF)
include(CheckCXXCompilerFlag)
if("${CMAKE_VERSION}" VERSION_GREATER 3.1)
set(CMAKE_CXX_EXTENSIONS OFF CACHE BOOL "Boolean specifying whether compiler specific extensions are requested.")
if(NOT DEFINED CMAKE_CXX_STANDARD)
message(FATAL_ERROR "CMAKE_CXX_STANDARD is not defined. \
set(CMAKE_CXX_EXTENSIONS OFF CACHE BOOL "Boolean specifying whether compiler specific extensions are requested.")
if(NOT DEFINED CMAKE_CXX_STANDARD)
message(FATAL_ERROR "CMAKE_CXX_STANDARD is not defined. \
The C++ standard whose features are requested to *build* all targets. \
Remember that toml11 is a header only library that does NOT require compilation to use.")
endif()
set(CMAKE_CXX_STANDARD_REQUIRED ON CACHE BOOL "Boolean describing whether the value of CXX_STANDARD is a requirement.")
else()
# Manually check for C++11 compiler flag.
CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
CHECK_CXX_COMPILER_FLAG("-std=c++0x" COMPILER_SUPPORTS_CXX0X)
CHECK_CXX_COMPILER_FLAG("-std=gnu++11" COMPILER_SUPPORTS_GNU11)
CHECK_CXX_COMPILER_FLAG("-std=gnu++0x" COMPILER_SUPPORTS_GNU0X)
if(COMPILER_SUPPORTS_CXX11)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
elseif(COMPILER_SUPPORTS_CXXOX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
elseif(COMPILER_SUPPORTS_GNU11)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11")
elseif(COMPILER_SUPPORTS_GNU0X)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++0x")
else()
if(MSVC)
if(MSVC_VERSION LESS 1900)
message(SEND_ERROR "MSVC < 14.0 is not supported. Please update your compiler or use mingw")
endif()
else()
message(SEND_ERROR "The ${CMAKE_CXX_COMPILER} compiler lacks C++11 support. Use another compiler.")
endif()
endif()
endif()
set(CMAKE_CXX_STANDARD_REQUIRED ON CACHE BOOL "Boolean describing whether the value of CXX_STANDARD is a requirement.")
if(MSVC)
# add_definitions("/Zc:__cplusplus") # define __cplusplus value correctly