Hi, current mainline boostrap breaks (at least for me) on i686-pc-linux-gnu.
configure flags : --quiet --prefix=$DESTDIR --enable-languages=c++,fortran --with-gmp=/afs/mpa/data/martin/mygmp /scratch/gcc>make bootstrap [...] stage1/xgcc -Bstage1/ -B/afs/mpa/data/martin/ugcc/i686-pc-linux-gnu/bin/ -c -O2 -g -fomit-frame-pointer -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -pedantic -Wno-long-long -Wno-variadic-macros -Wold-style-definition -Wmissing-format-attribute -Werror -fno-common -DHAVE_CONFIG_H -I. -Icp -I/scratch/gcc/gcc -I/scratch/gcc/gcc/cp -I/scratch/gcc/gcc/../include -I/scratch/gcc/gcc/../libcpp/include -I/afs/mpa/data/martin/mygmp/include /scratch/gcc/gcc/cp/parser.c -o cp/parser.o cc1: warnings being treated as errors /scratch/gcc/gcc/cp/parser.c:79: warning: initialization makes integer from pointer without a cast /scratch/gcc/gcc/cp/parser.c:83: warning: braces around scalar initializer /scratch/gcc/gcc/cp/parser.c:83: warning: (near initialization for 'eof_token.value') /scratch/gcc/gcc/cp/parser.c:83: warning: excess elements in scalar initializer /scratch/gcc/gcc/cp/parser.c:83: warning: (near initialization for 'eof_token.value') /scratch/gcc/gcc/cp/parser.c:85: warning: missing initializer /scratch/gcc/gcc/cp/parser.c:85: warning: (near initialization for 'eof_token.location') make[2]: *** [cp/parser.o] Error 1 make[2]: Leaving directory `/scratch/ogcc/gcc' make[1]: *** [stage2_build] Error 2 make[1]: Leaving directory `/scratch/ogcc/gcc' make: *** [bootstrap] Error 2 Cheers, Martin