25122: use AC_SYS_LARGEFILE for better LFS detection.

ChangeLog

@@ -1,3 +1,8 @@
+2008-05-31  Clint Adams  <clint@zsh.org>
+
+	* 25122: aczsh.m4, configure.ac: use AC_SYS_LARGEFILE for better
+	LFS detection.
+
 2008-05-29  Peter Stephenson  <pws@csr.com>
 
 	* unposted: Doc/Zsh/tcpsys.yo, Functions/TCP/tcp_fd_handler:

aczsh.m4

@@ -24,57 +24,6 @@ dnl  Zsh Development Group have no obligation to provide maintenance,
 dnl  support, updates, enhancements, or modifications.
 dnl
 
-dnl
-dnl Code from the configure system for bash 2.03 (not zsh copyright).
-dnl If available, use support for large files unless the user specified
-dnl one of the CPPFLAGS, LDFLAGS, or LIBS variables (<eggert@twinsun.com>
-dnl via GNU patch 2.5)
-dnl
-AC_DEFUN(zsh_LARGE_FILE_SUPPORT,
-[AC_MSG_CHECKING(whether large file support needs explicit enabling)
-ac_getconfs=''
-ac_result=yes
-ac_set=''
-ac_shellvars='CPPFLAGS LDFLAGS LIBS'
-for ac_shellvar in $ac_shellvars; do
-  case $ac_shellvar in
-  CPPFLAGS) ac_lfsvar=LFS_CFLAGS ;;
-  *) ac_lfsvar=LFS_$ac_shellvar ;;
-  esac
-  (getconf $ac_lfsvar) >/dev/null 2>&1 || { ac_result=no; break; }
-  ac_getconf=`getconf $ac_lfsvar`
-  if test -n "$ac_getconf" && test "$ac_getconf" != "undefined"; then
-    eval test '"${'$ac_shellvar'+set}"' = set && ac_set=$ac_shellvar
-    ac_getconfs=$ac_getconfs$ac_getconf
-    eval ac_test_$ac_shellvar="\$ac_getconf"
-  else
-    eval ac_test_$ac_shellvar="\$$ac_shellvar"
-  fi
-done
-case "$ac_result$ac_getconfs" in
-yes) ac_result=no ;;
-esac
-case "$ac_result$ac_set" in
-yes?*) test "x$ac_set" != "xLDFLAGS" -o "x$auto_ldflags" = x && {
-  ac_result="yes, but $ac_set is already set, so use its settings"
-}
-esac
-AC_MSG_RESULT($ac_result)
-case $ac_result in
-yes)
-  for ac_shellvar in $ac_shellvars; do
-    case "`eval echo $ac_shellvar-\\\$ac_test_$ac_shellvar`" in
-      CPPFLAGS*-D_LARGEFILE_SOURCE*) eval $ac_shellvar=\$ac_test_$ac_shellvar
-	;;
-      CPPFLAGS*) 
-        eval $ac_shellvar="\"-D_LARGEFILE_SOURCE \$ac_test_$ac_shellvar\""
-	;;
-      *) eval $ac_shellvar=\$ac_test_$ac_shellvar
-    esac
-  done ;;
-esac
-])
-
 dnl
 dnl zsh_64_BIT_TYPE
 dnl   Check whether the first argument works as a 64-bit type.

configure.ac

@@ -375,7 +375,7 @@ dnl Any takers?
   if test "$host" = mips-sni-sysv4 && test -n "$GCC"; then
     : 
   else
-    zsh_LARGE_FILE_SUPPORT
+    AC_SYS_LARGEFILE
   fi
 fi