gcc-4.2-20061114 compile fails

[cc979.uk]

compile of gcc-4.2-20061114.tar.bz2 fails using mingw gcc-4.1.1 with latest
bison,flex

configure used

../configure -v --enable-optimize --enable-languages=c,c++ --with-gcc
--with-
gnu-ld --with-gnu-as --prefix=/mingw --enable-threads --disable-nls
--disable-w
in32-registry --disable-shared --enable-sjlj-exceptions --enable-libgcj
--disab
le-java-awt --without-x --enable-java-gc=boehm --disable-libgcj-debug
--enable-
interpreter --enable-hash-synchronization --enable-libstdcxx-debug
--without-li
biconv-prefix

the result

cc1.exe: warnings being treated as errors
../../gcc/tree-pretty-print.c: In function 'dump_bb_header':
../../gcc/tree-pretty-print.c:2652: warning: ISO C does not support the 'I'
printf flag
../../gcc/tree-pretty-print.c:2652: warning: format '%I64d' expects type
'int', but argument 3 has type 'gcov_type'
make[3]: *** [tree-pretty-print.o] Error 1
make[2]: *** [all-stage2-gcc] Error 2
make[1]: *** [stage2-bubble] Error 2
make: *** [all] Error 2

any clues?

cheers
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