#!/usr/bin/make -f
#
# debian/rules for kernel-image-*-i386
#
# GNU copyright 1997 to 1999 by Joey Hess.
# Copyright (c) 1999-2002 Herbert Xu <herbert@debian.org>
#
# $Id: rules,v 1.24 2003/09/27 08:14:38 herbert Exp $

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

# This is the debhelper compatability version to use.
export DH_COMPAT=2

SHELL := sh -e

khsed := s/^Package: kernel-headers-\([^-]*\)\(-[[:digit:]]*\)$$/\1 \2/
debver := $(shell sed -n '$(khsed); t e; b; :e; p; q' debian/control)
export version := $(firstword $(debver))
export debnum := $(word 2,$(debver))
debver := $(version)$(debnum)
appvan :=

ifneq ($(debnum),)
appvan := --append_to_version $(debnum)
endif

addpatch := --added-patches ia64-$(shell echo $(version) | tr '.' '_')

flavours := $(shell \
	find config -maxdepth 1 -type f ! -name default -printf '%f\n' \
)
bpkg := kernel-build-$(debver)

ktver := $(shell \
	sed -n 's/.*kernel-tree-\([^,]*\).*/\1/p; t e; b; :e q' \
		debian/control \
)

unpack: unpack-stamp
unpack-stamp:
	dh_testdir
	tar jxf /usr/src/kernel-source-$(version).tar.bz2
	cd kernel-source-$(version); \
		/usr/src/kernel-patches/all/$(version)/apply/debian $(ktver)
	mkdir kernel-source-$(version)/debian
	cp debian/changelog kernel-source-$(version)/debian
	cp debian/control kernel-source-$(version)/debian
	cp debian/copyright kernel-source-$(version)/debian
	> kernel-source-$(version)/debian/official
	install post-install kernel-source-$(version)/debian
	for i in $(flavours); do \
		cp -al kernel-source-$(version) build-$$i; \
		cp config/$$i build-$$i/.config; \
	done
	cp config/default kernel-source-$(version)/.config
	ln -s `command -v touch` bin/touch.orig

	touch unpack-stamp

build: build-stamp
build-stamp: unpack-stamp
	dh_testdir
	PATH=$$PWD/bin:$$PATH; \
	for i in $(flavours); do \
		cd build-$$i; \
		make-kpkg $(addpatch) \
		  --append_to_version $(debnum)-$$i build; \
		cd ..; \
	done

	touch build-stamp

debnum:
	@echo $(debnum)

clean:
	dh_testdir
	rm -f unpack-stamp build-stamp
	rm -rf kernel-source-$(version) build-* install-*
	rm -f bin/touch.orig
	dh_clean

install: build
	dh_testdir
	dh_clean -k
	dh_installdirs

# Build architecture-independent files here.
binary-indep:

# Build architecture-dependent files here.
binary-arch: install
	dh_testdir

	cd kernel-source-$(version); \
		make-kpkg $(appvan) $(addpatch) kernel-headers
	mv kernel-source-$(version)/debian/files debian

	for i in $(flavours); do \
		cp -al build-$$i install-$$i; \
		cd install-$$i; \
		make-kpkg $(addpatch) --append_to_version $(debnum)-$$i \
			--initrd kernel-image; \
		cd ..; \
		cat install-$$i/debian/files >> debian/files; \
		rm -rf install-$$i; \
	done
	mv *.deb ..

	dh_installdocs --package=$(bpkg)
	dh_installchangelogs --package=$(bpkg)
	dh_compress --package=$(bpkg)
	dh_fixperms --package=$(bpkg)
	dh_installdeb --package=$(bpkg)
	dh_gencontrol --package=$(bpkg)
	dh_md5sums --package=$(bpkg)
	dh_builddeb --package=$(bpkg)

## assume the itanium config is up-to-date.  generate the other configs
## by copying it and making the necessary modifications
sync_configs: config/itanium
	sed 's/# CONFIG_SMP is not set/CONFIG_SMP=y\nCONFIG_NR_CPUS=32/' \
	  < config/itanium > config/itanium-smp
	sed 's/# CONFIG_MCKINLEY is not set/CONFIG_MCKINLEY=y/' \
	  < config/itanium > config/mckinley.tmp
	sed 's/CONFIG_ITANIUM=y/# CONFIG_ITANIUM is not set/' \
	  < config/mckinley.tmp > config/mckinley
	rm -f config/mckinley.tmp
	sed 's/# CONFIG_SMP is not set/CONFIG_SMP=y\nCONFIG_NR_CPUS=32/' \
	  < config/mckinley > config/mckinley-smp
	cp config/itanium-smp config/default

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