# Makefile for newer cp2101 driver, we call cp210x
# Essentially, it makes a debian source package which
# then can be built by pbuilder, etc.

DEBDIST = hardy
BUILD = build
KVER := $(shell uname -r)
KSRCVER := $(shell echo $(KVER) | sed -e 's/-[0-9][^-]*-[a-zA-Z][^-]*$$//')
PKGVER  = 0.11

REPORELEASE := $(shell svn info 2>/dev/null | grep "Revision: " | sed -e s'/^[^0-9]*\([0-9]*\).*$$/\1/')
ifeq (,$(REPORELEASE))
  REPORELEASE := $(shell git svn info 2>/dev/null | grep "Revision: " | sed -e s'/^[^0-9]*\([0-9]*\).*$$/\1/')
endif
ifeq (,$(REPORELEASE))
  $(error You much check the code out from svn using svn or git)
endif

DEBRELEASE := 0tmi$(REPORELEASE)
DEBVER := $(PKGVER)-$(DEBRELEASE)
RFC822DATE := $(shell date --rfc-822)
ROOTNAME := cp210x
PACKAGE := $(ROOTNAME)-module-$(KVER)
TARFILE := $(PACKAGE)_$(DEBVER).orig.tar.gz
DEBSRC := $(PACKAGE)-$(PKGVER)
ARCH := $(shell dpkg-architecture -qDEB_HOST_ARCH)
DEBFILE := $(BUILD)/$(PACKAGE)_$(DEBVER)_$(ARCH).deb
DEBSRCFILE := $(BUILD)/$(PACKAGE)_$(DEBVER).dsc


source: $(DEBSRCFILE)
$(DEBSRCFILE): $(BUILD)/debian-stamp
	cd $(BUILD) && dpkg-source -b $(DEBSRC)
	touch $@


binary: $(DEBFILE)
$(DEBFILE): $(BUILD)/debian-stamp
	cd $(BUILD)/$(DEBSRC) && dpkg-buildpackage -sa -us -uc 


$(BUILD)/src-stamp: $(wildcard src/*)
	mkdir -p $(BUILD)
	rm -rf $(BUILD)/$(DEBSRC)
	cp -a src $(BUILD)/$(DEBSRC)
	find $(BUILD)/$(DEBSRC) -name .svn -type d -exec rm -rf "{}" ";" 2>/dev/null || exit 0
	rm -rf $(BUILD)/$(DEBSRC)/.git || exit 0
	tar -C $(BUILD) -czf $(BUILD)/$(TARFILE) $(DEBSRC)
	touch $@


configure: $(BUILD)/debian-stamp
$(BUILD)/debian-stamp: $(BUILD)/src-stamp $(wildcard debian.in/*)
	mkdir -p $(BUILD)/$(DEBSRC)/debian
	rsync --quiet -avz --exclude=.svn/ --exclude=.git/ debian.in/ $(BUILD)/$(DEBSRC)/debian/
	perl -i -pe 's/xxPACKAGExx/$(PACKAGE)/g' $(BUILD)/$(DEBSRC)/debian/*
	perl -i -pe 's/xxROOTNAMExx/$(ROOTNAME)/g' $(BUILD)/$(DEBSRC)/debian/*
	perl -i -pe 's/xxPKGVERxx/$(PKGVER)/g' $(BUILD)/$(DEBSRC)/debian/*
	perl -i -pe 's/xxKVERxx/$(KVER)/g' $(BUILD)/$(DEBSRC)/debian/*
	perl -i -pe 's/xxKSRCVERxx/$(KSRCVER)/g' $(BUILD)/$(DEBSRC)/debian/*
	perl -i -pe 's/xxDEBVERxx/$(DEBVER)/g' $(BUILD)/$(DEBSRC)/debian/*
	perl -i -pe 's/xxDEBDISTxx/$(DEBDIST)/g' $(BUILD)/$(DEBSRC)/debian/*
	perl -i -pe 's/xxRFC822DATExx/$(RFC822DATE)/g' $(BUILD)/$(DEBSRC)/debian/*
	touch $@


clean:
	rm -rf $(BUILD)


debug:
	@echo "BUILD = $(BUILD)"
	@echo "KVER = $(KVER)"
	@echo "PKGVER = $(PKGVER)"
	@echo "REPORELEASE = |$(REPORELEASE)|"
	@echo "DEBRELEASE = $(DEBRELEASE)"
	@echo "DEBVER = $(DEBVER)"
	@echo "RFC822DATE = $(RFC822DATE)"
	@echo "PACKAGE = $(PACKAGE)"
	@echo "TARFILE = $(TARFILE)"
	@echo "DEBSRC = $(DEBSRC)"
	@echo "ARCH = $(ARCH)"
	@echo "DEBFILE = $(BUILD)/$(PACKAGE)_$(DEBVER)_$(ARCH).deb"
	@echo "DEBSRCFILE = $(BUILD)/$(PACKAGE)_$(DEBVER).dsc"


.PHONY: clean binary source configure