[tracker/extractor-rules-list: 6/11] libtracker-extract: Use same exclusion preprocessor rules as other headers

[Martyn James Russell <mr src gnome org>]

commit 77b905a0a48ba5dc6bdfa8f3c0a07ade71988953
Author: Martyn Russell <martyn lanedo com>
Date:   Tue Mar 15 13:58:59 2011 +0000

    libtracker-extract: Use same exclusion preprocessor rules as other headers
    
    i.e. use #error if the header is included outside of tracker-extract.h

 .../tracker-extract-module-manager.h               |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)
---
diff --git a/src/libtracker-extract/tracker-extract-module-manager.h b/src/libtracker-extract/tracker-extract-module-manager.h
index 9a7eca0..fb0f243 100644
--- a/src/libtracker-extract/tracker-extract-module-manager.h
+++ b/src/libtracker-extract/tracker-extract-module-manager.h
@@ -20,14 +20,17 @@
 #ifndef __TRACKER_EXTRACT_MODULE_MANAGER_H__
 #define __TRACKER_EXTRACT_MODULE_MANAGER_H__
 
+#if !defined (__LIBTRACKER_EXTRACT_INSIDE__) && !defined (TRACKER_COMPILATION)
+#error "only <libtracker-extract/tracker-extract.h> must be included directly."
+#endif
+
 #include <glib.h>
 #include <gmodule.h>
+
 #include <libtracker-sparql/tracker-sparql.h>
 
 G_BEGIN_DECLS
 
-#define __LIBTRACKER_EXTRACT_INSIDE__
-
 typedef gboolean (* TrackerExtractMetadataFunc) (const gchar          *uri,
                                                  const gchar          *mime_type,
                                                  TrackerSparqlBuilder *preupdate,
@@ -37,9 +40,7 @@ typedef gboolean (* TrackerExtractMetadataFunc) (const gchar          *uri,
 gboolean  tracker_extract_module_manager_init                (void) G_GNUC_CONST;
 GModule * tracker_extract_module_manager_get_for_mimetype    (const gchar                *mimetype,
                                                               TrackerExtractMetadataFunc *func);
-gboolean  tracker_extract_module_manager_mimetype_is_handled (const gchar *mimetype);
-
-#undef __LIBTRACKER_EXTRACT_INSIDE__
+gboolean  tracker_extract_module_manager_mimetype_is_handled (const gchar                *mimetype);
 
 G_END_DECLS