#!/usr/bin/make -f
# -*- mode: makefile; coding: utf-8 -*-
# Copyright © 2004-2009, Masayuki Hatta (mhatta) <mhatta@debian.org>
# Copyright © 2009-2011, Jonas Smedegaard <dr@jones.dk>
# Description: Main Debian packaging script for GPL Ghostscript
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2, or (at
# your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# This needs to run before cdbs auto-update
debian/control:: debian/control.in
DEB_PHONY_RULES += debian/control.in
debian/control.in::
	sed $(SEDRULE_CONTENT) <debian/control.in.in >debian/control.in

DEB_AUTO_UPDATE_AUTOCONF = 2.67
include /usr/share/cdbs/1/rules/upstream-tarball.mk
include /usr/share/cdbs/1/class/autotools.mk
include /usr/share/cdbs/1/rules/debhelper.mk
include /usr/share/cdbs/1/rules/utils.mk

# ABI by default follows upstream version (without repackaging suffix)
# TODO: revert to split at ~ (not a) with next regular release
abi = $(firstword $(subst a,$(space),$(DEB_UPSTREAM_VERSION)))
major = $(firstword $(subst .,$(space),$(DEB_UPSTREAM_VERSION)))
libname = libgs
libpkgname = $(libname)$(major)
datapkgname = $(libname)$(major)-common

DEB_UPSTREAM_URL = http://downloads.ghostscript.com/public
DEB_UPSTREAM_TARBALL_MD5 = 153ddb0622cb155d2f600146f1e28d84

# convenience libraries cluttering authorship/licensing tracking
#  * jpeg would enable old non-standard option (see bug#582521)
#  * jpegxr would enable patented controversial JPEG XR format
DEB_UPSTREAM_REPACKAGE_EXCLUDES += \
 ./cups/libs/ \
 ./expat/ \
 ./freetype/ \
 ./icclib/ \
 ./ijs/ \
 ./jasper/ \
 ./jbig2dec/ \
 ./jpeg/ \
 ./jpegxr/ \
 ./lcms/ \
 ./lcms2/ \
 ./libpng/ \
 ./openjpeg/ \
 ./tiff/ \
 ./zlib/

# extract metadata from ICC, PDF, and fonts before copyright check
CDBS_BUILD_DEPENDS +=, libregexp-assemble-perl, libimage-exiftool-perl
CDBS_BUILD_DEPENDS +=, libfont-ttf-perl
local_inspection_regex = icc|pdf|ttf
local_inspection_exif_dir = Resource/Font/
DEB_COPYRIGHT_CHECK_IGNORE_REGEX = ^((.*/)?[^/]+\.($(local_inspection_regex))|$(local_inspection_exif_dir).*|debian/(changelog|copyright(|_hints|_newhints)))$$
debian/stamp-copyright-check: debian/stamp-extract-copyright
debian/stamp-extract-copyright:
	find * -type f -regextype posix-extended \
		-regex '.*\.($(local_inspection_regex))' \
		-print0 | perl -0 debian/license-miner
	find $(local_inspection_exif_dir) -type f \
		-printf 'exif:%p\0' | perl -0 debian/license-miner
	touch $@
pre-build:: clean-extracted-copyright-during-build
clean-extracted-copyright-during-build: debian/stamp-copyright-check
	find -type f -name '*.metadata_dump' -delete
clean::
	find -type f -name '*.metadata_dump' -delete
	rm -f debian/stamp-extract-copyright

# put aside upstream-shipped temp files during build but after copyright-check
upstreamtmpfiles = configure
pre-build:: debian/stamp-upstreamtmpstuff
debian/stamp-upstreamtmpstuff: debian/stamp-copyright-check
	for file in $(upstreamtmpfiles); do \
		[ ! -e $$file ] || [ -e $$file.upstream ] || cp -a $$file $$file.upstream; \
	done
	touch $@
clean::
	for file in $(upstreamtmpfiles); do \
		[ ! -e $$file.upstream ] || mv -f $$file.upstream $$file; \
	done
	rm -f debian/stamp-upstreamtmpstuff

# TODO: enable when supporting system-shared libjpeg
# http://bugs.ghostscript.com/show_bug.cgi?id=696654
DEB_CONFIGURE_EXTRA_FLAGS += --without-pcl

