added Pango version sanity check.

2007-11-12  Michael Natterer  <mitch@gimp.org>

	* app/sanity.c: added Pango version sanity check.


svn path=/trunk/; revision=24132

ChangeLog

+2007-11-12  Michael Natterer  <mitch@gimp.org>
+
+	* app/sanity.c: added Pango version sanity check.
+
 2007-11-12  Sven Neumann  <sven@gimp.org>
 
 	* plug-ins/common/tiff-load.c (run): properly handle a failure of

app/sanity.c

@@ -20,6 +20,7 @@
 
 #include <glib.h>
 #include <fontconfig/fontconfig.h>
+#include <pango/pango.h>
 #include <pango/pangoft2.h>
 
 #include "libgimpbase/gimpbase.h"
@@ -31,6 +32,7 @@
 
 static gchar * sanity_check_gimp              (void);
 static gchar * sanity_check_glib              (void);
+static gchar * sanity_check_pango             (void);
 static gchar * sanity_check_fontconfig        (void);
 static gchar * sanity_check_freetype          (void);
 static gchar * sanity_check_filename_encoding (void);
@@ -46,6 +48,9 @@ sanity_check (void)
   if (! abort_message)
     abort_message = sanity_check_glib ();
 
+  if (! abort_message)
+    abort_message = sanity_check_pango ();
+
   if (! abort_message)
     abort_message = sanity_check_fontconfig ();
 
@@ -116,6 +121,44 @@ sanity_check_glib (void)
   return NULL;
 }
 
+static gchar *
+sanity_check_pango (void)
+{
+  gint         pango_major_version = pango_version () / 100 / 100;
+  gint         pango_minor_version = pango_version () / 100 % 100;
+  gint         pango_micro_version = pango_version () % 100;
+  const gchar *mismatch;
+
+#define PANGO_REQUIRED_MAJOR 1
+#define PANGO_REQUIRED_MINOR 18
+#define PANGO_REQUIRED_MICRO 0
+
+  mismatch = pango_version_check (PANGO_REQUIRED_MAJOR,
+                                  PANGO_REQUIRED_MINOR,
+                                  PANGO_REQUIRED_MICRO);
+
+  if (mismatch)
+    {
+      return g_strdup_printf
+        ("%s\n\n"
+         "GIMP requires Pango version %d.%d.%d or later.\n"
+         "Installed Pango version is %d.%d.%d.\n\n"
+         "Somehow you or your software packager managed\n"
+         "to install GIMP with an older Pango version.\n\n"
+         "Please upgrade to Pango version %d.%d.%d or later.",
+         mismatch,
+         PANGO_REQUIRED_MAJOR, PANGO_REQUIRED_MINOR, PANGO_REQUIRED_MICRO,
+         pango_major_version, pango_minor_version, pango_micro_version,
+         PANGO_REQUIRED_MAJOR, PANGO_REQUIRED_MINOR, PANGO_REQUIRED_MICRO);
+    }
+
+#undef PANGO_REQUIRED_MAJOR
+#undef PANGO_REQUIRED_MINOR
+#undef PANGO_REQUIRED_MICRO
+
+  return NULL;
+}
+
 static gchar *
 sanity_check_fontconfig (void)
 {