[sheepdog] [PATCH 6/8] sheep: add option to disable shepherd driver

[Liu Yuan]

This is useful for people that don't want to compile any other drivers in the
sheep binary. Also is useful for driver patch to test drivers one by one.

Since it is not mature yet, we'd better disable it as default

Signed-off-by: Liu Yuan <namei.unix at gmail.com>
---
 configure.ac      |   10 ++++++++++
 sheep/Makefile.am |    6 ++++--
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index b169ae7..0fed031 100644
--- a/configure.ac
+++ b/configure.ac
@@ -224,6 +224,11 @@ AC_ARG_ENABLE([zookeeper],
 	[ enable_zookeeper="no" ],)
 AM_CONDITIONAL(BUILD_ZOOKEEPER, test x$enable_zookeeper = xyes)
 
+AC_ARG_ENABLE([shepherd],
+	[  --enable-shepherd       : build shepherd cluster driver ],,
+	[ enable_shepherd="no" ],)
+AM_CONDITIONAL(BUILD_SHEPHERD, test x$enable_shepherd = xyes)
+
 AC_ARG_WITH([initddir],
 	[  --with-initddir=DIR     : path to init script directory. ],
 	[ INITDDIR="$withval" ],
@@ -302,6 +307,11 @@ if test "x${enable_zookeeper}" = xyes; then
 	PACKAGE_FEATURES="$PACKAGE_FEATURES zookeeper"
 fi
 
+if test "x${enable_shepherd}" = xyes; then
+	AC_DEFINE_UNQUOTED([HAVE_SHEPHERD], 1, [have shepherd])
+	PACKAGE_FEATURES="$PACKAGE_FEATURES shepherd"
+fi
+
 if test "x${enable_trace}" = xyes; then
 	if test "x${enable_coverage}" = xyes; then
 		AC_MSG_ERROR(tracer cannot be used with coverage options)
diff --git a/sheep/Makefile.am b/sheep/Makefile.am
index bc810be..351e011 100644
--- a/sheep/Makefile.am
+++ b/sheep/Makefile.am
@@ -27,8 +27,7 @@ sbin_PROGRAMS		= sheep
 sheep_SOURCES		= sheep.c group.c request.c gateway.c store.c vdi.c \
 			  journal.c ops.c recovery.c cluster/local.c \
 			  object_cache.c object_list_cache.c \
-			  plain_store.c config.c migrate.c md.c \
-			  cluster/shepherd.c
+			  plain_store.c config.c migrate.c md.c
 
 if BUILD_HTTP
 sheep_SOURCES		+= http.c
@@ -39,6 +38,9 @@ endif
 if BUILD_ZOOKEEPER
 sheep_SOURCES		+= cluster/zookeeper.c
 endif
+if BUILD_SHEPHERD
+sheep_SOURCES		+= cluster/shepherd.c
+endif
 
 if BUILD_TRACE
 sheep_SOURCES		+= trace/trace.c trace/mcount.S trace/graph.c trace/checker.c
-- 
1.7.9.5