Add/implement "default" reference output, to make it easier to add tests which

just "exit 0".

git-svn-id: https://llvm.org/svn/llvm-project/test-suite/trunk@120805 91177308-0d34-0410-b5e6-96231b3b80d8

Author: ddunbar

External/SPEC/Makefile.spec

@@ -66,7 +66,8 @@ Output/%.out-nat: Output/.dir
 	elif [ -f "$(PROJ_SRC_DIR)/$*.reference_output" ]; then \
 	  cp $(PROJ_SRC_DIR)/$*.reference_output $@; \
 	else \
-	  printf "ERROR: %s: %s\n" "NO REFERENCE OUTPUT" "$(PROJ_SRC_DIR)/$*.reference_output" > $@; \
+	  printf "WARNING: %s: %s\n" "NO REFERENCE OUTPUT (using default)" "$(PROJ_SRC_DIR)/$*.reference_output" > $@; \
+	  cp $(PROJ_SRC_ROOT)/default.reference_output $@; \
 	  cat $@; \
 	fi
 

Makefile.programs

@@ -870,7 +870,8 @@ Output/%.out-nat: Output/.dir
 	elif [ -f "$(PROJ_SRC_DIR)/$*.reference_output" ]; then \
 	  cp $(PROJ_SRC_DIR)/$*.reference_output $@; \
 	else \
-	  printf "ERROR: %s: %s\n" "NO REFERENCE OUTPUT" "$(PROJ_SRC_DIR)/$*.reference_output" > $@; \
+	  printf "WARNING: %s: %s\n" "NO REFERENCE OUTPUT (using default)" "$(PROJ_SRC_DIR)/$*.reference_output" > $@; \
+	  cp $(PROJ_SRC_ROOT)/default.reference_output $@; \
 	  cat $@; \
 	fi
 

default.reference_output

@@ -0,0 +1 @@
+exit 0