From: Jeff Mahoney <jeffm@suse.com>
Subject: vendor: build fixes for SLE-12

SLE-12 uses gcc 4.8 and as a result requires definition
of _GNU_SOURCE and -std=c99 to build properly.

--- a/vendor/github.com/Velocidex/go-magic/magic/magic.go
+++ b/vendor/github.com/Velocidex/go-magic/magic/magic.go
@@ -1,7 +1,7 @@
 package magic
 
 /*
- #cgo CFLAGS: -DHAVE_CONFIG_H
+ #cgo CFLAGS: -DHAVE_CONFIG_H -std=c99 -D_GNU_SOURCE -DHAVE_STRNDUP
  #include <magic.h>
  #include <stdlib.h>
 */
--- a/vendor/github.com/Velocidex/go-magic/magic/regex.c
+++ b/vendor/github.com/Velocidex/go-magic/magic/regex.c
@@ -24,8 +24,6 @@
   #pragma alloca
 #endif
 
-#define _GNU_SOURCE
-
 /* We need this for `regex.h', and perhaps for the Emacs include files.  */
 #include <sys/types.h>
 
--- a/vendor/github.com/Velocidex/go-yara/cgo.go
+++ b/vendor/github.com/Velocidex/go-yara/cgo.go
@@ -6,6 +6,6 @@
 
 package yara
 
-// #cgo CFLAGS: -D_FILE_OFFSET_BITS=64
+// #cgo CFLAGS: -D_FILE_OFFSET_BITS=64 -std=c99 -D_GNU_SOURCE
 // #cgo LDFLAGS:
 import "C"
--- a/vendor/github.com/Velocidex/go-yara/endian.h
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
-Copyright (c) 2016. The YARA Authors. All Rights Reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
-1. Redistributions of source code must retain the above copyright notice, this
-list of conditions and the following disclaimer.
-
-2. Redistributions in binary form must reproduce the above copyright notice,
-this list of conditions and the following disclaimer in the documentation and/or
-other materials provided with the distribution.
-
-3. Neither the name of the copyright holder nor the names of its contributors
-may be used to endorse or promote products derived from this software without
-specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#ifndef YR_ENDIAN_H
-#define YR_ENDIAN_H
-
-#include <yara_integers.h>
-
-#if defined(__has_builtin)
-#if __has_builtin(__builtin_bswap16)
-#define yr_bswap16(x) __builtin_bswap16(x)
-#endif
-#endif
-
-#if !defined(yr_bswap16) && defined(_MSC_VER)
-#define yr_bswap16(x) _byteswap_ushort(x)
-#endif
-
-#if !defined(yr_bswap16)
-uint16_t _yr_bswap16(uint16_t x);
-#define yr_bswap16(x) _yr_bswap16(x)
-#endif
-
-#if defined(__has_builtin)
-#if __has_builtin(__builtin_bswap32)
-#define yr_bswap32(x) __builtin_bswap32(x)
-#endif
-#endif
-
-#if !defined(yr_bswap32) && defined(_MSC_VER)
-#define yr_bswap32(x) _byteswap_ulong(x)
-#endif
-
-#if !defined(yr_bswap32)
-uint32_t _yr_bswap32(uint32_t x);
-#define yr_bswap32(x) _yr_bswap32(x)
-#endif
-
-#if defined(__has_builtin)
-#if __has_builtin(__builtin_bswap64)
-#define yr_bswap64(x) __builtin_bswap64(x)
-#endif
-#endif
-
-#if !defined(yr_bswap64) && defined(_MSC_VER)
-#define yr_bswap64(x) _byteswap_uint64(x)
-#endif
-
-#if !defined(yr_bswap64)
-uint64_t _yr_bswap64(uint64_t x);
-#define yr_bswap64(x) _yr_bswap64(x)
-#endif
-
-#if defined(WORDS_BIGENDIAN)
-#define yr_le16toh(x) yr_bswap16(x)
-#define yr_le32toh(x) yr_bswap32(x)
-#define yr_le64toh(x) yr_bswap64(x)
-#define yr_be16toh(x) (x)
-#define yr_be32toh(x) (x)
-#define yr_be64toh(x) (x)
-#else
-#define yr_le16toh(x) (x)
-#define yr_le32toh(x) (x)
-#define yr_le64toh(x) (x)
-#define yr_be16toh(x) yr_bswap16(x)
-#define yr_be32toh(x) yr_bswap32(x)
-#define yr_be64toh(x) yr_bswap64(x)
-#endif
-
-#endif