From 71b29ddcc466b72629b3f705c4c3414131b38580 Mon Sep 17 00:00:00 2001
From: Peter Rajnoha <prajnoha@redhat.com>
Date: Fri, 22 Apr 2011 11:56:41 +0000
Subject: [PATCH] Require libudev >= 143 when compiling with udev support.

Old versions of libudev < 143 were experimental and unstable. Require recent
and stable versions only (version 143 is old enough anyway).
---
 WHATS_NEW_DM         | 1 +
 configure.in         | 4 +---
 libdm/libdm-common.c | 1 -
 tools/dmsetup.c      | 1 -
 tools/lvmcmdline.c   | 1 -
 5 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/WHATS_NEW_DM b/WHATS_NEW_DM
index eb14d38fc..1a450261b 100644
--- a/WHATS_NEW_DM
+++ b/WHATS_NEW_DM
@@ -1,5 +1,6 @@
 Version 1.02.64 - 
 ===================================
+  Require libudev >= 143 when compiling with udev support.
   Use word alignment for dm_pool_strdup() and dm_pool_strndup().
   Use dm_snprintf() to fix signess warning in dm_set_dev_dir().
   Use unsigned loop counter to fix signess warning in _other_node_ops().
diff --git a/configure.in b/configure.in
index c531c8a5c..c19b8ce6b 100644
--- a/configure.in
+++ b/configure.in
@@ -803,9 +803,7 @@ AC_ARG_ENABLE(udev_sync,
 AC_MSG_RESULT($UDEV_SYNC)
 
 if test x$UDEV_SYNC = xyes; then
-	AC_CHECK_LIB(udev, udev_queue_get_udev_is_active,
-		     [UDEV_PC="libudev"; UDEV_LIBS="-ludev"],
-		     [AC_MSG_ERROR([bailing out... libudev library is required])])
+	PKG_CHECK_MODULES(UDEV, libudev >= 143, [UDEV_PC="libudev"])
 	AC_DEFINE([UDEV_SYNC_SUPPORT], 1, [Define to 1 to enable synchronisation with udev processing.])
 fi
 
diff --git a/libdm/libdm-common.c b/libdm/libdm-common.c
index 1ae1027c8..43d78588b 100644
--- a/libdm/libdm-common.c
+++ b/libdm/libdm-common.c
@@ -29,7 +29,6 @@
 #  include <sys/types.h>
 #  include <sys/ipc.h>
 #  include <sys/sem.h>
-#  define LIBUDEV_I_KNOW_THE_API_IS_SUBJECT_TO_CHANGE
 #  include <libudev.h>
 #endif
 
diff --git a/tools/dmsetup.c b/tools/dmsetup.c
index db9ad1b70..2a8e5a66e 100644
--- a/tools/dmsetup.c
+++ b/tools/dmsetup.c
@@ -45,7 +45,6 @@
 #  include <sys/types.h>
 #  include <sys/ipc.h>
 #  include <sys/sem.h>
-#  define LIBUDEV_I_KNOW_THE_API_IS_SUBJECT_TO_CHANGE
 #  include <libudev.h>
 #endif
 
diff --git a/tools/lvmcmdline.c b/tools/lvmcmdline.c
index ddf0b5ed4..eb198840b 100644
--- a/tools/lvmcmdline.c
+++ b/tools/lvmcmdline.c
@@ -43,7 +43,6 @@ extern char *optarg;
 #endif
 
 #ifdef UDEV_SYNC_SUPPORT
-#  define LIBUDEV_I_KNOW_THE_API_IS_SUBJECT_TO_CHANGE
 #  include <libudev.h>
 #endif