[...] ./.libs/libgcr-ui-3.so: undefined reference to `gtk_widget_set_margin_start' ./.libs/libgcr-ui-3.so: undefined reference to `gtk_widget_set_margin_end' [...] collect2: error: ld returned 1 exit status make[2]: *** [gcr-prompter] Error 1 A short Google search on this revealed: Previously this functions were called gtk_widget_set_margin_left and _right that has been deprecated and then removed. However, the new functions were probably[1] added in gtk+ 3.11.2. So that should be added to the dependency list of app-crypt/gcr Regards, Bodo [1] https://lists.fedorahosted.org/pipermail/anaconda-patches/2013-December/007899.html
Fixed, thanks for reporting! Patch submitted upstream at https://bugzilla.gnome.org/show_bug.cgi?id=753016 + 29 Jul 2015; Alexandre Rostovtsev <tetromino@gentoo.org> gcr-3.14.0.ebuild, + gcr-3.16.0.ebuild: + Require >=gtk+-3.12 (bug #556166, thanks to Bodo Thiesen).