build: print version on startup and add dist-version

Distributions should set dist-version at build time with the
package version and revision, so for RPM-based distros you'd

--with-dist-version=%{version}-%{release}

which will be printed out on MM startup to help debugging.

configure.ac

@@ -126,6 +126,14 @@ else
 fi
 AM_CONDITIONAL(WITH_LOCATION_API, test "x$with_location_api" = "xyes")
 
+dnl
+dnl Distribution version string
+dnl
+AC_ARG_WITH(dist-version, AS_HELP_STRING([--with-dist-version=<mm-dist-version>], [Define the custom version (like distribution package name and revision)]), ac_distver=$withval, ac_distver="")
+if ! test x"$ac_distver" = x""; then
+  AC_DEFINE_UNQUOTED(MM_DIST_VERSION, "$ac_distver", [Define the distribution version string])
+fi
+
 AC_CONFIG_FILES([
 Makefile
 marshallers/Makefile

src/main.c

@@ -11,9 +11,10 @@
  * GNU General Public License for more details:
  *
  * Copyright (C) 2008 - 2009 Novell, Inc.
- * Copyright (C) 2009 Red Hat, Inc.
+ * Copyright (C) 2009 - 2010 Red Hat, Inc.
  */
 
+#include <config.h>
 #include <signal.h>
 #include <syslog.h>
 #include <string.h>
@@ -23,7 +24,9 @@
 #include "mm-manager.h"
 #include "mm-options.h"
 
-#define HAL_DBUS_SERVICE "org.freedesktop.Hal"
+#if !defined(MM_DIST_VERSION)
+# define MM_DIST_VERSION VERSION
+#endif
 
 static GMainLoop *loop = NULL;
 
@@ -182,6 +185,8 @@ main (int argc, char *argv[])
     if (!mm_options_debug ())
         logging_setup ();
 
+    g_message ("ModemManager (version " MM_DIST_VERSION ") starting...");
+
     bus = dbus_g_bus_get (DBUS_BUS_SYSTEM, &err);
     if (!bus) {
         g_warning ("Could not get the system bus. Make sure "