#!/usr/bin/make -f

# extract library major version from source build system
libver0 := $(shell egrep '^LIBDJVU_VER_COMPAT=[0-9]+$$' configure \
		   | head -1 \
		   | sed 's/LIBDJVU_VER_COMPAT=//')

# extract library major version expected by debian packaging
libver := $(shell egrep '^Package: libdjvulibre[0-9]+$$' debian/control \
		  | head -1 \
		  | sed 's/Package: libdjvulibre//')

ifneq ($(libver0),$(libver))
	error inconsistent debian/control library major version
endif

testlibver:
	@echo library major version: upstream $(libver0), debian $(libver) $(libver1) $(libver2)

build clean install binary-arch binary-indep binary:
	dh $@ --with autotools_dev --parallel

configure_options += --disable-djview
configure_options += --disable-desktopfiles
configure_options += --enable-static
configure_options += --enable-shared
ifneq (,$(findstring debug,$(DEB_BUILD_OPTIONS)))
configure_options += --enable-debug
else ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
# consider modifying the autoconf scripts to accept a --disable-optimization flag
configure_options += --enable-debug
endif

override_dh_auto_configure:
	dh_auto_configure -- $(configure_options)

DEB_HOST_GNU_TYPE   ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)

override_dh_auto_make:
	$(MAKE) -k depend	# otherwise a missing Makefile.dep blows up
# deliciously monstrous libtool workaround by Cthulhu via H.P.Lovecraft@ubuntu.com,
# http://patches.ubuntu.com/d/djvulibre/djvulibre_3.5.22-1ubuntu1.patch
ifeq ($(DEB_HOST_GNU_TYPE),arm-linux-gnueabi)
	sed -i.orig '/^LIBS/s/-lm/-lm -lsupc++ -lgcc/' libdjvu/Makefile
	touch -r libdjvu/Makefile.orig libdjvu/Makefile
endif
	dh_auto_make

override_dh_auto_install:
	dh_auto_install
	mkdir --parents debian/tmp/usr/lib/cgi-bin
	cp --preserve=mode,timestamps debian/djvuserve.sh \
		debian/tmp/usr/lib/cgi-bin/djvuserve
	@echo "install djvu icon and mime types"
	for n in 22 32 48 64 ; do \
	  d="debian/tmp/usr/share/icons/hicolor/$${n}x$${n}/mimetypes"; \
	  mkdir --parents $${d}; \
	  install --mode=644 desktopfiles/hi$${n}-djvu.png \
	    $${d}/image-vnd.djvu.png; \
	  ln -sf image-vnd.djvu.png \
	    $${d}/djvu.png; \
	done
	mkdir --parents debian/tmp/usr/share/icons/hicolor/scalable/mimetypes
	install --mode=644 desktopfiles/hi-djvu.svgz \
	  debian/tmp/usr/share/icons/hicolor/scalable/mimetypes/image-vnd.djvu.svgz
	ln -sf image-vnd.djvu.svgz \
	  debian/tmp/usr/share/icons/hicolor/scalable/mimetypes/djvu.svgz
	mkdir --parents debian/tmp/usr/share/mimelnk/image
	install --mode=644 desktopfiles/vnd.djvu.desktop \
	  debian/tmp/usr/share/mimelnk/image/

override_dh_install:
	dh_install
	@echo remove from djvulibre-bin, already in djvuserve
	find debian/djvulibre-bin -name djvuserve\* -print -delete
# 	@echo "remove from djvulibre-bin, not in Debian: needs gsdjvu, direct complaints to AT&T"
# 	find debian/djvulibre-bin -name djvudigital\* -print -delete

override_dh_compress:
	dh_compress --exclude=.djvu

override_dh_strip:
	dh_strip --dbg-package=djvulibre-dbg

override_dh_makeshlibs:
	dh_makeshlibs --version-info --exclude=/plugins

.PHONY: build clean install binary-arch binary-indep binary
.PHONY: testlibver