openslideconnection: fix link failure with modules enabled (#4456)

kleisauke · web-flow · commit a39ba73675cc · 2025-04-07T13:29:49.000+01:00
diff --git a/libvips/include/vips/internal.h b/libvips/include/vips/internal.h
@@ -171,6 +171,10 @@ int vips__print_renders(void);
 int vips__type_leak(void);
 int vips__object_leak(void);
 
+#ifdef HAVE_OPENSLIDE
+int vips__openslideconnection_leak(void);
+#endif /*HAVE_OPENSLIDE*/
+
 /* iofuncs
  */
 int vips__open_image_read(const char *filename);
diff --git a/libvips/iofuncs/init.c b/libvips/iofuncs/init.c
@@ -136,10 +136,6 @@ GQuark vips__image_pixels_quark = 0;
  */
 static char *vips__max_coord_arg = NULL;
 
-#ifdef HAVE_OPENSLIDE
-int vips__openslideconnection_leak(void);
-#endif /*HAVE_OPENSLIDE*/
-
 /**
  * vips_max_coord_get:
  *
@@ -395,9 +391,9 @@ vips_leak(void)
 	n_leaks += vips_tracked_get_allocs();
 	n_leaks += vips_tracked_get_mem();
 	n_leaks += vips_tracked_get_files();
-#ifdef HAVE_OPENSLIDE
+#if defined(HAVE_OPENSLIDE) && !defined(OPENSLIDE_MODULE)
 	n_leaks += vips__openslideconnection_leak();
-#endif /*HAVE_OPENSLIDE*/
+#endif /*defined(HAVE_OPENSLIDE) && !defined(OPENSLIDE_MODULE)*/
 
 	if (vips_tracked_get_allocs() ||
 		vips_tracked_get_mem() ||
