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

DEB_HOST_ARCH_OS   ?= $(shell dpkg-architecture -qDEB_HOST_ARCH_OS)
DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)

LIBDIR = usr/lib/$(DEB_HOST_MULTIARCH)
LIBEXECDIR = $(LIBDIR)/schroot

ifneq ($(DEB_HOST_ARCH_OS),linux)
	LVMSNAP_OPTIONS = --disable-lvm-snapshot
	BTRFSSNAP_OPTIONS = --disable-btrfs-snapshot
else
	LVMSNAP_OPTIONS = --enable-lvm-snapshot
	BTRFSSNAP_OPTIONS = --enable-btrfs-snapshot
endif

CFLAGS = -Wall -g

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

DH_OPTIONS = --with autotools_dev --builddirectory=debian/build --parallel

ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
  NUMJOBS = $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
  MAKEFLAGS += -j$(NUMJOBS)
endif

DH_INSTALL_FILES = $(basename $(wildcard debian/*.install.in))

# Use debhelper's dh
%:
	dh $@ $(DH_OPTIONS)

%.install: %.install.in
	sed -e 's;@LIBDIR@;$(LIBDIR);g' -e 's;@LIBEXECDIR@;$(LIBEXECDIR);g' <$< >$@

override_dh_auto_configure: debian/build/config.status

debian/build/gtest/libgtest.a:
	mkdir -p $(dir $@)
	cd $(dir $@) ; \
	  CXX="g++ -std=c++11" cmake /usr/src/gtest ; \
	  make VERBOSE=1

debian/build/config.status: configure debian/build/gtest/libgtest.a
	dh_auto_configure -- \
	  --enable-dchroot --enable-dchroot-dsa \
	  --with-bash-completion-dir=/etc/bash_completion.d \
	  $(LVMSNAP_OPTIONS) $(BTRFSSNAP_OPTIONS) \
	  BTRFS=/sbin/btrfs \
	  LVCREATE=/sbin/lvcreate \
	  LVREMOVE=/sbin/lvremove \
	  CXX='g++ -std=gnu++11' \
	  GTEST_ROOT="$(CURDIR)/debian/build/gtest"
	dh_testdir

override_dh_auto_clean:
	dh_auto_clean
	rm -f $(DH_INSTALL_FILES)
	rm -rf debian/build
	rm -rf debian/install

override_dh_auto_build:
ifneq (,$(shell dh_listpackages -a 2>/dev/null))
	$(MAKE) -C debian/build all V=1 PO4A=
endif
ifneq (,$(shell dh_listpackages -i 2>/dev/null))
	$(MAKE) -C debian/build doc V=1 PO4A=
endif

override_dh_auto_test:

install-arch: build-arch $(DH_INSTALL_FILES)
	dh $@ $(DH_OPTIONS)
# Setuid executables
	chmod 4755 $(CURDIR)/debian/dchroot/usr/bin/dchroot
	chmod 4755 $(CURDIR)/debian/dchroot-dsa/usr/bin/dchroot-dsa
	chmod 4755 $(CURDIR)/debian/schroot/usr/bin/schroot
# Lintian overrides
	mkdir -p $(CURDIR)/debian/dchroot/usr/share/lintian/overrides
	cp $(CURDIR)/debian/dchroot.lintian-overrides $(CURDIR)/debian/dchroot/usr/share/lintian/overrides/dchroot
	mkdir -p $(CURDIR)/debian/dchroot-dsa/usr/share/lintian/overrides
	cp $(CURDIR)/debian/dchroot-dsa.lintian-overrides $(CURDIR)/debian/dchroot-dsa/usr/share/lintian/overrides/dchroot-dsa
	mkdir -p $(CURDIR)/debian/schroot/usr/share/lintian/overrides
	cp $(CURDIR)/debian/schroot.lintian-overrides $(CURDIR)/debian/schroot/usr/share/lintian/overrides/schroot
# Documentation symlinks
	rm -rf $(CURDIR)/debian/dchroot/usr/share/doc/dchroot
	ln -sf schroot $(CURDIR)/debian/dchroot/usr/share/doc/dchroot
	rm -rf $(CURDIR)/debian/dchroot-dsa/usr/share/doc/dchroot-dsa
	ln -sf schroot $(CURDIR)/debian/dchroot-dsa/usr/share/doc/dchroot-dsa
# Requires fakeroot, so tests need running here.
	dh_auto_test

install-indep: build-indep $(DH_INSTALL_FILES)
	dh $@ $(DH_OPTIONS)
# Remove cruft
	find $(CURDIR)/debian/libsbuild-doc/usr/share/doc/libsbuild-doc -name '*.map' -print0 | xargs -0 rm -f
	find $(CURDIR)/debian/libsbuild-doc/usr/share/doc/libsbuild-doc -name '*.md5' -print0 | xargs -0 rm -f

install: build $(DH_INSTALL_FILES)
	dh $@ $(DH_OPTIONS)

override_dh_auto_install:
ifneq (,$(shell dh_listpackages -a 2>/dev/null))
	$(MAKE) -C debian/build install DESTDIR=$(CURDIR)/debian/install PO4A=
endif
ifneq (,$(shell dh_listpackages -i 2>/dev/null))
	$(MAKE) -C debian/build/po install DESTDIR=$(CURDIR)/debian/install PO4A=
endif

override_dh_installchangelogs:
	dh_installchangelogs ChangeLog

override_dh_installinit:
	dh_installinit --no-start --update-rcd-params='defaults'

override_dh_strip:
	dh_strip --dbg-package=libsbuild-1.7.0-dbg

.PHONY: override_dh_auto_configure override_dh_auto_clean override_dh_auto_build override_dh_auto_test override_dh_auto_install override_dh_installchangelogs override_dh_installinit override_dh_strip install-arch install-indep