#!/usr/bin/make -f
#
# Copyright (C) 2008 Francesco Paolo Lovergine <frankie@debian.org>
# Released under GPL. See /usr/share/common-licenses/GPL for
# more information about the license.
#

# Enable hardening build flags
export DEB_BUILD_MAINT_OPTIONS=hardening=+all

include /usr/share/dpkg/pkg-info.mk

UPSTREAM_VERSION = $(shell echo $(DEB_VERSION_UPSTREAM) | sed -e 's/\+.*//')

DEB_BUILD_ARCH ?= $(shell dpkg-architecture -qDEB_BUILD_ARCH)

RELEASE := 4.2.15
PACKAGE := libhdf4
SOVER   := 0

DESTDIR     := $(CURDIR)/debian/tmp
DESTDIR_ALT := $(CURDIR)/debian/tmp-alt

F77  := gfortran
CC   := gcc
CXX  := g++
LIBS := -ljpeg -lz -lm

export DEB_FFLAGS_MAINT_APPEND += -fallow-argument-mismatch

CFLAGS  = $(shell DEB_BUILD_MAINT_OPTIONS=hardening=+all dpkg-buildflags --get CFLAGS)
CFLAGS += $(shell DEB_BUILD_MAINT_OPTIONS=hardening=+all dpkg-buildflags --get CPPFLAGS)
LDFLAGS = $(shell DEB_BUILD_MAINT_OPTIONS=hardening=+all dpkg-buildflags --get LDFLAGS)

ifneq (,$(findstring verbose,$(DEB_BUILD_OPTIONS)))
   DH_VERBOSE=1
   export DH_VERBOSE
endif

ifneq (,$(filter $(DEB_BUILD_ARCH),s390x sparc64))
   DISABLE_TESTS=1
else
   DISABLE_TESTS=0
endif

TEMPLATES=$(wildcard debian/*.in)

templates:
	for TEMPLATE in $(TEMPLATES) ; do \
		sed -e 's/@PACKAGE@/$(PACKAGE)/g' \
		    -e 's/@SOVER@/$(SOVER)/g' \
		    -e 's/@RELEASE@/$(RELEASE)/g' \
			$$TEMPLATE > `echo $$TEMPLATE | sed 's/.in$$//'` ; \
	done

%:
	dh $@

override_dh_clean:
	$(RM) -r HDF$(RELEASE) HDF4 HDF4_ALT $(DESTDIR_ALT)
	dh_clean

override_dh_auto_clean:
	if [ -e HDF4 ]; then \
		dh_auto_clean --sourcedirectory=HDF4 \
		              --builddirectory=debian/build-hdf4 ; \
	fi

	if [ -e HDF4_ALT ]; then \
		dh_auto_clean --sourcedirectory=HDF4_ALT \
		              --builddirectory=debian/build-hdf4-alt ; \
	fi

override_dh_autoreconf:
	mkdir HDF$(RELEASE)
	bash debian/copysources.sh $(RELEASE)
	patch <debian/rename_hdf_hdfalt -p1

	dh_autoreconf

override_dh_auto_configure: templates
	rm -rf HDF4 && ln -sf HDF$(RELEASE) HDF4

	# configure the 'regular' netcdf-clashing flavor.
	dh_auto_configure --sourcedirectory=HDF4 \
	                  --builddirectory=debian/build-hdf4 \
	                  -- --prefix=/usr \
	                     --includedir=/usr/include/hdf \
	                     --libdir=/usr/lib \
	                     --enable-shared \
	                     --enable-fortran \
	                     --with-szlib=yes \
	                     F77="$(F77)" CC="$(CC)" CXX="$(CXX)" \
	                     CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)"

	# configure the netcdf compatible flavor, without fortran functions.
	dh_auto_configure --sourcedirectory=HDF4_ALT \
	                  --builddirectory=debian/build-hdf4-alt \
	                  -- --prefix=/usr \
	                     --includedir=/usr/include/hdf \
	                     --libdir=/usr/lib \
	                     --enable-shared \
	                     --disable-fortran \
	                     --disable-netcdf \
	                     --with-szlib=yes \
	                     CC="$(CC)" CXX="$(CXX)" \
	                     CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)"

override_dh_auto_build:
	TESTS_ENVIRONMENT="LD_LIBRARY_PATH=$(CURDIR)/HDF4/hdf/src:$(CURDIR)/HDF4/mfhdf/libsrc:/usr/lib" \
		dh_auto_build --sourcedirectory=HDF4 \
		              --builddirectory=debian/build-hdf4 \
		              -- F77="$(F77)" CC="$(CC)" CXX="$(CXX)" \
		                 CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" \
		                 LIBS="$(LIBS)"

