third_party/leveldb: add a Makefile target for only building the
static library

MultiPart: 2/2
Change-Id: I849dbac67271efc4768fb4f8e470b88dd507dc94
diff --git a/csrc/leveldb/Makefile b/csrc/leveldb/Makefile
index 66f2fc8..1f70d68 100644
--- a/csrc/leveldb/Makefile
+++ b/csrc/leveldb/Makefile
@@ -103,6 +103,8 @@
 
 all: $(SHARED) $(LIBRARY)
 
+static: $(LIBRARY)
+
 check: all $(PROGRAMS) $(TESTS)
 	for t in $(TESTS); do echo "***** Running $$t"; ./$$t || exit 1; done
 
diff --git a/csrc/leveldb/README.google b/csrc/leveldb/README.google
index cb01878..1f3cddc 100644
--- a/csrc/leveldb/README.google
+++ b/csrc/leveldb/README.google
@@ -8,3 +8,4 @@
 
 Local Modifications:
 - go/vcl/5501 adds support for specifying where levelDB libraries should be built
+- go/vcl/11736 adds a Makefile target for only building the static library