diff --git a/test/Makefile b/test/Makefile
index b0c829c..050c3a5 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -38,30 +38,32 @@
 
 lit.site.cfg: FORCE
 	@echo "Making Clang 'lit.site.cfg' file..."
-	@sed -e "s#@LLVM_SOURCE_DIR@#$(LLVM_SRC_ROOT)#g" \
-	     -e "s#@LLVM_BINARY_DIR@#$(LLVM_OBJ_ROOT)#g" \
-	     -e "s#@LLVM_TOOLS_DIR@#$(ToolDir)#g" \
-	     -e "s#@LLVM_LIBS_DIR@#$(LibDir)#g" \
-	     -e "s#@CLANG_SOURCE_DIR@#$(PROJ_SRC_DIR)/..#g" \
-	     -e "s#@CLANG_BINARY_DIR@#$(PROJ_OBJ_DIR)/..#g" \
-	     -e "s#@TARGET_TRIPLE@#$(TARGET_TRIPLE)#g" \
-	     $(PROJ_SRC_DIR)/lit.site.cfg.in > $@
+	@$(ECHOPATH) s=@LLVM_SOURCE_DIR@=$(LLVM_SRC_ROOT)=g > lit.tmp
+	@$(ECHOPATH) s=@LLVM_BINARY_DIR@=$(LLVM_OBJ_ROOT)=g >> lit.tmp
+	@$(ECHOPATH) s=@LLVM_TOOLS_DIR@=$(ToolDir)=g >> lit.tmp
+	@$(ECHOPATH) s=@LLVM_LIBS_DIR@=$(LibDir)=g >> lit.tmp
+	@$(ECHOPATH) s=@CLANG_SOURCE_DIR@=$(PROJ_SRC_DIR)/..=g >> lit.tmp
+	@$(ECHOPATH) s=@CLANG_BINARY_DIR@=$(PROJ_OBJ_DIR)/..=g >> lit.tmp
+	@$(ECHOPATH) s=@TARGET_TRIPLE@=$(TARGET_TRIPLE)=g >> lit.tmp
+	@sed -f lit.tmp $(PROJ_SRC_DIR)/lit.site.cfg.in > $@
+	@-rm -f lit.tmp
 
 Unit/lit.site.cfg: FORCE
 	@echo "Making Clang 'Unit/lit.site.cfg' file..."
 	@$(MKDIR) $(dir $@)
-	@sed -e "s#@LLVM_SOURCE_DIR@#$(LLVM_SRC_ROOT)#g" \
-	     -e "s#@LLVM_BINARY_DIR@#$(LLVM_OBJ_ROOT)#g" \
-	     -e "s#@LLVM_TOOLS_DIR@#$(ToolDir)#g" \
-	     -e "s#@LLVM_LIBS_DIR@#$(LibDir)#g" \
-	     -e "s#@CLANG_SOURCE_DIR@#$(PROJ_SRC_DIR)/..#g" \
-	     -e "s#@CLANG_BINARY_DIR@#$(PROJ_OBJ_DIR)/..#g" \
-	     -e "s#@TARGET_TRIPLE@#$(TARGET_TRIPLE)#g" \
-	     -e "s#@LLVM_BUILD_MODE@#$(BuildMode)#g" \
-	     -e "s#@ENABLE_SHARED@#$(ENABLE_SHARED)#g" \
-	     -e "s#@SHLIBDIR@#$(SharedLibDir)#g" \
-	     -e "s#@SHLIBPATH_VAR@#$(SHLIBPATH_VAR)#g" \
-	     $(PROJ_SRC_DIR)/Unit/lit.site.cfg.in > $@
+	@$(ECHOPATH) s=@LLVM_SOURCE_DIR@=$(LLVM_SRC_ROOT)=g > unit.tmp
+	@$(ECHOPATH) s=@LLVM_BINARY_DIR@=$(LLVM_OBJ_ROOT)=g >> unit.tmp
+	@$(ECHOPATH) s=@LLVM_TOOLS_DIR@=$(ToolDir)=g >> unit.tmp
+	@$(ECHOPATH) s=@LLVM_LIBS_DIR@=$(LibDir)=g >> unit.tmp
+	@$(ECHOPATH) s=@CLANG_SOURCE_DIR@=$(PROJ_SRC_DIR)/..=g >> unit.tmp
+	@$(ECHOPATH) s=@CLANG_BINARY_DIR@=$(PROJ_OBJ_DIR)/..=g >> unit.tmp
+	@$(ECHOPATH) s=@TARGET_TRIPLE@=$(TARGET_TRIPLE)=g >> unit.tmp
+	@$(ECHOPATH) s=@LLVM_BUILD_MODE@=$(BuildMode)=g >> unit.tmp
+	@$(ECHOPATH) s=@ENABLE_SHARED@=$(ENABLE_SHARED)=g >> unit.tmp
+	@$(ECHOPATH) s=@SHLIBDIR@=$(SharedLibDir)=g >> unit.tmp
+	@$(ECHOPATH) s=@SHLIBPATH_VAR@=$(SHLIBPATH_VAR)=g >> unit.tmp
+	@sed -f unit.tmp $(PROJ_SRC_DIR)/Unit/lit.site.cfg.in > $@
+	@-rm -f unit.tmp
 
 clean::
 	@ find . -name Output | xargs rm -fr