Build: Change build to always use system leveldb

Dynamically link to the leveldb installed on the system rather than
statically linking ceph copy.  Remove the --with-system-leveldb config
option, and add a requirement for leveldb libraries for rpm and debian
packages.  Bug 3945.

Signed-off-by: Gary Lowell  <gary.lowell@inktank.com>

5 files changed, 6 insertions, 20 deletions

diff --git a/autogen.sh b/autogen.sh
index 9d6a77bae63..f90c49de20a 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -19,5 +19,4 @@ autoconf
 autoheader
 automake -a --add-missing -Wall
 ( cd src/gtest && autoreconf -fvi; )
-( cd src/leveldb && mkdir -p m4 && autoreconf -fvi; )
 exit
diff --git a/ceph.spec.in b/ceph.spec.in
index 2ba4c7533f3..da05b44e234 100644
--- a/ceph.spec.in
+++ b/ceph.spec.in
@@ -25,6 +25,7 @@ Requires:	librbd1 = %{version}-%{release}
 Requires:	librados2 = %{version}-%{release}
 Requires:	libcephfs1 = %{version}-%{release}
 Requires:	python
+Requires:	leveldb > 1.2
 Requires(post):	binutils
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:	gcc-c++
diff --git a/configure.ac b/configure.ac
index 2d445e55b0f..c7bb3d0515c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -24,7 +24,6 @@ AC_MSG_NOTICE([RPM_RELEASE='$RPM_RELEASE'])
 AC_CONFIG_MACRO_DIR([m4])
 
 AC_CONFIG_SUBDIRS([src/gtest])
-AC_CONFIG_SUBDIRS([src/leveldb])
 
 # Environment
 AC_CANONICAL_HOST
@@ -413,16 +412,8 @@ AC_ARG_WITH([ocf],
             [with_ocf=no])
 AM_CONDITIONAL(WITH_OCF, [ test "$with_ocf" = "yes" ])
 
-# use system leveldb?
-AC_ARG_WITH([system-leveldb],
-	[AS_HELP_STRING([--with-system-leveldb], [use system leveldb])],
-	,
-	[with_system_leveldb=no])
-AS_IF([test "x$with_system_leveldb" = xyes],
-	    [AC_CHECK_LIB([leveldb], [leveldb_open], [], [AC_MSG_FAILURE([libleveldb not found])], [-lsnappy -lpthread])])
-AS_IF([test "x$with_system_leveldb" = xcheck],
-	    [AC_CHECK_LIB([leveldb], [leveldb_open], [with_system_leveldb=yes], [], [-lsnappy -lpthread])])
-AM_CONDITIONAL(WITH_SYSTEM_LEVELDB, [ test "$with_system_leveldb" = "yes" ])
+# use system leveldb
+AC_CHECK_LIB([leveldb], [leveldb_open], [], [AC_MSG_FAILURE([libleveldb not found])], [-lsnappy -lpthread])
 
 # use system libs3?
 AC_ARG_WITH([system-libs3],
diff --git a/debian/control b/debian/control
index eefb4ee3b30..85c9e1eb5ff 100644
--- a/debian/control
+++ b/debian/control
@@ -11,7 +11,7 @@ Standards-Version: 3.9.3
 
 Package: ceph
 Architecture: linux-any
-Depends: ${shlibs:Depends}, ${misc:Depends}, sdparm | hdparm, binutils, ceph-common, uuid-runtime, python, xfsprogs, gdisk, parted
+Depends: ${shlibs:Depends}, ${misc:Depends}, sdparm | hdparm, binutils, ceph-common, uuid-runtime, python, xfsprogs, gdisk, parted, libleveldb1 (> 1.2)
 Recommends: ceph-mds, librados2, librbd1, btrfs-tools
 Description: distributed storage and file system
  Ceph is a distributed storage system designed to provide excellent
diff --git a/src/Makefile.am b/src/Makefile.am
index 9c453df1f53..9daf3f22182 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,6 +1,6 @@
 AUTOMAKE_OPTIONS = gnu
 SUBDIRS = ocf java
-DIST_SUBDIRS = gtest ocf leveldb libs3 java
+DIST_SUBDIRS = gtest ocf libs3 java
 
 EXTRA_DIST = \
 	libs3/COPYING \
@@ -64,14 +64,9 @@ if WITH_LIBAIO
 LIBOS_LDA += -laio
 endif
 
-if WITH_SYSTEM_LEVELDB
+# use system leveldb
 LIBOS_LDA += -lleveldb -lsnappy
 LEVELDB_INCLUDE =
-else
-LIBOS_LDA += leveldb/libleveldb.a
-SUBDIRS += leveldb
-LEVELDB_INCLUDE = -I$(top_srcdir)/src/leveldb/include
-endif
 
 # monitor
 ceph_mon_SOURCES = ceph_mon.cc