+# compile in PAM support?
+
+x_pam_on=no
+AC_ARG_WITH(pam,
+ [ --with-pam enable user authentication using PAM],
+ [ if test "$withval" != "no"; then
+ if test "$withval" != "yes"; then
+ CFLAGS="-I$withval/include $CFLAGS"
+ CPPFLAGS="-I$withval/include $CPPFLAGS"
+ LDFLAGS="-L$withval/lib $LDFLAGS"
+ fi
+ AC_CHECK_LIB(pam, pam_authenticate)
+ AC_CHECK_FUNCS(pam_authenticate, x_pam_on=yes,
+ AC_MSG_ERROR([Can't enable PAM support!])
+ )
+ fi
+ ]
+)
+if test "$x_pam_on" = "yes"; then
+ AC_DEFINE(PAM, 1)
+ AC_CHECK_HEADERS(security/pam_appl.h,pam_ok=yes)
+ if test "$pam_ok" != "yes"; then
+ AC_CHECK_HEADERS(pam/pam_appl.h,pam_ok=yes,
+ AC_MSG_ERROR([required C header missing!]))
+ fi
+fi
+