Bug 14157

While boulding gnome, using the gnome meta-port, I got the following failure:

Making all in libIDL
gmake[2]: Entering directory `/usr/ports/devel/ORBit/work/ORBit-0.4.95/libIDL'
/bin/sh ./libtool --mode=compile cc -DLIBIDL_INTERFACE_AGE=4 -DLIBIDL_BINARY_AGE=8 -DLIBIDL_LIBRARY_VERSION=\"0.6.8\" -DHAVE_CPP_PIPE_STDIN=1 -DCPP_PROGRAM=\"cc\ -E\" -DYYTEXT_POINTER=1 -DSTDC_HEADERS=1 -DHAVE_STDDEF_H=1  -I. -I.  -DYYDEBUG=1 -DYYERROR_VERBOSE=1                        -DIDL_LIBRARY -I/usr/local/include/glib12          -DG_LOG_DOMAIN=\"libIDL\"    -O -pipe -c parser.c
rm -f .libs/parser.lo
cc -DLIBIDL_INTERFACE_AGE=4 -DLIBIDL_BINARY_AGE=8 -DLIBIDL_LIBRARY_VERSION=\"0.6.8\" -DHAVE_CPP_PIPE_STDIN=1 "-DCPP_PROGRAM=\"cc -E\"" -DYYTEXT_POINTER=1 -DSTDC_HEADERS=1 -DHAVE_STDDEF_H=1 -I. -I. -DYYDEBUG=1 -DYYERROR_VERBOSE=1 -DIDL_LIBRARY -I/usr/local/include/glib12 -DG_LOG_DOMAIN=\"libIDL\" -O -pipe -c  -fPIC -DPIC parser.c -o .libs/parser.lo
/usr/share/misc/bison.simple: In function `__IDL_parse':
/usr/share/misc/bison.simple:489: `Y' undeclared (first use this function)
/usr/share/misc/bison.simple:489: (Each undeclared identifier is reported only once
/usr/share/misc/bison.simple:489: for each function it appears in.)
/usr/share/misc/bison.simple:489: parse error before character 031
gmake[2]: *** [parser.lo] Error 1
gmake[2]: Leaving directory `/usr/ports/devel/ORBit/work/ORBit-0.4.95/libIDL'
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory `/usr/ports/devel/ORBit/work/ORBit-0.4.95'
gmake: *** [all-recursive-am] Error 2
*** Error code 2

Stop.
*** Error code 1

Stop.
*** Error code 1

Stop.

Fix: 

None that I know of.
How-To-Repeat: I can repeat this at will by cd /usr/ports/devel/ORBit and doing a make