Cross-Compiled Linux From Scratch - Embedded - Version GIT-20190419-x86

Chapter 4. Constructing Cross-Compile Tools

4.4. Create the Cross Tools Sysroot Directory

Create a sysroot directory which will be used when building the cross compiler and link its usr directory to itself such that everything installs to the sysroot: 

mkdir -p ${CLFS}/cross-tools/${CLFS_TARGET}
ln -sfv . ${CLFS}/cross-tools/${CLFS_TARGET}/usr