#!/usr/bin/make -f

include /usr/share/dpkg/default.mk

COMMON_FLAGS := BLAS=-lblas MY_METIS_LIB=-lmetis
PIC_FLAGS := $(COMMON_FLAGS) OPTIMIZATION=-fPIC
NOPIC_FLAGS := $(COMMON_FLAGS) OPTIMIZATION=

STATIC_LIBS := CAMD/Lib/libcamd.a BTF/Lib/libbtf.a CHOLMOD/Lib/libcholmod.a AMD/Lib/libamd.a RBio/Lib/librbio.a LDL/Lib/libldl.a SuiteSparse_config/libsuitesparseconfig.a KLU/Lib/libklu.a SPQR/Lib/libspqr.a UMFPACK/Lib/libumfpack.a COLAMD/Lib/libcolamd.a CXSparse/Lib/libcxsparse.a CCOLAMD/Lib/libccolamd.a

PDF_DOCS := AMD/Doc/AMD_UserGuide.pdf CAMD/Doc/CAMD_UserGuide.pdf CHOLMOD/Doc/CHOLMOD_UserGuide.pdf GraphBLAS/Doc/GraphBLAS_UserGuide.pdf KLU/Doc/KLU_UserGuide.pdf UMFPACK/Doc/UMFPACK_QuickStart.pdf UMFPACK/Doc/UMFPACK_UserGuide.pdf LDL/Doc/ldl_userguide.pdf SPQR/Doc/spqr_user_guide.pdf

# For building GraphBLAS
ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
NUMJOBS := $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
else
NUMJOBS := 1
endif

%:
	dh $@

override_dh_auto_configure:
	mkdir -p GraphBLAS/build
	cd GraphBLAS/build && cmake -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_C_FLAGS_RELEASE="$(CFLAGS) $(CPPFLAGS)" -DCMAKE_CXX_FLAGS_RELEASE="$(CXXFLAGS) $(CPPFLAGS)" ..

# LD_LIBRARY_PATH needed to make tests work (since buildflags.patch removes the -rpath)
override_dh_auto_build:
	# Docs must be rebuilt first, because the build system expect them for some libs
	rm -f $(PDF_DOCS)
	make docs
	make -C GraphBLAS/Doc

	# Build static libraries
	dh_auto_build -- static $(NOPIC_FLAGS)
	mkdir static_lib && cp $(STATIC_LIBS) static_lib/
	make purge

	# Build dynamic libraries
	LD_LIBRARY_PATH=$$(pwd)/lib dh_auto_build -- $(PIC_FLAGS)

	# Build GraphBLAS (only the dynamic library)
	make -C GraphBLAS/build -j$(NUMJOBS)

override_dh_auto_install:
	make install $(PIC_FLAGS) INSTALL=$$(pwd)/debian/tmp/usr INSTALL_LIB=$$(pwd)/debian/tmp/usr/lib/${DEB_HOST_MULTIARCH}/ INSTALL_INCLUDE=$$(pwd)/debian/tmp/usr/include/suitesparse INSTALL_DOC=$$(pwd)/debian/tmp/usr/share/doc/suitesparse
	cp static_lib/* $$(pwd)/debian/tmp/usr/lib/${DEB_HOST_MULTIARCH}/

	make -C GraphBLAS/build install DESTDIR=$$(pwd)/debian/tmp

override_dh_auto_clean:
	make purge
	rm -rf static_lib
	rm -rf GraphBLAS/build/
	rm -f $(PDF_DOCS)
	make -C GraphBLAS/Doc clean

override_dh_makeshlibs:
	dh_makeshlibs -V

override_dh_compress:
	dh_compress -X.pdf

get-orig-source:
	uscan --force-download --rename --destdir .
.PHONY: get-orig-source
