Import upstream version 1.27

[debian/tar] / m4 / write.m4

diff --git a/m4/write.m4 b/m4/write.m4
index 8695c89623f50ca46897f90a504fb7be6f68344e..a79b2cc921791de545faa3e699f1a0c10bd6c5cf 100644 (file)
--- a/m4/write.m4
+++ b/m4/write.m4
@@ -1,5 +1,5 @@
-# write.m4 serial 1
-dnl Copyright (C) 2008-2011 Free Software Foundation, Inc.
+# write.m4 serial 5
+dnl Copyright (C) 2008-2013 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -7,6 +7,10 @@ dnl with or without modifications, as long as this notice is preserved.
 AC_DEFUN([gl_FUNC_WRITE],
 [
   AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+  AC_REQUIRE([gl_MSVC_INVAL])
+  if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
+    REPLACE_WRITE=1
+  fi
   dnl This ifdef is just an optimization, to avoid performing a configure
   dnl check whose result is not used. It does not make the test of
   dnl GNULIB_UNISTD_H_SIGPIPE or GNULIB_SIGPIPE redundant.
@@ -14,7 +18,15 @@ AC_DEFUN([gl_FUNC_WRITE],
     gl_SIGNAL_SIGPIPE
     if test $gl_cv_header_signal_h_SIGPIPE != yes; then
       REPLACE_WRITE=1
-      AC_LIBOBJ([write])
+    fi
+  ])
+  m4_ifdef([gl_NONBLOCKING_IO], [
+    gl_NONBLOCKING_IO
+    if test $gl_cv_have_nonblocking != yes; then
+      REPLACE_WRITE=1
     fi
   ])
 ])
+
+# Prerequisites of lib/write.c.
+AC_DEFUN([gl_PREREQ_WRITE], [:])