#!/usr/bin/make -f

include /usr/share/dpkg/architecture.mk
include /usr/share/dpkg/pkg-info.mk
export DEBIAN_REVISION ?= $(shell echo $(DEB_VERSION) | sed -e 's,.*+dfsg,+dfsg,')

ifneq ($(DEB_BUILD_GNU_TYPE),$(DEB_HOST_GNU_TYPE))
export CROSS_COMPILE ?= $(DEB_HOST_GNU_TYPE)-
cross_build_tools ?= y
endif

# support parallel build using DEB_BUILD_OPTIONS=parallel=N
ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
  DEB_UBOOT_FLAGS += -j$(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
endif

# Enable verbose build by default, disable when terse is specified.
ifneq (,$(filter terse,$(DEB_BUILD_OPTIONS)))
VERBOSE=0
else
VERBOSE=1
endif

# the upstream build passes LDFLAGS directly to ld instead of calling gcc for
# linking; so instead of passing -Wl,foo in LDFLAGS as in automake builds, one
# should set LDFLAGS to foo directly
comma := ,
LDFLAGS := $(patsubst -Wl$(comma)%,%,$(LDFLAGS))

%:
	dh $@

configs/novena-rawsd_defconfig:
	sed -e 's,CONFIG_SPL_FAT_SUPPORT=y,# CONFIG_SPL_FAT_SUPPORT is not set,' \
		configs/novena_defconfig > configs/novena-rawsd_defconfig

override_dh_auto_build: TOOLSDIR := debian/build/tools
override_dh_auto_build: configs/novena-rawsd_defconfig
	set -e; sed -n 's/^$(DEB_HOST_ARCH)[[:space:]]\+//p' debian/targets \
	    | while read subarch platform targets; do \
	        builddir=debian/build/$$platform; \
		case $$platform in \
			novena-rawsd) targets="$$targets" ;\
				;; \
			*) targets="$$targets uboot.elf" ;\
				;; \
		esac;\
			maketargets="all" ;\
		case $$subarch in \
			-) subpackage="u-boot" ;\
				;; \
			*) subpackage="u-boot-$$subarch" ;\
				;; \
		esac;\
		mkdir -p $$builddir; \
		$(MAKE) V=$(VERBOSE) O=$$builddir $${platform}_defconfig; \
		$(MAKE) V=$(VERBOSE) $(DEB_UBOOT_FLAGS) O=$$builddir $${maketargets}; \
		case "$$targets" in \
			*uboot.elf*) \
				install -m 644 $$builddir/u-boot $$builddir/uboot.elf; \
				$(CROSS_COMPILE)strip --remove-section=.comment \
					--remove-section=.note \
					$$builddir/uboot.elf; \
				;; \
		esac; \
		for target in $$targets; do \
			chmod -x $$builddir/$$target; \
			echo $$builddir/$$target /usr/lib/u-boot/$$platform/ \
				>> debian/build/targets.$$subarch; \
			echo $$platform >> debian/build/platforms.$$subarch; \
		done ; \
		cp $$builddir/.config $$builddir/config.$$platform; \
		echo $$builddir/config.$$platform /usr/share/doc/$$subpackage/configs/ \
			>> debian/build/targets.$$subarch; \
	    case $${subarch} in \
		rockchip) \
			debian/bin/generate-rksd $$builddir $$platform $$subarch; \
			;; \
		qcom) \
			debian/bin/generate-qcom $$builddir $$platform $$subarch; \
			;; \
	        esac; \
	done

	# Load dummy config
	echo CONFIG_SYS_TEXT_BASE=0 > configs/tools_defconfig
	$(MAKE) V=$(VERBOSE) O=$(TOOLSDIR) CROSS_COMPILE=$(CROSS_COMPILE) tools_defconfig
	cp $(TOOLSDIR)/.config $(TOOLSDIR)/config
	# board-independent tools
	$(MAKE) V=$(VERBOSE) O=$(TOOLSDIR) $(DEB_UBOOT_FLAGS) \
		CROSS_COMPILE=$(CROSS_COMPILE) \
		CROSS_BUILD_TOOLS=$(cross_build_tools) \
		NO_SDL=1 \
	    tools-only
	$(MAKE) V=$(VERBOSE) O=$(TOOLSDIR) $(DEB_UBOOT_FLAGS) \
		CROSS_COMPILE=$(CROSS_COMPILE) \
		NO_SDL=1 \
	    envtools
	$(CROSS_COMPILE)strip --strip-unneeded --remove-section=.comment --remove-section=.note $(TOOLSDIR)/tools/env/fw_printenv
	$(CROSS_COMPILE)strip --strip-unneeded --remove-section=.comment --remove-section=.note $(TOOLSDIR)/tools/mkimage
	$(CROSS_COMPILE)strip --strip-unneeded --remove-section=.comment --remove-section=.note $(TOOLSDIR)/tools/mkenvimage
	$(CROSS_COMPILE)strip --strip-unneeded --remove-section=.comment --remove-section=.note $(TOOLSDIR)/tools/kwboot
	$(CROSS_COMPILE)strip --strip-unneeded --remove-section=.comment --remove-section=.note $(TOOLSDIR)/tools/mksunxiboot
	$(CROSS_COMPILE)strip --strip-unneeded --remove-section=.comment --remove-section=.note $(TOOLSDIR)/tools/dumpimage

override_dh_auto_test:
ifeq ($(DEB_BUILD_GNU_TYPE),$(DEB_HOST_GNU_TYPE))
	# only run tests on native builds
	BASEDIR=debian/build/tools test/image/test-imagetools.sh
endif

override_dh_clean:
	rm -rf debian/build/
	rm -f configs/tools_defconfig
	rm -f configs/novena-rawsd_defconfig
	dh_clean

override_dh_gencontrol:
	debian/bin/update-substvars
	dh_gencontrol