cuda=@HAVECUDA@
matlab=@HAVEMATLAB@

MATLAB_ROOT=@MATLAB_ROOT@

TARGETS=libastra.la

ifeq ($(matlab),yes)
TARGETS+=mex
endif

all: $(TARGETS)

prefix=@prefix@
exec_prefix=@exec_prefix@

VPATH=../..

CPPFLAGS=@SAVED_CPPFLAGS@
CXXFLAGS=@SAVED_CXXFLAGS@
LDFLAGS=@SAVED_LDFLAGS@

CPPFLAGS+=-I../.. -I../../include -I../../lib/include/rapidxml
CXXFLAGS+=-g -O3 -Wall -Wshadow
LIBS=-lpthread -lrt
LDFLAGS+=-g

ifeq ($(cuda),yes)
CPPFLAGS  += @CPPFLAGS_CUDA@ -DASTRA_CUDA
NVCCFLAGS  = @NVCCFLAGS@ @CPPFLAGS_CUDA@ -I../.. -I../../include -DASTRA_CUDA
LDFLAGS   += @LDFLAGS_CUDA@
LIBS      += -lcudart -lcufft
NVCC       = @NVCC@
endif

ifeq ($(matlab),yes)
CPPFLAGS+=-I$(MATLAB_ROOT)/extern/include -DMATLAB_MEX_FILE
endif

BOOST_CPPFLAGS=
BOOST_LDFLAGS=


CPPFLAGS+=$(BOOST_CPPFLAGS)
LDFLAGS+=$(BOOST_LDFLAGS)


MKDIR=mkdir -p
CXX=@CXX@
LD=@CXX@
SHELL=@SHELL@

ifeq ($(matlab),yes)
MEXFLAGS  = -cxx 
MEXLDFLAGS='$$LDFLAGS $(LDFLAGS)'
MEXLIBS   = -L.libs -lut
MEXSUFFIX = @MEXSUFFIX@
MEX       = @MEX@

ifeq ($(cuda),yes)
MEXFLAGS += -DASTRA_CUDA
endif

endif

LIBDIR=/usr/local/lib

DEPDIR=.deps

BASE_OBJECTS=\
	src/Algorithm.lo \
	src/AsyncAlgorithm.lo \
	src/ReconstructionAlgorithm2D.lo \
	src/ReconstructionAlgorithm3D.lo \
	src/ArtAlgorithm.lo \
	src/AstraObjectFactory.lo \
	src/AstraObjectManager.lo \
	src/BackProjectionAlgorithm.lo \
	src/CglsAlgorithm.lo \
	src/ConeProjectionGeometry3D.lo \
	src/ConeVecProjectionGeometry3D.lo \
	src/Config.lo \
	src/DataProjector.lo \
	src/DataProjectorPolicies.lo \
	src/FanFlatBeamLineKernelProjector2D.lo \
	src/FanFlatBeamStripKernelProjector2D.lo \
	src/FanFlatProjectionGeometry2D.lo \
	src/FanFlatVecProjectionGeometry2D.lo \
	src/FilteredBackProjectionAlgorithm.lo \
	src/Float32Data2D.lo \
	src/Float32Data3D.lo \
	src/Float32Data3DMemory.lo \
	src/Float32Data.lo \
	src/Float32ProjectionData2D.lo \
	src/Float32ProjectionData3D.lo \
	src/Float32ProjectionData3DMemory.lo \
	src/Float32VolumeData2D.lo \
	src/Float32VolumeData3D.lo \
	src/Float32VolumeData3DMemory.lo \
	src/ForwardProjectionAlgorithm.lo \
	src/Fourier.lo \
	src/Globals.lo \
	src/Logger.lo \
	src/ParallelBeamBlobKernelProjector2D.lo \
	src/ParallelBeamLinearKernelProjector2D.lo \
	src/ParallelBeamLineKernelProjector2D.lo \
	src/ParallelBeamStripKernelProjector2D.lo \
	src/ParallelProjectionGeometry2D.lo \
	src/ParallelProjectionGeometry3D.lo \
	src/ParallelVecProjectionGeometry3D.lo \
	src/PlatformDepSystemCode.lo \
	src/ProjectionGeometry2D.lo \
	src/ProjectionGeometry3D.lo \
	src/Projector2D.lo \
	src/Projector3D.lo \
	src/SartAlgorithm.lo \
	src/SirtAlgorithm.lo \
	src/SparseMatrixProjectionGeometry2D.lo \
	src/SparseMatrixProjector2D.lo \
	src/SparseMatrix.lo \
	src/Utilities.lo \
	src/VolumeGeometry2D.lo \
	src/VolumeGeometry3D.lo \
	src/XMLDocument.lo \
	src/XMLNode.lo \
	src/swrap.lo

