cuda=@HAVECUDA@
matlab=@HAVEMATLAB@
python=@HAVEPYTHON@
boostutf=@HAVEBOOSTUTF@


MATLAB_ROOT=@MATLAB_ROOT@

TARGETS=libastra.la

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

ifeq ($(python),yes)
TARGETS+=py
endif

all: $(TARGETS)

prefix=@prefix@
exec_prefix=@exec_prefix@

srcdir=@srcdir@
abs_top_builddir=@abs_top_builddir@

VPATH=@VPATH_SRCDIR@/../..

CPPFLAGS=@SAVED_CPPFLAGS@
CXXFLAGS=@SAVED_CXXFLAGS@
NVCCFLAGS=@SAVED_NVCCFLAGS@
LDFLAGS=@SAVED_LDFLAGS@
LIBS=@SAVED_LIBS@

CXXFLAGS+=-g -O3 -Wall -Wshadow
LIBS+=-lpthread
LDFLAGS+=-g

CPPFLAGS+=@CPPFLAGS_OS@

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

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

ifeq ($(python),yes)
PYTHON      = @PYTHON@
PYLIBDIR = $(shell $(PYTHON) -c 'from distutils.sysconfig import get_config_var; import six; six.print_(get_config_var("LIBDIR"))')
PYINCDIR = $(shell $(PYTHON) -c 'from distutils.sysconfig import get_python_inc; import six; six.print_(get_python_inc())')
PYLIBVER = `basename $(PYINCDIR)`
CPPFLAGS += -DASTRA_PYTHON -I$(PYINCDIR)
PYCPPFLAGS  := $(CPPFLAGS)
PYCPPFLAGS  += -I../include
PYLDFLAGS = $(LDFLAGS)
PYLDFLAGS   += -L$(abs_top_builddir)/.libs
endif

# This is below where PYCPPFLAGS copies CPPFLAGS.  The python code is built
# from a different directory, so these relative includes would be wrong.
CPPFLAGS+=-I$(srcdir)/../.. -I$(srcdir)/../../include -I$(srcdir)/../../lib/include

BOOST_CPPFLAGS=
BOOST_LDFLAGS=

BOOSTUTF_LIBS=@LIBS_BOOSTUTF@


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


MKDIR=mkdir -p
CXX=@CXX@
LD=@CXX@
SHELL=@SHELL@
INSTALL_SH=$(SHELL) $(srcdir)/install-sh

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

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

ifeq ($(python),yes)
MEXPYLDFLAGS='$$LDFLAGS $(LDFLAGS) -L$(PYLIBDIR)'
MEXPYLIBS=$(MEXLIBS) -l$(PYLIBVER)
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/CompositeGeometryManager.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/GeometryUtil3D.lo \
	src/Globals.lo \
	src/Logging.lo \
	src/ParallelBeamBlobKernelProjector2D.lo \
	src/ParallelBeamLinearKernelProjector2D.lo \
	src/ParallelBeamLineKernelProjector2D.lo \
	src/ParallelBeamStripKernelProjector2D.lo \
	src/ParallelProjectionGeometry2D.lo \
	src/ParallelVecProjectionGeometry2D.lo \
	src/ParallelProjectionGeometry3D.lo \
	src/ParallelVecProjectionGeometry3D.lo \
	src/PlatformDepSystemCode.lo \
	src/PluginAlgorithm.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 \
	cuda/3d/mem3d.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/mexCopyDataHelpFunctions.o \
	matlab/mex/mexInitFunctions.o \
	matlab/mex/mexDataManagerHelpFunctions.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_log_c.$(MEXSUFFIX) \
	matlab/mex/astra_mex_data3d_c.$(MEXSUFFIX) \
	matlab/mex/astra_mex_direct_c.$(MEXSUFFIX)

ifeq ($(python),yes)
MATLAB_MEX+=matlab/mex/astra_mex_plugin_c.$(MEXSUFFIX)
endif

