Mercurial > gnulib
view m4/open-cloexec.m4 @ 40204:db8428454956
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author | Karl Berry <karl@freefriends.org> |
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date | Sun, 03 Mar 2019 14:09:37 -0800 |
parents | b06060465f09 |
children |
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# 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])]) ])