[telepathy-gabble/master] Make AX_CONFIG_DIR_IMPLY AC_DISABLE_OPTION_CHECKING

[Sjoerd Simons]

Turn of warnings about unknown options as this also causes warnings about
options from submodules. AC_CONFIG_SUBDIRS has the same behaviour
---
 m4/ax_config_dir.m4 |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/m4/ax_config_dir.m4 b/m4/ax_config_dir.m4
index d72b51c..0ba313f 100644
--- a/m4/ax_config_dir.m4
+++ b/m4/ax_config_dir.m4
@@ -12,6 +12,7 @@ dnl /usr/share/autoconf/autoconf/status.m4 which implements part of
 dnl AC_CONFIG_SUBDIRS
 
 AC_DEFUN([AX_CONFIG_DIR],
+[AC_REQUIRE([AC_DISABLE_OPTION_CHECKING])]
 [m4_append([_AC_LIST_SUBDIRS], [$1], [])]
 [
   # Remove --cache-file and --srcdir arguments so they do not pile up.
-- 
1.5.6.5