Handle --version reasonably in CANNOT_DUMP configuration.

* src/emacs.c (emacs_version, emacs_copyright): New string
variables.
(Vemacs_version, Vemacs_copyright): New Lisp_Object variables.
(syms_of_emacs): Defvar them, and initialize them from the C
string variables.
(main): If initialization hasn't been done, print initial version
info from the C strings, instead of starting an interactive session.
* lisp/version.el (emacs-copyright, emacs-version): Don't define
here.
* configure.in: Look for version string in its new place.

3 files changed, 90 insertions, 54 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 30bd78e208c..31084286ddb 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,13 @@
+2010-05-15  Ken Raeburn  <raeburn@raeburn.org>
+
+        Handle --version reasonably in CANNOT_DUMP configuration.
+        * emacs.c (emacs_version, emacs_copyright): New string variables.
+        (Vemacs_version, Vemacs_copyright): New Lisp_Object variables.
+        (syms_of_emacs): Defvar them, and initialize them from the C
+        string variables.
+        (main): If initialization hasn't been done, print initial version
+        info from the C strings, instead of starting an interactive session.
+
 2010-05-15  Eli Zaretskii  <eliz@gnu.org>
 
         * bidi.c (bidi_paragraph_init): Don't leave alone garbage values
diff --git a/src/config.in b/src/config.in
index 35530943682..4a0f58cc7da 100644
--- a/src/config.in
+++ b/src/config.in
@@ -315,10 +315,10 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Define to 1 if you have the <kerberos/krb.h> header file. */
 #undef HAVE_KERBEROS_KRB_H
 
-/* Define to 1 if `e_text' is member of `krb5_error'. */
+/* Define to 1 if `e_text' is a member of `krb5_error'. */
 #undef HAVE_KRB5_ERROR_E_TEXT
 
-/* Define to 1 if `text' is member of `krb5_error'. */
+/* Define to 1 if `text' is a member of `krb5_error'. */
 #undef HAVE_KRB5_ERROR_TEXT
 
 /* Define to 1 if you have the <krb5.h> header file. */
@@ -609,25 +609,25 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Define to 1 if you have the `strsignal' function. */
 #undef HAVE_STRSIGNAL
 
-/* Define to 1 if `ifr_addr' is member of `struct ifreq'. */
+/* Define to 1 if `ifr_addr' is a member of `struct ifreq'. */
 #undef HAVE_STRUCT_IFREQ_IFR_ADDR
 
-/* Define to 1 if `ifr_broadaddr' is member of `struct ifreq'. */
+/* Define to 1 if `ifr_broadaddr' is a member of `struct ifreq'. */
 #undef HAVE_STRUCT_IFREQ_IFR_BROADADDR
 
-/* Define to 1 if `ifr_flags' is member of `struct ifreq'. */
+/* Define to 1 if `ifr_flags' is a member of `struct ifreq'. */
 #undef HAVE_STRUCT_IFREQ_IFR_FLAGS
 
-/* Define to 1 if `ifr_hwaddr' is member of `struct ifreq'. */
+/* Define to 1 if `ifr_hwaddr' is a member of `struct ifreq'. */
 #undef HAVE_STRUCT_IFREQ_IFR_HWADDR
 
-/* Define to 1 if `ifr_netmask' is member of `struct ifreq'. */
+/* Define to 1 if `ifr_netmask' is a member of `struct ifreq'. */
 #undef HAVE_STRUCT_IFREQ_IFR_NETMASK
 
-/* Define to 1 if `n_un.n_name' is member of `struct nlist'. */
+/* Define to 1 if `n_un.n_name' is a member of `struct nlist'. */
 #undef HAVE_STRUCT_NLIST_N_UN_N_NAME
 
-/* Define to 1 if `tm_zone' is member of `struct tm'. */
+/* Define to 1 if `tm_zone' is a member of `struct tm'. */
 #undef HAVE_STRUCT_TM_TM_ZONE
 
 /* Define to 1 if `struct utimbuf' is declared by <utime.h>. */
@@ -853,6 +853,9 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Define to the one symbol short name of this package. */
 #undef PACKAGE_TARNAME
 
+/* Define to the home page for this package. */
+#undef PACKAGE_URL
+
 /* Define to the version of this package. */
 #undef PACKAGE_VERSION
 
@@ -912,6 +915,28 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Define to 1 if using the Motif X toolkit. */
 #undef USE_MOTIF
 
+/* Enable extensions on AIX 3, Interix.  */
+#ifndef _ALL_SOURCE
+# undef _ALL_SOURCE
+#endif
+/* Enable GNU extensions on systems that have them.  */
+#ifndef _GNU_SOURCE
+# undef _GNU_SOURCE
+#endif
+/* Enable threading extensions on Solaris.  */
+#ifndef _POSIX_PTHREAD_SEMANTICS
+# undef _POSIX_PTHREAD_SEMANTICS
+#endif
+/* Enable extensions on HP NonStop.  */
+#ifndef _TANDEM_SOURCE
+# undef _TANDEM_SOURCE
+#endif
+/* Enable general extensions on Solaris.  */
+#ifndef __EXTENSIONS__
+# undef __EXTENSIONS__
+#endif
+
+
 /* Define to 1 if we should use toolkit scroll bars. */
 #undef USE_TOOLKIT_SCROLL_BARS
 
@@ -947,28 +972,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Define to 1 if you need to in order for `stat' and other things to work. */
 #undef _POSIX_SOURCE
 
