# _*_ mode: Makefile; _*_
export CC  = gcc
export CXX = g++

# expose these flags to R CMD SHLIB
PKG_CPPFLAGS = -O3 -Wno-unknown-pragmas  -DXGBOOST_CUSTOMIZE_ERROR_ -fopenmp -fPIC  $(SHLIB_OPENMP_CFLAGS)
PKG_LIBS = $(SHLIB_OPENMP_CFLAGS)

# add flag to build native code even in cross compiler
ifeq "$(WIN)" "64"
	PKG_CPPFLAGS += -m64
endif

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

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

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

xgboost_wrapper.o: ../../wrapper/xgboost_wrapper.cpp
xgboost_io.o: ../../src/io/io.cpp

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

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