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