build: made gtk-doc optional

diff --git a/configure.ac b/configure.ac
index e768324..8e413c5 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -132,7 +132,9 @@ AC_SUBST(DBUS_SERVICES_DIR)
 AC_SUBST(DBUS_INTERFACES_DIR)
 
 # gtk-doc
-GTK_DOC_CHECK([1.18],[--flavour no-tmpl])
+m4_ifdef([GTK_DOC_CHECK],
+         [GTK_DOC_CHECK([1.18],[--flavour no-tmpl])],
+         [AM_CONDITIONAL([ENABLE_GTK_DOC], false)])
 
 # Checks for header files.
 AC_CHECK_HEADERS([string.h])