Remove deprecated build variable

diff --git a/doc/Makefile.am b/doc/Makefile.am
index 605f29a..ee9484a 100644 (file)
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -70,7 +70,7 @@ expand_content_files=
 # signals and properties.
 # e.g. INCLUDES=-I$(top_srcdir) -I$(top_builddir) $(GTK_DEBUG_FLAGS)
 # e.g. GTKDOC_LIBS=$(top_builddir)/gtk/$(gtktargetlib)
-INCLUDES=-I$(top_srcdir) $(LIBGSSDP_CFLAGS)
+AM_CPPFLAGS=-I$(top_srcdir) $(LIBGSSDP_CFLAGS)
 GTKDOC_LIBS=$(top_builddir)/libgssdp/libgssdp-1.0.la $(LIBGSSDP_LIBS)
 
 # This includes the standard gtk-doc make rules, copied by gtkdocize.