doc: Do not require the GStreamer cache generator

diff --git a/docs/meson.build b/docs/meson.build
index b7a5760..84fc6e8 100644 (file)
--- a/docs/meson.build
+++ b/docs/meson.build
@@ -14,7 +14,7 @@ if gst_dep.type_name() == 'internal'
     gst_proj = subproject('gstreamer')
     plugins_cache_generator = gst_proj.get_variable('plugins_cache_generator')
 else
-    plugins_cache_generator = find_program(join_paths(gst_dep.get_pkgconfig_variable('libexecdir'), 'gstreamer-' + apiversion, 'gst-plugins-doc-cache-generator'))
+    plugins_cache_generator = find_program(join_paths(gst_dep.get_pkgconfig_variable('libexecdir'), 'gstreamer-' + apiversion, 'gst-plugins-doc-cache-generator'), required: false)
 endif
 
 plugins_cache = join_paths(meson.current_source_dir(), 'gst_plugins_cache.json')