#---------------------------------------------------
# get compilation and library flags from root-config

ROOTCFLAGS    = $(shell $(ROOTSYS)/bin/root-config --cflags)
ROOTLIBS      = $(shell $(ROOTSYS)/bin/root-config --libs)
ROOTGLIBS     = $(shell $(ROOTSYS)/bin/root-config --glibs)

#---------------------------------------------------
# depending on the architecture, choose the compiler,
# linker, and the flags to use
#

OSTYPE = linux

ifeq ($(OSTYPE),linux)
OS = LINUX
endif
ifeq ($(OSTYPE),linux-gnu)
OS = LINUX
endif
ifeq ($(OSTYPE),darwin)
OS = DARWIN
endif

# -- Linux
ifeq ($(OS),LINUX)
CXX           = g++
CXXFLAGS      = -O -Wall -Wno-trigraphs -fPIC
MNPATH        = $(ROOTSYS)/include
INCLUDES      = -I $(PMUSRPATH) -I $(MNPATH)
LD            = g++
LDFLAGS       = -O
endif

# -- Darwin
ifeq ($(OS),DARWIN)
CXX           = g++
CXXFLAGS      = -O -Wall -fPIC
INCLUDES      = -I../include
LD            = g++
LDFLAGS       = -O
endif

# the output from the root-config script:
CXXFLAGS      += $(ROOTCFLAGS)
LDFLAGS       +=

# the ROOT libraries (G = graphic)
LIBS          = $(ROOTLIBS)
GLIBS         = $(ROOTGLIBS)

# Minuit2 lib
MNLIB         = -L$(ROOTSYS)/lib/ -lMinuit2
# MathMore lib
MMLIB         = -L$(ROOTSYS)/lib/ -lMathMore

EXEC = minuit2test_Gradients

# some definitions: headers, sources, objects,...
OBJS =
OBJS += $(EXEC).o

# make the executable:
#
all:  $(EXEC)

$(EXEC): $(OBJS)
	@echo "---> Building $(EXEC) ..."
	/bin/rm -f $(SHLIB)
	$(LD) $(OBJS) -o $(EXEC) $(GLIBS) $(MNLIB) $(MMLIB)
	@echo "done"

# clean up: remove all object file (and core files)
# semicolon needed to tell make there is no source
# for this target!
#
clean:; 	@rm -f $(OBJS)
	@echo "---> removing $(OBJS)"

#
$(OBJS): %.o: %.cpp
	$(CXX) $(INCLUDES) $(CXXFLAGS) -c $<