m4/netinet_in_h.m4

   1 # netinet_in_h.m4
   2 # serial 6
   3 dnl Copyright (C) 2006-2024 Free Software Foundation, Inc.
   4 dnl This file is free software; the Free Software Foundation
   5 dnl gives unlimited permission to copy and/or distribute it,
   6 dnl with or without modifications, as long as this notice is preserved.
   7
   8 AC_DEFUN([gl_HEADER_NETINET_IN],
   9 [
  10   AC_CACHE_CHECK([whether <netinet/in.h> is self-contained],
  11     [gl_cv_header_netinet_in_h_selfcontained],
  12     [
  13       AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>]], [[]])],
  14         [gl_cv_header_netinet_in_h_selfcontained=yes],
  15         [gl_cv_header_netinet_in_h_selfcontained=no])
  16     ])
  17   if test $gl_cv_header_netinet_in_h_selfcontained = yes; then
  18     GL_GENERATE_NETINET_IN_H=false
  19   else
  20     GL_GENERATE_NETINET_IN_H=true
  21     AC_CHECK_HEADERS([netinet/in.h])
  22     gl_CHECK_NEXT_HEADERS([netinet/in.h])
  23     if test $ac_cv_header_netinet_in_h = yes; then
  24       HAVE_NETINET_IN_H=1
  25     else
  26       HAVE_NETINET_IN_H=0
  27     fi
  28     AC_SUBST([HAVE_NETINET_IN_H])
  29   fi
  30 ])