On 23 February 2011 13:32, yuchape wrote: > Hi, > This is the problem I encountered in the "make" stage of gcc installation. > My system is x86_64-redhat-linux (Red Hat Linux 3.2.3-56). > The configure command is "--prefix=/usr/local/gcc-4.5.2 > --enable-threads=posix --disable-checking --disable-multilib > --enable-languages=c,c++,fortran --with-gmp=/usr/local/gmp-5.0.1 > --with-mpfr=/usr/local/mpfr-2.4.2 --with-mpc=/usr/local/mpc-0.8.1". > > Please help me. > > > /data/yuchape/gcc-build/./gcc/xgcc -shared-libgcc > -B/data/yuchape/gcc-build/./gcc -nostdinc++ -L/data/yuchape/gcc-build > /x86_64-unknown-linux-gnu/libstdc++-v3/src > -L/data/yuchape/gcc-build/x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs > -B > /usr/local/gcc-4.5.2/x86_64-unknown-linux-gnu/bin/ > -B/usr/local/gcc-4.5.2/x86_64-unknown-linux-gnu/lib/ -isystem /usr/l > ocal/gcc-4.5.2/x86_64-unknown-linux-gnu/include -isystem > /usr/local/gcc-4.5.2/x86_64-unknown-linux-gnu/sys-include - > x c++-header -g -O2 -D_GNU_SOURCE > -I/data/yuchape/gcc-build/x86_64-unknown-linux-gnu/libstdc++-v3/include/x86_64-unknow > n-linux-gnu -I/data/yuchape/gcc-build/x86_64-unknown-linux-gnu/libstdc++-v3/include > -I/data/yuchape/gcc-4.5.2/libstdc++ > -v3/libsupc++ -O2 -g > /data/yuchape/gcc-4.5.2/libstdc++-v3/include/precompiled/extc++.h -o > x86_64-unknown-linux-gnu/bits > /extc++.h.gch/O2g.gch > make[4]: warning: Clock skew detected. Your build may be incomplete. This is only a warning, you might be able to ignore it (I've seen it happen when compiling on virtual machines) > make[4]: Leaving directory > `/data/yuchape/gcc-build/x86_64-unknown-linux-gnu/libstdc++-v3/include' > Making all in libsupc++ > make[4]: Entering directory > `/data/yuchape/gcc-build/x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++' > make[4]: *** Makefile: Input/output error. Stop. I don't know what this is caused by, it's not a problem in the makefile. Is your disk full?