quiet some new warnings

end.c:177:16: warning: unused parameter 'why' [-Wunused-parameter]
  177 | NH_abort(char *why)
      |          ~~~~~~^~~
end.c: At top level:
end.c:1191:1: warning: 'get_saved_pline' defined but not used [-Wunused-function]
 1191 | get_saved_pline(int lineno){
      | ^~~~~~~~~~~~~~~
options.c:1263:1: warning: 'optfn_crash_urlmax' defined but not used [-Wunused-function]
 1263 | optfn_crash_urlmax(int optidx UNUSED, int req, boolean negated UNUSED, char *opts, char *op)
      | ^~~~~~~~~~~~~~~~~~
options.c:1240:1: warning: 'optfn_crash_name' defined but not used [-Wunused-function]
 1240 | optfn_crash_name(int optidx UNUSED, int req, boolean negated UNUSED, char *opts, char *op)
      | ^~~~~~~~~~~~~~~~
options.c:1217:1: warning: 'optfn_crash_email' defined but not used [-Wunused-function]
 1217 | optfn_crash_email(int optidx UNUSED, int req, boolean negated UNUSED, char *opts, char *op)
      | ^~~~~~~~~~~~~~~~~

src/end.c

@@ -173,8 +173,14 @@ panictrace_setsignals(boolean set)
 }
 #endif /* NO_SIGNAL */
 
+#ifdef CRASHREPORT
+#define USED_FOR_CRASHREPORT
+#else
+#define USED_FOR_CRASHREPORT UNUSED
+#endif
+
 static void
-NH_abort(char *why)
+NH_abort(char *why USED_FOR_CRASHREPORT)
 {
     int gdb_prio = SYSOPT_PANICTRACE_GDB;
     int libc_prio = SYSOPT_PANICTRACE_LIBC;
@@ -1185,6 +1191,7 @@ dump_plines(void)
     }
 }
 
+#ifdef CRASHREPORT
 // lineno==0 gives the most recent message (e.g. "Do you want to call panic..."
 //   if called from #panic)
 static const char *
@@ -1205,7 +1212,8 @@ get_saved_pline(int lineno){
     }
     return NULL;
 }
-#endif
+#endif  /* CRASHREPORT */
+#endif  /* DUMPLOG */
 
 /*ARGSUSED*/
 static void

src/options.c

@@ -1213,6 +1213,7 @@ optfn_catname(
     return petname_optfn(optidx, req, negated, opts, op);
 }
 
+#ifdef CRASHREPORT
 static int
 optfn_crash_email(int optidx UNUSED, int req, boolean negated UNUSED, char *opts, char *op)
 {
@@ -1286,6 +1287,7 @@ optfn_crash_urlmax(int optidx UNUSED, int req, boolean negated UNUSED, char *opt
     }
     return optn_ok;
 }
+#endif /* CRASHREPORT */
 
 #ifdef CURSES_GRAPHICS
 static int