--- at-3.1.13/configure.ac
+++ at-3.1.13/configure.ac
@@ -82,10 +82,15 @@
 AC_FUNC_VPRINTF
 AC_FUNC_GETLOADAVG
 AC_CHECK_FUNCS(getcwd mktime strftime setreuid setresuid sigaction waitpid)
-AC_CHECK_HEADERS(security/pam_appl.h, [
-  PAMLIB="-lpam"
-  AC_DEFINE(HAVE_PAM, 1, [Define to 1 for PAM support])
-])
+AC_ARG_WITH([pam], AS_HELP_STRING([--without-pam], 
+  [Build without PAM support(default: enabled)]))
+
+if test "x$with_pam" != "xno"; then
+  AC_CHECK_HEADERS(security/pam_appl.h, [
+    PAMLIB="-lpam"
+    AC_DEFINE(HAVE_PAM, 1, [Define to 1 for PAM support])
+  ])
+fi
 
 dnl Checking for programs