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From 3cd5b95ad2e9ca7d39e2dffe79f9198a36a0e68e Mon Sep 17 00:00:00 2001
From: rofl0r <retnyg@gmx.net>
Date: Wed, 22 Jan 2014 00:48:28 +0100
Subject: [PATCH] libc-compat.h: fix some issues arising from in6.h
namely redefinition of some structs provided by netinet/in.h.
---
generic/include/linux/libc-compat.h | 23 +++++++----------------
1 file changed, 7 insertions(+), 16 deletions(-)
Index: linux-4.1/include/uapi/linux/libc-compat.h
===================================================================
--- linux-4.1.orig/include/uapi/linux/libc-compat.h
+++ linux-4.1/include/uapi/linux/libc-compat.h
@@ -48,24 +48,15 @@
#ifndef _UAPI_LIBC_COMPAT_H
#define _UAPI_LIBC_COMPAT_H
-/* We have included glibc headers... */
-#if defined(__GLIBC__)
+#ifndef __KERNEL__ /* we're used from userspace */
-/* Coordinate with glibc netinet/in.h header. */
+/* Coordinate with libc netinet/in.h header. */
#if defined(_NETINET_IN_H)
-/* GLIBC headers included first so don't define anything
+/* libc headers included first so don't define anything
* that would already be defined. */
#define __UAPI_DEF_IN6_ADDR 0
-/* The exception is the in6_addr macros which must be defined
- * if the glibc code didn't define them. This guard matches
- * the guard in glibc/inet/netinet/in.h which defines the
- * additional in6_addr macros e.g. s6_addr16, and s6_addr32. */
-#if defined(__USE_MISC) || defined (__USE_GNU)
#define __UAPI_DEF_IN6_ADDR_ALT 0
-#else
-#define __UAPI_DEF_IN6_ADDR_ALT 1
-#endif
#define __UAPI_DEF_SOCKADDR_IN6 0
#define __UAPI_DEF_IPV6_MREQ 0
#define __UAPI_DEF_IPPROTO_V6 0
@@ -73,13 +64,13 @@
#define __UAPI_DEF_IN6_PKTINFO 0
#define __UAPI_DEF_IP6_MTUINFO 0
-#else
+#else /* defined(_NETINET_IN_H) */
/* Linux headers included first, and we must define everything
- * we need. The expectation is that glibc will check the
+ * we need. The expectation is that the libc will check the
* __UAPI_DEF_* defines and adjust appropriately. */
#define __UAPI_DEF_IN6_ADDR 1
-/* We unconditionally define the in6_addr macros and glibc must
+/* We unconditionally define the in6_addr macros and libc must
* coordinate. */
#define __UAPI_DEF_IN6_ADDR_ALT 1
#define __UAPI_DEF_SOCKADDR_IN6 1
@@ -101,7 +92,7 @@
/* If we did not see any headers from any supported C libraries,
* or we are being included in the kernel, then define everything
* that we need. */
-#else /* !defined(__GLIBC__) */
+#else /* __KERNEL__ */
/* Definitions for in6.h */
#define __UAPI_DEF_IN6_ADDR 1
@@ -116,6 +107,6 @@
/* Definitions for xattr.h */
#define __UAPI_DEF_XATTR 1
-#endif /* __GLIBC__ */
+#endif /* __KERNEL__ */
#endif /* _UAPI_LIBC_COMPAT_H */
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