Docs: add GL_CFLAGS to GTK_DOC_CFLAGS

Otherwise introspection may fail because wayland-client.h cannot be found.

diff --git a/docs/libs/Makefile.am b/docs/libs/Makefile.am
index c89e4dd..962de63 100644 (file)
--- a/docs/libs/Makefile.am
+++ b/docs/libs/Makefile.am
@@ -104,7 +104,7 @@ extra_files =
 
 # CFLAGS and LDFLAGS for compiling scan program. Only needed if your app/lib
 # contains GtkObjects/GObjects and you want to document signals and properties.
-GTKDOC_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS)
+GTKDOC_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(GL_CFLAGS)
 GTKDOC_LIBS = \
        $(top_builddir)/gst-libs/gst/allocators/libgstallocators-@GST_API_VERSION@.la \
        $(top_builddir)/gst-libs/gst/audio/libgstaudio-@GST_API_VERSION@.la \