Kill _XOPEN_EXTENDED_SOURCE -- causes problems on some OSes

CHANGES

@@ -1072,9 +1072,9 @@ Sudo 1.5.9 released.
      to anything real.  Instead, we just use a max password size of 256
      everywhere.
 
-337) Block many signals during startup and restore signal mask before exec'ing
-     the program.  We don't want the user to be able to simply kill us and
-     avoid logging.
+337) Block all signals during startup (for non-POSIX signals we only block
+     some of them) and restore signal mask before exec'ing the program.
+     We don't want the user to be able to simply kill us and avoid logging.
 
 338) Rewrote timestamp handling.  For the default case, a directory is used
      instead of a file.  For the tty-based case, the timestamp is just a
@@ -1086,8 +1086,8 @@ Sudo 1.5.9 released.
 339) The meaning of -k has changed to mean "invalidate the timestamp".
      There is a new -K option to really remove the timestamp file/dir.
 
-340) New modular authentication API.  This fixes the nest of #ifdefs that
-     was the old auth code.
+340) New modular authentication API.  This fixes the rat's nest of
+     #ifdefs that was the old auth code.
 
 341) New logging functions.  log_error() now takes a variable number of
      args ala printf() and log_auth() reacts to the return value of validate().

config.h.in

@@ -72,13 +72,6 @@
 #undef _POSIX_SOURCE
 #endif
 
-/* Define if needed to get X/Open extended functionality.
-   System headers sometimes define this.
-   We just want to avoid a redefinition error message.  */
-#ifndef _XOPEN_SOURCE_EXTENDED
-#undef _XOPEN_SOURCE_EXTENDED
-#endif
-
 /* Define to `int' if <sys/types.h> doesn't define.  */
 #undef uid_t
 

configure.in

@@ -1340,11 +1340,6 @@ case "$host" in
 		;;
 esac
 
-dnl
-dnl We define this to get a crypt() prototype on some systems
-dnl
-AC_DEFINE(_XOPEN_SOURCE_EXTENDED)
-
 dnl
 dnl Check for shadow password routines if we have not already done so.
 dnl We check for SVR4-style first and then SecureWare-style.