Use $(ECHOPATH) to make llvm-lit from llvm-lit.in.

llvm-svn: 127240
diff --git a/llvm/utils/llvm-lit/Makefile b/llvm/utils/llvm-lit/Makefile
index 702591f..77021bb 100644
--- a/llvm/utils/llvm-lit/Makefile
+++ b/llvm/utils/llvm-lit/Makefile
@@ -13,9 +13,10 @@
 
 all:: $(ToolDir)/llvm-lit
 
-$(ToolDir)/llvm-lit: llvm-lit.in $(ToolDir)/.dir
+$(ToolDir)/llvm-lit: llvm-lit.in Makefile $(ToolDir)/.dir
 	$(Echo) "Creating 'llvm-lit' script..."
-	$(Verb)sed -e "s#@LLVM_SOURCE_DIR@#$(LLVM_SRC_ROOT)#g" \
-	     -e "s#@LLVM_BINARY_DIR@#$(LLVM_OBJ_ROOT)#g" \
-	     $< > $@
+	$(Verb)$(ECHOPATH) s=@LLVM_SOURCE_DIR@=$(LLVM_SRC_ROOT)=g > lit.tmp
+	$(Verb)$(ECHOPATH) s=@LLVM_BINARY_DIR@=$(LLVM_OBJ_ROOT)=g >> lit.tmp
+	$(Verb)sed -f lit.tmp $< > $@
 	$(Verb)chmod +x $@
+	$(Verb)rm -f lit.tmp