Add more C++-standard-related CMake options to the build system #76
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s3rvac
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set(CMAKE_CXX_STANDARD_REQUIRED ON) This makes C++14 a requirement and prevents a "decay" to C++98 when the compiler does not support C++14. RetDec and related tools require C++14 to build, so the sooner the build fails the better. set(CMAKE_CXX_EXTENSIONS OFF) This disables the use of compiler-specific extensions. For example, by default, CMake passes -std=gnu++14 to GCC on Linux. We want to build with -std=c++14 to prevent use of non-portable compiler extensions, which is what the disabling of this option does. For more details, see avast/retdec#76
s3rvac
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set(CMAKE_CXX_STANDARD_REQUIRED ON) This makes C++14 a requirement and prevents a "decay" to C++98 when the compiler does not support C++14. RetDec and related tools require C++14 to build, so the sooner the build fails the better. set(CMAKE_CXX_EXTENSIONS OFF) This disables the use of compiler-specific extensions. For example, by default, CMake passes -std=gnu++14 to GCC on Linux. We want to build with -std=c++14 to prevent use of non-portable compiler extensions, which is what the disabling of this option does. For more details, see avast/retdec#76
s3rvac
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set(CMAKE_CXX_STANDARD_REQUIRED ON) This makes C++14 a requirement and prevents a "decay" to C++98 when the compiler does not support C++14. RetDec and related tools require C++14 to build, so the sooner the build fails the better. set(CMAKE_CXX_EXTENSIONS OFF) This disables the use of compiler-specific extensions. For example, by default, CMake passes -std=gnu++14 to GCC on Linux. We want to build with -std=c++14 to prevent use of non-portable compiler extensions, which is what the disabling of this option does. For more details, see avast/retdec#76
s3rvac
added a commit
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Feb 4, 2018
set(CMAKE_CXX_STANDARD_REQUIRED ON) This makes C++14 a requirement and prevents a "decay" to C++98 when the compiler does not support C++14. RetDec and related tools require C++14 to build, so the sooner the build fails the better. set(CMAKE_CXX_EXTENSIONS OFF) This disables the use of compiler-specific extensions. For example, by default, CMake passes -std=gnu++14 to GCC on Linux. We want to build with -std=c++14 to prevent use of non-portable compiler extensions, which is what the disabling of this option does.
s3rvac
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I have added the build settings to all our repositories that did not have them:
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In addition to
set(CMAKE_CXX_STANDARD 14), we should add the following two options intoCMakeLists.txt:set(CMAKE_CXX_STANDARD_REQUIRED ON)This makes C++14 a requirement and prevents a "decay" to C++98 when the compiler does not support C++14. RetDec and related tools require C++14 to build, so the sooner the build fails the better.set(CMAKE_CXX_EXTENSIONS OFF)This disables the use of compiler-specific extensions. For example, by default, CMake passes-std=gnu++14to GCC on Linux. We want to build with-std=c++14to prevent use of non-portable compiler extensions, which is what the disabling of this option does.Note: These changes should be added to all our repositories.
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