Formerly main.c.~41~

diff --git a/main.c b/main.c
index 17c865a96203e7f59b15ca1124018619a37c2500..b2dcff05685ca440ea4498c06fdc83529a4aea7e 100644 (file)
--- a/main.c
+++ b/main.c
@@ -213,7 +213,7 @@ static struct stringlist *old_files = 0;
 /* List of files given with -W switches.  */
 
 static struct stringlist *new_files = 0;
-
+\f
 /* The table of command switches.  */
 
 static struct command_switch switches[] =
@@ -237,7 +237,7 @@ static struct command_switch switches[] =
        "ignore-errors", 0,
        "Ignore errors from commands" },
     { 'I', string, (char *) &include_directories, 0, 0, 0, 0, 0,
-       "include-path", "DIRECTORY",
+       "include-dir", "DIRECTORY",
        "Search DIRECTORY for included makefiles" },
     { 'j', positive_int, (char *) &job_slots, 1, 1, 0,
        (char *) &inf_jobs, (char *) &default_job_slots,
@@ -253,7 +253,7 @@ static struct command_switch switches[] =
        "Don't start multiple jobs unless load is below N" },
     { 'm', ignore, 0, 0, 0, 0, 0, 0,
        0, 0,
-       "Ignored for compatibility" },
+       "-b" },
     { 'n', flag, (char *) &just_print_flag, 1, 1, 1, 0, 0,
        "just-print", 0,
        "Don't actually run any commands; just print them" },
@@ -272,12 +272,9 @@ static struct command_switch switches[] =
     { 's', flag, (char *) &silent_flag, 1, 1, 0, 0, 0,
        "silent", 0,
        "Don't echo commands" },
-    { 'q', flag, (char *) &silent_flag, 1, 1, 0, 0, 0,
-       "quiet", 0,
-       "Same as -s" },
     { 'S', flag_off, (char *) &keep_going_flag, 1, 1, 0,
        0, (char *) &default_keep_going_flag,
-       "dont-keep-going", 0,
+       "no-keep-going", 0,
        "Turns off -k" },
     { 't', flag, (char *) &touch_flag, 1, 1, 1, 0, 0,
        "touch", 0,
@@ -294,11 +291,24 @@ static struct command_switch switches[] =
     { '\0', }
   };
 
-/* List of non-switch arguments.  */
+/* Secondary long names for options.  */
 
-struct stringlist *other_args = 0;
+static struct option long_option_aliases[] =
+  {
+    { "quiet",         no_argument,            0, 's' },
+    { "new",           required_argument,      0, 'W' },
+    { "assume-new",    required_argument,      0, 'W' },
+    { "assume-old",    required_argument,      0, 'o' },
+    { "max-load",      optional_argument,      0, 'l' },
+    { "dry-run",       no_argument,            0, 'n' },
+    { "recon",         no_argument,            0, 'n' },
+    { "makefile",      required_argument,      0, 'f' },
+  };
 
+/* List of non-switch arguments.  */
 
+struct stringlist *other_args = 0;
+\f
 /* The name we were invoked with.  */
 
 char *program;
@@ -1008,7 +1018,9 @@ decode_switches (argc, argv)
   register struct stringlist *sl;
   char *p;
   char options[sizeof (switches) / sizeof (switches[0]) * 3];
-  struct option long_options[sizeof (switches) / sizeof (switches[0])];
+  struct option long_options[(sizeof (switches) / sizeof (switches[0])) +
+                            (sizeof (long_option_aliases) /
+                             sizeof (long_option_aliases[0]))];
   register int c;
 
   decode_env_switches ("MAKEFLAGS", 9);
@@ -1050,6 +1062,10 @@ decode_switches (argc, argv)
        }
     }
   *p = '\0';
+  for (c = 0; c < (sizeof (long_option_aliases) /
+                  sizeof (long_option_aliases[0]));
+       ++c)
+    long_options[i++] = long_option_aliases[c];
   long_options[i].name = 0;
 
   /* getopt does most of the parsing for us.  */
@@ -1157,7 +1173,10 @@ positive integral argument",
       fputs ("Options:\n", stderr);
       for (cs = switches; cs->c != '\0'; ++cs)
        {
-         char buf[100], arg[50];
+         char buf[1024], arg[50];
+
+         if (cs->description[0] == '-')
+           continue;
 
          switch (long_options[cs - switches].has_arg)
            {
@@ -1172,15 +1191,42 @@ positive integral argument",
              break;
            }
 
-         if (cs->long_name == 0)
-           sprintf (buf, "  -%c%s",
-                    cs->c, arg);
-         else
-           sprintf (buf, "  -%c%s, --%s%s",
-                    cs->c, arg,
-                    cs->long_name, arg);
+         p = buf;
+         sprintf (buf, "  -%c%s", cs->c, arg);
+         p += strlen (p);
+         if (cs->long_name != 0)
+           {
+             sprintf (p, ", --%s%s", cs->long_name, arg);
+             p += strlen (p);
+             for (i = 0; i < (sizeof (long_option_aliases) /
+                              sizeof (long_option_aliases[0]));
+                  ++i)
+               if (long_option_aliases[i].val == cs->c)
+                 {
+                   sprintf (p, ", --%s%s", long_option_aliases[i].name, arg);
+                   p += strlen (p);
+                 }
+           }
+         {
+           struct command_switch *ncs = cs;
+           while ((++ncs)->c != '\0')
+             if (ncs->description[0] == '-' &&
+                 ncs->description[1] == cs->c)
+               {
+                 /* This is another switch that does the same
+                    one as the one we are processing.  We want
+                    to list them all together on one line.  */
+                 sprintf (p, ", -%c%s", ncs->c, arg);
+                 p += strlen (p);
+                 if (ncs->long_name != 0)
+                   {
+                     sprintf (p, ", --%s%s", ncs->long_name, arg);
+                     p += strlen (p);
+                   }
+               }
+         }
 
-         if (strlen (buf) >= 30)
+         if (p - buf >= 30)
            {
              fprintf (stderr, "%s\n", buf);
              buf[0] = '\0';