X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=configure.ac;h=f101b861266d4fc434981ad36a81dd1edf195b2e;hp=61b9c004aedaec8fc3c7101c8b60f36eda0fbbdf;hb=014e00dfaea0efc92150e2aedc5ca43aa337545e;hpb=be7c10e20e8dcc6f61c6eab7d590979a98d2f6de

diff --git a/configure.ac b/configure.ac
index 61b9c00..f101b86 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 dnl
-AC_INIT([linux nfs-utils],[1.2.4],[linux-nfs@vger.kernel.org],[nfs-utils])
+AC_INIT([linux nfs-utils],[1.2.5],[linux-nfs@vger.kernel.org],[nfs-utils])
 AC_CANONICAL_BUILD([])
 AC_CANONICAL_HOST([])
 AC_CONFIG_MACRO_DIR(aclocal)
@@ -76,6 +76,9 @@ AC_ARG_ENABLE(nfsv41,
 	enable_nfsv41=$enableval,
 	enable_nfsv41=yes)
 	if test "$enable_nfsv41" = yes; then
+		if test "$enable_nfsv4" != yes; then
+			AC_MSG_ERROR([NFS v4.1 is enabled but NFS v4 is not. Use --disable-nfsv41])
+		fi
 		BLKMAPD=blkmapd
 	else
 		enable_nfsv41=
@@ -262,6 +265,12 @@ if test "$enable_nfsv4" = yes; then
     AC_RPCSEC_VERSION
   fi
 fi
+
+if test "$enable_nfsv41" = yes; then
+  AC_CHECK_LIB([devmapper], [dm_task_create], [LIBDEVMAPPER="-ldevmapper"], AC_MSG_ERROR([libdevmapper needed]))
+  AC_CHECK_HEADER(libdevmapper.h, , AC_MSG_ERROR([Cannot find devmapper header file libdevmapper.h]))
+fi
+
 dnl enable nfsidmap when its support by libnfsidmap
 AM_CONDITIONAL(CONFIG_NFSIDMAP, [test "$ac_cv_header_keyutils_h$ac_cv_lib_nfsidmap_nfs4_owner_to_uid" = "yesyes"])