12/13/2023 0 Comments Cmake include c11![]() It will expand to a compatibility implementation otherwise (e.g. It will be empty otherwise.įOO_NULLPTR will be defined and will expand to nullptr if the feature exists for the current compiler. Moreover, FOO_CONSTEXPR will be defined and will expand to constexpr if the feature exists for the current compiler. ![]() Properties-> C/C++ General-> Preprocessor Include Paths, Marcos etc. Then import generated directory to eclipse as standard eclipse project. implementation with constexpr not available Generate eclipse project files (inside your project) mkdir build cd build cmake -G'Eclipse CDT4 - Unix Makefiles' -D CMAKEBUILDTYPEDebug. ![]() implementation with constexpr available Here a file foo_compiler_detection.h will be generated with FOO_COMPILER_CXX_CONSTEXPR defined if the keyword constexpr is available: #include "foo_compiler_detection.h" You should also take a look at the WriteCompilerDetectionHeader module which allows to detect features as options, and provides a backward compatibility implementation for some features if the compiler does not support them: write_compiler_detection_header( Target_compile_features(foo PUBLIC cxx_constexpr) Make sure you don't accidentally overwrite the contents of CMAKECXXFLAGS later on. For example, if you want to use constexpr in your public API, you can use: add_library(foo. 6,576 10 37 54 15 The SET (CMAKECXXFLAGS '-stdc++0x') works fine for me, so there is probably a problem somewhere else in the CMakeLists file. With feature1 being a feature listed in CMAKE_CXX_KNOWN_FEATURES. Does anyone know how to set the C standard to C11 when using Visual studio 2019, CMake and Clang. You can use target_compile_features to require a C++11(/14/17) feature: target_compile_features(target PRIVATE|PUBLIC|INTERFACE feature1 )
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