1 files changed, 22 insertions, 0 deletions

diff --git a/configure.in b/configure.in
index d9a87d8e6..ca433e569 100644
--- a/configure.in
+++ b/configure.in
@@ -236,6 +236,8 @@ if (test -z "$no_pam" && test "x$ac_cv_header_security_pam_appl_h" = "xyes") ; t
 
         AC_CHECK_FUNCS(pam_getenvlist)
 
+        disable_shadow=yes
+
         PAM_MSG="yes"
 
         # Check PAM strerror arguments (old PAM)
@@ -933,10 +935,30 @@ AC_ARG_WITH(shadow,
         [
                 if test "x$withval" = "xno" ; then      
                         AC_DEFINE(DISABLE_SHADOW)
+                        disable_shadow=yes
                 fi
         ]
 )
 
+if test -z "$disable_shadow" ; then
+        AC_MSG_CHECKING([if the systems has expire shadow information])
+        AC_TRY_COMPILE(
+        [
+#include <sys/types.h>
+#include <shadow.h>
+        struct spwd sp;
+        ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
+        [ sp_expire_available=yes ], []
+        )
+
+        if test "x$sp_expire_available" = "xyes" ; then
+                AC_MSG_RESULT(yes)
+                AC_DEFINE(HAS_SHADOW_EXPIRE)
+        else
+                AC_MSG_RESULT(no)
+        fi
+fi
+
 # Use ip address instead of hostname in $DISPLAY
 DISPLAY_HACK_MSG="no" 
 AC_ARG_WITH(ipaddr-display,