#!/usr/bin/make -f
# -*- makefile -*-

# Uncomment this to turn on verbose mode.
#export DH_VERBOSE=1

# Enable verbose builds to detect missing (hardening) flags.
#export verbose=1

# This has to be exported to make some magic below work.
export DH_OPTIONS
export DEB_BUILD_MAINT_OPTIONS = hardening=+all
include /usr/share/dpkg/buildflags.mk
include /usr/share/dpkg/architecture.mk
include /usr/share/dpkg/pkg-info.mk

BUILD_DATE  = $(shell LC_ALL=C date -u "+%B %d, %Y" -d "@$(SOURCE_DATE_EPOCH)")
SPHINXOPTS := -N -D html_last_updated_fmt="$(BUILD_DATE)"


# Set CC for crossbuild
export CC_FOR_BUILD ?= cc
export PKG_CONFIG ?= $(DEB_HOST_GNU_TYPE)-pkg-config

# The build system doesn't use CPPFLAGS, pass them to CFLAGS to enable the
# missing (hardening) flags.
CFLAGS += $(CPPFLAGS)
# ICC support needs patched thirdparty liblcms2-art
CFLAGS += -DFZ_ENABLE_ICC=0
CFLAGS += -fPIC
CFLAGS += -DNDEBUG

ifneq (,$(filter noopt,$(DEB_BUILD_OPTIONS)))
    CFLAGS += -O0
else
    CFLAGS += -O2
endif

BUILD_FLAGS = build=debug shared=yes OS=Linux XCFLAGS="$(CFLAGS)" XLDFLAGS="$(LDFLAGS)" prefix=/usr c++ python
BUILD_FLAGS += LINUX_OR_OPENBSD=yes
#BUILD_FLAGS = build=release OS=Linux XCFLAGS="$(CFLAGS)" XLDFLAGS="$(LDFLAGS)" prefix=/usr
# Force using system library
BUILD_FLAGS += USE_SYSTEM_MUJS=yes
BUILD_FLAGS += USE_SYSTEM_LIBS=yes
# Force using system lcms2 (was not included in default system library set)
BUILD_FLAGS += USE_SYSTEM_LCMS2=yes
BUILD_FLAGS += LD=$(DEB_HOST_GNU_TYPE)-ld

ifeq (,$(filter terse,$(DEB_BUILD_OPTIONS)))
	BUILD_FLAGS += verbose=yes
endif

ifeq ($(DEB_TARGET_ARCH),mips64el)
	BUILD_FLAGS += HAVE_OBJCOPY=no
endif

override_dh_auto_build:
	-sed -e s,@@DEB_HOST_MULTIARCH@@,${DEB_HOST_MULTIARCH}, debian/mupdf.pc.in > debian/mupdf.pc
	debian/replace-fonts.sh
	-mkdir source/pdf/cmaps
	sh scripts/runcmapdump.sh
	dh_auto_build -- $(BUILD_FLAGS) VENV_FLAG='' build=debug shared

override_dh_auto_install:
	dh_auto_install -- $(BUILD_FLAGS) VENV_FLAG='' build=debug shared
	install -m744 -T $(CURDIR)/debian/mupdf.sh $(CURDIR)/debian/tmp/usr/bin/mupdf
	sh debian/install_icons.sh
ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
	$(MAKE) -C $(CURDIR)/debian/tests test
endif

override_dh_gencontrol:
	dh_gencontrol -- -VBuilt-Using="$(shell dpkg-query -f '$${source:Package} (= $${source:Version}), ' -W fonts-droid-fallback fonts-noto-cjk fonts-noto-core fonts-sil-charis fonts-urw-base35 texlive-fonts-extra)"

override_dh_clean:
	dh_clean -Xresources/fonts/urw/input/NimbusBoxes.t1

override_dh_auto_clean:
	-rm -rf build
	-rm -rf generated
	-rm -rf source/pdf/cmaps
	-rm -f resources/fonts/sil/CharisSIL*.ttf
	-rm -rf platform/c++/*
	-rm -rf platform/python/*
	-rm -rf debian/mupdf.pc

override_dh_missing:
	dh_missing --list-missing -X COPYING

override_dh_installman:
	$(CURDIR)/debian/create_tools_manpages.sh docs/src/mupdf-command-line.rst
	#remove GLUC because rst2man fails to invalid target name
	sed -i 's/GLUT_ /GLUT/g' $(CURDIR)/output_files/mupdf-gl.rst

	#convert to manpage
	rst2man $(CURDIR)/output_files/mupdf-gl.rst $(CURDIR)/debian/tmp/usr/share/man/mupdf-gl.1
	rst2man $(CURDIR)/output_files/muraster.rst $(CURDIR)/debian/tmp/usr/share/man/muraster.1
	dh_installman


override_dh_sphinxdoc:
ifeq (,$(findstring nodoc, $(DEB_BUILD_OPTIONS)))
	PYTHONPATH=src python3 -m sphinx -b html $(SPHINXOPTS) docs/src/ $(CURDIR)/debian/mupdf/usr/share/doc/mupdf/
	dh_sphinxdoc
endif

override_dh_installdocs:
	rm -rf $(CURDIR)/debian/mupdf/usr/share/doc/mupdf/html/_sources
	rm -rf $(CURDIR)/debian/mupdf/usr/share/doc/mupdf/html/_static/[doctools.js,language_data.js,searchtools.js]
	rm -rf $(CURDIR)/debian/mupdf/usr/share/doc/mupdf/doctrees
	dh_installdocs

override_dh_makeshlibs:
	dh_makeshlibs -- -v$(DEB_VERSION_UPSTREAM) -plibmupdf$(DEB_VERSION_UPSTREAM)

%:
	dh $@ --with sphinxdoc