Without this patch /usr/bin/libtoolize is different for each multilib since their host-triplets are different, despite there being no difference in the functionality of libtoolize itself. Ugly, but just patch this out. This fixes issues where libtool and libXX-libtool couldn't be installed into the same system. Upstream-Status: Inappropriate RP 2018/7/30 Index: libtool-2.4.6/libtoolize.in =================================================================== --- libtool-2.4.6.orig/libtoolize.in +++ libtool-2.4.6/libtoolize.in @@ -113,7 +113,7 @@ You must 'cd' to the top directory of yo When reporting a bug, please describe a test case to reproduce it and include the following information: - host-triplet: @host_triplet@ + host-triplet version: $progname (GNU @PACKAGE@) @VERSION@ automake: `($AUTOMAKE --version) 2>/dev/null |$SED 1q` autoconf: `($AUTOCONF --version) 2>/dev/null |$SED 1q`