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Remove old C++ standard code, as we already tell CMake to *require* C++14.

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Xcode only supports libc++ and gnu++, both of which we support, so there is no need to specify libc++ either.
This commit is contained in:
Julian Groß 2025-04-14 15:36:56 +02:00
parent 82f62c9ea0
commit 646c72852a
1 changed files with 6 additions and 22 deletions
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28
cmake/compiler.cmake
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@ -43,28 +43,12 @@ else ()
endif ()
endif()
if (ANDROID)
# assume that the toolchain selected for android has C++11 support
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
elseif(APPLE)
set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LANGUAGE_STANDARD "c++14")
set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LIBRARY "libc++")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --stdlib=libc++")
if (CMAKE_GENERATOR STREQUAL "Xcode")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g")
set(CMAKE_XCODE_ATTRIBUTE_GCC_GENERATE_DEBUGGING_SYMBOLS[variant=Release] "YES")
set(CMAKE_XCODE_ATTRIBUTE_DEBUG_INFORMATION_FORMAT[variant=Release] "dwarf-with-dsym")
set(CMAKE_XCODE_ATTRIBUTE_DEPLOYMENT_POSTPROCESSING[variant=Release] "YES")
endif()
elseif ((NOT MSVC12) AND (NOT MSVC14))
include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG("-std=c++14" COMPILER_SUPPORTS_CXX14)
if (COMPILER_SUPPORTS_CXX14)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
else()
message(FATAL_ERROR "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. Please use a different C++ compiler.")
endif()
endif ()
if ((APPLE) AND (CMAKE_GENERATOR STREQUAL "Xcode"))
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g")
set(CMAKE_XCODE_ATTRIBUTE_GCC_GENERATE_DEBUGGING_SYMBOLS[variant=Release] "YES")
set(CMAKE_XCODE_ATTRIBUTE_DEBUG_INFORMATION_FORMAT[variant=Release] "dwarf-with-dsym")
set(CMAKE_XCODE_ATTRIBUTE_DEPLOYMENT_POSTPROCESSING[variant=Release] "YES")
endif()
if (NOT ANDROID_LIB_DIR)