cross-compiler build problem on Mac OS X - _gt_ggc_r_gt_darwin_h undefined

[Alan Lehotsky]

In case this is a trivially obvious problem to someone....

Any idea what's wrong here?  I synched up from mainline last night, 
and it chugs along until
we discover we're missing something in the garbage collector (I think)


/usr/bin/cc -no-cpp-precomp -DIN_GCC -DCROSS_COMPILE 
-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0 -W -Wall 
-Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes 
-Wtraditional -pedantic -Wno-long-long  -DHAVE_CONFIG_H  -o cc1 \
         c-parse.o c-lang.o attribs.o c-errors.o c-lex.o c-pragma.o 
c-decl.o c-typeck.o c-convert.o c-aux-info.o c-common.o c-format.o 
c-semantics.o c-objc-common.o libcpp.a rs6000-c.o main.o libbackend.a 
./intl/libintl.a   ../libiberty/libiberty.a
/usr/bin/ld: Undefined symbols:
_gt_ggc_r_gt_darwin_h
make[1]: *** [cc1] Error 1
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