Import upstream version 1.28

[debian/tar] / m4 / close.m4

diff --git a/m4/close.m4 b/m4/close.m4
index fc131381af97fd7e3f3953eb79432769983b2265..68510c5c5212ed78324f9b0406e55409fd89c86d 100644 (file)
--- a/m4/close.m4
+++ b/m4/close.m4
@@ -1,26 +1,33 @@
-# close.m4 serial 5
-dnl Copyright (C) 2008-2011 Free Software Foundation, Inc.
+# close.m4 serial 8
+dnl Copyright (C) 2008-2014 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.
 
 AC_DEFUN([gl_FUNC_CLOSE],
 [
+  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+  AC_REQUIRE([gl_MSVC_INVAL])
+  if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
+    REPLACE_CLOSE=1
+  fi
   m4_ifdef([gl_PREREQ_SYS_H_WINSOCK2], [
     gl_PREREQ_SYS_H_WINSOCK2
     if test $UNISTD_H_HAVE_WINSOCK2_H = 1; then
       dnl Even if the 'socket' module is not used here, another part of the
       dnl application may use it and pass file descriptors that refer to
       dnl sockets to the close() function. So enable the support for sockets.
-      gl_REPLACE_CLOSE
+      REPLACE_CLOSE=1
+    fi
+  ])
+  dnl Replace close() for supporting the gnulib-defined fchdir() function,
+  dnl to keep fchdir's bookkeeping up-to-date.
+  m4_ifdef([gl_FUNC_FCHDIR], [
+    if test $REPLACE_CLOSE = 0; then
+      gl_TEST_FCHDIR
+      if test $HAVE_FCHDIR = 0; then
+        REPLACE_CLOSE=1
+      fi
     fi
   ])
-])
-
-AC_DEFUN([gl_REPLACE_CLOSE],
-[
-  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
-  REPLACE_CLOSE=1
-  AC_LIBOBJ([close])
-  gl_REPLACE_FCLOSE
 ])