root@Xubu:/home/xubu/xfce4-mailwatch-plugin# ./autogen.sh --prefix=${xfce_prefix}
xdt-autogen: It is recommended to use IT_PROG_INTLTOOL([0.35.0])
             in your configure.ac file and remove AC_PROG_INTLTOOL

             See http://bugzilla.xfce.org/show_bug.cgi?id=8930 for
             more information.

Preparing package directory /home/xubu/xfce4-mailwatch-plugin...
Running glib-gettextize --force --copy...
Copying file po/Makefile.in.in

Please add the files
  codeset.m4 gettext.m4 glibc21.m4 iconv.m4 isc-posix.m4 lcmessage.m4
  progtest.m4
from the /usr/local/share/aclocal directory to your autoconf macro directory
or directly to your aclocal.m4 file.
You will also need config.guess and config.sub, which you can get from
ftp://ftp.gnu.org/pub/gnu/config/.

Running intltoolize --automake --copy --force
Patching file 'po/Makefile.in.in'
Running libtoolize --force --copy...
libtoolize: putting auxiliary files in '.'.
libtoolize: copying file './ltmain.sh'
libtoolize: Consider adding 'AC_CONFIG_MACRO_DIRS([m4])' to configure.ac,
libtoolize: and rerunning libtoolize and aclocal.
libtoolize: Consider adding '-I m4' to ACLOCAL_AMFLAGS in Makefile.am.
Running aclocal   -I /usr/share/xfce4/dev-tools/m4macros -I /usr/share/xfce4/dev-tools/m4macros...
/usr/share/xfce4/dev-tools/m4macros/xdt-i18n.m4:44: warning: macro 'AM_GLIB_GNU_GETTEXT' not found in library
configure.ac:93: warning: macro 'AM_PATH_LIBGCRYPT' not found in library
configure.ac:45: warning: AC_COMPILE_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS
../../lib/autoconf/specific.m4:436: AC_AIX is expanded from...
configure.ac:45: the top level
configure.ac:45: warning: AC_RUN_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS
../../lib/autoconf/specific.m4:436: AC_AIX is expanded from...
configure.ac:45: the top level
Running autoheader...
configure.ac:45: warning: AC_COMPILE_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS
../../lib/autoconf/specific.m4:436: AC_AIX is expanded from...
configure.ac:45: the top level
configure.ac:45: warning: AC_RUN_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS
../../lib/autoconf/specific.m4:436: AC_AIX is expanded from...
configure.ac:45: the top level
Running automake --force-missing --add-missing --copy --gnu...
configure.ac:45: warning: AC_COMPILE_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS
../../lib/autoconf/specific.m4:436: AC_AIX is expanded from...
configure.ac:45: the top level
configure.ac:45: warning: AC_RUN_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS
../../lib/autoconf/specific.m4:436: AC_AIX is expanded from...
configure.ac:45: the top level
configure.ac:40: installing './compile'
configure.ac:31: installing './missing'
libmailwatch-core/Makefile.am: installing './depcomp'
Running autoconf...
configure.ac:45: warning: AC_COMPILE_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS
../../lib/autoconf/specific.m4:436: AC_AIX is expanded from...
configure.ac:45: the top level
configure.ac:45: warning: AC_RUN_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS
../../lib/autoconf/specific.m4:436: AC_AIX is expanded from...
configure.ac:45: the top level
configure.ac:93: error: possibly undefined macro: AM_PATH_LIBGCRYPT
      If this token and others are legitimate, please use m4_pattern_allow.
      See the Autoconf documentation.
configure:13913: error: possibly undefined macro: AM_GLIB_GNU_GETTEXT
root@Xubu:/home/xubu/xfce4-mailwatch-plugin#