	TESTS_ENVIRONMENT="LD_LIBRARY_PATH=$(CURDIR)/HDF4_ALT/hdf/src:$(CURDIR)/HDF4_ALT/mfhdf/libsrc:/usr/lib" \
		dh_auto_build --sourcedirectory=HDF4_ALT \
		              --builddirectory=debian/build-hdf4-alt \
		              -- CC="$(CC)" CXX="$(CXX)" \
		                 CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" \
		                 LIBS="$(LIBS)"

override_dh_auto_test:
	if [ "$(DISABLE_TESTS)" = 0 ]; then \
		dh_auto_test --sourcedirectory=HDF4 \
		             --builddirectory=debian/build-hdf4 \
		             --no-parallel \
		             -- F77="$(F77)" CC="$(CC)" CXX="$(CXX)" \
		                CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" \
		                LIBS="$(LIBS)" ; \
	fi

	if [ "$(DISABLE_TESTS)" = 0 ]; then \
		dh_auto_test --sourcedirectory=HDF4_ALT \
		             --builddirectory=debian/build-hdf4-alt \
		             --no-parallel \
		             -- CC="$(CC)" CXX="$(CXX)" \
		                CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" \
		                LIBS="$(LIBS)" ; \
	fi

override_dh_auto_install:
	dh_auto_install --sourcedirectory=HDF4 \
	                --builddirectory=debian/build-hdf4 \
	                --destdir=$(DESTDIR)

	dh_auto_install --sourcedirectory=HDF4_ALT \
	                --builddirectory=debian/build-hdf4-alt \
	                --destdir=$(DESTDIR_ALT)

	install -d -o root -g root $(DESTDIR)/usr/share/doc/$(PACKAGE)

	mkdir -p $(DESTDIR)/usr/share/man/man3
	sed -e "s/^\.TH HDF 1/\.TH HDF 3/" $(DESTDIR)/usr/share/man/man1/hdf.1 > $(DESTDIR)/usr/share/man/man3/hdf.3
	rm -f $(DESTDIR)/usr/share/man/man1/hdf.1 $(DESTDIR_ALT)/usr/share/man/man1/hdf.1
	
	mv $(DESTDIR_ALT)/usr/lib $(DESTDIR)/usr/lib-alt
	mv $(DESTDIR_ALT)/usr/include $(DESTDIR)/usr/include-alt

	# Move examples to -doc package
	mkdir -p $(DESTDIR)/usr/share/doc/$(PACKAGE)-doc
	mv $(DESTDIR)/usr/share/hdf4_examples $(DESTDIR)/usr/share/doc/$(PACKAGE)-doc/examples
	
	# strip rpath into binaries and libraries	
	for obj in $(DESTDIR)/usr/bin/* $(DESTDIR)/usr/lib/*.so.* $(DESTDIR)/usr/lib-alt/*.so.*; do \
		chrpath -d $${obj} || true; \
	done

	# Empty out the dependency field in our .la files
	for file in $(DESTDIR)/usr/lib/*.la $(DESTDIR)/usr/lib-alt/*.la; do \
		sed -i -e "/dependency_libs/ s/'.*'/''/" $$file ; \
	done

	# rename programs also provided by netcdf-bin
	mv $(DESTDIR)/usr/bin/ncdump $(DESTDIR)/usr/bin/ncdump-hdf
	mv $(DESTDIR)/usr/bin/ncgen $(DESTDIR)/usr/bin/ncgen-hdf

	# rename manuals also provided by netcdf-bin
	mv $(DESTDIR)/usr/share/man/man1/ncdump.1 $(DESTDIR)/usr/share/man/man1/ncdump-hdf.1
	sed -i -e 's/ncdump/ncdump-hdf/g' $(DESTDIR)/usr/share/man/man1/ncdump-hdf.1

	mv $(DESTDIR)/usr/share/man/man1/ncgen.1 $(DESTDIR)/usr/share/man/man1/ncgen-hdf.1
	sed -i -e 's/ncgen/ncgen-hdf/g' $(DESTDIR)/usr/share/man/man1/ncgen-hdf.1

override_dh_install:
	dh_install --list-missing --sourcedir=$(DESTDIR)

override_dh_installman:
	dh_installman
	$(RM) $(CURDIR)/debian/hdf4-tools/usr/share/man/man1/hdf.1

override_dh_makeshlibs:
	dh_makeshlibs -- -v$(UPSTREAM_VERSION)

override_dh_shlibdeps:
	dh_shlibdeps -l$(DESTDIR)/usr/lib:$(DESTDIR)/usr/lib-alt