Gcc is broken by http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00039.html I got /net/gnu/export/gnu/src/gcc/gcc/gcc/flow.c: In function `init_propagate_block_info': /net/gnu/export/gnu/src/gcc/gcc/gcc/flow.c:1852: void value not ignored as it ought to be make[1]: *** [flow.o] Error 1 That piece of code is protected by HAVE_conditional_execution. H.J.