On 08/27/2010 12:58 PM, Tom Browder wrote: > I have been wrestling with building gcc-4.5.1 on an old Linux i686 > machine running SuSE 10 with gcc-4.0.3. > > I have updated libtools and m4. > > I have successfully built gmp, mpfr, and mpc. > > I have passed to configure the '--with-X=Y' options to where gmp, > mpfr, and mpc are installed. I have defined LDFLAGS with the location > of their libraries. I have passed the '--with-stage1-ldflags=X' > option with the same information. > > All this, yet I still get a build failure with these messages in the > "gcc_build/i686-pc-linux-gnu/libgcc/config.log" (note the build > directory is outside the gcc source tree): > > gcc version 4.5.1 (GCC) > configure:3004: $? = 0 > configure:2993: /home/tmb/src/gcc_build/./gcc/xgcc > -B/home/tmb/src/gcc_build/./gcc/ -B/usr/local/i686-pc-linux-gnu/bin/ > -B/usr/local/i686-pc-linux-gnu/lib/ -isystem > /usr/local/i686-pc-linux-gnu/include -isystem > /usr/local/i686-pc-linux-gnu/sys-include -V >&5 > xgcc: '-V' must come at the start of the command line > configure:3004: $? = 1 > configure:2993: /home/tmb/src/gcc_build/./gcc/xgcc > -B/home/tmb/src/gcc_build/./gcc/ -B/usr/local/i686-pc-linux-gnu/bin/ > -B/usr/local/i686-pc-linux-gnu/lib/ -isystem > /usr/local/i686-pc-linux-gnu/include -isystem > /usr/local/i686-pc-linux-gnu/sys-include -qversion >&5 > xgcc: unrecognized option '-qversion' > xgcc: no input files > configure:3004: $? = 1 > configure:3020: /home/tmb/src/gcc_build/./gcc/xgcc > -B/home/tmb/src/gcc_build/./gcc/ -B/usr/local/i686-pc-linux-gnu/bin/ > -B/usr/local/i686-pc-linux-gnu/lib/ -isystem > /usr/local/i686-pc-linux-gnu/include -isystem > /usr/local/i686-pc-linux-gnu/sys-include -o conftest -g -O2 > conftest.c >&5 > /home/tmb/src/gcc_build/./gcc/cc1: error while loading shared > libraries: libmpc.so.2: cannot open shared object file: No such file > or directory > configure:3023: $? = 1 > configure:3211: checking for suffix of object files > configure:3233: /home/tmb/src/gcc_build/./gcc/xgcc > -B/home/tmb/src/gcc_build/./gcc/ -B/usr/local/i686-pc-linux-gnu/bin/ > -B/usr/local/i686-pc-linux-gnu/lib/ -isystem > /usr/local/i686-pc-linux-gnu/include -isystem > /usr/local/i686-pc-linux-gnu/sys-include -c -g -O2 conftest.c >&5 > /home/tmb/src/gcc_build/./gcc/cc1: error while loading shared > libraries: libmpc.so.2: cannot open shared object file: No such file > or directory > > Note that the fatal error is that libmpc.so.2 cannot be found yet I > can see it in the place I told configure to look. I suspect that LD_LIBRARY_PATH does not include the directory in which you placed libmpc, so nothing can find it at runtime. It's a lot easier to build the prerequisites as part of gcc. See the script in http://gcc.gnu.org/svn/gcc/trunk/contrib/download_prerequisites Andrew.
