#---------------------------------------------------
# Makefile.PMusr
#
# Author: Andreas Suter
# e-mail: andreas.suter@psi.ch
#
# $Id$
#
# Comment: If it doesn't work, try 
#          make --warning-undefined-variables -f Makefile.PMusr
#          it might be that OSTYPE is not set properly, i.e.
#          OSTYPE being a variable (set), instead of a enviornment
#          variable (printenv). If so, try 
#          export OSTYPE=linux-gnu
#          are whatever makes sense on your system.
#---------------------------------------------------

#---------------------------------------------------
# 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
#

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      = -g -Wall -Wno-trigraphs -fPIC
PMUSRPATH     = ../include
MNPATH        = $(ROOTSYS)/include
GSLPATH       = /usr/include/gsl
PSIBINPATH    = ../external/MuSR_software/Class_MuSR_PSI
INCLUDES      = -I$(PMUSRPATH) -I$(MNPATH) -I$(GSLPATH) -I$(PSIBINPATH)
LD            = g++
LDFLAGS       = -g
SOFLAGS       = -O -shared
endif

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

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

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

# PSI libs
PSILIBS       = -lTLemRunHeader
# Minuit2 lib
MNLIB         = -L$(ROOTSYS)/lib -lMinuit2
# GSL lib
GSLLIB        = -lgslcblas -lgsl


# some definitions: headers (used to generate *Dict* stuff), sources, objects,...
OBJS =
OBJS += PStartupHandler.o PStartupHandlerDict.o
OBJS += PMsrHandler.o
OBJS += PRunDataHandler.o
OBJS += PFunctionHandler.o
OBJS += PFunction.o
OBJS += PRunBase.o
OBJS += PRunSingleHisto.o
OBJS += PRunAsymmetry.o
OBJS += PRunRRF.o
OBJS += PRunNonMusr.o
OBJS += PRunListCollection.o
OBJS += PTheory.o
OBJS += PFitterFcn.o
OBJS += PFitter.o
OBJS += PMusrCanvas.o PMusrCanvasDict.o

EXTOBJS  =
EXTOBJS += MuSR_td_PSI_bin.o

SHLIB = libPMusr.so

# make the shared lib:
#
all:  $(SHLIB)

$(SHLIB): $(OBJS)
	@echo "---> Building shared library $(SHLIB) ..."
	/bin/rm -f $(SHLIB)
	$(LD) $(OBJS) $(EXTOBJS) $(SOFLAGS) -o $(SHLIB) $(GLIBS) $(PSILIBS) $(MNLIB) $(GSLLIB)
	@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) *Dict* core*
	@echo "---> removing $(OBJS)"

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

MuSR_td_PSI_bin.o: ../external/MuSR_software/Class_MuSR_PSI/MuSR_td_PSI_bin.cpp
	$(CXX) $(INCLUDES) $(CXXFLAGS) -c ../external/MuSR_software/Class_MuSR_PSI/MuSR_td_PSI_bin.cpp

PStartupHandlerDict.cpp: ../include/PStartupHandler.h
	@echo "Generating dictionary $@..."
	rootcint -f $@ -c -p $^

PMusrCanvasDict.cpp: ../include/PMusrCanvas.h
	@echo "Generating dictionary $@..."
	rootcint -v -f $@ -c -p $^

install: all
	@echo "Installing shared lib: libPMusr.so ( you must be root ;-) )"
ifeq ($(OS),LINUX)
	cp -pv $(SHLIB) $(ROOTSYS)/lib
	cp -pv $(PMUSRPATH)/*.h $(ROOTSYS)/include
endif