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#!/usr/bin/make -f

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

DEB_HOST_ARCH ?= $(shell dpkg-architecture -qDEB_HOST_ARCH)
DEB_HOST_GNU_CPU ?= $(shell dpkg-architecture -qDEB_HOST_GNU_CPU)
DEB_HOST_GNU_SYSTEM ?= $(shell dpkg-architecture -qDEB_HOST_GNU_SYSTEM)

VERSION = $(shell dpkg-parsechangelog | grep ^Version: | cut -d ' ' -f 2)

ifneq (,$(findstring debug,$(DEB_BUILD_OPTIONS)))
	CONFIG_DEBUG = true
endif
ifeq (,$(findstring nostrip,$(DEB_BUILD_OPTIONS)))
endif

PACKAGE_PREFIX = busybox-cvs

ARCH_FLOPPY_UDEB = $(shell sh debian/control-extract Architecture $(PACKAGE_PREFIX)-floppy-udeb)

PACKAGES_DEB = $(PACKAGE_PREFIX) $(PACKAGE_PREFIX)-static
PACKAGES_UDEB = $(PACKAGE_PREFIX)-udeb
ifneq ($(filter $(DEB_HOST_ARCH),$(ARCH_FLOPPY_UDEB)),)
PACKAGES_UDEB += $(PACKAGE_PREFIX)-floppy-udeb
endif
PACKAGES = $(PACKAGES_DEB) $(PACKAGES_UDEB)

DEBHELPER_PACKAGES_DEB = $(patsubst %,-p%,$(PACKAGES_DEB))
DEBHELPER_PACKAGES_UDEB = $(patsubst %,-p%,$(PACKAGES_UDEB))

CONFIG = $(firstword $(wildcard ./debian/config-$(1)-$(DEB_HOST_GNU_SYSTEM)-$(DEB_HOST_GNU_CPU) ./debian/config-$(1)-$(DEB_HOST_GNU_SYSTEM) ./debian/config-$(1)))
CONFIG_DEB = $(call CONFIG,deb)
CONFIG_STATIC = $(call CONFIG,static)
CONFIG_UDEB = $(call CONFIG,udeb)
CONFIG_FLOPPY_UDEB = $(call CONFIG,floppy-udeb)

configure: configure-stamp
configure-stamp:
	sh ./configure

	touch $@

build-arch: build-arch-deb-all build-arch-udeb-all
build-arch-deb-all: build-arch-deb build-arch-static build-arch-doc
build-arch-udeb-all: build-arch-udeb build-arch-floppy-udeb

build-arch-deb: build-arch-deb-stamp
build-arch-deb-stamp: configure-stamp
	$(MAKE) clean

	cp $(CONFIG_DEB) .config

	$(MAKE) dep
	$(MAKE) CONFIG_DEBUG=$(CONFIG_DEBUG)

	install -d install-$(PACKAGE_PREFIX)/bin
	install busybox install-$(PACKAGE_PREFIX)/bin/busybox

	touch $@

build-arch-static: build-arch-static-stamp
build-arch-static-stamp: configure-stamp
	$(MAKE) clean

	cp $(CONFIG_STATIC) .config

	$(MAKE) dep
	$(MAKE) CONFIG_DEBUG=$(CONFIG_DEBUG)

	install -d install-$(PACKAGE_PREFIX)-static/bin
	install busybox install-$(PACKAGE_PREFIX)-static/bin/busybox

	touch $@

build-arch-udeb: build-arch-udeb-stamp
build-arch-udeb-stamp: configure-stamp
	$(MAKE) clean

	cp $(CONFIG_UDEB) .config

	$(MAKE) dep
	$(MAKE) CONFIG_DEBUG=$(CONFIG_DEBUG)

	$(MAKE) PREFIX=$(CURDIR)/install-$(PACKAGE_PREFIX)-udeb install
	# Remove init link, but init support is still compiled in to be
	# used.
	rm -f $(CURDIR)/install-$(PACKAGE_PREFIX)-udeb/sbin/init

	touch $@

build-arch-floppy-udeb: build-arch-floppy-udeb-stamp
build-arch-floppy-udeb-stamp: configure-stamp
ifneq ($(filter $(DEB_HOST_ARCH),$(ARCH_FLOPPY_UDEB)),)
	$(MAKE) clean

	cp $(CONFIG_FLOPPY_UDEB) .config

	$(MAKE) dep
	$(MAKE) CONFIG_DEBUG=$(CONFIG_DEBUG)

