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

ARCH = $(shell $(ROOTSYS)/bin/root-config --arch)

ifeq ($(ARCH),linux)
OS = LINUX
endif
ifeq ($(ARCH),linuxx8664gcc)
OS = LINUX
endif
ifeq ($(ARCH),win32gcc)
OS = WIN32GCC
endif
ifeq ($(ARCH),macosx)
OS = DARWIN
endif

# -- Linux
ifeq ($(OS),LINUX)
CXX           = g++
CXXFLAGS      = -O3 -Wall -Wno-trigraphs -fPIC
PMUSRPATH     = ../include
MNPATH        = $(ROOTSYS)/include
GSLPATH       = /usr/include/gsl
BOOSTPATH     = /usr/include
FFTW3PATH     = /usr/include
LEMPATH       = ../external/TLemRunHeader
PSIBINPATH    = ../external/MuSR_software/Class_MuSR_PSI
INCLUDES      = -I$(PMUSRPATH) -I$(MNPATH) -I$(GSLPATH) -I$(BOOSTPATH) -I$(LEMPATH) -I$(PSIBINPATH) -I$(FFTW3PATH)
LD            = g++
LDFLAGS       = -O
SOFLAGS       = -shared
LEMLIB        = libTLemRunHeader.so
SHLIB         = libPMusr.so
endif

# -- Windows/Cygwin
ifeq ($(OS),WIN32GCC)
CXX           = g++
CXXFLAGS      = -O3 -Wall -Wno-trigraphs -D_DLL
PMUSRPATH     = ../include
MNPATH        = $(ROOTSYS)/include
GSLPATH       = /usr/include/gsl
BOOSTPATH     = /usr/include
FFTW3PATH     = /usr/include
LEMPATH       = ../external/TLemRunHeader
PSIBINPATH    = ../external/MuSR_software/Class_MuSR_PSI
INCLUDES      = -I$(PMUSRPATH) -I$(MNPATH) -I$(GSLPATH) -I$(BOOSTPATH) -I$(LEMPATH) -I$(PSIBINPATH) -I$(FFTW3PATH)
LD            = g++
LDFLAGS       = -O -Wl,--enable-auto-import -Wl,--enable-runtime-pseudo-reloc
SOFLAGS       = -shared -Wl,--export-all-symbols
LEMLIB        = libTLemRunHeader.dll
SHLIB         = libPMusr.dll
endif

# -- MacOSX/Darwin
ifeq ($(OS),DARWIN)
CXX           = g++
CXXFLAGS      = -O3 -Wall -Wno-trigraphs -fPIC
PMUSRPATH     = ../include
MNPATH        = $(ROOTSYS)/include
FINKPATH      = /sw/include
GSLPATH       = $(FINKPATH)/gsl
BOOSTPATH     = $(FINKPATH)
FFTW3PATH     = $(FINKPATH)
LEMPATH       = ../external/TLemRunHeader
PSIBINPATH    = ../external/MuSR_software/Class_MuSR_PSI
INCLUDES      = -I$(PMUSRPATH) -I$(MNPATH) -I$(GSLPATH) -I$(BOOSTPATH) -I$(LEMPATH) -I$(PSIBINPATH) -I$(FFTW3PATH)
LD            = g++
LDFLAGS       = -O -Xlinker -bind_at_load
SOFLAGS       = -dynamiclib -flat_namespace -undefined suppress -Wl,-x
LEMLIB        = libTLemRunHeader.dylib
SHLIB         = libPMusr.dylib
endif

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

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

# LEM run header
PSILIB        = -L. -lTLemRunHeader
# Minuit2 lib
MNLIB         = -L$(ROOTSYS)/lib -lMinuit2
# GSL lib
GSLLIB        = -lgslcblas -lgsl
# FFTW lib
FFTW3LIB      = -lfftw3

ifeq ($(OS),WIN32GCC)
# Minuit2 lib
MNLIB         = -L$(ROOTSYS)/lib -lMinuit2 -lMathMore
# GSL lib
GSLLIB        = -L/usr/lib -lgslcblas -lgsl
# FFTW lib
FFTW3LIB      = -L/usr/lib -lfftw3
endif

ifeq ($(OS),DARWIN)
# Minuit2 lib
MNLIB         = -L$(ROOTSYS)/lib -lMinuit2 -lMathMore
# GSL lib
GSLLIB        = -L/sw/lib -lgslcblas -lgsl
# FFTW lib
FFTW3LIB      = -L/sw/lib -lfftw3
endif

