--host:
arm-linux/arm-qnx
./configure --host=arm-linux --prefix=/your_workspace/install CC=/release_version/toolchains/aarch64--glibc--stable/bin/aarch64-linux-gcc
make && make install
--boost
./b2 install link=static toolset=qcc cxxflags="-Vgcc_ntoaarch64le" target-os=qnxnto --prefix=/your_install_path