c++ - Installation of boost date_time library missing headers -


i wanted use boost date_time library in code. installed using following steps :

git clone --recursive https://github.com/boostorg/boost.git modular-boost cd modular-boost ./bootstrap.sh --prefix=/usr/local/boost --with-libraries=date_time /b2 install --prefix=/usr/local/boost

when try build code, getting error due missing ios_state.hpp file. 

boost/date_time/gregorian/gregorian_io.hpp:15:34: fatal error: boost/io/ios_state.hpp: no such file or directory

it looks installation process not copy required ios_state.hpp header file include directory. has encountered problem? using boost version 1.62.


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