diff --git a/libdirutils/Makefile.in b/libdirutils/Makefile.in
index fe523f5..96d81fd 100644
--- a/libdirutils/Makefile.in
+++ b/libdirutils/Makefile.in
@@ -4,7 +4,7 @@ MANPAGE :=	libdirutils.3
 OBJS :=		dirutils.o dirlist.o dirwalk.o
 HEADERS :=	kst
 LIBS :=
-TEST_LIBS :=	-L/usr/local/lib -lcunit
+TEST_LIBS :=	-L/usr/local/lib OS_TEST_LIBS -lcunit
 
 PREFIX ?= $PREFIX
 MANDIR ?= $MANDIR
diff --git a/libdirutils/config.sh b/libdirutils/config.sh
index 0174c66..0f2c13b 100755
--- a/libdirutils/config.sh
+++ b/libdirutils/config.sh
@@ -13,6 +13,9 @@ OPSYS=$(uname -s)
 echo "Configuring for ${OPSYS}..."
 if [ "x${OPSYS}" = "xLinux" ]; then
     OS_CFLAGS="-D_DEFAULT_SOURCE -D_POSIX_SOURCE -D_XOPEN_SOURCE"
+elif [ "x${OPSYS}" = "xDarwin" ]; then
+    OS_CFLAGS="-I/opt/homebrew/include"
+    OS_TEST_LIBS="-L/opt/homebrew/lib"
 else
     OS_CFLAGS=""
 fi
@@ -43,7 +46,8 @@ echo "prefix: ${PREFIX}"
 echo "mandir: ${MANDIR}"
 
 echo "writing new Makefile"
-cat Makefile.in | sed -e "s|OS_CFLAGS|${OS_CFLAGS}|" |          \
+cat Makefile.in | sed -e "s|OS_CFLAGS|${OS_CFLAGS}|" |		\
+		  sed -e "s|OS_TEST_LIBS|${OS_TEST_LIBS}|" |	\
                   sed -e "s|\$PREFIX|${PREFIX}|" |              \
                   sed -e "s|\$MANDIR|${MANDIR}|"        > Makefile
 
diff --git a/libdirutils/dirutils_test.c b/libdirutils/dirutils_test.c
index 13eb48c..155ce88 100644
--- a/libdirutils/dirutils_test.c
+++ b/libdirutils/dirutils_test.c
@@ -46,6 +46,10 @@ test_exists(void)
         char            testnot[] = "testdata/nosuchfile";
         EXISTS_STATUS   ftype;
 
+
+	system("mkdir -p testdata/testdir");
+	system("touch testdata/testfile");
+
         ftype = path_exists(testdir);
         CU_ASSERT(EXISTS_DIR == ftype);
 
@@ -54,6 +58,9 @@ test_exists(void)
 
         ftype = path_exists(testnot);
         CU_ASSERT(EXISTS_NOENT == ftype);
+
+	system("rm -r testdata/testdir");
+	system("rm testdata/testfile");
 }
 
 static void