#####
# Makefile for libpyrap
#
# ASSUMPTION:
#    CASA+CASACORE build environment
#    numpy is installed (installing CASA is fine since it contains numpy)
#    boost is installed 
#
#####
EXTDIR := $(shell pwd)
PYRAPROOT := $(EXTDIR)/pyrap-0.3.2/ 
PYRAPDIR := $(EXTDIR)/pyrap-0.3.2/pyrap/Converters
TESTDIR := $(PYRAPDIR)/test

# the casa environment AIPSPATH has to be defined
CASAROOT := $(word 1, $(CASAPATH))
CASAARCH := $(word 2, $(CASAPATH))

ifeq ($(shell uname), Darwin)
   TARGET := libpyrap.dylib
   TESTMOD := $(TESTDIR)/_tConvert.so
else
   TARGET := libpyrap.so
   TESTMOD := $(TESTDIR)/_tConvert.so
endif
INSTDIR := $(CASAROOT)/$(CASAARCH)/lib

# CASACORE 
COREINCD := $(shell $(shell make -s -f $(CASAROOT)/$(CASAARCH)/makedefs VARS=COREINCD eval_vars) && echo $$COREINCD)
CORELIBD := $(CASAROOT)/$(CASAARCH)/lib
CORELIB := $(shell $(shell make -s -f $(CASAROOT)/$(CASAARCH)/makedefs VARS=CORELIB eval_vars) && echo $$CORELIB)

# boost 
BOOSTROOT := $(shell $(shell make -s -f $(CASAROOT)/$(CASAARCH)/makedefs VARS=BOOSTROOT eval_vars) && echo $$BOOSTROOT)
BOOSTINCD := $(BOOSTROOT)/include
BOOSTLIBD := $(BOOSTROOT)/lib
BOOSTLIB := -L$(BOOSTLIBD) -lboost_python

# python
PYTHONROOT := $(shell $(shell make -s -f $(CASAROOT)/$(CASAARCH)/makedefs VARS=PYTHONROOT eval_vars) && echo $$PYTHONROOT)
PYTHONINCD := $(shell $(shell make -s -f $(CASAROOT)/$(CASAARCH)/makedefs VARS=PYTHONINCD eval_vars) && echo $$PYTHONINCD)
PYTHONLIBD := $(shell $(shell make -s -f $(CASAROOT)/$(CASAARCH)/makedefs VARS=PYTHONLIBD eval_vars) && echo $$PYTHONLIBD)
PYTHONLIB := $(shell $(shell make -s -f $(CASAROOT)/$(CASAARCH)/makedefs VARS=PYTHONLIB eval_vars) && echo $$PYTHONLIB)

# numpy (use numpy in CASA)
#NUMPYROOT := $(PYTHONLIBD)/python2.5/site-packages/numpy
#NUMPYINCD := $(NUMPYROOT)/core/include

# the compiler
ifndef CXX
   CXX      := g++
endif

# the linker
LD := $(CXX)

# compiler flags
#CXXFLAGS := -fPIC -O3 -g
#CXXFLAGS += -ansi -Wno-long-long -Wall
CXXFLAGS := $(shell $(shell make -s -f $(CASAROOT)/$(CASAARCH)/makedefs VARS=CXXFLAGS eval_vars) && echo $$CXXFLAGS)
CXXFLAGS += -fPIC -O3
CXXOPTS := $(shell $(shell make -s -f $(CASAROOT)/$(CASAARCH)/makedefs VARS=COPTFLAGS eval_vars) && echo $$COPTFLAGS)
CXXOPTS += -DAIPS_USENUMPY

# links to external libraries
LIBS := $(CORELIB) $(BOOSTLIB) $(PYTHONLIB)

# include directories
INCDIRS := -I$(COREINCD) -I$(BOOSTINCD) \
           -I$(PYRAPROOT) $(addprefix -I, $(PYTHONINCD))

# link option
LDFLAGS := $(shell $(shell make -s -f $(CASAROOT)/$(CASAARCH)/makedefs VARS=LD_FLAGS eval_vars) && echo $$LD_FLAGS)
LDFLAGS += -shared 
ifeq ($(shell uname), Darwin)
   LDFLAGS += -headerpad_max_install_names -install_name $(CASAROOT)/$(CASAARCH)/lib/$(TARGET)
endif

OBJECTS := $(PYRAPDIR)/PycArray.o \
           $(PYRAPDIR)/PycArrayNP.o \
           $(PYRAPDIR)/PycBasicData.o \
           $(PYRAPDIR)/PycExcp.o \
           $(PYRAPDIR)/PycRecord.o \
           $(PYRAPDIR)/PycValueHolder.o #\
#           $(PYRAPDIR)/PycArrayNA.o

HEADERS := $(PYRAPDIR)/PycArrayComCC.h \
	   $(PYRAPDIR)/PycArrayComH.h \
	   $(PYRAPDIR)/PycArray.h \
	   $(PYRAPDIR)/PycArrayNP.h \
	   $(PYRAPDIR)/PycBasicData.h \
	   $(PYRAPDIR)/PycExcp.h \
	   $(PYRAPDIR)/PycRecord.h \
	   $(PYRAPDIR)/PycValueHolder.h #\
#	   $(PYRAPDIR)/PycArrayNA.h

TESTSRC := $(TESTDIR)/tConvert.cc
TESTOBJ := $(TESTDIR)/tConvert.o

all: $(TARGET)

.cc.o:
	$(CXX) $(CXXOPTS) -c $(CXXFLAGS) $(INCDIRS) -o $@ $<

$(TARGET): $(OBJECTS)
	$(LD) $(LDFLAGS) -o $(TARGET) $(OBJECTS) $(LIBS)

$(OBJECTS): $(HEADERS)

clean:
	rm -f $(OBJECTS) $(TARGET)
	rm -f $(TESTDIR)/$(TESTMOD) $(TESTDIR)/$(TESTOBJ)
	rm -f $(INSTDIR)/$(TARGET)

install:
	cp -f $(TARGET) $(INSTDIR)

test:
	$(CXX) $(CXXOPTS) -c $(CXXFLAGS) $(INCDIRS) -o $(TESTOBJ) $(TESTSRC)
	$(LD) $(LDFLAGS) -o $(TESTMOD) $(TESTOBJ) $(LIBS) -L$(EXTDIR) -lpyrap