X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fread.m4;h=69aeb09637bbe4aefef0dc1f65a1619bb148ed30;hb=6b168421262adda71eed4cca137c34c1a9d6b981;hp=032761f1bab7e4bf79d1d35b4c98131ffcf225dd;hpb=acc203f3da092e2ee94eff8f9c85e1fdc61315cf;p=gnulib.git

diff --git a/m4/read.m4 b/m4/read.m4
index 032761f1b..69aeb0963 100644
--- a/m4/read.m4
+++ b/m4/read.m4
@@ -1,5 +1,5 @@
-# read.m4 serial 1
-dnl Copyright (C) 2011 Free Software Foundation, Inc.
+# read.m4 serial 3
+dnl Copyright (C) 2011-2012 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_READ],
 [
   AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+  AC_REQUIRE([gl_MSVC_INVAL])
+  if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
+    REPLACE_READ=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_NONBLOCKING or GNULIB_NONBLOCKING redundant.
@@ -14,7 +18,12 @@ AC_DEFUN([gl_FUNC_READ],
     gl_NONBLOCKING_IO
     if test $gl_cv_have_nonblocking != yes; then
       REPLACE_READ=1
-      AC_LIBOBJ([read])
     fi
   ])
 ])
+
+# Prerequisites of lib/read.c.
+AC_DEFUN([gl_PREREQ_READ],
+[
+  AC_REQUIRE([AC_C_INLINE])
+])