#!/usr/bin/make -f

include /usr/share/dpkg/default.mk

# NB: We do not build GraphBLAS, because it is provided by src:suitesparse-graphblas
# (see do-not-build-graphblas.patch)

# Flags for traditional Makefiles (all libs except Mongoose)
COMMON_FLAGS := BLAS=-lblas LAPACK=-llapack MY_METIS_LIB=-lmetis
PIC_FLAGS := $(COMMON_FLAGS) OPTIMIZATION=-fPIC
NOPIC_FLAGS := $(COMMON_FLAGS) OPTIMIZATION=

# Flags for cmake (only Mongoose)
export CMAKE_OPTIONS := -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_C_FLAGS_RELEASE="$(CFLAGS) $(CPPFLAGS)" -DCMAKE_CXX_FLAGS_RELEASE="$(CXXFLAGS) $(CPPFLAGS)" -DCMAKE_SKIP_RPATH=TRUE -DCMAKE_BUILD_TYPE=Release

# All static libs (except Mongoose static which is handled by cmake)
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 SLIP_LU/Lib/libsliplu.a

PDF_DOCS := AMD/Doc/AMD_UserGuide.pdf CAMD/Doc/CAMD_UserGuide.pdf CHOLMOD/Doc/CHOLMOD_UserGuide.pdf KLU/Doc/KLU_UserGuide.pdf Mongoose/Doc/Mongoose_UserGuide.pdf UMFPACK/Doc/UMFPACK_QuickStart.pdf UMFPACK/Doc/UMFPACK_UserGuide.pdf LDL/Doc/ldl_userguide.pdf SPQR/Doc/spqr_user_guide.pdf SLIP_LU/Doc/SLIP_LU_UserGuide.pdf

ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
JOBS := $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
else
JOBS := 1
endif


%:
	dh $@

# 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

	# Build static libraries (except Mongoose, see mongoose-build.patch)
	make static $(NOPIC_FLAGS) JOBS=$(JOBS)
	mkdir static_lib && cp $(STATIC_LIBS) static_lib/
	make purge

	# Build dynamic libraries (and Mongoose static)
	LD_LIBRARY_PATH=$$(pwd)/lib make $(PIC_FLAGS) JOBS=$(JOBS)

override_dh_auto_install:
	# DESTDIR is used by cmake (for Mongoose), the INSTALL* vars are used by other libs
	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 DESTDIR=$$(pwd)/debian/tmp
	# Install static libraries (except Mongoose)
	cp static_lib/* debian/tmp/usr/lib/${DEB_HOST_MULTIARCH}/

override_dh_auto_clean:
	make purge
	rm -rf static_lib
	rm -f $(PDF_DOCS)

override_dh_compress:
	dh_compress -X.pdf