CUDA_CXX_OBJECTS=\
	src/CudaProjector2D.lo \
	src/CudaProjector3D.lo \
	src/CudaReconstructionAlgorithm2D.lo \
	src/CudaBackProjectionAlgorithm.lo \
	src/CudaDartMaskAlgorithm.lo \
	src/CudaDartMaskAlgorithm3D.lo \
	src/CudaDataOperationAlgorithm.lo \
	src/CudaRoiSelectAlgorithm.lo \
	src/CudaDartSmoothingAlgorithm.lo \
	src/CudaDartSmoothingAlgorithm3D.lo \
	src/CudaFilteredBackProjectionAlgorithm.lo \
	src/CudaForwardProjectionAlgorithm.lo \
	src/CudaSartAlgorithm.lo \
	src/CudaSirtAlgorithm.lo \
	src/CudaCglsAlgorithm.lo \
	src/CudaCglsAlgorithm3D.lo \
	src/CudaEMAlgorithm.lo \
	src/CudaFDKAlgorithm3D.lo \
	src/CudaSirtAlgorithm3D.lo \
	src/CudaBackProjectionAlgorithm3D.lo \
	src/CudaForwardProjectionAlgorithm3D.lo

CUDA_OBJECTS=\
	cuda/2d/algo.lo \
	cuda/2d/par_fp.lo \
	cuda/2d/par_bp.lo \
	cuda/2d/fan_fp.lo \
	cuda/2d/fan_bp.lo \
	cuda/2d/sirt.lo \
	cuda/2d/sart.lo \
	cuda/2d/cgls.lo \
	cuda/2d/em.lo \
	cuda/2d/astra.lo \
	cuda/2d/util.lo \
	cuda/2d/arith.lo \
	cuda/2d/fft.lo \
	cuda/2d/darthelper.lo \
	cuda/3d/darthelper3d.lo \
	cuda/3d/algo3d.lo \
	cuda/3d/cgls3d.lo \
	cuda/3d/cone_fp.lo \
	cuda/3d/cone_bp.lo \
	cuda/3d/fdk.lo \
	cuda/3d/par3d_fp.lo \
	cuda/3d/par3d_bp.lo \
	cuda/3d/sirt3d.lo \
	cuda/3d/astra3d.lo \
	cuda/3d/util3d.lo \
	cuda/3d/arith3d.lo

ALL_OBJECTS=$(BASE_OBJECTS)
ifeq ($(cuda),yes)
ALL_OBJECTS+=$(CUDA_CXX_OBJECTS) $(CUDA_OBJECTS)
endif

TEST_OBJECTS=\
	tests/main.o \
	tests/test_AstraObjectManager.o \
	tests/test_ParallelBeamLineKernelProjector2D.o \
	tests/test_ParallelBeamLinearKernelProjector2D.o \
	tests/test_Float32Data2D.o \
	tests/test_VolumeGeometry2D.o \
	tests/test_ParallelProjectionGeometry2D.o \
	tests/test_FanFlatProjectionGeometry2D.o \
	tests/test_Float32VolumeData2D.o \
	tests/test_Float32ProjectionData2D.o \
	tests/test_Fourier.o \
	tests/test_XMLDocument.o

MATLAB_CXX_OBJECTS=\
	matlab/mex/mexHelpFunctions.o

MATLAB_MEX=\
	matlab/mex/astra_mex_algorithm_c.$(MEXSUFFIX) \
	matlab/mex/astra_mex_data2d_c.$(MEXSUFFIX) \
	matlab/mex/astra_mex_c.$(MEXSUFFIX) \
	matlab/mex/astra_mex_matrix_c.$(MEXSUFFIX) \
	matlab/mex/astra_mex_projector_c.$(MEXSUFFIX) \
	matlab/mex/astra_mex_projector3d_c.$(MEXSUFFIX) \
	matlab/mex/astra_mex_data3d_c.$(MEXSUFFIX)


OBJECT_DIRS = src/ tests/ cuda/2d/ cuda/3d/ matlab/mex/ ./
DEPDIRS = $(addsuffix $(DEPDIR),$(OBJECT_DIRS))
-include $(wildcard $(addsuffix /*.d,$(DEPDIRS)))
LIBDIRS = $(addsuffix .libs,./ src/ cuda/2d/ cuda/3d/)


ifeq ($(matlab),yes)
mex: $(MATLAB_MEX)

%.$(MEXSUFFIX): %.o $(MATLAB_CXX_OBJECTS) libastra.la
	$(MEX) LDFLAGS=$(MEXLDFLAGS) $(MEXFLAGS) $(LIBS) $(MEXLIBS) -lastra -output $* $*.o $(MATLAB_CXX_OBJECTS)
endif

libastra.la: $(ALL_OBJECTS)
	./libtool --mode=link --tag=CXX $(LD) -rpath $(LIBDIR) -o $@ $(LDFLAGS) $(LIBS) $+

