- Added autoconf test and macro to deal with old PAM libraries

   pam_strerror definition (one arg vs two).

1 files changed, 18 insertions, 3 deletions

diff --git a/configure.in b/configure.in
index 1fe0c30b4..0678fa4c8 100644
--- a/configure.in
+++ b/configure.in
@@ -77,7 +77,7 @@ AC_CHECK_SIZEOF(long int, 4)
 AC_CHECK_SIZEOF(long long int, 8)
 
 dnl More checks for data types
-AC_MSG_CHECKING([For quad_t])
+AC_MSG_CHECKING([for quad_t])
 AC_TRY_COMPILE(
         [#include <sys/types.h>], 
         [quad_t a; a = 1235;], 
@@ -88,7 +88,7 @@ AC_TRY_COMPILE(
         [AC_MSG_RESULT(no)]
 ) 
 
-AC_MSG_CHECKING([For intXX_t types])
+AC_MSG_CHECKING([for intXX_t types])
 AC_TRY_COMPILE(
         [#include <sys/types.h>], 
         [int16_t a; int32_t b; a = 1235; b = 1235;], 
@@ -99,7 +99,7 @@ AC_TRY_COMPILE(
         [AC_MSG_RESULT(no)]
 ) 
 
-AC_MSG_CHECKING([For u_intXX_t types])
+AC_MSG_CHECKING([for u_intXX_t types])
 AC_TRY_COMPILE(
         [#include <sys/types.h>], 
         [u_int16_t c; u_int32_t d; c = 1235; d = 1235;], 
@@ -121,6 +121,21 @@ AC_TRY_COMPILE(
         [AC_MSG_RESULT(no)]
 ) 
 
+dnl Check PAM strerror arguments
+AC_MSG_CHECKING([whether pam_strerror takes only one argument])
+AC_TRY_COMPILE(
+        [
+                #include <stdlib.h>
+                #include <security/pam_appl.h>
+        ], 
+        [(void)pam_strerror((pam_handle_t *)NULL, -1);], 
+        [AC_MSG_RESULT(no)],
+        [
+                AC_DEFINE(HAVE_OLD_PAM)
+                AC_MSG_RESULT(yes)
+        ]
+) 
+
 dnl Check whether use wants to disable the external ssh-askpass
 INSTALL_ASKPASS="yes"
 AC_MSG_CHECKING([whether to enable external ssh-askpass support])