forked from mirrors/tftp-hpa-google
Correct handing of "struct in_pktinfo"
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303adc9620
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1 changed files with 32 additions and 7 deletions
39
aclocal.m4
vendored
39
aclocal.m4
vendored
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@ -1,3 +1,16 @@
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dnl $Id$
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dnl -----------------------------------------------------------------------
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dnl
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dnl Copyright 1999-2002 H. Peter Anvin - All Rights Reserved
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dnl
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dnl This program is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU General Public License as published by
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dnl the Free Software Foundation, Inc., 53 Temple Place Ste 330,
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dnl Bostom MA 02111-1307, USA; either version 2 of the License, or
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dnl (at your option) any later version; incorporated herein by reference.
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dnl
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dnl -----------------------------------------------------------------------
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dnl --------------------------------------------------------------------------
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dnl PA_ADD_CFLAGS()
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dnl
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@ -58,22 +71,36 @@ dnl Look for definition of struct in_pktinfo, which at least has an
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dnl ipi_addr member. Some versions of glibc lack struct in_pktinfo;
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dnl if so we need to include the definition ourselves -- but we only
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dnl want to do that if absolutely necessary!
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dnl
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dnl We don't use AC_CHECK_MEMBER() here, since at least in autoconf 2.52
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dnl this is broken for a member of structure type.
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dnl ------------------------------------------------------------------------
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AH_TEMPLATE([HAVE_STRUCT_IN_PKTINFO],
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[Define if struct in_pktinfo is defined.])
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AC_DEFUN(PA_STRUCT_IN_PKTINFO,
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[AC_CHECK_MEMBER(struct in_pktinfo.ipi_addr,
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[AC_DEFINE(HAVE_STRUCT_IN_PKTINFO)],
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[],
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[
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[AC_MSG_CHECKING([for definition of struct in_pktinfo])
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AC_TRY_COMPILE(
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[
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <stdlib.h>
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#include <sys/uio.h>
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])])
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],
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[
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struct in_pktinfo pktinfo;
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int foo = sizeof(struct in_pktinfo);
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void *quux = (void *)(&pktinfo.ipi_addr);
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],
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[
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AC_DEFINE(HAVE_STRUCT_IN_PKTINFO)
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AC_MSG_RESULT(yes)
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],
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[
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AC_MSG_RESULT(no)
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])])
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dnl --------------------------------------------------------------------------
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dnl PA_HAVE_TCPWRAPPERS
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@ -177,5 +204,3 @@ int main()
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[
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AC_MSG_RESULT(no)
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])])
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dnl --------------------------------------------------------------------------
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