rt: Build __morestack as a static library and copy it to the right places

Makefile.in

@@ -281,7 +281,8 @@ HOST_SREQ$(1) = \
 TARGET_SREQ$(1)$(2) = \
 	$$(HOST_SREQ$(1)) \
 	$$(TARGET_LIB$(1)$(2))/$$(CFG_RUNTIME) \
-	$$(TARGET_LIB$(1)$(2))/intrinsics.bc
+	$$(TARGET_LIB$(1)$(2))/intrinsics.bc \
+	$$(TARGET_LIB$(1)$(2))/libmorestack.a
 
 # Prerequisites for complete stageN targets
 SREQ$(1)$(2) = \

mk/install.mk

@@ -43,6 +43,7 @@ install-target$(1): $$(SREQ$$(ISTAGE)$(1))
 	$(Q)$(call INSTALL,$$(TL$(1)),$$(PTL$(1)),$$(CFG_RUNTIME))
 	$(Q)$(call INSTALL,$$(TL$(1)),$$(PTL$(1)),$$(CFG_STDLIB))
 	$(Q)$(call INSTALL,$$(TL$(1)),$$(PTL$(1)),intrinsics.bc)
+	$(Q)$(call INSTALL,$$(TL$(1)),$$(PTL$(1)),libmorestack.a)
 endef
 
 $(foreach target,$(CFG_TARGET_TRIPLES), \

mk/rt.mk

@@ -139,6 +139,10 @@ rt/$(1)/%.o: rt/%.S $$(MKFILES)
 	@$$(call E, compile: $$@)
 	$$(Q)$$(call CFG_COMPILE_C_$(1), $$@, $$(RUNTIME_INCS_$(1))) $$<
 
+rt/$(1)/arch/$$(HOST_$(1))/libmorestack.a: rt/$(1)/arch/$$(HOST_$(1))/morestack.o
+	@$$(call E, link: $$@)
+	$$(Q)ar rcs $$@ $$<
+
 rt/$(1)/$(CFG_RUNTIME): $$(RUNTIME_OBJS_$(1)) $$(MKFILES) \
 			  				 $$(RUNTIME_HDR_$(1)) \
                              $$(RUNTIME_DEF_$(1)) \

mk/target.mk

@@ -17,6 +17,10 @@ $$(TARGET_LIB$(1)$(2))/intrinsics.bc: $$(TARGET_LIB$(1)$(2))/intrinsics.ll \
 	@$$(call E, llvms-as: $$@)
 	$$(Q)$$(LLVM_AS_$(2)) -o $$@ $$<
 
+$$(TARGET_LIB$(1)$(2))/libmorestack.a: rt/$(2)/arch/$$(HOST_$(2))/libmorestack.a
+	@$$(call E, cp: $$@)
+	$$(Q)cp $$< $$@
+
 $$(TARGET_LIB$(1)$(2))/$$(CFG_STDLIB): \
 	$$(STDLIB_CRATE) $$(STDLIB_INPUTS) \
         $$(TARGET_SREQ$(1)$(2))