1 # netinet_in_h.m4 serial 5
2 dnl Copyright (C) 2006-2020 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_HEADER_NETINET_IN],
9 AC_CACHE_CHECK([whether <netinet/in.h> is self-contained],
10 [gl_cv_header_netinet_in_h_selfcontained],
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])
16 if test $gl_cv_header_netinet_in_h_selfcontained = yes; then
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 $ac_cv_header_netinet_in_h = yes; then
27 AC_SUBST([HAVE_NETINET_IN_H])
29 AC_SUBST([NETINET_IN_H])
30 AM_CONDITIONAL([GL_GENERATE_NETINET_IN_H], [test -n "$NETINET_IN_H"])