mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-11-23 07:19:15 +00:00
22 lines
723 B
Plaintext
22 lines
723 B
Plaintext
# Test whether O_CLOEXEC is defined.
|
|
|
|
dnl Copyright 2017-2023 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])])
|
|
])
|