#!/usr/bin/make -f
# Sample debian/rules that uses debhelper.
# GNU copyright 1997 to 1999 by Joey Hess.

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

# These are used for cross-compiling and for saving the configure script
# from having to guess our platform (since we know it already)
DEB_HOST_GNU_TYPE   ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
DEB_BUILD_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)

VGABIOSES = cirrus stdvga vmware qxl isavga
VGABIOS_TARGETS = $(addprefix vgabios-, $(addsuffix .bin, $(VGABIOSES)))
BUILD_TARGETS = out/bios.bin $(VGABIOS_TARGETS) build-optionrom-stamp

build build-arch build-indep: $(BUILD_TARGETS)

define build-vgabios
rm -rf out/
rm -f .config
for x in BUILD_VGABIOS=y $1; do echo CONFIG_$$x; done > .config
$(MAKE) oldnoconfig
$(MAKE) out/vgabios.bin
mv out/vgabios.bin $@
endef

# Since we use the same .config (and make oldconfig),
# we can't make all vgabios-*.bin in parallel with each other.
# Ensure they're made one after another by specifying
# that next depends on previous, ie, making a dependency chain.
# We build all vgabioses first, and end up at main bios.bin,
# since we need other files from main bios.bin build.

vgabios-cirrus.bin:
	$(call build-vgabios,VGA_CIRRUS=y VGA_PCI=y)
vgabios-stdvga.bin: vgabios-cirrus.bin
	$(call build-vgabios,VGA_BOCHS=y VGA_PCI=y)
vgabios-vmware.bin: vgabios-stdvga.bin
	$(call build-vgabios,VGA_BOCHS=y VGA_PCI=y OVERRIDE_PCI_ID=y VGA_VID=0x15ad VGA_DID=0x0405)
vgabios-qxl.bin: vgabios-vmware.bin
	$(call build-vgabios,VGA_BOCHS=y VGA_PCI=y OVERRIDE_PCI_ID=y VGA_VID=0x1b36 VGA_DID=0x0100)
vgabios-isavga.bin: vgabios-qxl.bin
	$(call build-vgabios,VGA_BOCHS=y VGA_PCI=n)

out/bios.bin: vgabios-isavga.bin
	rm -rf out/
	rm -f .config
	$(MAKE)

build-optionrom-stamp:
	$(MAKE) -C debian/optionrom/
	chmod -x debian/optionrom/*.bin
	ln -s kvmvapic.bin debian/optionrom/vapic.bin
	touch $@

clean:
	dh_testdir
	rm -f $(BUILD_TARGETS)
	rm -f .config .config.old
	rm -rf out/
	rm -f tools/*pyc
	$(MAKE) -C debian/optionrom/ clean
	dh_clean

install: build
	dh_testdir
	dh_testroot
	dh_prep
	dh_installdirs
	dh_install

# Build architecture-independent files here.
binary-arch: build install
# We have nothing to do by default.

# Build architecture-dependent files here.
binary-indep: build install
	dh_testdir
	dh_testroot
	dh_installdocs
	dh_installman
	dh_installchangelogs
	dh_link
	dh_strip
	dh_compress
	dh_fixperms
	dh_installdeb
	dh_gencontrol
	dh_md5sums
	dh_builddeb

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