Add libzvbi

Patches and build-mess based on VLC contrib:
https://github.com/videolan/vlc/tree/master/contrib/src/zvbi

patches/zvbi/0003-win32.patch

@@ -0,0 +1,167 @@
+diff -ruN zvbi/src/conv.c zvbi.new/src/conv.c
+--- zvbi/src/conv.c	2008-02-26 15:39:23.000000000 +0100
++++ zvbi.new/src/conv.c	2008-09-11 21:05:18.000000000 +0200
+@@ -26,7 +26,9 @@
+ #endif
+ 
+ #include <errno.h>
++#ifndef _WIN32
+ #include <langinfo.h>
++#endif
+ 
+ #include "misc.h"
+ #include "conv.h"
+@@ -1234,9 +1236,12 @@
+ 	const char *dst_format;
+ 
+ 	dst_format = bind_textdomain_codeset (vbi_intl_domainname, NULL);
+-
++#ifdef _WIN32
++#warning this is wrong
++#else
+ 	if (NULL == dst_format)
+ 		dst_format = nl_langinfo (CODESET);
++#endif
+ 
+ 	return dst_format; /* may be NULL */
+ }
+diff -ruN zvbi/src/export.c zvbi.new/src/export.c
+--- zvbi/src/export.c	2008-02-19 01:35:15.000000000 +0100
++++ zvbi.new/src/export.c	2008-09-11 20:38:55.000000000 +0200
+@@ -40,6 +40,26 @@
+ #include "conv.h"
+ #include "vbi.h" /* asprintf */
+ 
++#ifndef EOVERFLOW
++ #define EOVERFLOW 75
++#endif
++
++#ifndef S_IRGRP
++#define S_IRGRP 0
++#endif
++
++#ifndef S_IWGRP
++#define S_IWGRP 0
++#endif
++
++#ifndef S_IROTH
++#define S_IROTH 0
++#endif
++
++#ifndef S_IWOTH
++#define S_IWOTH 0
++#endif
++
+ extern const char _zvbi_intl_domainname[];
+ 
+ /**
+diff -ruN zvbi/src/packet.c zvbi.new/src/packet.c
+--- zvbi/src/packet.c	2008-02-20 18:04:33.000000000 +0100
++++ zvbi.new/src/packet.c	2008-09-11 21:00:35.000000000 +0200
+@@ -32,7 +32,9 @@
+ #include <fcntl.h>
+ #include <time.h>
+ #include <errno.h>
++#ifndef _WIN32
+ #include <sys/ioctl.h>
++#endif
+ 
+ #include "misc.h"
+ #include "hamm.h"
+diff -ruN zvbi/src/proxy-msg.c zvbi.new/src/proxy-msg.c
+--- zvbi/src/proxy-msg.c	2008-02-19 01:35:21.000000000 +0100
++++ zvbi.new/src/proxy-msg.c	2008-09-11 21:00:07.000000000 +0200
+@@ -129,7 +129,9 @@
+ #include <netinet/tcp.h>
+ #include <arpa/inet.h>
+ #include <netdb.h>
++#ifndef _WIN32
+ #include <syslog.h>
++#endif
+ #include <assert.h>
+ #include <sys/ioctl.h>
+ #include <sys/mman.h>
+diff -ruN zvbi/src/proxy-msg.h zvbi.new/src/proxy-msg.h
+--- zvbi/src/proxy-msg.h	2008-02-19 01:35:21.000000000 +0100
++++ zvbi.new/src/proxy-msg.h	2008-09-11 20:59:40.000000000 +0200
+@@ -68,7 +68,9 @@
+ #ifndef PROXY_MSG_H
+ #define PROXY_MSG_H
+ 
++#ifndef _WIN32
+ #include <sys/syslog.h>
++#endif
+ 
+ /* Public */
+ 
+diff -ruN zvbi/src/vbi.c zvbi.new/src/vbi.c
+--- zvbi/src/vbi.c	2008-03-05 14:33:04.000000000 +0100
++++ zvbi.new/src/vbi.c	2008-09-11 20:57:55.000000000 +0200
+@@ -39,7 +39,9 @@
+ #include <fcntl.h>
+ #include <time.h>
+ #include <errno.h>
++#ifndef _WIN32
+ #include <sys/ioctl.h>
++#endif
+ #include <sys/time.h>
+ #include <pthread.h>
+ 
+--- zvbi/src/io.c	2008-02-19 01:35:20.000000000 +0100
++++ zvbi2/src/io.c	2008-09-11 21:18:59.000000000 +0200
+@@ -28,8 +28,10 @@
+ 
+ #include <fcntl.h>		/* open() */
+ #include <unistd.h>		/* close(), mmap(), munmap(), gettimeofday() */
++#ifndef _WIN32
+ #include <sys/ioctl.h>		/* ioctl() */
+ #include <sys/mman.h>		/* mmap(), munmap() */
++#endif
+ #include <sys/time.h>		/* struct timeval */
+ #include <sys/types.h>
+ #include <errno.h>
+@@ -514,7 +516,7 @@
+ 	}
+ }
+ 
+-
++#ifndef _WIN32
+ /**
+  * @internal
+  *
+@@ -554,7 +556,7 @@
+ 		return ret;
+ 	}
+ }
+-
++#endif
+ /* Helper functions to log the communication between the library and drivers.
+    FIXME remove fp arg, call user log function instead (0.3). */
+ 
+@@ -668,7 +670,9 @@
+ 				 "EXCL", O_EXCL,
+ 				 "TRUNC", O_TRUNC,
+ 				 "APPEND", O_APPEND,
++#ifndef _WIN32
+ 				 "NONBLOCK", O_NONBLOCK,
++#endif
+ 				 0);
+ 		fprintf (fp, ", 0%o)", mode);
+ 
+@@ -773,6 +777,7 @@
+ 	return err;
+ }
+ 
++#ifndef _WIN32
+ /**
+  * @internal
+  * Drop-in for mmap(). Logs the request on fp if not NULL.
+@@ -822,7 +827,7 @@
+ 
+ 	return r;
+ }
+-
++#endif
+ /**
+  * @internal
+  * Drop-in for munmap(). Logs the request on fp if not NULL.