Switch to using the dep tool and update all the dependencies

vendor/golang.org/x/sys/unix/mkerrors.sh

@@ -16,6 +16,15 @@ if test -z "$GOARCH" -o -z "$GOOS"; then
 	exit 1
 fi
 
+# Check that we are using the new build system if we should
+if [[ "$GOOS" -eq "linux" ]] && [[ "$GOARCH" != "sparc64" ]]; then
+	if [[ "$GOLANG_SYS_BUILD" -ne "docker" ]]; then
+		echo 1>&2 "In the new build system, mkerrors should not be called directly."
+		echo 1>&2 "See README.md"
+		exit 1
+	fi
+fi
+
 CC=${CC:-cc}
 
 if [[ "$GOOS" -eq "solaris" ]]; then
@@ -102,6 +111,36 @@ includes_Linux='
 #endif
 #define _GNU_SOURCE
 
+// <sys/ioctl.h> is broken on powerpc64, as it fails to include definitions of
+// these structures. We just include them copied from <bits/termios.h>.
+#if defined(__powerpc__)
+struct sgttyb {
+        char    sg_ispeed;
+        char    sg_ospeed;
+        char    sg_erase;
+        char    sg_kill;
+        short   sg_flags;
+};
+
+struct tchars {
+        char    t_intrc;
+        char    t_quitc;
+        char    t_startc;
+        char    t_stopc;
+        char    t_eofc;
+        char    t_brkc;
+};
+
+struct ltchars {
+        char    t_suspc;
+        char    t_dsuspc;
+        char    t_rprntc;
+        char    t_flushc;
+        char    t_werasc;
+        char    t_lnextc;
+};
+#endif
+
 #include <bits/sockaddr.h>
 #include <sys/epoll.h>
 #include <sys/inotify.h>
@@ -122,7 +161,9 @@ includes_Linux='
 #include <linux/if_addr.h>
 #include <linux/falloc.h>
 #include <linux/filter.h>
+#include <linux/fs.h>
 #include <linux/netlink.h>
+#include <linux/random.h>
 #include <linux/reboot.h>
 #include <linux/rtnetlink.h>
 #include <linux/ptrace.h>
@@ -131,6 +172,7 @@ includes_Linux='
 #include <linux/icmpv6.h>
 #include <linux/serial.h>
 #include <linux/can.h>
+#include <linux/vm_sockets.h>
 #include <net/route.h>
 #include <asm/termbits.h>
 
@@ -146,11 +188,20 @@ includes_Linux='
 #define PTRACE_SETREGS	0xd
 #endif
 
+#ifndef SOL_NETLINK
+#define SOL_NETLINK	270
+#endif
+
 #ifdef SOL_BLUETOOTH
 // SPARC includes this in /usr/include/sparc64-linux-gnu/bits/socket.h
 // but it is already in bluetooth_linux.go
 #undef SOL_BLUETOOTH
 #endif
+
+// Certain constants are missing from the fs/crypto UAPI
+#define FS_KEY_DESC_PREFIX              "fscrypt:"
+#define FS_KEY_DESC_PREFIX_SIZE         8
+#define FS_MAX_KEY_SIZE                 64
 '
 
 includes_NetBSD='
@@ -345,9 +396,13 @@ ccflags="$@"
 		$2 ~ /^CLOCK_/ ||
 		$2 ~ /^CAN_/ ||
 		$2 ~ /^ALG_/ ||
+		$2 ~ /^FS_(POLICY_FLAGS|KEY_DESC|ENCRYPTION_MODE|[A-Z0-9_]+_KEY_SIZE|IOC_(GET|SET)_ENCRYPTION)/ ||
+		$2 ~ /^GRND_/ ||
 		$2 ~ /^SPLICE_/ ||
+		$2 ~ /^(VM|VMADDR)_/ ||
 		$2 !~ "WMESGLEN" &&
-		$2 ~ /^W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", $2, $2)}
+		$2 ~ /^W[A-Z0-9]+$/ ||
+		$2 ~ /^BLK[A-Z]*(GET$|SET$|BUF$|PART$|SIZE)/ {printf("\t%s = C.%s\n", $2, $2)}
 		$2 ~ /^__WCOREFLAG$/ {next}
 		$2 ~ /^__W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", substr($2,3), $2)}
 
@@ -382,7 +437,7 @@ echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
 	sort >_signal.grep
 
 echo '// mkerrors.sh' "$@"
-echo '// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT'
+echo '// Code generated by the command above; see README.md. DO NOT EDIT.'
 echo
 echo "// +build ${GOARCH},${GOOS}"
 echo
@@ -444,7 +499,7 @@ intcmp(const void *a, const void *b)
 int
 main(void)
 {
-	int i, j, e;
+	int i, e;
 	char buf[1024], *p;
 
 	printf("\n\n// Error table\n");