configure.ac:49: warning: AM_INIT_AUTOMAKE: two- and three-arguments forms are deprecated. For more info, see: configure.ac:49: http://www.gnu.org/software/automake/manual/automake.html#Modernize-AM_005fINIT_005fAUTOMAKE-invocation configure.ac:86: installing 'config/compile' configure.ac:49: installing 'config/missing' src/Makefile.am: installing 'config/depcomp' configure: WARNING: "Plugin archive will not be built; missing libarchive " configure: WARNING: "Plugin fancy will not be built; missing libwebkit-1.0 " configure: WARNING: "Plugin gdata will not be built; missing libgdata " configure: WARNING: "Plugin pdf_viewer will not be built; missing libpoppler-glib " configure: WARNING: "Plugin python will not be built; missing python " configure: WARNING: "Plugin pgpcore will not be built; missing libgpgme " configure: WARNING: "Plugin pgpmime will not be built; missing pgpcore plugin libgpgme " configure: WARNING: "Plugin pgpinline will not be built; missing pgpcore plugin libgpgme " configure: WARNING: "Plugin smime will not be built; missing pgpcore plugin libgpgme "