diff -Nrup a/configure.ac b/configure.ac
--- a/configure.ac	2013-05-14 14:27:04.316530952 -0600
+++ b/configure.ac	2013-05-14 14:27:37.854394379 -0600
@@ -72,8 +72,10 @@ AC_CHECK_HEADERS([sys/poll.h])
 AC_CHECK_HEADERS([sys/ioctl.h])
 AC_CHECK_HEADERS([byteswap.h])
 
+AC_SEARCH_LIBS([htab_find_slot], [iberty], [], [AC_MSG_ERROR([*** libiberty not found])])
+AC_CHECK_HEADERS([libiberty.h], [], [AC_MSG_ERROR([*** libiberty.h header not found])])
 AC_SEARCH_LIBS([bfd_init], [bfd], [], [AC_MSG_ERROR([*** libbfd not found])])
-AC_CHECK_HEADERS([bfd.h], [], [AC_MSG_ERROR([*** POSIX caps headers not found])])
+AC_CHECK_HEADERS([bfd.h], [], [AC_MSG_ERROR([*** bfd.h header not found])])
 
 #### Typdefs, structures, etc. ####