# workaround for autotools-resolved paths ignored in base/unix-auth.mak
export DEB_HOST_MULTIARCH

gs_opts += SHARE_JPEG=1
dev-deps += jpeg

gs_opts += SHARE_LIBPNG=1
dev-deps += png

gs_opts += SHARE_LIBTIFF=1
DEB_CONFIGURE_EXTRA_FLAGS += --with-system-libtiff
dev-deps += tiff

gs_opts += SHARE_ZLIB=1
dev-deps += z

gs_opts += SHARE_JBIG2=1
DEB_CONFIGURE_EXTRA_FLAGS += --with-jbig2dec
dev-deps += jbig2dec

gs_opts += SHARE_IJS=1
DEB_CONFIGURE_EXTRA_FLAGS += --with-ijs
dev-deps += ijs

gs_opts += SHARE_EXPAT=1
dev-deps += expat

DEB_CONFIGURE_EXTRA_FLAGS += --with-x --disable-gtk
dev-deps += xt xext x11 ice sm

DEB_CONFIGURE_EXTRA_FLAGS += --enable-dynamic
DEB_CONFIGURE_EXTRA_FLAGS += --disable-compile-inits

# TODO: enable when working again (failed since 9.07 and maybe 9.06)
#DEB_CONFIGURE_EXTRA_FLAGS += --with-omni
DEB_CONFIGURE_EXTRA_FLAGS += --with-drivers=ALL

gs_opts += WHICH_CMS=lcms2 SHARE_LCMS=1 LCMS2DIR=/usr
dev-deps += lcms2

# openjpeg requires patching for ICC and CMYK support
gs_opts += SHARE_JPX=1
CDBS_BUILD_DEPENDS +=, libopenjpeg-dev (>= 1.5)

gs_opts += SHARE_FT=1
DEB_CONFIGURE_EXTRA_FLAGS += --enable-freetype
DEB_CONFIGURE_EXTRA_FLAGS += --with-fontpath=/var/lib/ghostscript/fonts:/usr/share/cups/fonts:/usr/share/ghostscript/fonts:/usr/local/lib/ghostscript/fonts:/usr/share/fonts
dev-deps += freetype6
dev-deps += fontconfig1

# avoid building CUPS driver when bootstrapping an architecture
ifeq (,$(findstring stage1,$(DEB_BUILD_PROFILES)))
gs_opts += SHARE_LCUPS=1 SHARE_LCUPSI=1
DEB_CONFIGURE_EXTRA_FLAGS += --enable-cups
endif
dev-deps += cups2 cupsimage2

DEB_MAKE_BUILD_TARGET = so $(gs_opts)
DEB_MAKE_INSTALL_TARGET = soinstall DESTDIR=$(DEB_DESTDIR) $(gs_opts)

DEB_DH_MAKESHLIBS_ARGS_ghostscript-x = -n

SEDRULE_CONTENT = 's/__ABI__/$(abi)/g;s/__VER__/$(major)/g'

# avoid checking symbols file when bootstrapping an architecture
ifneq (,$(findstring stage1,$(DEB_BUILD_PROFILES)))
DEB_DH_MAKESHLIBS_ARGS = -- -c0
endif

pre-build:: debian/control.in.in
	echo "sed $(SEDRULE_CONTENT) <$< | diff -u debian/control.in -"
	@sed $(SEDRULE_CONTENT) <$< | diff -u debian/control.in - || ( \
		echo; \
		echo "Upstream version has changed (or debian/control.in.in is out of sync)"; \
		echo "Edit debian/control manually, or use the following command:"; \
		echo "  DEB_AUTO_UPDATE_DEBIAN_CONTROL=yes fakeroot debian/rules clean"; \
		exit 1)

# Generate (and cleanup) files containing variables static per build
infiles = $(filter-out debian/control.in debian/control.in.in, $(wildcard debian/*.in))
outfiles = $(subst $(libname)__VER__,$(libpkgname),$(basename $(infiles)))
pre-build:: $(outfiles)
$(outfiles): update-config debian/stamp-copyright-check
	sed $(SEDRULE_CONTENT) <$(subst $(libpkgname),$(libname)__VER__,$@).in >$@
clean::
	rm -f $(outfiles)

pre-build clean:: fail-source-not-repackaged

clean::
	[ ! -f Makefile ] || $(MAKE) soclean
	[ ! -f Makefile ] || $(MAKE) distclean
# These are somehow left...
	rm -rf sobin soobj

