--- Makefile.orig	2014-04-02 20:13:16.000000000 +0900
+++ Makefile	2014-04-22 18:49:40.944155929 +0900
@@ -4,7 +4,7 @@
 include $(OSL_HOME)/makefile.conf
 
 OSL_HOME_FLAGS = -DOSL_HOME=\"$(shell dirname $(shell dirname `pwd`))\"
-CXXFLAGS += $(OSL_HOME_FLAGS)
+CXXFLAGS += $(OSL_HOME_FLAGS) -fPIC -pipe
 
 EVAL_SRC = openMidEndingEval.cc \
  king8.cc       minorPiece.cc         ptypeEval.cc      eval_pieceStand.cc  weights.cc \
@@ -37,7 +37,7 @@
 OBJS = $(patsubst %.cc,%.o,$(SRCS))
 DEPS = $(patsubst %.cc,.deps/%.cc.d,$(SRCS))
 
-all: libosl_core.a
+all: libosl_core.so.1.0
 
 light-clean:
 	-rm -rf .deps
@@ -47,3 +47,6 @@
 
 -include $(DEPS)
 libosl_core.a : $(OBJS)
+
+libosl_core.so.1.0: $(OBJS)
+	$(CXX) -shared -Wl,-soname=libosl_core.so.1 $(OBJS) -o $@