UNAME := $(shell uname)


EXE                             = user_search.exe
EXE_MPI				= user_search_MPI.exe

COMPILATOR                      = g++
COMPILATOR_MPI                  = mpic++

COMPILATOR_OPTIONS              = -O2 -ansi 
COMPILATOR_OPTIONS_MPI          = $(COMPILATOR_OPTIONS) -DUSE_MPI

LIB_DIR                         = $(NOMAD_HOME)/lib
LIB_NOMAD                       = libnomad.so 
LIB_NOMAD_MPI                   = libnomad.MPI.so

CXXFLAGS                        =           
ifeq ($(UNAME), Linux)
CXXFLAGS                       += -Wl,-rpath,'$(LIB_DIR)'
CXXFLAGS                       += -ansi
endif
CXXFLAGS_MPI 	                = $(CXXFLAGS) -DUSE_MPI

LDLIBS                          = -lm -lnomad
LDLIBS_MPI                      = -lm -lmpi -lnomad.MPI

INCLUDE                         = -I$(NOMAD_HOME)/src -I$(NOMAD_HOME)/ext/sgtelib/src -I.
COMPILE                         = $(COMPILATOR) $(COMPILATOR_OPTIONS) $(INCLUDE) -c
COMPILE_MPI			= $(COMPILATOR_MPI) $(COMPILATOR_OPTIONS_MPI) $(INCLUDE) -c

OBJS                            = user_search.o
OBJS_MPI                        = user_search_MPI.o


ifndef NOMAD_HOME
define ECHO_NOMAD
	@echo Please set NOMAD_HOME environment variable!
	@false
endef
endif


$(EXE): $(OBJS)
	$(ECHO_NOMAD)
	@echo "   building the scalar version ..."
	@echo "   exe file : "$(EXE)
	@$(COMPILATOR) -o $(EXE) $(OBJS) $(LDLIBS) $(CXXFLAGS) -L$(LIB_DIR) 
ifeq ($(UNAME), Darwin)
	@install_name_tool -change $(LIB_NOMAD) $(NOMAD_HOME)/lib/$(LIB_NOMAD) $(EXE)
endif


$(EXE_MPI): $(OBJS_MPI) 
	$(ECHO_NOMAD)
	@echo "   building the MPI version ..."
	@echo "   exe file : "$(EXE_MPI)
	@$(COMPILATOR_MPI) -o  $(EXE_MPI) $(OBJS_MPI) $(LDLIBS_MPI) $(CXXFLAGS_MPI) -L$(LIB_DIR)
ifeq ($(UNAME), Darwin)
	@install_name_tool -change $(LIB_NOMAD_MPI) $(NOMAD_HOME)/lib/$(LIB_NOMAD_MPI) $(EXE_MPI)
endif


user_search.o: user_search.cpp
	$(ECHO_NOMAD)
	@$(COMPILE) user_search.cpp

user_search_MPI.o: user_search.cpp 
	$(ECHO_NOMAD)
	@$(COMPILE_MPI) user_search.cpp -o user_search_MPI.o

mpi: $(EXE_MPI)

all: $(EXE) $(EXE_MPI)

clean: ;
	@echo "   cleaning obj files"
	@rm -f $(OBJS) $(OBJS_MPI)

del: ;
	@echo "   cleaning trash files"
	@rm -f core *~
	@echo "   cleaning obj files"
	@rm -f $(OBJS) $(OBJS_MPI)
	@echo "   cleaning exe file"
	@rm -f $(EXE) $(EXE_MPI)