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)

ifeq ($(python),yes)
matlab/mex/astra_mex_plugin_c.$(MEXSUFFIX): matlab/mex/astra_mex_plugin_c.o $(MATLAB_CXX_OBJECTS) libastra.la
	$(MEX) LDFLAGS=$(MEXPYLDFLAGS) $(MEXFLAGS) $(LIBS) $(MEXPYLIBS) -lastra -output matlab/mex/astra_mex_plugin_c $< $(MATLAB_CXX_OBJECTS)
endif
endif

ifeq ($(python),yes)
py: libastra.la
	$(MKDIR) python/build
	$(MKDIR) python/finalbuild
	# Note: setting CC to CXX is intentional. Python uses CC for compilation even if input is C++.
	cd $(srcdir)/../../python; CXX="${CXX}" CC="${CXX}" CPPFLAGS="${PYCPPFLAGS}" LDFLAGS="${PYLDFLAGS}" $(PYTHON) builder.py build --build-base=$(abs_top_builddir)/python/build install \
	--install-base=$(abs_top_builddir)/python/finalbuild --install-headers=$(abs_top_builddir)/python/finalbuild --install-purelib=$(abs_top_builddir)/python/finalbuild \
	--install-platlib=$(abs_top_builddir)/python/finalbuild --install-scripts=$(abs_top_builddir)/python/finalbuild --install-data=$(abs_top_builddir)/python/finalbuild

python-root-install: libastra.la
	$(MKDIR) python/build
	# Note: setting CC to CXX is intentional. Python uses CC for compilation even if input is C++.
	cd $(srcdir)/../../python; CXX="${CXX}" CC="${CXX}" CPPFLAGS="${PYCPPFLAGS}" LDFLAGS="${PYLDFLAGS}" $(PYTHON) builder.py build --build-base=$(abs_top_builddir)/python/build install

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

gen_static_libs := `./libtool --features | grep -q 'disable static' && echo no || echo yes`

ifeq ($(cuda),yes)
%.lo: %.cu
	@# Behave like libtool: compile both a PIC and a non-PIC object file
	@$(MKDIR) $(*D)
	@$(MKDIR) $(*D)/.libs
	@$(MKDIR) $(*D)/$(DEPDIR)
	$(NVCC) $(NVCCFLAGS) -c $(<) -Xcompiler -fPIC -DPIC -o $(*D)/.libs/$(*F).o
ifeq ($(gen_static_libs),yes)
	@$(NVCC) $(NVCCFLAGS) -c $(<) -o $*.o >/dev/null 2>&1
endif
	@# Generate a .d file, and change the target name in it from .o to .lo
	@$(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 empty targets for all dependencies listed in the .d file.
	@# This mimics gcc's -MP option.
	@for x in `cat $(*D)/$(DEPDIR)/$(*F).d`; do if test a$$x != a: -a a$$x != a\\; then echo -e "\n$$x:\n" >> $(*D)/$(DEPDIR)/$(*F).d; fi; done
	@# 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." >> $*.lo
ifeq ($(gen_static_libs),yes)
	@echo "non_pic_object='$(*F).o'" >> $*.lo
else
	@echo "non_pic_object=none" >> $*.lo
endif
	@# Remove generated .linkinfo file
	@rm -f $(*F).linkinfo
endif

ifeq ($(boostutf),yes)
test.bin: $(ALL_OBJECTS) $(TEST_OBJECTS)
	./libtool --mode=link $(LD) -o $@ $(LDFLAGS) $+ $(LIBS) $(BOOSTUTF_LIBS)

test: test.bin
	./test.bin
else
test:
	@echo "Tests have been disabled by configure"
endif

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
	rm -fr python/finalbuild/
	rm -fr python/build/
	rm -f $(srcdir)/../../python/astra/*.cpp
	rm -f $(srcdir)/../../python/astra/*.c

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

install: install-libraries install-matlab install-python

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 $(srcdir)/../../matlab/tools/*.m @prefix@/matlab/tools
# TODO: docs
else
install-matlab:
endif

ifeq ($(python),yes)
# TODO: This install location doesn't work well for /usr or /usr/local
install-python: py
	$(INSTALL_SH) -m 755 -d @prefix@/python
	$(INSTALL_SH) -m 755 -d @prefix@/python/astra
	$(INSTALL_SH) -m 644 python/finalbuild/astra/*.so @prefix@/python/astra
	$(INSTALL_SH) -m 644 python/finalbuild/astra/*.py @prefix@/python/astra
	$(INSTALL_SH) -m 644 python/finalbuild/*.egg-info @prefix@/python/
	@echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
	@echo "To use ASTRA in Python, add @prefix@/python/ to your PYTHONPATH"
	@echo "and @libdir@ to your LD_LIBRARY_PATH."
	@echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
# TODO: docs
else
install-python:
endif


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

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

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

.PHONY: all mex test clean distclean install install-libraries py python-root-install install-python

# don't remove intermediate files:
.SECONDARY:

# disable all implicit built-in rules
.SUFFIXES: