make[5]: Entering directory `/Users/alex/Gentoo/var/tmp/portage/net-libs/libetpan-0.57/work/libetpan-0.57/src' test -z "/Users/alex/Gentoo/usr/lib" || /Users/alex/Gentoo/bin/mkdir -p "/Users/alex/Gentoo/var/tmp/portage/net-libs/libetpan-0.57/image//Users/alex/Gentoo/usr/lib" /Users/alex/Gentoo/bin/bash ../libtool --mode=install /Users/alex/Gentoo/bin/bash ../install-sh -c 'libetpan.la' '/Users/alex/Gentoo/var/tmp/portage/net-libs/libetpan-0.57/image//Users/alex/Gentoo/usr/lib/libetpan.la' libtool: install: `/Users/alex/Gentoo/var/tmp/portage/net-libs/libetpan-0.57/image//Users/alex/Gentoo/usr/lib/libetpan.la' is not a directory Try `libtool --help --mode=install' for more information. make[5]: *** [install-libLTLIBRARIES] Error 1
fixed in 0.57-r1, libtool doesn't expect SHELL to be different from CONFIG_SHELL.