all: fiasco l4re

help:
	@echo "Supported targets:"
	@echo "  all           - Build all"
	@echo "  fiasco        - Build Fiasco kernel"
	@echo "  fiasco-config - Reconfigure Fiasco kernel"
	@echo "  l4re          - Build L4 runtime environment"
	@echo "  l4re-config   - Reconfigure L4 runtime environment"
	@echo "  hello         - Build image with hello entry"

.NOTPARALLEL:

########## Fiasco ##########

.PHONY: fiasco
fiasco: fiasco/globalconfig.out
	$(MAKE) -C fiasco

.PHONY: fiasco-config
fiasco-config: fiasco/globalconfig.out

ifeq ($(MAKECMDGOALS),fiasco-config)
.PHONY: fiasco/globalconfig.out
endif

fiasco/globalconfig.out: fiasco/.stamp-jh
	$(MAKE) -C $(@D) config
	touch $@

fiasco/.stamp-jh:
	$(MAKE) -C ../../l4/kernel/fiasco BUILDDIR=$(CURDIR)/$(@D)
	touch $@

########## L4Re ##########

L4RE_PKGS = acpica bootstrap cxx_thread drivers drivers-frst fb-drv	\
hello input io/io io/libio io/libio-direct io/libio-io io/libvbus	\
l4re-core/crtn l4re-core/cxx l4re-core/cxx_libc_io l4re-core/l4re	\
l4re-core/l4re_c l4re-core/l4re_kernel l4re-core/l4re_vfs		\
l4re-core/l4sys l4re-core/l4util l4re-core/ldscripts l4re-core/ldso	\
l4re-core/libc_backends l4re-core/libgcc l4re-core/libgcc-pure		\
l4re-core/libkproxy l4re-core/libloader l4re-core/libsigma0		\
l4re-core/libstdc++-headers l4re-core/libstdc++-v3			\
l4re-core/libstdc++-v3-minimal l4re-core/libsupc++			\
l4re-core/libsupc++-minimal l4re-core/lua l4re-core/moe l4re-core/ned	\
l4re-core/sigma0 l4re-core/uclibc l4re-core/uclibc-headers		\
l4re-core/uclibc-minimal libedid libirq libvcpu loader log lxfuxlibc	\
rtc shmc x86emu

.PHONY: l4re
l4re: l4re/.kconfig
	$(MAKE) -C l4re #S="$(L4RE_PKGS:%=pkg/%)"

.PHONY: l4re-config
l4re-config: l4re/.kconfig

ifeq ($(MAKECMDGOALS),l4re-config)
.PHONY: l4re/.kconfig
endif

l4re/.kconfig: l4re/.stamp-jh
	$(MAKE) -C $(@D) config
	touch $@

l4re/.stamp-jh:
	$(MAKE) -C ../../l4/l4 B=$(CURDIR)/$(@D)
	touch $@

########## Application ##########

.PHONY: hello
hello:
	$(MAKE) -C l4re MODULE_SEARCH_PATH=$(CURDIR)/fiasco E=hello elfimage