diff --git a/tools/Rules.in b/tools/Rules.in
index ef42094e..53371b30 100644
--- a/tools/Rules.in
+++ b/tools/Rules.in
@@ -44,12 +44,15 @@ docdir=@prefix@/doc
 test-src-path := $(srcdir)/$(dir-name)/
 
 build-tests:
-	@for i in `find $(test-src-path) -name '*_test.c'` ; do 				   \
-		testname=`basename $$i .c`							;  \
-		testobj=$${testname}.o								;  \
-		$(CC) $(CFLAGS) -I $(srcdir)/birdtest/ -o $$testobj -c $$i 			&& \
-		$(CC) $(LDFLAGS) $$testobj -o $$testname $(root-rel)birdtest/birdtest.a 	|| \
-		rm -rf $$testname								;  \
+	@for i in `find $(test-src-path) -name '*_test.c'` ; do 					   \
+		testname=`basename $$i .c`								;  \
+		testobj=$${testname}.o									;  \
+		printf "$(CC) $(CFLAGS) -I $(srcdir)/birdtest/ -o $$testobj -c $$i && "			;  \
+		printf "$(CC) $(LDFLAGS) $$testobj -o $$testname $(root-rel)birdtest/birdtest.a || "	;  \
+		printf "rm -rf $$testname \n"								;  \
+		$(CC) $(CFLAGS) -I $(srcdir)/birdtest/ -o $$testobj -c $$i 				&& \
+		$(CC) $(LDFLAGS) $$testobj -o $$testname $(root-rel)birdtest/birdtest.a 		|| \
+		rm -rf $$testname									;  \
 	done
 
 ifdef source