Revert part of my last change while I figure out why windows doesn't like it.

mk/tests.mk

@@ -200,13 +200,15 @@ compile-check: tidy \
 	@# programs, I\'ll live with the noise.
 	-$(Q)$(CFG_DSYMUTIL) $@
 
-%.stage2$(X): %.rs $(SREQ2)
-	@$(call E, compile_and_link: $@)
-	$(STAGE2) -o $@ $<
+%.stage2$(X): %.stage2.o $(SREQ2)
+	@$(call E, link [gcc]: $@)
+	$(Q)gcc $(CFG_GCCISH_CFLAGS) stage3/glue.o -o $@ $< \
+      -Lstage3 -Lrt rt/main.o -lrustrt -lstd -lm
+	@# dsymutil sometimes fails or prints a warning, but the
+	@# program still runs.  Since it simplifies debugging other
+	@# programs, I\'ll live with the noise.
+	-$(Q)$(CFG_DSYMUTIL) $@
 
-%.stage2$(X): %.rc $(SREQ2)
-	@$(call E, compile_and_link: $@)
-	$(STAGE2) -o $@ $<
 
 %.stage0.o: %.rc $(SREQ0)
 	@$(call E, compile [stage0]: $@)
@@ -225,6 +227,15 @@ compile-check: tidy \
 	@$(call E, compile [stage1]: $@)
 	$(STAGE1) -c -o $@ $<
 
+
+%.stage2.o: %.rc $(SREQ2)
+	@$(call E, compile [stage2]: $@)
+	$(STAGE2) -c -o $@ $<
+
+%.stage2.o: %.rs $(SREQ2)
+	@$(call E, compile [stage2]: $@)
+	$(STAGE2) -c -o $@ $<
+
 # Cancel the implicit .out rule in GNU make.
 %.out: %