# package root
PKGROOT=../../
# _*_ mode: Makefile; _*_
CXX=`R CMD config CXX`
CFLAGS=`R CMD config CFLAGS` 
# expose these flags to R CMD SHLIB
PKG_CPPFLAGS= -DXGBOOST_CUSTOMIZE_ERROR_ -I$(PKGROOT)  $(SHLIB_OPENMP_CFLAGS)
PKG_CPPFLAGS+= $(SHLIB_PTHREAD_FLAGS)
XGBFLAG= $(CFLAGS) -DXGBOOST_CUSTOMIZE_ERROR_ -fPIC  $(SHLIB_OPENMP_CFLAGS) $(SHLIB_PTHREAD_FLAGS)

PKG_LIBS = $(SHLIB_OPENMP_CFLAGS) $(SHLIB_PTHREAD_FLAGS)

ifeq ($(no_omp),1)
	PKG_CPPFLAGS += -DDISABLE_OPENMP 
endif

CXXOBJ= xgboost_wrapper.o xgboost_io.o xgboost_gbm.o xgboost_updater.o
OBJECTS= xgboost_R.o $(CXXOBJ)

.PHONY: all clean
all: $(SHLIB)
$(SHLIB): $(OBJECTS)

xgboost_wrapper.o: $(PKGROOT)/wrapper/xgboost_wrapper.cpp
xgboost_io.o: $(PKGROOT)/src/io/io.cpp 
xgboost_gbm.o: $(PKGROOT)/src/gbm/gbm.cpp
xgboost_updater.o: $(PKGROOT)/src/tree/updater.cpp

$(CXXOBJ) : 
	$(CXX) -c $(XGBFLAG) -o $@ $(firstword $(filter %.cpp %.c, $^) )

clean:
	rm -rf *.so *.o *~ *.dll