Missing -ldl for dlsym, dlerror, and dlopen, see http://bugs.gentoo.org/379251

--- ams-2.1.1/src/Makefile.am
+++ ams-2.1.1/src/Makefile.am
@@ -252,6 +252,8 @@
 	textedit.h \
 	notelist.h
 
+ams_LDADD = -ldl
+
 translationsdir = $(pkgdatadir)/translations
 translations = \
 	translations/ams_de.ts \