#!/usr/bin/make -f
SHELL := sh -e

include debian/rules.defs

GENCONTROL = debian/bin/gencontrol.py

DEB_HOST_ARCH  := $(shell dpkg-architecture -qDEB_HOST_ARCH)
DEB_BUILD_ARCH := $(shell dpkg-architecture -qDEB_BUILD_ARCH)

__BINNMU := $(shell dpkg-parsechangelog | sed -rne 's,^Version: .*\+b([0-9]+)$$,\1,p')

BUILD_STAMP = $(STAMPS_DIR)/build-base

build: debian/control $(BUILD_STAMP)
$(BUILD_STAMP): $(BUILD_DIR) $(STAMPS_DIR)
	dh_testdir
	$(MAKE) -f debian/rules.gen build_$(DEB_HOST_ARCH)
	touch $@

$(BUILD_DIR) $(STAMPS_DIR):
	@[ -d $@ ] || mkdir $@

clean: debian/control
	dh_testdir
	rm -rf $(BUILD_DIR) $(STAMPS_DIR)
	dh_clean
	find debian -maxdepth 1 -type l -delete

binary-indep:
	dh_testdir
	$(MAKE) -f debian/rules.gen binary-indep

binary-arch:
	dh_testdir
	$(MAKE) -f debian/rules.gen binary-arch_$(DEB_HOST_ARCH)

binary:	binary-indep binary-arch

CONTROL_FILES += debian/changelog $(wildcard debian/templates/control.*) 
debian/control debian/rules.gen: $(GENCONTROL) $(CONTROL_FILES)
ifeq ($(wildcard debian/control.md5sum),)
	$(MAKE) -f debian/rules debian/control-real
else ifeq ($(__BINNMU),)
	md5sum --check debian/control.md5sum --status || \
		$(MAKE) -f debian/rules debian/control-real
else
	grep -v debian/changelog debian/control.md5sum | md5sum --check - --status || \
		$(MAKE) -f debian/rules debian/control-real
endif

debian/control-real: $(GENCONTROL) $(CONTROL_FILES)
	$(GENCONTROL) /usr/src/linux-support-$(KERNELVERSION)
	md5sum $^ > debian/control.md5sum
	@echo
	@echo This target is made to fail intentionally, to make sure
	@echo that it is NEVER run during the automated build. Please
	@echo ignore the following error, the debian/control file has
	@echo been generated SUCCESSFULLY.
	@echo
	exit 1

ifdef DEBIAN_KERNEL_BUILD_ANY
binary-arch: binary-arch-all
endif

binary-arch-all: debian/control $(BUILD_DIR) $(STAMPS_DIR)
	dh_testdir
	$(MAKE) -f debian/rules.gen binary-arch

maintainerclean:
	-rm debian/control debian/control.md5sum debian/rules.gen
	rm -f debian/*.bug-presubj

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