Gtk-Perl-0.6123 Compilation Problem

[Hans Juergen von Lengerke <hans knowledgepool com>]

Trying to build Gtk-Perl-0.6123 gives this error after doing
'perl *.PL', 'make':

<snip>
cc -c -I/usr/X11R6/include -I/usr/lib/glib/include  -I./Gtk -I./GdkImlib/
-I./build -Dbool=char -DHAS_BOOL -I/usr/local/include -O2
-DVERSION=\"0.6123\" -DXS_VERSION=\"0.6123\" -fPIC
-I/usr/lib/perl5/5.00503/i386-linux/CORE -DGTK_HVER=0x010203
build/GtkDefs.c
In file included from /usr/include/gdk/gdktypes.h:33,
                 from /usr/include/gdk/gdk.h:31,
                 from /usr/include/gtk/gtk.h:31,
                 from build/GtkDefs.h:22,
                 from build/GtkDefs.c:10:
/usr/local/include/glib.h:281: #error Could not determine proper atexit()
implementation
/usr/local/include/glib.h:486: warning: `GLONG_TO_LE' redefined
/usr/lib/glib/include/glibconfig.h:105: warning: this is the location of
the previous definition
/usr/local/include/glib.h:487: warning: `GULONG_TO_LE' redefined
/usr/lib/glib/include/glibconfig.h:106: warning: this is the location of
the previous definition
/usr/local/include/glib.h:488: warning: `GLONG_TO_BE' redefined
/usr/lib/glib/include/glibconfig.h:107: warning: this is the location of
the previous definition
/usr/local/include/glib.h:489: warning: `GULONG_TO_BE' redefined
/usr/lib/glib/include/glibconfig.h:108: warning: this is the location of
the previous definition
/usr/local/include/glib.h:577: warning: `GPOINTER_TO_INT' redefined
/usr/lib/glib/include/glibconfig.h:48: warning: this is the location of
the previous definition
/usr/local/include/glib.h:578: warning: `GPOINTER_TO_UINT' redefined
/usr/lib/glib/include/glibconfig.h:49: warning: this is the location of
the previous definition
/usr/local/include/glib.h:580: warning: `GINT_TO_POINTER' redefined
/usr/lib/glib/include/glibconfig.h:51: warning: this is the location of
the previous definition
/usr/local/include/glib.h:581: warning: `GUINT_TO_POINTER' redefined
/usr/lib/glib/include/glibconfig.h:52: warning: this is the location of
the previous definition
/usr/local/include/glib.h:1442: warning: `g_memmove' redefined
/usr/lib/glib/include/glibconfig.h:60: warning: this is the location of
the previous definition
make: *** [build/GtkDefs.o] Error 1

This is Perl 5.005_03, Redhat 6.0, Linux 2.2.5-22, gtk+-1.2.3-1