Re: [MERGE] Add a --disable-zfs configure flag.

[Mike Gilbert <floppym@gentoo.org>]

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Here's a new bundle including a --without-libzfs flag, and a fix for my
build issue.

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# Bazaar merge directive format 2 (Bazaar 0.90)
# revision_id: floppym@gentoo.org-20120205010752-empg4oxbegj3fepe
# target_branch: http://bzr.savannah.gnu.org/r/grub/trunk/grub/
# testament_sha1: 3de5f3713591cd87700717bed9a9371d99f3e053
# timestamp: 2012-02-04 20:08:34 -0500
# base_revision_id: phcoder@gmail.com-20120204204729-kvhzfohes2vqg8h9
# 
# Begin patch
=== modified file 'configure.ac'
--- configure.ac	2012-02-04 20:47:29 +0000
+++ configure.ac	2012-02-05 01:05:27 +0000
@@ -974,16 +974,21 @@
                         [Define to 1 if you have the LZMA library.])],)
 AC_SUBST([LIBLZMA])
 
-AC_CHECK_LIB([zfs], [libzfs_init],
-             [LIBZFS="-lzfs"
-              AC_DEFINE([HAVE_LIBZFS], [1],
-                        [Define to 1 if you have the ZFS library.])],)
+AC_ARG_WITH([libzfs],
+              [AS_HELP_STRING([--without-libzfs], [Do not use libzfs.])])
+
+if test x"$with_libzfs" != xno; then
+  AC_CHECK_LIB([zfs], [libzfs_init],
+               [LIBZFS="-lzfs"
+                AC_DEFINE([HAVE_LIBZFS], [1],
+                          [Define to 1 if you have the ZFS library.])],)
+
+  AC_CHECK_LIB([nvpair], [nvlist_print],
+               [LIBNVPAIR="-lnvpair"
+                AC_DEFINE([HAVE_LIBNVPAIR], [1],
+                          [Define to 1 if you have the NVPAIR library.])],)
+fi
 AC_SUBST([LIBZFS])
-
-AC_CHECK_LIB([nvpair], [nvlist_print],
-             [LIBNVPAIR="-lnvpair"
-              AC_DEFINE([HAVE_LIBNVPAIR], [1],
-                        [Define to 1 if you have the NVPAIR library.])],)
 AC_SUBST([LIBNVPAIR])
 
 LIBS=""

=== modified file 'util/getroot.c'
--- util/getroot.c	2012-02-03 21:36:51 +0000
+++ util/getroot.c	2012-02-05 01:07:52 +0000
@@ -2380,7 +2380,7 @@
 }
 #endif
 
-#ifdef HAVE_LIBZFS
+#if defined(HAVE_LIBZFS) && defined(HAVE_LIBNVPAIR)
 static libzfs_handle_t *__libzfs_handle;
 
 static void

# Begin bundle
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