[LLVMdev] _gt_ggc_r_gt_darwin_c_h undefined

[Jack Howarth]

   While attempting to build llvm-gcc-4.2 from llvm-2.7 release
branch, I am finding that the build fails at...

c++   -g -O2 -mdynamic-no-pic -DIN_GCC   -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Wold-style-definition -Wmissing-format-attribute   -mdynamic-no-pic -DHAVE_CONFIG_H  -o f951 \
		fortran/arith.o fortran/array.o fortran/bbt.o fortran/check.o fortran/data.o fortran/decl.o fortran/dump-parse-tree.o fortran/error.o fortran/expr.o fortran/interface.o fortran/intrinsic.o fortran/io.o fortran/iresolve.o fortran/match.o fortran/matchexp.o fortran/misc.o fortran/module.o fortran/openmp.o fortran/options.o fortran/parse.o fortran/primary.o fortran/resolve.o fortran/scanner.o fortran/simplify.o fortran/st.o fortran/symbol.o fortran/convert.o fortran/dependency.o fortran/f95-lang.o fortran/trans.o fortran/trans-array.o fortran/trans-common.o fortran/trans-const.o fortran/trans-decl.o fortran/trans-expr.o fortran/trans-intrinsic.o fortran/trans-io.o fortran/trans-openmp.o fortran/trans-stmt.o fortran/trans-types.o llvm-main.o  libbackend.a ../libcpp/libcpp.a /sw/lib/llvm/lib/libLLVMBitReader.a /sw/lib/llvm/lib/libLLVMipo.a /sw/lib/llvm/lib/libLLVMBitWriter.a /sw/lib/llvm/lib/libLLVMX86Disassembler.a /sw/lib/llvm/lib/libLLVMX86AsmParser.a /sw/lib/llvm/lib/libLLVMMCParser.a /sw/lib/llvm/lib/libLLVMX86AsmPrinter.a /sw/lib/llvm/lib/libLLVMX86CodeGen.a /sw/lib/llvm/lib/libLLVMSelectionDAG.a /sw/lib/llvm/lib/libLLVMAsmPrinter.a /sw/lib/llvm/lib/libLLVMCodeGen.a /sw/lib/llvm/lib/libLLVMScalarOpts.a /sw/lib/llvm/lib/libLLVMInstCombine.a /sw/lib/llvm/lib/libLLVMTransformUtils.a /sw/lib/llvm/lib/libLLVMipa.a /sw/lib/llvm/lib/libLLVMAnalysis.a /sw/lib/llvm/lib/libLLVMTarget.a /sw/lib/llvm/lib/libLLVMMC.a /sw/lib/llvm/lib/libLLVMCore.a /sw/lib/llvm/lib/libLLVMX86Info.a /sw/lib/llvm/lib/libLLVMSupport.a /sw/lib/llvm/lib/libLLVMSystem.a attribs.o stub-objc.o stub-c.o -L/sw/lib -lmpfr -lgmp ../libcpp/libcpp.a -lintl -L/sw/lib -liconv  ../libiberty/libiberty.a ../libdecnumber/libdecnumber.a -L/sw/lib/llvm/lib  -lpthread -lm 
Undefined symbols:
  "_gt_ggc_r_gt_darwin_c_h", referenced from:
      _gt_ggc_rtab in f95-lang.o
ld: symbol(s) not found
collect2: ld returned 1 exit status
make[3]: *** [f951] Error 1
make[3]: *** Waiting for unfinished jobs....
rm fsf-funding.pod gcov.pod gfdl.pod cpp.pod gfortran.pod gpl.pod gcc.pod
make[2]: *** [all-stage2-gcc] Error 2
make[1]: *** [stage2-bubble] Error 2
make: *** [all] Error 2
### execution of /var/tmp/tmp.1.bNaXas failed, exit code 2

when configured as...

../llvm-gcc4.2-2.7.source/configure   --prefix=/sw --prefix=/sw/lib/llvm-gcc-4.2 --mandir=/sw/share/man --infodir=/sw/share/info --with-gmp=/sw --with-libiconv-prefix=/sw --with-system-zlib --x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib --with-as=/Developer/usr/bin/as --with-ld=/Developer/usr/bin/ld --with-nm=/Developer/usr/bin/nm --with-gxx-include-dir=/usr/include/c++/4.2.1 --enable-llvm=/sw/lib/llvm --enable-languages=c,c++,fortran

Any ideas on how to fix this?
        Jack