Upstream-Status: Pending

Subject: configure.ac: support disabling largefile

Do not check off_t size when largefile is disabled.

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
---
 configure.ac | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/configure.ac b/configure.ac
index df20991..14ff7ac 100644
--- a/configure.ac
+++ b/configure.ac
@@ -306,13 +306,18 @@ if test x$grub_cv_apple_cc = xyes ; then
   HOST_LDFLAGS="$HOST_LDFLAGS -Wl,-allow_stack_execute"
 fi
 
-case "$host_os" in
-  cygwin | windows* | mingw32* | aros*)
-     ;;
-  *)
-     AC_CHECK_SIZEOF(off_t)
-     test x"$ac_cv_sizeof_off_t" = x8 || AC_MSG_ERROR([Large file support is required]);;
-esac
+AC_ARG_ENABLE([largefile],
+              [AS_HELP_STRING([--enable-largefile],
+                             [Enable large file support (default=guessed)])])
+if test x"$enable_largefile" = xyes ; then
+  case "$host_os" in
+    cygwin | windows* | mingw32* | aros*)
+       ;;
+    *)
+       AC_CHECK_SIZEOF(off_t)
+       test x"$ac_cv_sizeof_off_t" = x8 || AC_MSG_ERROR([Large file support is required]);;
+  esac
+fi
 
 if test x$USE_NLS = xno; then
   HOST_CFLAGS="$HOST_CFLAGS -fno-builtin-gettext"
-- 
1.9.1