#!/usr/bin/make -f

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

make/defines.mk:
	./configure \
		--kernel_src=/usr

build: make/defines.mk patch

patch:
	sh debian/build-patch

kernel_source = kernel-source-$(VERSION)
kernel_source_tar = /usr/src/$(kernel_source).tar.bz2

build-patch: build-patch/$(ID)/diff-$(VERSION)-stamp

build-patch/source/$(VERSION)-stamp:
	@rm -rf build-patch/source 2> /dev/null
	@mkdir -p build-patch/source 2> /dev/null
	@echo "Extracting kernel source ..."
	cd build-patch/source; tar -xjf $(kernel_source_tar)
	cd build-patch/source/$(kernel_source); /usr/src/kernel-patches/all/$(VERSION)/apply/debian $(DEBIAN_VERSION)
	touch $@

build-patch/$(ID)/patch-$(VERSION)-stamp: build-patch/source/$(VERSION)-stamp make/defines.mk
	@echo "Patching kernel ..."
	@rm -rf build-patch/$(ID) 2> /dev/null
	@mkdir build-patch/$(ID) 2> /dev/null
	cp -al build-patch/source/$(kernel_source) build-patch/$(ID)/$(kernel_source)
	cp -al build-patch/source/$(kernel_source) build-patch/$(ID)/$(kernel_source).orig
	cd build-patch/$(ID)/$(kernel_source); \
	for patch in $(wildcard patches/$(PATCH_VERSION)/0*.patch); do \
	  echo "Applying patch $$patch ..."; \
	  patch --no-backup-if-mismatch -p1 < ../../../$$patch || exit 1; \
	done
	make -C src add linux_patched=$(CURDIR)/build-patch/$(ID)/$(kernel_source)
	touch $@

build-patch/$(ID)/diff-$(VERSION)-stamp: build-patch/$(ID)/patch-$(VERSION)-stamp
	@echo "Generating new patch ..."
	-cd build-patch/$(ID); diff -urN $(kernel_source).orig $(kernel_source) > linux-$(ID)-$(VERSION).diff
	touch $@

clean:
	dh_testdir
	dh_testroot
	rm -f debian/kpatches

	-$(MAKE) distclean
	rm -rf build-patch

	dh_clean 

install:
	dh_testdir
	dh_testroot
	dh_clean -k
	dh_installdirs

# Build architecture independant packages using the common target.
binary-indep: build install
	dh_testdir
	dh_testroot
	dh_installchangelogs
	dh_installdocs
	dh_installkpatches
	dh_link
	dh_strip
	dh_compress 
	dh_fixperms
	dh_installdeb
	dh_gencontrol
	dh_md5sums
	dh_builddeb

# Build architecture dependant packages using the common target.
binary-arch:

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