1# netinet_in_h.m4 serial 5
2dnl Copyright (C) 2006-2013 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7AC_DEFUN([gl_HEADER_NETINET_IN],
8[
9  AC_CACHE_CHECK([whether <netinet/in.h> is self-contained],
10    [gl_cv_header_netinet_in_h_selfcontained],
11    [
12      AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>]], [[]])],
13        [gl_cv_header_netinet_in_h_selfcontained=yes],
14        [gl_cv_header_netinet_in_h_selfcontained=no])
15    ])
16  if test $gl_cv_header_netinet_in_h_selfcontained = yes; then
17    NETINET_IN_H=''
18  else
19    NETINET_IN_H='netinet/in.h'
20    AC_CHECK_HEADERS([netinet/in.h])
21    gl_CHECK_NEXT_HEADERS([netinet/in.h])
22    if test $ac_cv_header_netinet_in_h = yes; then
23      HAVE_NETINET_IN_H=1
24    else
25      HAVE_NETINET_IN_H=0
26    fi
27    AC_SUBST([HAVE_NETINET_IN_H])
28  fi
29  AC_SUBST([NETINET_IN_H])
30  AM_CONDITIONAL([GL_GENERATE_NETINET_IN_H], [test -n "$NETINET_IN_H"])
31])
32