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- # Test whether O_CLOEXEC is defined.
- dnl Copyright 2017-2021 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])])
- ])
|
