On Wed, Jul 25, 2012 at 5:06 PM, Dhruv Matani <dhruvbird@xxxxxxxxx> wrote: > Command used to build gcc: ../gcc/configure --enable-languages=c,c++ > --prefix=/opt/gcc-latest; make > > I get the following error: > > make[4]: Leaving directory > `/home/dhruvbird/projects/gcc-build/i686-pc-linux-gnu/libgcc' > DEFINES='' HEADERS='../../../gcc/libgcc/config/i386/value-unwind.h' \ > ../../../gcc/libgcc/mkheader.sh > tmp-libgcc_tm.h > /bin/bash ../../../gcc/libgcc/../move-if-change tmp-libgcc_tm.h libgcc_tm.h > echo timestamp > libgcc_tm.stamp > /home/dhruvbird/projects/gcc-build/./gcc/xgcc > -B/home/dhruvbird/projects/gcc-build/./gcc/ > -B/opt/gcc-latest/i686-pc-linux-gnu/bin/ > -B/opt/gcc-latest/i686-pc-linux-gnu/lib/ -isystem > /opt/gcc-latest/i686-pc-linux-gnu/include -isystem > /opt/gcc-latest/i686-pc-linux-gnu/sys-include -g -O2 -O2 -g -O2 > -DIN_GCC -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes > -Wmissing-prototypes -Wold-style-definition -isystem ./include > -fpic -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -fpic > -I. -I. -I../.././gcc -I../../../gcc/libgcc -I../../../gcc/libgcc/. > -I../../../gcc/libgcc/../gcc -I../../../gcc/libgcc/../include > -I../../../gcc/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 ../../../gcc/libgcc/libgcc2.c > -fvisibility=hidden -DHIDE_EXPORTS > In file included from /usr/include/stdio.h:28:0, > from ../../../gcc/libgcc/../gcc/tsystem.h:88, > from ../../../gcc/libgcc/libgcc2.c:29: > /usr/include/features.h:324:26: fatal error: bits/predefs.h: No such > file or directory > #include <bits/predefs.h> > ^ > compilation terminated. > make[3]: *** [_muldi3.o] Error 1 > make[3]: Leaving directory > `/home/dhruvbird/projects/gcc-build/i686-pc-linux-gnu/libgcc' > make[2]: *** [all-stage1-target-libgcc] Error 2 > make[2]: Leaving directory `/home/dhruvbird/projects/gcc-build' > make[1]: *** [stage1-bubble] Error 2 > make[1]: Leaving directory `/home/dhruvbird/projects/gcc-build' > make: *** [all] Error 2 > > Any idea how I can fix this? This appears to be a problem with your C library. On your system /usr/include/features.h does #include <bits/predefs.h>, but bits/predefs.h does not exist. There isn't much GCC can do to help there. If you look at /usr/include/features.h you may find some other ideas. Ian