# Remove some of the scripts
install/ghostscript::
	rm -f $(DEB_DESTDIR)/usr/bin/unix-lpr.sh $(DEB_DESTDIR)/usr/bin/lprsetup.sh $(DEB_DESTDIR)/usr/bin/pv.sh $(DEB_DESTDIR)/usr/bin/fixmswrd.pl

# Do not include the Ghostscript loader executable with GTK support
install/ghostscript::
	rm -f $(DEB_DESTDIR)/usr/bin/gsx

# Rename /usr/bin/gsc, to not conflict with gambc
install/ghostscript::
	mv $(DEB_DESTDIR)/usr/bin/gsc $(DEB_DESTDIR)/usr/bin/gs
	mkdir -p $(DEB_DESTDIR)/usr/sbin/
	install -m 755 debian/update-gsfontmap $(DEB_DESTDIR)/usr/sbin

# Move ICC profiles to shared dir, to allow reuse by others.
install/$(datapkgname)::
	mkdir -p $(DEB_DESTDIR)/usr/share/color/icc
	mv $(DEB_DESTDIR)/usr/share/ghostscript/$(abi)/iccprofiles \
		$(DEB_DESTDIR)/usr/share/color/icc/ghostscript

# Strip CMap files (separately packaged in poppler-data)
install/$(datapkgname)::
	rm -rf $(DEB_DESTDIR)/usr/share/ghostscript/$(abi)/Resource/CMap

# Recommend fonts-droid (not ship DroidSansFallback.ttf)
CDBS_RECOMMENDS_$(datapkgname) +=, fonts-droid
install/$(datapkgname)::
	rm -f $(DEB_DESTDIR)/usr/share/ghostscript/$(abi)/Resource/CIDFSubst/DroidSansFallback.ttf

# Let d-shlibs calculate development package dependencies
#  and handle shared library install
# * recent d-shlibs needed to handle unversioned -dev package and
#   suppress library dependency here declared indirectly using CDBS
CDBS_BUILD_DEPENDS +=, d-shlibs (>= 0.45~)
binary-post-install/$(libpkgname):: debian/stamp-local-shlibs-$(libname)
debian/stamp-local-shlibs-$(libname): binary-install/$(libpkgname)
	d-shlibmove --commit \
		--override s/liblcms2-2-dev/liblcms2-dev/ \
		--override s/ld1-dev// \
		--devunversioned --ignorelibdep \
		--exclude-a \
		--movedev "debian/tmp/usr/include/*" usr/include/ \
		debian/tmp/usr/lib/$(libname).so
clean::
	rm -f debian/stamp-local-shlibs-$(libname)

binary-post-install/$(datapkgname)::
	file='debian/$(datapkgname)/usr/share/ghostscript/$(abi)/Resource/Init/cidfmap'; \
	  ! egrep -v '^(%([^%].*)?)?$$' "$$file" && rm "$$file" || ( \
		echo; \
		echo 'ERROR: cidfmap not virtually empty as expected,'; \
		echo '       so some alternative to just dropping that file is required.'; \
		echo '       More info at bug#531182.'; \
		exit 1 )

# Needed at build time
dev-deps += paper idn11
CDBS_BUILD_DEPENDS +=, $(patsubst %,$(comma) lib%-dev,$(dev-deps))
CDBS_BUILD_DEPENDS +=, freeglut3-dev | libglut-dev, pkg-config

# Needed (always, often, sometimes) at runtime
# TODO: drop gs-cjk-resource after Wheezy+1 (obsoleted before Wheezy)
CDBS_DEPENDS_ghostscript +=, gsfonts, debconf | debconf-2.0
CDBS_DEPENDS_ghostscript +=, $(libpkgname) (= $(DEB_VERSION))
CDBS_DEPENDS_ghostscript-x +=, ghostscript (= $(DEB_VERSION))
CDBS_DEPENDS_$(libpkgname) +=, poppler-data (>= 0.4.5-3~) | gs-cjk-resource
CDBS_DEPENDS_libgs-dev +=, $(libpkgname) (= $(DEB_VERSION))
CDBS_SUGGESTS_ghostscript +=, ghostscript-x
CDBS_SUGGESTS_ghostscript-doc +=, ghostscript

# Public virtual packages
CDBS_PROVIDES_ghostscript +=, postscript-viewer
