If you have boost installed on your system, CMake is probably looking for it in the wrong place. This may help you:
colcon build --symlink-install --cmake-args -DBoost_LIBRARY_DIR_RELEASE=/usr/lib/aarch64-linux-gnu/
If you have boost installed on your system, CMake is probably looking for it in the wrong place. This may help you:
colcon build --symlink-install --cmake-args -DBoost_LIBRARY_DIR_RELEASE=/usr/lib/aarch64-linux-gnu/