gtk-doc 1.13 fails to build

[aad@…]

G5 1.6GHz
OSX 10.5.8
Xcode 3.1.4

I've searched here and across the web but haven't found this issue:

[dagon:~] root# port upgrade -d outdated
--->  Computing dependencies for gtk-doc
--->  Building gtk-doc
Error: Target org.macports.build returned: shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_gnome_gtk-doc/work/gtk-doc-1.13" && /usr/bin/make -j1 all " returned error 2
Command output: gobject.c:183: error: variable 'info' has initializer but incomplete type
gobject.c:184: error: 'guint16' undeclared (first use in this function)
gobject.c:184: warning: excess elements in struct initializer
gobject.c:184: warning: (near initialization for 'info')
gobject.c:184: error: syntax error before 'sizeof'
gobject.c:185: warning: excess elements in struct initializer
gobject.c:185: warning: (near initialization for 'info')
gobject.c:186: warning: excess elements in struct initializer
gobject.c:186: warning: (near initialization for 'info')
gobject.c:187: warning: excess elements in struct initializer
gobject.c:187: warning: (near initialization for 'info')
gobject.c:188: warning: excess elements in struct initializer
gobject.c:188: warning: (near initialization for 'info')
gobject.c:189: warning: excess elements in struct initializer
gobject.c:189: warning: (near initialization for 'info')
gobject.c:190: warning: excess elements in struct initializer
gobject.c:190: warning: (near initialization for 'info')
gobject.c:190: error: syntax error before 'sizeof'
gobject.c:191: warning: excess elements in struct initializer
gobject.c:191: warning: (near initialization for 'info')
gobject.c:192: warning: excess elements in struct initializer
gobject.c:192: warning: (near initialization for 'info')
gobject.c:194: warning: excess elements in struct initializer
gobject.c:194: warning: (near initialization for 'info')
gobject.c:183: error: storage size of 'info' isn't known
gobject.c:183: warning: unused variable 'info'
make[3]: *** [gobject.lo] Error 1
make[2]: *** [all-recursive] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all-recursive] Error 1

Error: Problem while installing gtk-doc
Before reporting a bug, first run the command again with the -d flag to get complete output.

[dbevans (David B. Evans)]

Current version 1.15 build correctly