hi

can someone help me with this please?

===> Configuring for mng-1.0.7
cd /home/cetrox/src/pkgsrc/graphics/mng/work.core/libmng-1.0.7;     /bin/ln -sf makefiles/configure.in .;       /bin/ln -sf makefiles/Makefile.am .;  /usr/pkg/bin/aclocal-1.8;     /usr/pkg/bin/libtoolize --automake;  /usr/pkg/bin/automake-1.8 -a --foreign -i;   /usr/pkg/bin/autoconf
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
 LC_ALL = "es_ES.ISO8859-1",
 LANG = (unset)
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
aclocal: configure.in: 21: macro `AM_PROG_LIBTOOL' not found in library
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
 LC_ALL = "es_ES.ISO8859-1",
 LANG = (unset)
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
configure.in: no proper invocation of AM_INIT_AUTOMAKE was found.
configure.in: You should verify that configure.in invokes AM_INIT_AUTOMAKE,
configure.in: that aclocal.m4 is present in the top-level directory,
configure.in: and that aclocal.m4 was recently regenerated (using aclocal).
configure.in: installing `./install-sh'
configure.in: installing `./missing'
Makefile.am:12: Libtool library used but `LIBTOOL' is undefined
Makefile.am:12: 
Makefile.am:12: The usual way to define `LIBTOOL' is to add `AC_PROG_LIBTOOL'
Makefile.am:12: to `configure.in' and run `aclocal' and `autoconf' again.
configure.in:8: error: possibly undefined macro: AM_INIT_AUTOMAKE
      If this token and others are legitimate, please use m4_pattern_allow.
      See the Autoconf documentation.
configure.in:17: error: possibly undefined macro: AM_C_PROTOTYPES
configure.in:21: error: possibly undefined macro: AM_PROG_LIBTOOL
*** Error code 1

Stop.
make: stopped in /home/cetrox/src/pkgsrc/graphics/mng
*** Error code 1

Stop.
make: stopped in /home/cetrox/src/pkgsrc/graphics/mng


Cesar