-/* Enable extensions on AIX 3, Interix.  */
-#ifndef _ALL_SOURCE
-# undef _ALL_SOURCE
-#endif
-/* Enable GNU extensions on systems that have them.  */
-#ifndef _GNU_SOURCE
-# undef _GNU_SOURCE
-#endif
-/* Enable threading extensions on Solaris.  */
-#ifndef _POSIX_PTHREAD_SEMANTICS
-# undef _POSIX_PTHREAD_SEMANTICS
-#endif
-/* Enable extensions on HP NonStop.  */
-#ifndef _TANDEM_SOURCE
-# undef _TANDEM_SOURCE
-#endif
-/* Enable general extensions on Solaris.  */
-#ifndef __EXTENSIONS__
-# undef __EXTENSIONS__
-#endif
-
-
 /* Define to rpl_ if the getopt replacement functions and variables should be
    used. */
 #undef __GETOPT_PREFIX
diff --git a/src/emacs.c b/src/emacs.c
index 6b19b45d0b0..36db274adf6 100644
--- a/src/emacs.c
+++ b/src/emacs.c
@@ -87,6 +87,9 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #endif
 #endif
 
+const char emacs_copyright[] = "Copyright (C) 2010 Free Software Foundation, Inc.";
+const char emacs_version[] = "24.0.50";
+
 extern void malloc_warning P_ ((char *));
 extern void set_time_zone_rule P_ ((char *));
 #ifdef HAVE_INDEX
@@ -180,6 +183,10 @@ Lisp_Object Vprevious_system_messages_locale;
 Lisp_Object Vsystem_time_locale;
 Lisp_Object Vprevious_system_time_locale;
 
+/* Copyright and version info.  The version number may be updated by
+   Lisp code.  */
+Lisp_Object Vemacs_copyright, Vemacs_version;
+
 /* If non-zero, emacs should not attempt to use a window-specific code,
    but instead should use the virtual terminal under which it was started.  */
 int inhibit_window_system;
@@ -802,35 +809,43 @@ main (int argc, char **argv)
   argc = 0;
   while (argv[argc]) argc++;
 
-  if (argmatch (argv, argc, "-version", "--version", 3, NULL, &skip_args)
-      /* We don't know the version number unless this is a dumped Emacs.
-         So ignore --version otherwise.  */
-      && initialized)
+  if (argmatch (argv, argc, "-version", "--version", 3, NULL, &skip_args))
     {
-      Lisp_Object tem, tem2;
-      tem = Fsymbol_value (intern_c_string ("emacs-version"));
-      tem2 = Fsymbol_value (intern_c_string ("emacs-copyright"));
-      if (!STRINGP (tem))
-        {
-          fprintf (stderr, "Invalid value of `emacs-version'\n");
-          exit (1);
-        }
-      if (!STRINGP (tem2))
+      const char *version, *copyright;
+      if (initialized)
         {
-          fprintf (stderr, "Invalid value of `emacs-copyright'\n");
-          exit (1);
+          Lisp_Object tem, tem2;
+          tem = Fsymbol_value (intern_c_string ("emacs-version"));
+          tem2 = Fsymbol_value (intern_c_string ("emacs-copyright"));
+          if (!STRINGP (tem))
+            {
+              fprintf (stderr, "Invalid value of `emacs-version'\n");
+              exit (1);
+            }
+          if (!STRINGP (tem2))
+            {
+              fprintf (stderr, "Invalid value of `emacs-copyright'\n");
+              exit (1);
+            }
+          else
+            {
+              version = SDATA (tem);
+              copyright = SDATA (tem2);
+            }
         }
       else
         {
-          printf ("GNU Emacs %s\n", SDATA (tem));
-          printf ("%s\n", SDATA(tem2));
-          printf ("GNU Emacs comes with ABSOLUTELY NO WARRANTY.\n");
-          printf ("You may redistribute copies of Emacs\n");
-          printf ("under the terms of the GNU General Public License.\n");
-          printf ("For more information about these matters, ");
-          printf ("see the file named COPYING.\n");
-          exit (0);
+          version = emacs_version;
+          copyright = emacs_copyright;
         }
+      printf ("GNU Emacs %s\n", version);
+      printf ("%s\n", copyright);
+      printf ("GNU Emacs comes with ABSOLUTELY NO WARRANTY.\n");
+      printf ("You may redistribute copies of Emacs\n");
+      printf ("under the terms of the GNU General Public License.\n");
+      printf ("For more information about these matters, ");
+      printf ("see the file named COPYING.\n");
+      exit (0);
     }
   if (argmatch (argv, argc, "-chdir", "--chdir", 2, &ch_to_dir, &skip_args))
       if (chdir (ch_to_dir) == -1)
@@ -2577,6 +2592,14 @@ This is nil during initialization.  */);
                doc: /* If non-nil, X resources, Windows Registry settings, and NS defaults are not used.  */);
   inhibit_x_resources = 0;
 
+  DEFVAR_LISP ("emacs-copyright", &Vemacs_copyright,
+               doc: /* Short copyright string for this version of Emacs.  */);
+  Vemacs_copyright = build_string (emacs_copyright);
+
+  DEFVAR_LISP ("emacs-version", &Vemacs_version,
+               doc: /* Version numbers of this version of Emacs.  */);
+  Vemacs_version = build_string (emacs_version);
+
   /* Make sure IS_DAEMON starts up as false.  */
   daemon_pipe[1] = 0;
 }