help me! for autogen.sh

Hi,
I am a new user of picogui. I try install picogui to my system (Redhat
9), but there is some error,could you help me ?
Flowwing is error message list:

[joe@Power pgserver]$ ./autogen.sh
autogen.sh: using default SDL m4 file
autogen.sh:running: aclocal -I macros
autogen.sh:running: autoheader
WARNING: Using auxiliary files such as `acconfig.h', `config.h.bot'
WARNING: and `config.h.top', to define templates for `config.h.in'
WARNING: is deprecated and discouraged.

WARNING: Using the third argument of `AC_DEFINE' and
WARNING: `AC_DEFINE_UNQUOTED' allows to define a template without
WARNING: `acconfig.h':

WARNING:   AC_DEFINE([NEED_MAIN], 1,
WARNING:             [Define if a function `main' is needed.])

WARNING: More sophisticated templates can also be produced, see the
WARNING: documentation.
configure.in:139: warning: AC_ARG_PROGRAM was called before
AC_CANONICAL_TARGET
autogen.sh:running: autoconf
autogen.sh:running: automake -a
configure.in:79: `OS' includes configure substitution `@OS@', and is
referred to from `libos_la_SOURCES': configure substitutions not allowed
in _SOURCES variables
configure.in:72: `VIDBASE' includes configure substitution `@VIDBASE@',
and is referred to from `libvidbase_la_SOURCES': configure substitutions
not allowed in _SOURCES variables
configure.in:73: `DRIVER' includes configure substitution `@DRIVER@',
and is referred to from `libvideo_la_SOURCES': configure substitutions
not allowed in _SOURCES variables
configure.in:70: `WIDGET' includes configure substitution `@WIDGET@',
and is referred to from `libwidget_la_SOURCES': configure substitutions
not allowed in _SOURCES variables
autogen.sh:error: while running automake -a
[joe@Power pgserver]$



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