From dec646eb888e5d9d9050d6b85d00d7414b7918c5 Mon Sep 17 00:00:00 2001
From: Kaj-Michael Lang <milang@tal.org>
Date: Thu, 10 Apr 2008 14:15:58 +0300
Subject: [PATCH] Make HAL optional even if requested

---
 configure.ac | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index 1883370..7714e9e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -134,10 +134,14 @@ else
 fi
 
 if test "x$enable_hal" = "xyes" ; then
-  PKG_CHECK_MODULES(HAL, hal)
-  AC_SUBST(HAL_LIBS)
-  AC_SUBST(HAL_CFLAGS)
-  AC_DEFINE([WITH_HAL], 1, [Listen to special events using hal])
+  PKG_CHECK_MODULES(HAL, hal, HAVE_HAL=yes, HAVE_HAL=no)
+  if test "x$HAVE_HAL" = "xyes"; then
+   AC_SUBST(HAL_LIBS)
+   AC_SUBST(HAL_CFLAGS)
+   AC_DEFINE([WITH_HAL], 1, [Listen to special events using HAL])
+  else
+   AC_MSG_NOTICE([HAL support requested but not found, disabling])
+  fi
 fi
 
 AC_PATH_PROG(GLIB_GENMARSHAL, glib-genmarshal)
-- 
2.39.5