diff --git a/Makefile.am b/Makefile.am
index bfac56b..40710fc 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -2,10 +2,13 @@ NULL =
 SUBDIRS= \
 	src \
 	po \
-	pam \
 	data \
 	$(NULL)
 
+if HAVE_PAM
+SUBDIRS += pam
+endif
+
 rpm: dist @PACKAGE_NAME@.spec
 	rpmbuild -bb \
 	--define "_sourcedir `pwd`" \
diff --git a/configure.ac b/configure.ac
index ae5177f..aaa1bad 100644
--- a/configure.ac
+++ b/configure.ac
@@ -27,6 +27,7 @@ if test "x$USE_PAM" != "xno" ; then
 			AC_MSG_ERROR(["PAM support requested, but pam_open_session not found."])
 		 fi])
 fi
+AM_CONDITIONAL(HAVE_PAM, [test -n "$USE_PAM" -a "x$USE_PAM" != xno ])
 
 # Checks for header files.
 AC_PATH_X