--- a/dev-util/codeblocks/codeblocks-20.03-r2.ebuild
+++ b/dev-util/codeblocks/codeblocks-20.03-r2.ebuild
@@ -60,6 +60,7 @@
 
 	econf \
 		--disable-static \
+		$(use_with contrib boost-libdir "${ESYSROOT}/usr/$(get_libdir)") \
 		$(use_enable debug) \
 		$(use_enable pch) \
 		${CONF_WITH_LST}