configure: do not link leveldb with everything

Detect leveldb, but do not let autoconf blindly link it with everything on the
planet.

Signed-off-by: Dan Mick <dan.mick@inktank.com>
Sighed-off-by: Sage Weil <sage@redhat.com>
(cherry picked from commit 06a8f7b99c5533f397b34f448138220384df60ac)

diff --git a/configure.ac b/configure.ac
index 87c9d54a2bc8cb2b52ff52be186789a4f1328b5c..3846812983ee6ab0b8f5dfbf21833928a863c1c1 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -490,9 +490,9 @@ AC_ARG_WITH([ocf],
 AM_CONDITIONAL(WITH_OCF, [ test "$with_ocf" = "yes" ])
 
 # check is snappy-devel is installed, needed by leveldb
-AC_CHECK_LIB([snappy], [snappy_compress], [], [AC_MSG_FAILURE([libsnappy not found])])
+AC_CHECK_LIB([snappy], [snappy_compress], [true], [AC_MSG_FAILURE([libsnappy not found])])
 # use system leveldb
-AC_CHECK_LIB([leveldb], [leveldb_open], [], [AC_MSG_FAILURE([libleveldb not found])], [-lsnappy -lpthread])
+AC_CHECK_LIB([leveldb], [leveldb_open], [true], [AC_MSG_FAILURE([libleveldb not found])], [-lsnappy -lpthread])
 # see if we can use bloom filters with leveldb
 AC_LANG_PUSH([C++])
 AC_CHECK_HEADER([leveldb/filter_policy.h], [AC_DEFINE([HAVE_LEVELDB_FILTER_POLICY], [1], [Defined if LevelDB supports bloom filters ])])