如果CMAKE_BUILD_TYPE为空，C / C ++构建会发生什么？ [英] What happens for C/C++ builds if CMAKE_BUILD_TYPE is empty?

问题描述

当变量 CMAKE_BUILD_TYPE 为空时使用哪个编译器标志？那么编译器是否只需对C ++和C？使用 CMAKE_CXX_FLAGS 和 CMAKE_C_FLAGS ？

When the variable CMAKE_BUILD_TYPE is empty which compiler flags are used? Does the compiler then simply use CMAKE_CXX_FLAGS and CMAKE_C_FLAGS for C++ and C?

推荐答案

默认值将是空或调试，具体取决于编译器。该变量的值将仅在使用SOME_VAR _ $ {CONFIG}的地方感兴趣。所以回答你的问题。从我的理解，可以添加调试标志。文档（ http://www.cmake.org/cmake/ help / v3.3 / variable / CMAKE_BUILD_TYPE.html ）不太清楚。

The default will be "empty" or "Debug" depending on the compiler. The value of the variable will be only of interest in places where SOME_VAR_${CONFIG} is used. So to answer your question. From my understanding the debug flags could be added. The documentation (http://www.cmake.org/cmake/help/v3.3/variable/CMAKE_BUILD_TYPE.html) is unfortunately not so clear.

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