Hi Joern, You broke mainline.
gcc -c -O0 -g -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -fno-common -DHAVE_CONFIG_H -I. -I. -I../../mainline/gcc -I../../mainline/gcc/. -I../../mainline/gcc/../include -I../../mainline/gcc/../libcpp/include ../../mainline/gcc/fold-const.c -o fold-const.o ../../mainline/gcc/flow.c: In function `propagate_one_insn': ../../mainline/gcc/flow.c:1698: error: `PROP_DEAD_INSN' undeclared (first use in this function) ../../mainline/gcc/flow.c:1698: error: (Each undeclared identifier is reported only once ../../mainline/gcc/flow.c:1698: error: for each function it appears in.) ../../mainline/gcc/flow.c: In function `mark_set_1': ../../mainline/gcc/flow.c:2967: error: `PROP_DEAD_INSN' undeclared (first use in this function) make[1]: *** [flow.o] Error 1 Seems like your forgot the basic-block.h bits in this commit: http://gcc.gnu.org/ml/gcc-cvs/2005-05/msg00621.html Gr. Steven
