Created attachment 474906 [details] emerge --info sbcl Hello. sbcl-1.3.17 built fine.
Created attachment 474908 [details] build.log
$ emerge -pqv '=dev-lisp/sbcl-1.3.18::gentoo' [ebuild r U ] dev-lisp/sbcl-1.3.18 [1.3.17] USE="threads unicode zlib -debug -doc -pax_kernel -source" [ebuild rR ] sci-mathematics/maxima-5.40.0 USE="X nls unicode -clisp -clozurecl (-cmucl) -ecls -emacs -gcl -sbcl -tk" LINGUAS="-de -es -pt -pt_BR"
=dev-lisp/sbcl-1.3.18 no longer in the tree. Current stable is =dev-lisp/sbcl-1.3.21