add mock exec

Makefile

@@ -17,14 +17,15 @@ else
 endif
 
 # specify tensor path
-BIN = xgboost
+BIN = xgboost 
+MOCKBIN = xgboost-mock
 OBJ = updater.o gbm.o io.o main.o 
 MPIBIN = xgboost-mpi
 SLIB = wrapper/libxgboostwrapper.so 
 
 .PHONY: clean all mpi python Rpack librabit librabit_mpi
 
-all: $(BIN) $(OBJ) $(SLIB) mpi
+all: $(BIN) $(OBJ) $(SLIB) $(MOCKBIN)
 mpi: $(MPIBIN)
 
 # rules to get rabit library
@@ -42,10 +43,14 @@ gbm.o: src/gbm/gbm.cpp src/gbm/*.hpp src/gbm/*.h
 io.o: src/io/io.cpp src/io/*.hpp src/utils/*.h src/learner/dmatrix.h src/*.h
 main.o: src/xgboost_main.cpp src/utils/*.h src/*.h src/learner/*.hpp src/learner/*.h 
 xgboost-mpi:  updater.o gbm.o io.o main.o librabit_mpi
+xgboost-mock: updater.o gbm.o io.o main.o librabit
 xgboost:  updater.o gbm.o io.o main.o  librabit
 wrapper/libxgboostwrapper.so: wrapper/xgboost_wrapper.cpp src/utils/*.h src/*.h src/learner/*.hpp src/learner/*.h  updater.o gbm.o io.o librabit
 
 $(BIN) : 
+	$(CXX) $(CFLAGS) -o $@ $(filter %.cpp %.o %.c, $^) $(LDFLAGS)  -lrabit
+
+$(MOCKBIN) : 
 	$(CXX) $(CFLAGS) -o $@ $(filter %.cpp %.o %.c, $^) $(LDFLAGS)  -lrabit_mock
 
 $(SLIB) :