On 27 July 2016 at 08:47, Douglas Houston <dhouston@xxxxxxxxxxxxxxxxxx> wrote: > Hi all, > > I'm having some trouble installing the latest gcc (which I need to build > another program called Gromacs). > > I am on Scientific Linux release 6.8 (Carbon) (kernel > 2.6.32-573.3.1.el6.x86_64), trying to install gcc-5.4.0. > > After installing the latest gmp, mpfr and mpc, I create a separate objdir > build/install directory as recommended. In there, as root, I run: > > > ../gcc-5.4.0/configure > > > Which fails with: > > > /usr/bin/ld: crt1.o: No such file: No such file or directory > collect2: ld returned 1 exit status > configure: error: I suspect your system does not have 32-bit developement > librar > ies (libc and headers). If you have them, rerun configure with > --enable-multilib > . If you do not have them, and want to build a 64-bit-only compiler, rerun > confi > gure with --disable-multilib. https://gcc.gnu.org/wiki/FAQ#gnu_stubs-32.h > So as directed by the output, I try: > > > ../gcc-5.4.0/configure --disable-multilib > > > Now it fails with: > > > checking for x86_64-unknown-linux-gnu-gcc... > /root/gcc-5.4.0-install/./gcc/xgcc > -B/root/gcc-5.4.0-install/./gcc/ -B/usr/local/x86_64-unknown-linux-gnu/bin/ > -B/u > sr/local/x86_64-unknown-linux-gnu/lib/ -isystem > /usr/local/x86_64-unknown-linux- > gnu/include -isystem /usr/local/x86_64-unknown-linux-gnu/sys-include > checking for suffix of object files... configure: error: in > `/root/gcc-5.4.0-ins > tall/x86_64-unknown-linux-gnu/libgcc': > configure: error: cannot compute suffix of object files: cannot compile > See `config.log' for more details. https://gcc.gnu.org/wiki/FAQ#configure_suffix > Can anyone suggest what the fix might be? I've looked in config.log as the > output suggests but can't find any reference to > x86_64-unknown-linux-gnu-gcc. As it says at https://gcc.gnu.org/wiki/FAQ#configure_suffix, you're probably looking at the wrong config.log file. https://gcc.gnu.org/wiki/InstallingGCC might be useful. You've probably installed gmp, mpfr and mpc awkwardly.
