cc-1047 cc: WARNING File = /usr/share/lib/perl5/irix-n32/5.00404/CORE/perlsdio.h, Line = 268
  Macro "getc_unlocked" (declared at line 394 of "/usr/include/stdio.h") has an
          incompatible redefinition.
 
  #define getc_unlocked(f)      PerlIO_getc(f)
          ^