2 dnl Copyright (C) 2011-2012 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_FUNC_FDOPEN],
9 AC_REQUIRE([gl_STDIO_H_DEFAULTS])
10 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
11 AC_REQUIRE([gl_MSVC_INVAL])
12 if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
15 dnl Test whether fdopen() sets errno when it fails due to a bad fd argument.
16 AC_CACHE_CHECK([whether fdopen sets errno], [gl_cv_func_fdopen_works],
27 fp = fdopen (-1, "r");
34 [gl_cv_func_fdopen_works=yes],
35 [gl_cv_func_fdopen_works=no],
37 mingw*) gl_cv_func_fdopen_works="guessing no" ;;
38 *) gl_cv_func_fdopen_works="guessing yes" ;;
42 case "$gl_cv_func_fdopen_works" in
43 *no) REPLACE_FDOPEN=1 ;;
48 dnl Prerequisites of lib/fdopen.c.
49 AC_DEFUN([gl_PREREQ_FDOPEN], [])