mutt]$ ./prepare --enable-pop --with-ssl
/usr/share/aclocal/xmms.m4:17: warning: underquoted definition of XMMS_TEST_VERSION
  run info '(automake1.9)Extending aclocal'
  or see http://sources.redhat.com/automake/automake.html#Extending%20aclocal
/usr/share/aclocal/xmms.m4:62: warning: underquoted definition of AM_PATH_XMMS
/usr/share/aclocal/vorbis.m4:9: warning: underquoted definition of XIPH_PATH_VORBIS
/usr/share/aclocal/ogg.m4:8: warning: underquoted definition of XIPH_PATH_OGG
/usr/share/aclocal/gtkgl.m4:4: warning: underquoted definition of AM_PATH_GTKGL
/usr/share/aclocal/gtk.m4:7: warning: underquoted definition of AM_PATH_GTK
/usr/share/aclocal/g-wrap.m4:7: warning: underquoted definition of AC_GWRAP_CHECK_GUILE
/usr/share/aclocal/g-wrap.m4:23: warning: underquoted definition of AM_PATH_GWRAP
/usr/share/aclocal/audiofile.m4:12: warning: underquoted definition of AM_PATH_AUDIOFILE