22 lines
583 B
Diff
22 lines
583 B
Diff
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diff --git a/common/socket.c b/common/socket.c
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index 036f7ae..6f56740 100644
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--- a/common/socket.c
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+++ b/common/socket.c
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@@ -40,11 +40,16 @@
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* I have implemented it under Linux; other systems should be doable also.
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*/
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+#ifndef _GNU_SOURCE
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+#define _GNU_SOURCE
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+#endif
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#include "dhcpd.h"
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#include <errno.h>
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#include <sys/ioctl.h>
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#include <sys/uio.h>
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#include <sys/uio.h>
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+#include <netinet/in.h> /* for struct in6_pktinfo, with glibc >= 2.10.1
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+ _GNU_SOURCE required to enable it */
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#ifdef USE_SOCKET_FALLBACK
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# if !defined (USE_SOCKET_SEND)
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