# TARGET_STAGE_N template: This defines how target artifacts are built
# for all stage/target architecture combinations. Argument 1 is the
# stage and arg 2 is the target triple

# FIXME: We don't actually know how to build many of these when host
# and target architectures are not the same

define TARGET_STAGE_N

TARGET_HOST    := $$(word 1,$$(subst -, ,$(2)))

# For some reason there is (sometimes) a mismatch here between i686, i386, etc
INTR_HOST := $$(subst i686,i386,$$(TARGET_HOST))

$$(TARGET_LIB$(1)$(2))/intrinsics.ll: \
		$$(S)src/rt/intrinsics/intrinsics.$$(INTR_HOST).ll.in
	@$$(call E, sed: $$@)
	$$(Q)sed s/@CFG_TARGET_TRIPLE@/$(2)/ $$< > $$@

$$(TARGET_LIB$(1)$(2))/intrinsics.bc: $$(TARGET_LIB$(1)$(2))/intrinsics.ll
	@$$(call E, llvms-as: $$@)
	$$(Q)$$(LLVM_AS) -o $$@ $$<

$$(TARGET_LIB$(1)$(2))/$$(CFG_STDLIB): \
	$$(STDLIB_CRATE) $$(STDLIB_INPUTS) \
        $$(TARGET_SREQ$(1)$(2))
	@$$(call E, compile_and_link: $$@)
	$$(STAGE$(1)_$(2))  --lib -o $$@ $$<

ifeq ($(1), 0)
# FIXME: temporary
$$(TARGET_LIB$(1)$(2))/$$(CFG_OLDSTDLIB): $$(TARGET_LIB$(1)$(2))/$$(CFG_STDLIB)
	@$$(call E, cp: $$@)
	$$(Q)cp $$< $$@
endif

$$(TARGET_LIB$(1)$(2))/libstd.rlib: \
	$$(STDLIB_CRATE) $$(STDLIB_INPUTS) \
        $$(TARGET_SREQ$(1)$(2))
	@$$(call E, compile_and_link: $$@)
	$$(STAGE$(1)_$(2)) --lib --static -o $$@ $$<

$$(TARGET_LIB$(1)$(2))/$$(CFG_RUNTIME): rt/$$(CFG_RUNTIME)
	@$$(call E, cp: $$@)
	$$(Q)cp $$< $$@

$$(TARGET_LIB$(1)$(2))/$$(CFG_RUSTLLVM): rustllvm/$$(CFG_RUSTLLVM)
	@$$(call E, cp: $$@)
	$$(Q)cp $$< $$@

$$(TARGET_BIN$(1)$(2))/rustc$$(X): \
	$$(COMPILER_CRATE) $$(COMPILER_INPUTS) \
	$$(TARGET_SREQ$(1)$(2)) \
	$$(TARGET_LIB$(1)$(2))/$$(CFG_RUSTLLVM) \
	$$(TARGET_STDLIB_DEFAULT$(1)$(2))
	@$$(call E, compile_and_link: $$@ for stage $(1) and target $(2))
	$$(STAGE$(1)_$(2)) -o $$@ $$<

$$(TARGET_LIB$(1)$(2))/$$(CFG_LIBRUSTC): \
	$$(COMPILER_CRATE) $$(COMPILER_INPUTS) \
	$$(TARGET_SREQ$(1)$(2)) \
	$$(TARGET_LIB$(1)$(2))/$$(CFG_RUSTLLVM) \
	$$(TARGET_STDLIB_DEFAULT$(1)$(2))
	@$$(call E, compile_and_link: $$@)
	$$(STAGE$(1)_$(2)) --lib -o $$@ $$<

endef

# Instantiate template for all stages
$(foreach target,$(CFG_TARGET_TRIPLES), \
 $(eval $(call TARGET_STAGE_N,0,$(target))) \
 $(eval $(call TARGET_STAGE_N,1,$(target))) \
 $(eval $(call TARGET_STAGE_N,2,$(target))) \
 $(eval $(call TARGET_STAGE_N,3,$(target))))