wget/m4/netinet_in_h.m4

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# netinet_in_h.m4 serial 5
dnl Copyright (C) 2006-2019 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_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"])
])