# netinet_in_h.m4 serial 5

dnl Copyright (C) 2006-2018 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_HEADER_NETINET_IN],

[

  AC_CACHE_CHECK([whether <netinet/in.h> is self-contained],

    [gl_cv_header_netinet_in_h_selfcontained],

    [

      AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>]], [[]])],

        [gl_cv_header_netinet_in_h_selfcontained=yes],

        [gl_cv_header_netinet_in_h_selfcontained=no])

    ])

  if test $gl_cv_header_netinet_in_h_selfcontained = yes; then

    NETINET_IN_H=''

  else

    NETINET_IN_H='netinet/in.h'

    AC_CHECK_HEADERS([netinet/in.h])

    gl_CHECK_NEXT_HEADERS([netinet/in.h])

    if test $ac_cv_header_netinet_in_h = yes; then

      HAVE_NETINET_IN_H=1

    else

      HAVE_NETINET_IN_H=0

    fi

    AC_SUBST([HAVE_NETINET_IN_H])

  fi

  AC_SUBST([NETINET_IN_H])

  AM_CONDITIONAL([GL_GENERATE_NETINET_IN_H], [test -n "$NETINET_IN_H"])

])