On Wed, Dec 29, 2010 at 6:53 PM, Jonathan Wakely <jwakely.gcc@xxxxxxxxx> wrote: > On 29 December 2010 18:32, Dan Track wrote: >> >> Thanks for the detailed response. Due to the server layout I can't >> install anywhere except in /opt. Apologies, the original gmp layout >> was a mistake, I can confirm that my gmp is in the following location: >> >> file /opt/gcc/usr/lib/libgmp.so >> /opt/gcc/usr/lib/libgmp.so: symbolic link to `libgmp.so.3.5.2' >> >> file /opt/gcc/usr/lib/libgmp.so.3.5.2 >> /opt/gcc/usr/lib/libgmp.so.3.5.2: ELF 64-bit LSB shared object, >> x86-64, version 1 (SYSV), not stripped > > (Personally I wouldn't have put "usr" in the path for gmp, i.e I'd > have installed it in /opt/gcc/lib not /opt/gcc/usr/lib, but it > shouldn't hurt, as long you actually pass the right path to configure, > which you're not doing.) > >> My server is: >> uname -a >> Linux sn37v98 2.6.16.60-0.69.1-smp #1 SMP Fri Sep 17 17:07:54 UTC 2010 >> x86_64 x86_64 x86_64 GNU/Linux >> >> With regards to the LD_LIBRARY_PATH, I’ve generally not liked its use. >> I know it will work when I set it with the location, but I would >> prefer to pass the details via the configure script. Is there a way to >> do, it given the –with-gmp doesn’t work for the second stage? > > --with-gmp would work if you said --with-gmp=/opt/gcc/usr instead of /opt/gcc > > But it would still need to find the shared libs at runtime, which is > why I suggest the use of LD_LIBRARY_PATH. The other options are to > link statically to gmp (the easiest option IMHO) which is what my > config-gcc.mk makefile configures, by putting the GMP, MPFR and MPC > sources in the GCC source tree. > > If you want to hardcode the library locations into the gcc executables > you can try using the -R or -rpath linker options, but the -L options > you're passing to configure will not help. > >> Also I’ve compiled the same gcc with just a prefix location and >> nothing else in the configure argument except the environment >> variables but it still didn’t build, I had to set LD_LIBRARY_PATH to >> make it find mpr, gmp etc... >> >> The various environment variables set: >> >>>> CC=/opt/utils/usr/bin/gcc CXX=/opt/utils/usr/bin/g++ CFLAGS="-g3 -O0 >>>> -I/opt/utils/usr/include" BOOT_LDFLAGS="-L/opt/gcc/lib >>>> -L/opt/gcc/usr/lib -L/opt/utils/lib -L/opt/utils/usr/lib" > > Just use --with-gmp and --with-mpfr and --with-mpc instead. They set > the include dirs and lib dirs correctly (assuming you give the right > path, which seems to be /opt/gcc/usr not /opt/gcc as you have been > using) > > But, as I said above, that won't remove the need for finding the > shared libs at runtime. > >> were done to aid in finding mpc etc, which are located in another location i.e.: >> /opt/gcc/lib and >> /opt/gcc/lib64 > > If you'd put gmp in there too it would've made things a bit simpler :-) > Hi Jonathan, Many many thanks for that. You're a star and I owe you one. It's worked and got past that error, although I have a new compilation issue but I'll open a new thread on that. Thanks Dan