Eos: 'boost/pfr.hpp' file not found

[kenneth]

new boost error?

[ 83%] Building LLVM bitcode simple.token.cpp.bc
In file included from /EOSIO/eos/contracts/eosio.bios/eosio.bios.cpp:6:
In file included from /EOSIO/eos/contracts/eosiolib/action.hpp:7:
/EOSIO/eos/contracts/eosiolib/datastream.hpp:18:10: fatal error: 'boost/pfr.hpp' file not found
#include <boost/pfr.hpp>
         ^~~~~~~~~~~~~~~
1 error generated.
make[2]: *** [contracts/eosio.bios/eosio.bios.cpp.bc] Error 1
make[1]: *** [contracts/eosio.bios/CMakeFiles/eosio.bios.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....
In file included from /EOSIO/eos/contracts/simple.token/simple.token.cpp:1:
In file included from /EOSIO/eos/contracts/eosiolib/eosio.hpp:7:
In file included from /EOSIO/eos/contracts/eosiolib/action.hpp:7:
/EOSIO/eos/contracts/eosiolib/datastream.hpp:18:10: fatal error: 'boost/pfr.hpp' file not found
#include <boost/pfr.hpp>
         ^~~~~~~~~~~~~~~
1 error generated.
make[2]: *** [contracts/simple.token/simple.token.cpp.bc] Error 1
make[1]: *** [contracts/simple.token/CMakeFiles/simple.token.dir/all] Error 2
make: *** [all] Error 2

    >>>>>>>>>>>>>>>>>>>> MAKE building EOSIO has exited with the above error.

[elmato]

Update git submodules

git submodule update --init --recursive