undefined reference when building GCC-4.8.1 MinGW-W64

[i.nixman@autistici.org]

Hello guys!

a long time ago I successfully built this version of the GCC-4.8.1, and 
I'm pretty sure I used the same options.

but now, on stage3 I get a linking error:

x86_64-w64-mingw32-g++   -g -DIN_GCC   -fno-exceptions -fno-rtti 
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings 
-Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long 
-Wno-variadic-macros -Wno-overlength-strings   -DHAVE_CONFIG_H 
-static-libstdc++ -static-libgcc -pipe -fno-ident 
-L/home/Raj/mingw-gcc-4.8.1/x86_64-481-posix-sjlj-rt_v9/mingw64/opt/lib 
-L/home/Raj/mingw-gcc-4.8.1/prerequisites/x86_64-zlib-static/lib 
-L/home/Raj/mingw-gcc-4.8.1/prerequisites/x86_64-w64-mingw32-static/lib  
-Wl,--stack,12582912 -o cc1plus.exe \
       cp/cp-lang.o c-family/stub-objc.o cp/call.o cp/decl.o cp/expr.o 
cp/pt.o cp/typeck2.o cp/class.o cp/decl2.o cp/error.o cp/lex.o 
cp/parser.o cp/ptree.o cp/rtti.o cp/typeck.o cp/cvt.o cp/except.o 
cp/friend.o cp/init.o cp/method.o cp/search.o cp/semantics.o cp/tree.o 
cp/repo.o cp/dump.o cp/optimize.o cp/mangle.o cp/cp-objcp-common.o 
cp/name-lookup.o cp/cxx-pretty-print.o cp/cp-gimplify.o attribs.o 
incpath.o c-family/c-common.o c-family/c-cppbuiltin.o c-family/c-dump.o 
c-family/c-format.o c-family/c-gimplify.o c-family/c-lex.o 
c-family/c-omp.o c-family/c-opts.o c-family/c-pch.o 
c-family/c-ppoutput.o c-family/c-pragma.o c-family/c-pretty-print.o 
c-family/c-semantics.o c-family/c-ada-spec.o tree-mudflap.o i386-c.o 
winnt-cxx.o msformat-c.o default-c.o cc1plus-checksum.o libbackend.a 
main.o  libcommon-target.a libcommon.a ../libcpp/libcpp.a 
../libdecnumber/libdecnumber.a libcommon.a ../libcpp/libcpp.a  -liconv 
../libbacktrace/.libs/libbacktrace.a ../libiberty/libiberty.a 
../libdecnumber/libdecnumber.a  
-L/home/Raj/mingw-gcc-4.8.1/prerequisites/x86_64-w64-mingw32-static/lib 
-lcloog-isl 
-L/home/Raj/mingw-gcc-4.8.1/prerequisites/x86_64-w64-mingw32-static/lib 
-lisl 
-L/home/Raj/mingw-gcc-4.8.1/prerequisites/x86_64-w64-mingw32-static/lib 
-L/home/Raj/mingw-gcc-4.8.1/prerequisites/x86_64-w64-mingw32-static/lib 
-L/home/Raj/mingw-gcc-4.8.1/prerequisites/x86_64-w64-mingw32-static/lib 
-lmpc -lmpfr -lgmp   -lz
cp/except.o: In function `nothrow_libfn_p(tree_node const*)':
C:\msys64\home\Raj\mingw-gcc-4.8.1\x86_64-481-posix-sjlj-rt_v9\build\gcc-4.8.1\gcc/../../../../src/gcc-4.8.1/gcc/cp/except.c:1025: 
undefined reference to `libc_name_p(char const*, unsigned int)'
collect2.exe: error: ld returned 1 exit status


any ideas?



thanks!