Mercurial > gnulib

view m4/open-cloexec.m4 @ 40161:71ec1d2c1db9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gperf: Fix error when this module is required by some test module. * modules/gperf (Applicability): Set to 'all'.
author Bruno Haible <bruno@clisp.org>
date Sun, 27 Jan 2019 23:57:16 +0100
parents b06060465f09
children
line wrap: on
line source

# Test whether O_CLOEXEC is defined.

dnl Copyright 2017-2019 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_PREPROC_O_CLOEXEC],
[
  AC_CACHE_CHECK([for O_CLOEXEC],
    [gl_cv_macro_O_CLOEXEC],
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM([[#include <fcntl.h>
                          #ifndef O_CLOEXEC
                            choke me;
                          #endif
                        ]],
                        [[return O_CLOEXEC;]])],
       [gl_cv_macro_O_CLOEXEC=yes],
       [gl_cv_macro_O_CLOEXEC=no])])
])