gnulib: update to 776af40e0

[deliverable/binutils-gdb.git] / gnulib / import / m4 / getdtablesize.m4

diff --git a/gnulib/import/m4/getdtablesize.m4 b/gnulib/import/m4/getdtablesize.m4
index ab2e3feb37ba4357de2d40e5d3b306e61917b3ec..8fbc941898fad1bb2b26156fae6729e14ac9cec7 100644 (file)
--- a/gnulib/import/m4/getdtablesize.m4
+++ b/gnulib/import/m4/getdtablesize.m4
@@ -1,5 +1,5 @@
-# getdtablesize.m4 serial 7
-dnl Copyright (C) 2008-2020 Free Software Foundation, Inc.
+# getdtablesize.m4 serial 8
+dnl Copyright (C) 2008-2021 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.
@@ -29,13 +29,16 @@ AC_DEFUN([gl_FUNC_GETDTABLESIZE],
            dnl correctly require setrlimit before getdtablesize() can report
            dnl a larger value.
            AC_RUN_IFELSE([
-             AC_LANG_PROGRAM([[#include <unistd.h>]],
-               [int size = getdtablesize();
-                if (dup2 (0, getdtablesize()) != -1)
-                  return 1;
-                if (size != getdtablesize())
-                  return 2;
-               ])],
+             AC_LANG_PROGRAM(
+               [[#include <unistd.h>]
+                GL_MDA_DEFINES
+               ],
+               [[int size = getdtablesize();
+                 if (dup2 (0, getdtablesize()) != -1)
+                   return 1;
+                 if (size != getdtablesize())
+                   return 2;
+               ]])],
              [gl_cv_func_getdtablesize_works=yes],
              [gl_cv_func_getdtablesize_works=no],
              [case "$host_os" in