	$(MAKE) PREFIX=$(CURDIR)/install-$(PACKAGE_PREFIX)-floppy-udeb install
endif

	touch $@

build-arch-doc: build-arch-doc-stamp
build-arch-doc-stamp: configure-stamp
	$(MAKE) docs/BusyBox.1

	cp docs/BusyBox.1 busybox.1

	touch $@

build: build-arch

clean:
	dh_testdir
	dh_testroot
	rm -f build-*-stamp configure-stamp debian/files~

	-$(MAKE) distclean
	-rm -rf busybox-deb busybox-static install* busybox.1

	dh_clean

install-deb: build-arch-deb-all
	dh_testdir
	dh_testroot
	dh_clean -k $(DEBHELPER_PACKAGES_DEB)
	dh_installdirs $(DEBHELPER_PACKAGES_DEB)

	for i in $(PACKAGES_DEB); do \
	( \
		cd install-$$i; \
		find -type d -exec install -d $(CURDIR)/debian/$$i/{} \;; \
		find \( -type f -o -type l \) -exec cp -a {} $(CURDIR)/debian/$$i/{} \;; \
	); \
	done

	install -m644 debian/$(PACKAGE_PREFIX)-static.override \
		debian/$(PACKAGE_PREFIX)-static/usr/share/lintian/overrides/$(PACKAGE_PREFIX)-static

install-udeb: build-arch-udeb-all
	dh_testdir
	dh_testroot
	dh_clean -k $(DEBHELPER_PACKAGES_UDEB)
	dh_installdirs $(DEBHELPER_PACKAGES_UDEB)

	for i in $(PACKAGES_UDEB); do \
	( \
		cd install-$$i; \
		find -type d -exec install -d $(CURDIR)/debian/$$i/{} \;; \
		find \( -type f -o -type l \) -exec cp -a {} $(CURDIR)/debian/$$i/{} \;; \
	); \
	done

binary-arch: binary-arch-deb binary-arch-udeb

# Build architecture-dependent files here.
binary-arch-deb: build-arch-deb-all install-deb
	dh_testdir
	dh_testroot
	dh_installdocs $(DEBHELPER_PACKAGES_DEB)
	dh_installman $(DEBHELPER_PACKAGES_DEB)
	dh_installchangelogs Changelog $(DEBHELPER_PACKAGES_DEB)
	dh_strip $(DEBHELPER_PACKAGES_DEB)
	dh_link $(DEBHELPER_PACKAGES_DEB)
	dh_compress $(DEBHELPER_PACKAGES_DEB)
	dh_fixperms $(DEBHELPER_PACKAGES_DEB)
	dh_installdeb $(DEBHELPER_PACKAGES_DEB)
	dh_shlibdeps $(DEBHELPER_PACKAGES_DEB)
	dh_gencontrol $(DEBHELPER_PACKAGES_DEB)
	dh_md5sums $(DEBHELPER_PACKAGES_DEB)
	dh_builddeb $(DEBHELPER_PACKAGES_DEB)

# Build architecture-dependent files here.
binary-arch-udeb: build-arch-udeb-all install-udeb
	dh_testdir
	dh_testroot
	dh_strip $(DEBHELPER_PACKAGES_UDEB)
	dh_link $(DEBHELPER_PACKAGES_UDEB)
	dh_compress $(DEBHELPER_PACKAGES_UDEB)
	dh_fixperms $(DEBHELPER_PACKAGES_UDEB)
	dh_installdeb $(DEBHELPER_PACKAGES_UDEB)
	dh_shlibdeps $(DEBHELPER_PACKAGES_UDEB)
	dh_gencontrol $(DEBHELPER_PACKAGES_DEB)

	$(foreach PACKAGE, $(PACKAGES_UDEB), \
	dh_gencontrol -p$(PACKAGE) -- -fdebian/files~; \
	dpkg-distaddfile $(PACKAGE)_$(VERSION)_$(DEB_HOST_ARCH).udeb debian-installer extra; \
	dh_builddeb -p$(PACKAGE) --filename=$(PACKAGE)_$(VERSION)_$(DEB_HOST_ARCH).udeb; \
	)

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