# 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
OBJS += PUserFcnBase.o PUserFcnBaseDict.o
OBJS += PFourier.o
OBJS += PMusrT0.o PMusrT0Dict.o

LEMOBJS  =
LEMOBJS += TLemStats.o TLemStatsDict.o
LEMOBJS += TLemRunHeader.o TLemRunHeaderDict.o

EXTOBJS  =
EXTOBJS += MuSR_td_PSI_bin.o

# make the shared libs:

all:  lemlib musrlib

lemlib:   $(LEMLIB)

musrlib:  $(SHLIB)

$(LEMLIB): $(LEMOBJS)
	@echo "---> Building shared library $(LEMLIB) ..."
	/bin/rm -f $(LEMLIB)
	$(LD) $(SOFLAGS) $(LDFLAGS) $(LEMOBJS) -o $(LEMLIB) $(LIBS)
	@echo "done"

$(SHLIB): $(OBJS) $(EXTOBJS)
	@echo "---> Building shared library $(SHLIB) ..."
	/bin/rm -f $(SHLIB)
	$(LD) $(SOFLAGS) $(LDFLAGS) $(OBJS) $(EXTOBJS) -o $(SHLIB) $(FFTW3LIB) $(GLIBS) $(PSILIB) $(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) $(EXTOBJS) $(LEMOBJS) *Dict* core*
	@echo "---> removing $(OBJS) $(EXTOBJS) $(LEMOBJS)"

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

$(LEMOBJS): ../external/TLemRunHeader/TLemRunHeader.cxx TLemRunHeaderDict.cxx ../external/TLemRunHeader/TLemStats.cxx TLemStatsDict.cxx
	$(CXX) $(INCLUDES) $(CXXFLAGS) -c $^	

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

TLemRunHeaderDict.cxx: ../external/TLemRunHeader/TLemRunHeader.h ../external/TLemRunHeader/TLemRunHeaderLinkDef.h
	@echo "Generating dictionary $@..."
	rootcint -f $@ -c -p $^

TLemStatsDict.cxx: ../external/TLemRunHeader/TLemStats.h ../external/TLemRunHeader/TLemStatsLinkDef.h
	@echo "Generating dictionary $@..."
	rootcint -f $@ -c -p $^

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

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

PMusrT0Dict.cpp: ../include/PMusrT0.h ../include/PMusrT0LinkDef.h
	@echo "Generating dictionary $@..."
	rootcint -v -f $@ -c -p $^

PUserFcnBaseDict.cpp: ../include/PUserFcnBase.h ../include/PUserFcnBaseLinkDef.h
	@echo "Generating dictionary $@..."
	rootcint -v -f $@ -c -p $^

install: leminstall musrinstall

leminstall: lemlib
	@echo "Installing shared lib: $(LEMLIB) ( you must be root ;-) )"
ifeq ($(OS),LINUX)
	cp -pv $(LEMLIB) $(ROOTSYS)/lib
	cp -pv $(LEMPATH)/*.h $(ROOTSYS)/include
endif
ifeq ($(OS),WIN32GCC)
	cp -pv $(LEMLIB) $(ROOTSYS)/bin
	ln -sf $(ROOTSYS)/bin/$(LEMLIB) $(ROOTSYS)/lib/$(LEMLIB)
	cp -pv $(LEMPATH)/*.h $(ROOTSYS)/include
endif
ifeq ($(OS),DARWIN)
	cp -pv $(LEMLIB) $(ROOTSYS)/lib
	cp -pv $(LEMPATH)/*.h $(ROOTSYS)/include
endif

musrinstall: musrlib
	@echo "Installing shared lib: $(SHLIB) ( you must be root ;-) )"
ifeq ($(OS),LINUX)
	cp -pv $(SHLIB) $(ROOTSYS)/lib
	cp -pv $(PMUSRPATH)/*.h $(ROOTSYS)/include
endif
ifeq ($(OS),WIN32GCC)
	cp -pv $(SHLIB) $(ROOTSYS)/bin
	ln -sf $(ROOTSYS)/bin/$(SHLIB) $(ROOTSYS)/lib/$(SHLIB)
	cp -pv $(PMUSRPATH)/*.h $(ROOTSYS)/include
endif
ifeq ($(OS),DARWIN)
	cp -pv $(SHLIB) $(ROOTSYS)/lib
	cp -pv $(PMUSRPATH)/*.h $(ROOTSYS)/include
endif

cleaninstall: clean install