#
# Makefile for s390 kernel patch package
#
# (C) 2001, 2002 by Jochen Rhrig (jr@debian.org)
#

KERNEL_VERSION=2.4.21

export CP    = /bin/cp
export DIFF  = /usr/bin/diff -uN 
export GUNZIP= /bin/gunzip
export MKDIR = /bin/mkdir
export MV    = /bin/mv
export PATCH = /usr/bin/patch --no-backup-if-mismatch
export TAR   = /bin/tar
export TOUCH = /usr/bin/touch

patches = \
	linux-$(KERNEL_VERSION)-s390-june2003 \
	linux-$(KERNEL_VERSION)-s390-01-june2003 \
	linux-$(KERNEL_VERSION)-s390-02-june2003 \
	linux-$(KERNEL_VERSION)-s390-03-june2003 \
	linux-$(KERNEL_VERSION)-s390-04-june2003 \
	linux-$(KERNEL_VERSION)-s390-05-june2003 \
	linux-$(KERNEL_VERSION)-s390-06-june2003 \
	linux-$(KERNEL_VERSION)-s390-07-june2003 \
	linux-$(KERNEL_VERSION)-s390-08-june2003 \
	linux-$(KERNEL_VERSION)-s390-09-june2003 \
	linux-$(KERNEL_VERSION)-s390-10-june2003 \
	linux-$(KERNEL_VERSION)-s390-timer-02-june2003 \
	linux-$(KERNEL_VERSION)-s390-kerntypes-june2003 \
	linux-cmsfs \
	linux-cpint \
	linux-ramdisk \
	fixes \
	fixes-arch-listing

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

kernel_patch = linux-$(KERNEL_VERSION)-s390.debian.diff

build: diff-stamp

source: source-stamp
source-stamp:
	@echo "Extracting kernel source ..."
	$(TAR) -xjf $(kernel_source_tar)
	touch $@

source-orig: source-orig-stamp
source-orig-stamp: source-stamp
	@echo "Copying kernel source ..."
	$(CP) -al $(kernel_source) $(kernel_source).orig
	touch $@

patch: patch-stamp
patch-stamp: source-stamp source-orig-stamp
	@echo "Patching kernel ..."
	@cd $(kernel_source);			\
	for patch in $(patches); do		\
	  echo "Applying patch $$patch ...";	\
	  $(PATCH) -p1 < ../$$patch.diff;	\
	done
	touch $@

diff: diff-stamp
diff-stamp: patch-stamp
	@echo "Generating new patch ..."
	-$(DIFF) -r $(kernel_source).orig $(kernel_source) > $(kernel_patch)
	touch $@

clean:
	$(RM) *-stamp
	$(RM) -r $(kernel_source).orig $(kernel_source) $(kernel_patch)
