After updating to sys-devel/libtool-2.2.4 I failed to emerge dev-scheme/guile both 1.8.4 and 1.8.4-r1.
Created attachment 152091 [details] aclocal-4097.out
Created attachment 152093 [details] environment
Created attachment 152095 [details] libtoolize-4097.out
Created attachment 152097 [details] build.log
Created attachment 152099 [details] eclass-debug.log
Please search. *** This bug has been marked as a duplicate of bug 220339 ***