On Fri, Aug 27, 2010 at 07:09, Andrew Haley <aph@xxxxxxxxxx> wrote: > 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. Okay, but I didn't use it because I keep reading advice NOT to use it. I'll try that. But shouldn't gcc's build system work as advertised? Otherwise, what good are those options to pass flags to the various stages? > 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 I used to do that but have had problems with recent builds. Thanks, Andrew. Regards, -Tom
