Bulding fails on x86 soalris 10 with the following error:

gmake[4]: Entering directory `/root/tmp/workobjdir-gcc-current/x11/libunique/work/libunique-1.1.6/unique/bacon'
  CC     libunique_bacon_la-uniquebackend-bacon.lo
cc1: warnings being treated as errors
uniquebackend-bacon.c: In function 'find_file_with_pattern':
uniquebackend-bacon.c:123: error: missing sentinel in function call
uniquebackend-bacon.c: In function 'find_socket_file':
uniquebackend-bacon.c:161: error: missing sentinel in function call
uniquebackend-bacon.c:165: error: missing sentinel in function call
uniquebackend-bacon.c:189: error: format '%d' expects type 'int', but argument 4 has type 'pid_t'
uniquebackend-bacon.c:191: error: missing sentinel in function call
gmake[4]: *** [libunique_bacon_la-uniquebackend-bacon.lo] Error 1
gmake[4]: Leaving directory `/root/tmp/workobjdir-gcc-current/x11/libunique/work/libunique-1.1.6/unique/bacon'

GCC is version 4.3.3

If I call configure with ----enable-maintainer-flags=no it compiles. The help text when calling configure --help seems to be wrong, there stands default is no, but yes seems to be default.