Fix another goof: consistently use parent directory of target for rule.

(I wonder if there's a better way to write this in the rule itself;
i.e. something like `$$(dirname $$@)`.  But for now this will do.)

mk/host.mk

@@ -42,7 +42,7 @@ $$(HLIB$(2)_H_$(4))/$(CFG_LIBRUSTC_$(4)): \
 	$$(HLIB$(2)_H_$(4))/$(CFG_RUSTLLVM_$(4)) \
 	$$(HCORELIB_DEFAULT$(2)_H_$(4)) \
 	$$(HSTDLIB_DEFAULT$(2)_H_$(4)) \
-	| $$(HBIN$(2)_H_$(4))/
+	| $$(HLIB$(2)_H_$(4))/
 
 	@$$(call E, cp: $$@)
 	$$(Q)cp $$< $$@
@@ -56,7 +56,7 @@ $$(HLIB$(2)_H_$(4))/$(CFG_LIBSYNTAX_$(4)): \
 	$$(HLIB$(2)_H_$(4))/$(CFG_RUSTLLVM_$(4)) \
 	$$(HCORELIB_DEFAULT$(2)_H_$(4)) \
 	$$(HSTDLIB_DEFAULT$(2)_H_$(4)) \
-	| $$(HBIN$(2)_H_$(4))/
+	| $$(HLIB$(2)_H_$(4))/
 	@$$(call E, cp: $$@)
 	$$(Q)cp $$< $$@
 	$$(Q)cp -R $$(TLIB$(1)_T_$(4)_H_$(3))/$(LIBSYNTAX_GLOB_$(4)) \
@@ -65,14 +65,14 @@ $$(HLIB$(2)_H_$(4))/$(CFG_LIBSYNTAX_$(4)): \
 
 $$(HLIB$(2)_H_$(4))/$(CFG_RUNTIME_$(4)): \
 	$$(TLIB$(1)_T_$(4)_H_$(3))/$(CFG_RUNTIME_$(4)) \
-	| $$(HBIN$(2)_H_$(4))/
+	| $$(HLIB$(2)_H_$(4))/
 	@$$(call E, cp: $$@)
 	$$(Q)cp $$< $$@
 
 $$(HLIB$(2)_H_$(4))/$(CFG_CORELIB_$(4)): \
 	$$(TLIB$(1)_T_$(4)_H_$(3))/$(CFG_CORELIB_$(4)) \
 	$$(HLIB$(2)_H_$(4))/$(CFG_RUNTIME_$(4)) \
-	| $$(HBIN$(2)_H_$(4))/
+	| $$(HLIB$(2)_H_$(4))/
 	@$$(call E, cp: $$@)
 	$$(Q)cp $$< $$@
 # Subtle: We do not let the shell expand $(CORELIB_DSYM_GLOB) directly rather
@@ -90,7 +90,7 @@ $$(HLIB$(2)_H_$(4))/$(CFG_STDLIB_$(4)): \
 	$$(TLIB$(1)_T_$(4)_H_$(3))/$(CFG_STDLIB_$(4)) \
 	$$(HLIB$(2)_H_$(4))/$(CFG_CORELIB_$(4)) \
 	$$(HLIB$(2)_H_$(4))/$(CFG_RUNTIME_$(4)) \
-	| $$(HBIN$(2)_H_$(4))/
+	| $$(HLIB$(2)_H_$(4))/
 	@$$(call E, cp: $$@)
 	$$(Q)cp $$< $$@
 	$$(Q)cp -R $$(TLIB$(1)_T_$(4)_H_$(3))/$(STDLIB_GLOB_$(4)) \
@@ -100,15 +100,15 @@ $$(HLIB$(2)_H_$(4))/$(CFG_STDLIB_$(4)): \
 $$(HLIB$(2)_H_$(4))/libcore.rlib: \
 	$$(TLIB$(1)_T_$(4)_H_$(3))/libcore.rlib \
 	$$(HLIB$(2)_H_$(4))/$$(CFG_RUNTIME_$(4)) \
-	| $$(HBIN$(2)_H_$(4))/
+	| $$(HLIB$(2)_H_$(4))/
 	@$$(call E, cp: $$@)
 	$$(Q)cp $$< $$@
 
 $$(HLIB$(2)_H_$(4))/libstd.rlib: \
 	$$(TLIB$(1)_T_$(4)_H_$(3))/libstd.rlib \
 	$$(HLIB$(2)_H_$(4))/libcore.rlib \
 	$$(HLIB$(2)_H_$(4))/$$(CFG_RUNTIME_$(4)) \
-	| $$(HBIN$(2)_H_$(4))/
+	| $$(HLIB$(2)_H_$(4))/
 	@$$(call E, cp: $$@)
 	$$(Q)cp $$< $$@
 
@@ -117,19 +117,22 @@ $$(HLIB$(2)_H_$(4))/librustc.rlib: \
 	$$(HLIB$(2)_H_$(4))/libcore.rlib \
 	$$(HLIB$(2)_H_$(4))/libstd.rlib \
 	$$(HLIB$(2)_H_$(4))/$$(CFG_RUNTIME_$(4)) \
-	| $$(HBIN$(2)_H_$(4))/
+	| $$(HLIB$(2)_H_$(4))/
 	@$$(call E, cp: $$@)
 	$$(Q)cp $$< $$@
 
 $$(HLIB$(2)_H_$(4))/$(CFG_RUSTLLVM_$(4)): \
 	$$(TLIB$(1)_T_$(4)_H_$(3))/$(CFG_RUSTLLVM_$(4)) \
-	| $$(HBIN$(2)_H_$(4))/
+	| $$(HLIB$(2)_H_$(4))/
 	@$$(call E, cp: $$@)
 	$$(Q)cp $$< $$@
 
 $$(HBIN$(2)_H_$(4))/:
 	mkdir -p $$@
 
+$$(HLIB$(2)_H_$(4))/:
+	mkdir -p $$@
+
 endef
 
 $(foreach t,$(CFG_HOST_TRIPLES),					\

mk/target.mk

@@ -73,7 +73,7 @@ $$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_LIBRUSTC_$(3)):		\
 $$(TBIN$(1)_T_$(2)_H_$(3))/rustc$$(X_$(3)):			\
 		$$(DRIVER_CRATE)				\
 		$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_LIBRUSTC_$(3)) \
-		| $$(TLIB$(1)_T_$(2)_H_$(3))/
+		| $$(TBIN$(1)_T_$(2)_H_$(3))/
 	@$$(call E, compile_and_link: $$@)
 	$$(STAGE$(1)_T_$(2)_H_$(3)) --cfg rustc -o $$@ $$<
 ifdef CFG_ENABLE_PAX_FLAGS
@@ -83,6 +83,9 @@ endif
 
 endif
 
+$$(TBIN$(1)_T_$(2)_H_$(3))/:
+	mkdir -p $$@
+
 $$(TLIB$(1)_T_$(2)_H_$(3))/:
 	mkdir -p $$@