'error LANGUAGE_C undeclared' when compiling 'gcc/graphite-clast-to-gimple.c'

[niXman]

Hello!

When building gcc-4.6.3 release I get the following error:
>x86_64-w64-mingw32-gcc -c   -O2 -pipe -fomit-frame-pointer -momit-leaf-frame-pointer \
>   -I/mingw-libs-x64/include -D__USE_MINGW_ACCESS -DIN_GCC   -W -Wall \
>   -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes \
>   -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros \
>   -Wno-overlength-strings -Wold-style-definition -Wc++-compat \
>   -DHAVE_CONFIG_H \
>   -I. \
>   -I../../../mingw-src/gcc-4.6.3/gcc \
>   -I../../../mingw-src/gcc-4.6.3/gcc/. \
>   -I../../../mingw-src/gcc-4.6.3/gcc/../include \
>   -I../../../mingw-src/gcc-4.6.3/gcc/../libcpp/include \
>   -I../../../mingw-src/gcc-4.6.3/gcc/../libdecnumber \
>   -I../../../mingw-src/gcc-4.6.3/gcc/../libdecnumber/bid \
>   -I../libdecnumber \
>   -I/mingw-libs-x64/include \
>   -DCLOOG_INT_GMP -DCLOOG_ORG \
>   ../../../mingw-src/gcc-4.6.3/gcc/graphite-clast-to-gimple.c -o graphite-clast-to-gimple.o
>   ../../../mingw-src/gcc-4.6.3/gcc/graphite-clast-to-gimple.c: In function 'set_cloog_options':
>   ../../../mingw-src/gcc-4.6.3/gcc/graphite-clast-to-gimple.c:1370:23: error: 'LANGUAGE_C' undeclared (first use in this function)


configured with:
>   --host=x86_64-w64-mingw32 \
>   --build=x86_64-w64-mingw32 \
>   --target=x86_64-w64-mingw32 \
>   --enable-targets=all \
>   --enable-multilib \
>   --prefix=/mingw-x64 \
>   --with-sysroot=/mingw-x64 \
>   --with-tune=generic \
>   --enable-languages=c,c++,fortran,lto \
>   --enable-libstdcxx-time=yes \
>   --with-host-libstdcxx='-static -lstdc++' \
>   --enable-shared \
>   --enable-static \
>   --enable-threads=posix \
>   --enable-libgomp \
>   --enable-lto \
>   --enable-graphite \
>   --enable-cloog-backend=isl \
>   --enable-checking=release \
>   --enable-fully-dynamic-string \
>   --enable-version-specific-runtime-libs \
>   --enable-sjlj-exceptions \
>   --disable-ppl-version-check \
>   --disable-cloog-version-check \
>   --disable-libstdcxx-pch \
>   --disable-libstdcxx-debug \
>   --disable-bootstrap \
>   --disable-rpath \
>   --disable-win32-registry \
>   --disable-nls \
>   --disable-werror \
>   --disable-symvers \
>   --with-gmp=/mingw-libs-x64 \
>   --with-mpfr=/mingw-libs-x64 \
>   --with-mpc=/mingw-libs-x64 \
>   --with-ppl=/mingw-libs-x64 \
>   --with-cloog=/mingw-libs-x64 \
>   --with-libiconv


trunk with the same options is built successfully.
any ideas?

Thanks.

-- 
Regards,
  niXman