configure: check for libio.h availability

[nfs-utils.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 70d6794f70a95f3cd3ab0a8a12ae44b18f4fd03f..cc7f3b4b4933c218d2e4cab7369ba5c1afc4e4d7 100644 (file)
--- 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],[1.2.6],[linux-nfs@vger.kernel.org],[nfs-utils])
+AC_INIT([linux nfs-utils],[1.2.7],[linux-nfs@vger.kernel.org],[nfs-utils])
 AC_CANONICAL_BUILD([])
 AC_CANONICAL_HOST([])
 AC_CONFIG_MACRO_DIR(aclocal)
@@ -76,7 +76,8 @@ AC_ARG_ENABLE(nfsv41,
        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])
+                       AC_MSG_WARN([NFS v4 is not enabled. Disabling NFS v4.1])
+                       enable_nfsv41=no
                fi
                BLKMAPD=blkmapd
        else
@@ -357,7 +358,7 @@ AC_CHECK_HEADERS([arpa/inet.h fcntl.h libintl.h limits.h \
                  stdlib.h string.h sys/file.h sys/ioctl.h sys/mount.h \
                  sys/param.h sys/socket.h sys/time.h sys/vfs.h \
                  syslog.h unistd.h com_err.h et/com_err.h \
-                 ifaddrs.h nfs-plugin.h])
+                 ifaddrs.h nfs-plugin.h libio.h])
 
 dnl *************************************************************
 dnl Checks for typedefs, structures, and compiler characteristics