diff --git a/configure b/configure
index ccb9f0c..2943ac5 100755
--- a/configure
+++ b/configure
@@ -364,7 +364,6 @@ CFLAGS		= ${CFLAGS}
 LDFLAGS		= ${LDFLAGS}
 YACC		= ${YACC}
 LEX		= ${LEX}
-COMPAT		= ${COMPAT}
 STATIC		= ${STATIC}
 PREFIX		= ${PREFIX}
 BINDIR		= ${BINDIR}
@@ -375,8 +374,15 @@ INSTALL_PROGRAM	= ${INSTALL_PROGRAM}
 INSTALL_LIB	= ${INSTALL_LIB}
 INSTALL_MAN	= ${INSTALL_MAN}
 INSTALL_DATA	= ${INSTALL_DATA}
+
 __HEREDOC__
 
+printf "COMPAT ="
+for comp in ${COMPAT}; do
+	printf " %s/%s" "$PWD" "$comp"
+done
+printf "\n"
+
 echo "file Makefile.local: written" 1>&2
 echo "file Makefile.local: written" 1>&3
 
diff --git a/regress/Makefile b/regress/Makefile
index fc0d87c..0098885 100644
--- a/regress/Makefile
+++ b/regress/Makefile
@@ -7,11 +7,12 @@ all: puny-test testdata iri_test cert.pem testca.pem valid.crt invalid.cert.pem
 	./runtime
 	./iri_test
 
-puny-test: puny-test.o ../puny.o ../utf8.o ../utils.o ../log.o
-	${CC} puny-test.o ../puny.o ../utf8.o ../utils.o ../log.o -o puny-test ${LDFLAGS}
+puny-test: puny-test.o ../puny.o ../utf8.o ../utils.o ../log.o ${COMPAT}
+	${CC} puny-test.o ../puny.o ../utf8.o ../utils.o ../log.o ${COMPAT} \
+		-o puny-test ${LDFLAGS}
 
-iri_test: iri_test.o ../iri.o ../utf8.o
-	${CC} iri_test.o ../iri.o ../utf8.o -o iri_test
+iri_test: iri_test.o ../iri.o ../utf8.o ${COMPAT}
+	${CC} iri_test.o ../iri.o ../utf8.o ${COMPAT} -o iri_test
 
 fill-file: fill-file.o
 	${CC} fill-file.o -o fill-file