вт, 19 мая 2020 г., 22:31 Leonid Meyerovich via Boost-users <boost-users@lists.boost.org>:
Yes, I run 'file' command', it prints a lot of warning like

/home/lm/rfnoc/oe/sysroots/x86_64-oesdk-linux/usr/share/misc/magic.mgc, 1: Warning: offset ` �
                                                                                                ' invalid
/home/lm/rfnoc/oe/sysroots/x86_64-oesdk-linux/usr/share/misc/magic.mgc, 1: Warning: type ` �
                                                                                              ' invalid
/home/lm/rfnoc/oe/sysroots/x86_64-oesdk-linux/usr/share/misc/magic.mgc, 6: Warning: offset `Firmware v' invalid
/home/lm/rfnoc/oe/sysroots/x86_64-oesdk-linux/usr/share/misc/magic.mgc, 6: Warning: type `Firmware v' invalid
/home/lm/rfnoc/oe/sysroots/x86_64-oesdk-linux/usr/share/misc/magic.mgc, 7: Warning: offset ` ' invalid
/home/lm/rfnoc/oe/sysroots/x86_64-oesdk-linux/usr/share/misc/magic.mgc, 7: Warning: type ` ' invalid
/home/lm/rfnoc/oe/sysroots/x86_64-oesdk-linux/usr/share/misc/magic.mgc, 8: Warning: offset ` ' invalid
/home/lm/rfnoc/oe/sysroots/x86_64-oesdk-linux/usr/share/misc/magic.mgc, 8: Warning: type ` ' invalid
/home/lm/rfnoc/oe/sysroots/x86_64-oesdk-linux/usr/share/misc/magic.mgc, 13: Warning: offset ` ' invalid
/home/lm/rfnoc/oe/sysroots/x86_64-oesdk-linux/usr/share/misc/magic.mgc, 13: Warning: type ` ' invalid
/home/lm/rfnoc/oe/sysroots/x86_64-oesdk-linux/usr/share/misc/magic.mgc, 15: Warning: offset `::[ frontEndVersion = ' invalid
/home/lm/rfnoc/oe/sysroots/x86_64-oesdk-linux/usr/share/misc/magic.mgc, 15: Warning: type `::[ frontEndVersion = ' invalid


but I don't understand why? I have downloaded Linux version of BOOST, it should work, shouldn't it?


Looks like you build b2 with oe cross-compiler toolchain.
Check your path environment variable. 
You're using wrong gcc/g++.