Comment # 4 on bug 1212835 from Petr Tesařík

Installation is not an issue. There is a symbolic link from /lib to /usr/lib.
All we need is to create a similar link in scripts/depmod.sh. Something like
this:

--- a/scripts/depmod.sh
+++ b/scripts/depmod.sh
@@ -27,7 +27,8 @@ fi
 # numbers, so we cheat with a symlink here
 depmod_hack_needed=true
 tmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX)
-mkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE"
+mkdir -p "$tmp_dir/usr/lib/modules/$KERNELRELEASE"
+ln -s usr/lib "$tmp_dir/lib"
 if "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then
        if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \
                -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then