Merge pull request #1829 from compnerd/no-sdk-for-you

test: only pass `-sdk` on Darwin targets

Author: compnerd

packages/Python/lldbsuite/test/make/Makefile.rules

@@ -538,7 +538,9 @@ ifeq "$(USESWIFTDRIVER)" "1"
 	ifneq "$(TRIPLE)" ""
 		SWIFTFLAGS += -target $(TRIPLE)
 	endif
-	SWIFTFLAGS += -sdk "$(SWIFTSDKROOT)"
+	ifeq "$(OS)" "Darwin"
+		SWIFTFLAGS += -sdk "$(SWIFTSDKROOT)"
+	endif
 endif
 
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