Paul Graphov <graphov@xxxxxxxxx> writes: > I've tried to build gcc-4.5 to play with it's new features but > unfortunately build failed. > I am using Fedora 12 x86_64 as host system and tried to build native compiler. > > The error looked like this: > > /home/druid/gcc-4.5/gcc-4.5- > 20100311/build/./gcc/xgcc > -B/home/druid/gcc-4.5/gcc-4.5-20100311/build/./gcc/ > -B/home/druid/usr/x86_64-unknown-linux-gnu/bin/ > -B/home/druid/usr/x86_64-unknown-linux-gnu/lib/ -isystem > /home/druid/usr/x86_64-unknown-linux-gnu/include -isystem > /home/druid/usr/x86_64-unknown-linux-gnu/sys-include -g -O2 -m32 > -O2 -g -O2 -DIN_GCC -W -Wall -Wwrite-strings -Wcast-qual > -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition > -isystem ./include -fPIC -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 > -D__GCC_FLOAT_NOT_NEEDED -I. -I. -I../../.././gcc > -I../../../../libgcc -I../../../../libgcc/. > -I../../../../libgcc/../gcc -I../../../../libgcc/../include > -I../../../../libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT > -DHAVE_CC_TLS -DUSE_TLS -o _muldi3.o -MT _muldi3.o -MD -MP -MF > _muldi3.dep -DL_muldi3 -c ../../../../libgcc/../gcc/libgcc2.c \ > -fvisibility=hidden -DHIDE_EXPORTS > In file included from /usr/include/features.h:376:0, > from /usr/include/stdio.h:28, > from ../../../../libgcc/../gcc/tsystem.h:87, > from ../../../../libgcc/../gcc/libgcc2.c:29: > /usr/include/gnu/stubs.h:7:27: fatal error: gnu/stubs-32.h: No such > file or directory Note the use of -m32 above. This is building the 32-bit version of the library, so that the -m32 option works. You should install the 32-bit header files or configure with --disable-multilib. Ian
