binutils-2.18; install failure

[Adam Smith]

Following all standard default steps and conditions.

Platform    : SGI: Indigo^2
OS          : IRIX 5.5.22

Tarball downloaded and expanded in Directory-1
object directory built outside of binutils-2.18 tree -

mkdir gcc_objdir      =>  {Directory-1/gcc_objdir}
cd gcc_objdir
sh Directory-1/.configure => processed OK to "config.status:  => 
"creating Makefile" last step

make =>
  failure step:
    make
    checking for mprotect... yes
    updating cache ./config.cache
    configure: creating ./config.status
    config.status: creating Makefile
    config.status: creating doc/Makefile
    config.status: creating bfd-in3.h
    config.status: creating po/Makefile.in
    config.status: creating config.h
    config.status: executing depfiles commands
    config.status: executing libtool commands
    config.status: executing default-1 commands
    config.status: executing bfd_stdint.h commands
    config.status: executing default commands
            if [ x"" != x ] && [ ! -d pic ]; then \
              mkdir pic; \
            else true; fi
            touch stamp-picdir
    don't know how to make regex.c (bu42).
    *** Error code 1 (bu21)
    *** Error code 1 (bu21)

_______________________________________________________________
Last few lines of config.log created =>
    ## ----------- ##
    ## confdefs.h. ##
    ## ----------- ##

    #define PACKAGE_BUGREPORT ""
    #define PACKAGE_NAME ""
    #define PACKAGE_STRING ""
    #define PACKAGE_TARNAME ""
    #define PACKAGE_VERSION ""
    #endif
    #ifdef __cplusplus
    extern "C" void std::exit (int) throw (); using std::exit;

    configure: exit 0

_______________________________________________________________

Any suggestions

Thanks!