%.o: %.cpp
	$(MKDIR) $(*D)/$(DEPDIR)
	$(CXX) -Wp,-MMD,"$(*D)/$(DEPDIR)/$(*F).d",-MQ,"$@",-MP $(CXXFLAGS) -fPIC -DPIC $(CPPFLAGS) -c $(<) -o $*.o

%.lo: %.cpp
	$(MKDIR) $(*D)/$(DEPDIR)
	./libtool --mode=compile --tag=CXX $(CXX) -Wp,-MMD,"$(*D)/$(DEPDIR)/$(*F).d",-MQ,"$@",-MP $(CXXFLAGS) $(CPPFLAGS) -c $(<) -o $*.o

ifeq ($(cuda),yes)
%.lo: %.cu
	@# Behave like libtool: compile both a PIC and a non-PIC object file
	@$(MKDIR) $(*D)
	$(NVCC) $(NVCCFLAGS) -c $(<) -o $*.o
	@$(MKDIR) $(*D)/.libs
	@$(MKDIR) $(*D)/$(DEPDIR)
	@$(NVCC) $(NVCCFLAGS) -c $(<) -Xcompiler -fPIC -DPIC -o $(*D)/.libs/$(*F).o >/dev/null 2>&1
	@# Generate a .d file, and change the target name in it from .o to .lo
	@$(NVCC) $(NVCCFLAGS) -M $(<) -odir $(*D) -o $(*D)/$(DEPDIR)/$(*F).d2
	@sed '1s/\.o :/.lo :/' < $(*D)/$(DEPDIR)/$(*F).d2 > $(*D)/$(DEPDIR)/$(*F).d
	@rm -f $(*D)/$(DEPDIR)/$(*F).d2
	@# Generate a fake libtool .lo file
	@echo "# $*.lo - a libtool object file" > $*.lo
	@echo "# Generated by" `./libtool --version | head -n 1` >> $*.lo
	@echo "#" >> $*.lo
	@echo "# Please DO NOT delete this file!" >> $*.lo
	@echo "# It is necessary for linking the library." >> $*.lo
	@echo >> $*.lo
	@echo "# Name of the PIC object." >> $*.lo
	@echo "pic_object='.libs/$(*F).o'" >> $*.lo
	@echo >> $*.lo
	@echo "# Name of the non-PIC object." >> $*.lo
	@echo "non_pic_object='$(*F).o'" >> $*.lo
	@# Remove generated .linkinfo file
	@rm -f $(*F).linkinfo
endif

test.bin: $(ALL_OBJECTS) $(TEST_OBJECTS)
	./libtool --mode=link $(LD) -o $@ $(LDFLAGS) $(LIBS) $+ -lboost_unit_test_framework

test: test.bin
	./test.bin

clean:
	rm -f $(MATLAB_MEX) libastra.la
	rm -f $(addsuffix /*.lo,$(OBJECT_DIRS))
	rm -f $(addsuffix /*.o,$(OBJECT_DIRS))
	rm -f $(addsuffix /*.d,$(DEPDIRS))
	rm -f $(addsuffix /*,$(LIBDIRS))
	rm -f $(TEST_OBJECTS) test.bin

distclean: clean
	rm -f config.guess config.sub ltmain.sh libtool install-sh
	rm -f config.log config.status
	rm -f aclocal.m4
	rm -rf autom4te.cache
	rm -f configure Makefile

install: install-libraries install-matlab

install-libraries: libastra.la
	./install-sh -m 755 -d @libdir@
	./libtool --mode=install ./install-sh -m 644 libastra.la @libdir@
	./libtool --mode=finish @libdir@

ifeq ($(matlab),yes)
# TODO: This install location doesn't work well for /usr or /usr/local
install-matlab: $(MATLAB_MEX)
	./install-sh -m 755 -d @prefix@/matlab
	./install-sh -m 755 -d @prefix@/matlab/mex
	./install-sh -m 755 -d @prefix@/matlab/tools
	./install-sh -m 644 $(MATLAB_MEX) @prefix@/matlab/mex
	./install-sh -m 644 ../../matlab/tools/*.m @prefix@/matlab/tools
# TODO: docs
else
install-matlab:
endif


Makefile: Makefile.in config.status
	CONFIG_HEADERS= CONFIG_LINKS= CONFIG_FILES=$@ $(SHELL) ./config.status

config.status: configure
	@echo "configure script has changed. Re-running it with last parameters"
	$(SHELL) ./config.status --recheck

configure: configure.ac
	@echo "configure.ac has been changed. Regenerating configure script"
	$(SHELL) ./autogen.sh

.PHONY: all mex test clean distclean install install-libraries

# don't remove intermediate files:
.SECONDARY: