Added --configure-options for easy update & reconfigure existing mc.

Signed-off-by: Slava Zanko <slavazanko@gmail.com>

configure.ac

@@ -25,6 +25,8 @@ AC_CANONICAL_HOST
 
 AC_USE_SYSTEM_EXTENSIONS
 
+AC_DEFINE_UNQUOTED([MC_CONFIGURE_ARGS],["$ac_configure_args"],[MC configure arguments])
+
 AC_PROG_LIBTOOL
 PKG_PROG_PKG_CONFIG
 AC_PATH_PROG([PERL], [perl], [/usr/bin/perl])

src/args.c

@@ -93,6 +93,7 @@ static GOptionContext *context;
 static gboolean mc_args__nouse_subshell = FALSE;
 static gboolean mc_args__show_datadirs = FALSE;
 static gboolean mc_args__show_datadirs_extended = FALSE;
+static gboolean mc_args__show_configure_opts = FALSE;
 
 static GOptionGroup *main_group;
 
@@ -122,6 +123,14 @@ static const GOptionEntry argument_main_table[] = {
      NULL
     },
 
+    /* show configure options */
+    {
+     "configure-options", '\0', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_NONE,
+     &mc_args__show_configure_opts,
+     N_("Print configure options"),
+     NULL
+    },
+
     {
      "printwd", 'P', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_STRING,
      &mc_args__last_wd_file,
@@ -585,6 +594,12 @@ mc_args_process (int argc, char *argv[])
         return FALSE;
     }
 
+    if (mc_args__show_configure_opts)
+    {
+        show_configure_options ();
+        return FALSE;
+    }
+
     if (mc_args__force_colors)
         mc_global.args.disable_colors = FALSE;
 

src/textconf.c

@@ -207,3 +207,11 @@ show_datadirs_extended (void)
 #undef PRINTF_GROUP
 
 /* --------------------------------------------------------------------------------------------- */
+
+void
+show_configure_options (void)
+{
+    (void) printf ("%s\n", MC_CONFIGURE_ARGS);
+}
+
+/* --------------------------------------------------------------------------------------------- */

src/textconf.h

@@ -17,6 +17,7 @@
 
 extern void show_version (void);
 extern void show_datadirs_extended (void);
+extern void show_configure_options (void);
 
 /*** inline functions ****************************************************************************/
 #endif /* MC__TEXTCONF_H */