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package/socat: fix build issue

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Fix two build issue when socat is build with musl:
  - Set NETDB_INTERNAL locally since it's not provided by musl
  - remove if_tun.h kernel header

Fixes:
http://autobuild.buildroot.net/results/029/02977d3844ef62b1e9cbfbab244593632757c5e2

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Romain Naour 2016-08-28 22:18:53 +02:00 committed by Thomas Petazzoni
parent 250ed6568a
commit ec1cbd8ea7
2 changed files with 126 additions and 0 deletions
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35
package/socat/0003-compat-set-NETDB_INTERNAL.patch Normal file
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@ -0,0 +1,35 @@
From e7804d1750652e39c7a5803d360b29b2637a695f Mon Sep 17 00:00:00 2001
From: Romain Naour <romain.naour@gmail.com>
Date: Sun, 28 Aug 2016 21:04:01 +0200
Subject: [PATCH] compat: set NETDB_INTERNAL
Musl doesn't provide NETDB_INTERNAL which is defined in resolv/netdb.h
in Glibc [1].
Set NETDB_INTERNAL to -1 locally if not already defined.
Based on [2].
[1] https://sourceware.org/git/?p=glibc.git;a=blob;f=resolv/netdb.h;h=3aba530932c7a62a4f23e3193e9186da677f552b;hb=fdfc9260b61d3d72541f18104d24c7bcb0ce5ca2#l74
[2] http://git.alpinelinux.org/cgit/aports/tree/main/socat/netdb-internal.patch?id=5a45173b50892cb634197c30b3506ebff98d3b7d
Signed-off-by: Romain Naour <romain.naour@gmail.com>
---
compat.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/compat.h b/compat.h
index 19a929f..4f5ee6d 100644
--- a/compat.h
+++ b/compat.h
@@ -666,6 +666,8 @@ typedef int sig_atomic_t;
#if !defined(NETDB_INTERNAL) && defined(h_NETDB_INTERNAL)
# define NETDB_INTERNAL h_NETDB_INTERNAL
+#elif !defined(NETDB_INTERNAL)
+# define NETDB_INTERNAL (-1)
#endif
#ifndef INET_ADDRSTRLEN
--
2.5.5

91
package/socat/0004-xio-tun-remove-if_tun.h-kernel-header.patch Normal file
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@ -0,0 +1,91 @@
From 1c141194e3587cc8124e5f4512dc3030e5a104b1 Mon Sep 17 00:00:00 2001
From: Romain Naour <romain.naour@gmail.com>
Date: Sun, 28 Aug 2016 22:06:09 +0200
Subject: [PATCH] xio-tun: remove if_tun.h kernel header
xio-tun mixes userspace and kernel headers.
http://wiki.musl-libc.org/wiki/FAQ#Q:_why_am_i_getting_.22error:_redefinition_of_struct_ethhdr.2Ftcphdr.2Fetc.22_.3F
Signed-off-by: Romain Naour <romain.naour@gmail.com>
---
config.h.in | 3 ---
configure.in | 8 +-------
sysincludes.h | 3 ---
xio-tun.c | 6 ++++++
4 files changed, 7 insertions(+), 13 deletions(-)
diff --git a/config.h.in b/config.h.in
index 9058bf8..ed0962c 100644
--- a/config.h.in
+++ b/config.h.in
@@ -258,9 +258,6 @@
/* Define if you have the <linux/errqueue.h> header file. */
#undef HAVE_LINUX_ERRQUEUE_H
-/* Define if you have the <linux/if_tun.h> header file. */
-#undef HAVE_LINUX_IF_TUN_H
-
/* Define if you have the <netpacket/packet.h> header file. */
#undef HAVE_NETPACKET_PACKET_H
diff --git a/configure.in b/configure.in
index 1d2e76f..27bb3d5 100644
--- a/configure.in
+++ b/configure.in
@@ -78,7 +78,7 @@ AC_CHECK_HEADERS(arpa/nameser.h)
AC_HEADER_RESOLV()
-AC_CHECK_HEADERS(termios.h linux/if_tun.h)
+AC_CHECK_HEADERS(termios.h)
AC_CHECK_HEADERS(net/if_dl.h)
AC_CHECK_HEADERS(linux/types.h)
AC_CHECK_HEADER(linux/errqueue.h, AC_DEFINE(HAVE_LINUX_ERRQUEUE_H), [], [#include <sys/time.h>
@@ -680,12 +680,6 @@ AC_ARG_ENABLE(tun, [ --disable-tun disable TUN/TAP support],
esac],
[AC_MSG_RESULT(yes); WITH_TUN=1 ])
-#
-if ! test "$ac_cv_header_linux_if_tun_h" = 'yes'; then
- AC_MSG_WARN(include file linux/if_tun.h not found, disabling TUN)
- WITH_TUN=
-fi
-#
if test -n "$WITH_TUN"; then
AC_DEFINE(WITH_TUN)
fi
diff --git a/sysincludes.h b/sysincludes.h
index 98dff77..28067f4 100644
--- a/sysincludes.h
+++ b/sysincludes.h
@@ -142,9 +142,6 @@
#if HAVE_NETINET_IF_ETHER_H
#include <netinet/if_ether.h>
#endif
-#if HAVE_LINUX_IF_TUN_H
-#include <linux/if_tun.h>
-#endif
#if HAVE_TERMIOS_H && _WITH_TERMIOS
#include <termios.h>
diff --git a/xio-tun.c b/xio-tun.c
index 0628d27..f965a7e 100644
--- a/xio-tun.c
+++ b/xio-tun.c
@@ -14,6 +14,12 @@
#include "xio-tun.h"
+/* TUNSETIFF flags from if_tun.h kernel header */
+#define IFF_TUN 0x0001
+#define IFF_TAP 0x0002
+#define IFF_NO_PI 0x1000
+
+#define TUNSETIFF _IOW('T', 202, int)
static int xioopen_tun(int argc, const char *argv[], struct opt *opts, int xioflags, xiofile_t *fd, unsigned groups, int dummy1, int dummy2, int dummy3);
--
2.5.5