文件操作 - CXXFLAGS.rst
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文件: /usr/share/cmake3/Help/envvar/CXXFLAGS.rst
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CXXFLAGS -------- .. include:: ENV_VAR.txt Default compilation flags to be used when compiling ``CXX`` (C++) files. Will only be used by CMake on the first configuration to determine ``CXX`` default compilation flags, after which the value for ``CXXFLAGS`` is stored in the cache as :variable:`CMAKE_CXX_FLAGS <CMAKE_<LANG>_FLAGS>`. For any configuration run ( including the first), the environment variable will be ignored if the :variable:`CMAKE_CXX_FLAGS <CMAKE_<LANG>_FLAGS>` variable is defined.
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