/usr/bin/ld: /usr/local/lib/libfftw3f.a(mapflags.o): relocation R_X86_64_32 against `a local symbol' can not be used when making a shared object; recompile with -fPIC /usr/local/lib/libfftw3f.a: could not read symbols: Bad value collect2: ld returned 1 exit status make[3]: *** [libmd.la] Error 1 make[3]: Leaving directory `/home/gromacs-4.5.5/src/mdlib' make[2]: *** [all-recursive] Error 1 make[2]: Leaving directory `/home/gromacs-4.5.5/src' make[1]: *** [all] Error 2 make[1]: Leaving directory `/home/gromacs-4.5.5/src' make: *** [all-recursive] Error 1