Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 76 insertions, 0 deletions

diff --git a/include/iprt/linux/symvers.h b/include/iprt/linux/symvers.h
new file mode 100644
index 00000000..8fb96d97
--- /dev/null
+++ b/include/iprt/linux/symvers.h
@@ -0,0 +1,76 @@
+/** @file
+ * IPRT - Linux symver and compatibility definitions.
+ */
+
+/*
+ * Copyright (C) 2008-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+/* Various tricks to produce binaries which can be run on old Linux
+ * distributions.  This will almost certainly need updating as time
+ * goes by. */
+
+#ifndef IPRT_INCLUDED_linux_symvers_h
+#define IPRT_INCLUDED_linux_symvers_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+/* Please use -fno-stack-protector on the command line to avoid stack check
+ * functions which are not available in EL3 for 32-bit builds. */
+
+/* Use versions of glibc symbols which are available in 32-bit EL3 or
+ * 64-bit EL4.  Currently only those symbols needed by the Additions,
+ * though this could probably be extended to work for host builds too. */
+#if defined(RT_ARCH_AMD64)
+__asm__(".symver memcpy,memcpy@GLIBC_2.2.5");
+__asm__(".symver posix_spawn,posix_spawn@GLIBC_2.2.5");
+#else  /* RT_ARCH_X86 */
+__asm__(".symver posix_spawn,posix_spawn@GLIBC_2.2");
+#endif
+
+/* Do not use *_chk functions */
+#undef _FORTIFY_SOURCE
+
+/* Do not use __isoc99_* functions */
+#undef __USE_GNU
+#define __USE_GNU 1
+
+/* And EL5 wants this too with __USE_GNU */
+#undef _GNU_SOURCE
+#define _GNU_SOURCE 1
+
+/* Tell IPRT not to use newer functions */
+#include <features.h>
+#undef __GLIBC_MINOR__
+#define __GLIBC_MINOR__ 3
+
+/* Do not use fcntl64 */
+#include <fcntl.h>
+#ifdef fnctl
+# undef fcntl
+#endif
+#if defined(RT_ARCH_AMD64)
+__asm__(".symver fcntl64,fcntl@GLIBC_2.2.5");
+#else
+__asm__(".symver fcntl64,fcntl@GLIBC_2.0");
+#endif
+
+#endif /* !IPRT_INCLUDED_linux_symvers_h */