Imported Upstream version 1.4.16+git20130902

gl/m4/open.m4

@@ -1,74 +0,0 @@
-# open.m4 serial 8
-dnl Copyright (C) 2007-2010 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_OPEN],
-[
-  AC_REQUIRE([AC_CANONICAL_HOST])
-  case "$host_os" in
-    mingw* | pw*)
-      gl_REPLACE_OPEN
-      ;;
-    *)
-      dnl open("foo/") should not create a file when the file name has a
-      dnl trailing slash.  FreeBSD only has the problem on symlinks.
-      AC_CHECK_FUNCS_ONCE([lstat])
-      AC_CACHE_CHECK([whether open recognizes a trailing slash],
-        [gl_cv_func_open_slash],
-        [# Assume that if we have lstat, we can also check symlinks.
-          if test $ac_cv_func_lstat = yes; then
-            touch conftest.tmp
-            ln -s conftest.tmp conftest.lnk
-          fi
-          AC_TRY_RUN([
-#include <fcntl.h>
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-int main ()
-{
-#if HAVE_LSTAT
-  if (open ("conftest.lnk/", O_RDONLY) != -1) return 2;
-#endif
-  return open ("conftest.sl/", O_CREAT, 0600) >= 0;
-}], [gl_cv_func_open_slash=yes], [gl_cv_func_open_slash=no],
-            [
-changequote(,)dnl
-             case "$host_os" in
-               freebsd*)        gl_cv_func_open_slash="guessing no" ;;
-               solaris2.[0-9]*) gl_cv_func_open_slash="guessing no" ;;
-               hpux*)           gl_cv_func_open_slash="guessing no" ;;
-               *)               gl_cv_func_open_slash="guessing yes" ;;
-             esac
-changequote([,])dnl
-            ])
-          rm -f conftest.sl conftest.tmp conftest.lnk
-        ])
-      case "$gl_cv_func_open_slash" in
-        *no)
-          AC_DEFINE([OPEN_TRAILING_SLASH_BUG], [1],
-            [Define to 1 if open() fails to recognize a trailing slash.])
-          gl_REPLACE_OPEN
-          ;;
-      esac
-      ;;
-  esac
-])
-
-AC_DEFUN([gl_REPLACE_OPEN],
-[
-  AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
-  REPLACE_OPEN=1
-  AC_LIBOBJ([open])
-  gl_PREREQ_OPEN
-])
-
-# Prerequisites of lib/open.c.
-AC_DEFUN([gl_PREREQ_OPEN],
-[
-  AC_REQUIRE([AC_C_INLINE])
-  AC_REQUIRE([gl_PROMOTED_TYPE_MODE_T])
-  :
-])