On 27 March 2011 20:58, Nasser M. Abbasi wrote: > On 3/27/2011 12:01 PM, Jonathan Wakely wrote: > >> >> See this FAQ: >> http://gcc.gnu.org/wiki/FAQ#configure >> >> As stated in the installation instructions at >> gcc.gnu.org/install/configure.html you should not run ./configure, you >> should build GCC in a different directory from the one containing the >> sources. >> > > humm... Ok, will revisit everything then. I am just following the > standard method of building any linux software: unpack tar, cd to the > folder created, type ./configure; make; make install. Please read the installation docs, GCC is not just "any linux software" >> >> You're looking in the wrong file. >> >> As the FAQ says, the usual reason is that the runtime linker can't >> find the prerequisite libraries (which is also stated in the >> --with-gmp docs at http://gcc.gnu.org/install/configure.html - you >> should read that too.) >> > > Well, But I was following the instructions here: > > http://gcc.gnu.org/wiki/FAQ > > item 5, where it says: > > "You have to check the file 'config.log' in the directory where the > error occurred (denoted by Entering/Leaving directory)." > > And they gave an example. And in my case, such directory was: > > " make[2]: Leaving directory > `/media/sf_nabbasi/data/Fortran_related/gcc_4_6/gcc-4.6.0' > " > And that is the config.log file I was looking at. > > So, you see, I was just following the instructions, and did read it :) Hmm yes, that FAQ could be improved, the relevant line is actually: checking for suffix of object files... configure: error: in `/media/sf_nabbasi/data/Fortran_related/gcc_4_6/gcc-4.6.0/i686-pc-linux-gnu/libgcc': Which shows the directory where the error occurred (and where the relevant config.log is) I'll fix the FAQ. >> You could try using the makefile linked to at >> http://advogato.org/person/redi/diary/229.html which makes building >> gcc much easier (especially if you don't read the documentation about >> ensuring libgmp.so etc. can be found by the runtime linker) >> > > Thanks, will try it. > > I've uploaded the correct config.log file now here > > http://12000.org/tmp/march_27_2011/ > > and called it libgcc_config.log > > I see now the errors: That's not an error, that's just part of the normal configure process. If you search for the part that tries to determine the suffix of object files you will see: /media/sf_nabbasi/data/Fortran_related/gcc_4_6/gcc-4.6.0/host-i686-pc-linux-gnu/gcc/cc1: error while loading shared libraries: libmpc.so.2: cannot open shared object file: No such file or directory Which, as already suggested and as stated in the FAQ, is because the runtime linker cannot find libmpc.so Either set LD_LIBRARY_PATH, or to make your life easier link statically to gmp, mpfr and mpc, which is what the makefile I linked to does automatically.
