Ubuntu install libgdiplus failed with automake

Ubuntu install libgdiplus failed with automake

this is how i get the libgdiplus git clone
git://github.com/mono/libgdiplus.git but can't install,why?
root@ubuntu:/opt/mono-3.0/libgdiplus# ./autogen.sh --prefix=/usr
Running libtoolize...
libtoolize: putting auxiliary files in `.'.
libtoolize: copying file `./ltmain.sh'
libtoolize: You should add the contents of the following files to
`aclocal.m4':
libtoolize: `/usr/share/aclocal/libtool.m4'
libtoolize: `/usr/share/aclocal/ltoptions.m4'
libtoolize: `/usr/share/aclocal/ltversion.m4'
libtoolize: `/usr/share/aclocal/ltsugar.m4'
libtoolize: `/usr/share/aclocal/lt~obsolete.m4'
libtoolize: Consider adding `AC_CONFIG_MACRO_DIR([m4])' to
configure.in and
libtoolize: rerunning libtoolize, to keep the correct libtool macros
in-tree.
libtoolize: Consider adding `-I m4' to ACLOCAL_AMFLAGS in Makefile.am.
Running aclocal ...
aclocal: warning: autoconf input should be named 'configure.ac', not
'configure.in'
configure.in:11: warning: macro 'AM_PROG_LIBTOOL' not found in library
Running autoheader...
Running automake --gnu ...
automake: warning: autoconf input should be named 'configure.ac', not
'configure.in'
automake: warning: autoconf input should be named 'configure.ac', not
'configure.in'
src/Makefile.am:122: warning: 'INCLUDES' is the old name for
'AM_CPPFLAGS' (or '*_CPPFLAGS')
src/Makefile.am:1: error: Libtool library used but 'LIBTOOL' is undefined
src/Makefile.am:1: The usual way to define 'LIBTOOL' is to add
'LT_INIT'
src/Makefile.am:1: to 'configure.in' and run 'aclocal' and
'autoconf' again.
src/Makefile.am:1: If 'LT_INIT' is in 'configure.in', make sure
src/Makefile.am:1: its definition is in aclocal's search path.
tests/Makefile.am:5: warning: 'INCLUDES' is the old name for
'AM_CPPFLAGS' (or '*_CPPFLAGS')
**Error**: automake failed.
root@ubuntu:/opt/mono-3.0/libgdiplus#
what problem with my automake?
Acutally i m trying to Install with this way
http://forums.ext.net/showthread.php?22030-Installation-procedure-for-Mono-3-0-1-on-Ubuntu-12-04-and-Debian-%28correcting-Combobox-Base-Class-Error%29
..