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extern-inline: do not always suppress extern inline on OS X * m4/extern-inline.m4 (gl_EXTERN_INLINE): Suppress the use of extern inline on Apple only if the particular compile-time configuration is known to have the problem. (_GL_EXTERN_INLINE_APPLE_BUG): New private macro, to implement this. (_GL_EXTERN_LNLINE_IN_USE): New macro, intended for use by other Gnulib modules.
author Paul Eggert <eggert@cs.ucla.edu>
date Thu, 19 Sep 2013 13:21:39 -0700
parents e542fd46ad6f
children 344018b6e5d7
line wrap: on
line source

# accept4.m4 serial 2
dnl Copyright (C) 2009-2013 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_FUNC_ACCEPT4],
[
  AC_REQUIRE([gl_SYS_SOCKET_H_DEFAULTS])

  dnl Persuade glibc <sys/socket.h> to declare accept4().
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  AC_CHECK_FUNCS_ONCE([accept4])
  if test $ac_cv_func_accept4 != yes; then
    HAVE_ACCEPT4=0
  fi
])