1 files changed, 0 insertions, 140 deletions
diff --git a/m4/getcwd-abort-bug.m4 b/m4/getcwd-abort-bug.m4
deleted file mode 100644
index 84ecf859..00000000
--- a/m4/getcwd-abort-bug.m4
+++ /dev/null
@@ -1,140 +0,0 @@
-# serial 7
-# Determine whether getcwd aborts when the length of the working directory
-# name is unusually large.  Any length between 4k and 16k trigger the bug
-# when using glibc-2.4.90-9 or older.
-
-# Copyright (C) 2006, 2009-2017 Free Software Foundation, Inc.
-# This file is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# From Jim Meyering
-
-# gl_FUNC_GETCWD_ABORT_BUG([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
-AC_DEFUN([gl_FUNC_GETCWD_ABORT_BUG],
-[
-  AC_CHECK_DECLS_ONCE([getcwd])
-  AC_CHECK_HEADERS_ONCE([unistd.h])
-  AC_REQUIRE([gl_PATHMAX_SNIPPET_PREREQ])
-  AC_CHECK_FUNCS([getpagesize])
-  AC_CACHE_CHECK([whether getcwd aborts when 4k < cwd_length < 16k],
-    gl_cv_func_getcwd_abort_bug,
-    [# Remove any remnants of a previous test.
-     rm -rf confdir-14B---
-     # Arrange for deletion of the temporary directory this test creates.
-     ac_clean_files="$ac_clean_files confdir-14B---"
-     dnl Please keep this in sync with tests/test-getcwd.c.
-     AC_RUN_IFELSE(
-       [AC_LANG_SOURCE(
-          [[
-#include <errno.h>
-#include <stdlib.h>
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#else /* on Windows with MSVC */
-# include <direct.h>
-#endif
-#include <string.h>
-#include <sys/stat.h>
-
-]gl_PATHMAX_SNIPPET[
-
-/* Don't get link errors because mkdir is redefined to rpl_mkdir.  */
-#undef mkdir
-
-#ifndef S_IRWXU
-# define S_IRWXU 0700
-#endif
-
-/* FIXME: skip the run-test altogether on systems without getpagesize.  */
-#if ! HAVE_GETPAGESIZE
-# define getpagesize() 0
-#endif
-
-/* This size is chosen to be larger than PATH_MAX (4k), yet smaller than
-   the 16kB pagesize on ia64 linux.  Those conditions make the code below
-   trigger a bug in glibc's getcwd implementation before 2.4.90-10.  */
-#define TARGET_LEN (5 * 1024)
-
-int
-main ()
-{
-  char *cwd;
-  size_t initial_cwd_len;
-  int fail = 0;
-
-  /* The bug is triggered when PATH_MAX < getpagesize (), so skip
-     this relatively expensive and invasive test if that's not true.  */
-#ifdef PATH_MAX
-  int bug_possible = PATH_MAX < getpagesize ();
-#else
-  int bug_possible = 0;
-#endif
-  if (! bug_possible)
-    return 0;
-
-  cwd = getcwd (NULL, 0);
-  if (cwd == NULL)
-    return 2;
-
-  initial_cwd_len = strlen (cwd);
-  free (cwd);
-
-  if (1)
-    {
-      static char const dir_name[] = "confdir-14B---";
-      size_t desired_depth = ((TARGET_LEN - 1 - initial_cwd_len)
-                              / sizeof dir_name);
-      size_t d;
-      for (d = 0; d < desired_depth; d++)
-        {
-          if (mkdir (dir_name, S_IRWXU) < 0 || chdir (dir_name) < 0)
-            {
-              if (! (errno == ERANGE || errno == ENAMETOOLONG
-                     || errno == ENOENT))
-                fail = 3; /* Unable to construct deep hierarchy.  */
-              break;
-            }
-        }
-
-      /* If libc has the bug in question, this invocation of getcwd
-         results in a failed assertion.  */
-      cwd = getcwd (NULL, 0);
-      if (cwd == NULL)
-        fail = 4; /* getcwd didn't assert, but it failed for a long name
-                     where the answer could have been learned.  */
-      free (cwd);
-
-      /* Call rmdir first, in case the above chdir failed.  */
-      rmdir (dir_name);
-      while (0 < d--)
-        {
-          if (chdir ("..") < 0)
-            {
-              fail = 5;
-              break;
-            }
-          rmdir (dir_name);
-        }
-    }
-
-  return fail;
-}
-          ]])],
-    [gl_cv_func_getcwd_abort_bug=no],
-    [dnl An abort will provoke an exit code of something like 134 (128 + 6).
-     dnl An exit code of 4 can also occur (in OpenBSD 4.9, NetBSD 5.1 for
-     dnl example): getcwd (NULL, 0) fails rather than returning a string
-     dnl longer than PATH_MAX.  This may be POSIX compliant (in some
-     dnl interpretations of POSIX).  But gnulib's getcwd module wants to
-     dnl provide a non-NULL value in this case.
-     ret=$?
-     if test $ret -ge 128 || test $ret = 4; then
-       gl_cv_func_getcwd_abort_bug=yes
-     else
-       gl_cv_func_getcwd_abort_bug=no
-     fi],
-    [gl_cv_func_getcwd_abort_bug=yes])
-  ])
-  AS_IF([test $gl_cv_func_getcwd_abort_bug = yes], [$1], [$2])
-])