On 2 August 2011 03:59, Bill Cunningham wrote: > I have 322 versions or gcc and g++ installed along with their development > libraries. gcc compiles fine and I have a working 461 C compiler. g++ not so > much. I get this error when I try to run an executable. > > ./a: error while loading shared libraries: libstdc++.so.6: cannot open > shared object file: No such file or directory > > The library is there. I don't know why it can't be found. Is the linker not > able to find libstc++.so.6 ? I am using an older linker but I don't know if > 2.21.1 would help I can put it into the system though. ld.so seems to be > working because it can find mpc mpfr and gmp libraries without me manually > having to use the switches. > > Any idea what's wrong? I already answered this offlist when you emailed me about it: http://gcc.gnu.org/onlinedocs/libstdc++/faq.html#faq.how_to_set_paths