http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50836
Bug #: 50836 Summary: [4.7 regression] bootstrap fails due to error: no previous prototype for 'find_all_hard_reg_sets' Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassig...@gcc.gnu.org ReportedBy: mi...@it.uu.se gcc-4.7-20111022 failed to bootstrap on i686-linux for me due to: /mnt/scratch/objdir47/./prev-gcc/xgcc -B/mnt/scratch/objdir47/./prev-gcc/ -B/mnt/scratch/install47/i686-pc-linux-gnu/bin/ -B/mnt/scratch/install47/i686-pc-linux-gnu/bin/ -B/mnt/scratch/install47/i686-pc-linux-gnu/lib/ -isystem /mnt/scratch/install47/i686-pc-linux-gnu/include -isystem /mnt/scratch/install47/i686-pc-linux-gnu/sys-include -c -g -O2 -gtoggle -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 -Werror -Wold-style-definition -Wc++-compat -DHAVE_CONFIG_H -I. -I. -I/mnt/scratch/gcc-4.7-20111022/gcc -I/mnt/scratch/gcc-4.7-20111022/gcc/. -I/mnt/scratch/gcc-4.7-20111022/gcc/../include -I/mnt/scratch/gcc-4.7-20111022/gcc/../libcpp/include -I/home/mikpe/pkgs/linux-x86/gmp-5.0.2/include -I/home/mikpe/pkgs/linux-x86/mpfr-3.0.1/include -I/home/mikpe/pkgs/linux-x86/mpc-0.9/include -I/mnt/scratch/gcc-4.7-20111022/gcc/../libdecnumber -I/mnt/scratch/gcc-4.7-20111022/gcc/../libdecnumber/bid -I../libdecnumber /mnt/scratch/gcc-4.7-20111022/gcc/rtlanal.c -o rtlanal.o /mnt/scratch/gcc-4.7-20111022/gcc/rtlanal.c:1017:1: error: no previous prototype for 'find_all_hard_reg_sets' [-Werror=missing-prototypes] cc1: all warnings being treated as errors make[3]: *** [rtlanal.o] Error 1 make[3]: Leaving directory `/mnt/scratch/objdir47/gcc' make[2]: *** [all-stage2-gcc] Error 2 make[2]: Leaving directory `/mnt/scratch/objdir47' make[1]: *** [stage2-bubble] Error 2 make[1]: Leaving directory `/mnt/scratch/objdir47' make: *** [bootstrap] Error 2 gcc-4.7-20111015 built Ok on that machine. Configured as: /mnt/scratch/gcc-4.7-20111022/configure --prefix=/mnt/scratch/install47 --with-gmp=/home/mikpe/pkgs/linux-x86/gmp-5.0.2 --with-mpfr=/home/mikpe/pkgs/linux-x86/mpfr-3.0.1 --with-mpc=/home/mikpe/pkgs/linux-x86/mpc-0.9 --disable-plugin --disable-lto --disable-nls --enable-threads=posix --enable-checking=release --disable-libmudflap --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --disable-build-poststage1-with-cxx