Re: [patch, fortran] PR18428: use libcpp for preprocessing (review of C/C++ and fortran maintainers needed)

[dominiq at lps dot ens dot fr (Dominique Dhumieres)]

Yet another bootstrap failure at stage 2:

...
/opt/gcc/i686-darwin/./prev-gcc/xgcc -B/opt/gcc/i686-darwin/./prev-gcc/ -B/opt/gcc/gcc4.4w/i686-apple-darwin9/bin/  -g -O2 -fomit-frame-pointer -DIN_GCC   -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros                                 -Wno-overlength-strings -Werror -fno-common  -DHAVE_CONFIG_H  -o f951 \
                fortran/arith.o fortran/array.o fortran/bbt.o fortran/check.o fortran/cpp.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/target-memory.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 main.o tree-browser.o libbackend.a ../libcpp/libcpp.a ../libdecnumber/libdecnumber.a ../libcpp/libcpp.a ./../intl/libintl.a /usr/lib/libiconv.dylib  ../libiberty/libiberty.a ../libdecnumber/libdecnumber.a attribs.o -L/sw/lib -lmpfr -lgmp
Undefined symbols:
  "_darwin_register_objc_includes", referenced from:
      _target_c_incpath in libbackend.a(incpath.o)
  "_darwin_register_frameworks", referenced from:
      _target_c_incpath in libbackend.a(incpath.o)
  "_darwin_cpp_builtins", referenced from:
      _gfc_cpp_init in cpp.o
ld: symbol(s) not found
collect2: ld returned 1 exit status
make[3]: *** [f951] Error 1
make[3]: *** Waiting for unfinished jobs....
rm gcj-dbtool.pod fsf-funding.pod jcf-dump.pod jv-convert.pod grmic.pod gcov.pod gcj.pod gc-analyze.pod gfdl.pod cpp.pod gij.pod gfortran.pod gcc.pod
make[2]: *** [all-stage2-gcc] Error 2
make[1]: *** [stage2-bubble] Error 2
make: *** [all] Error 2

TIA

Dominique