c++ - Cannot find <bits/c++config> C++17 Mac -


i working on macos sierra.

i trying switch c++17 filesystem feature. added cmake /usr/local/include/c++/7.2.0 directory includes c++17 located. when compile, following error:

/usr/local/include/c++/7.2.0/iostream:38:10: fatal error: 'bits/c++config.h' file not found include <bits/c++config.h>

i tried add more path compilation line in cmake file nothing seems working.

i think need find right bits/c++config.h file, not included in code downloaded latest version of g++.

any idea?

thanks in advance.

julien


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