clang-netbsd: Link with -lkvm sanitized programs on NetBSD

[Kamil Rytarowski <n54%gmx.com@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Kamil Rytarowski <n54%gmx.com@localhost>
Pushed By:	kamil
Date:		Thu Jan 18 08:55:23 2018 +0100
Changeset:	f2f2c1de42b862b629e78147bbe12344699b41b3

Modified Files:
	clang-netbsd/distinfo
Added Files:
	clang-netbsd/patches/patch-lib_Driver_ToolChains_CommonArgs.cpp

Log Message:
clang-netbsd: Link with -lkvm sanitized programs on NetBSD

The sanitizers are checking kvm API/ABI.

Sponsored by <The NetBSD Foundation>

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=f2f2c1de42b862b629e78147bbe12344699b41b3

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 clang-netbsd/distinfo                                      |  1 +
 .../patches/patch-lib_Driver_ToolChains_CommonArgs.cpp     | 14 ++++++++++++++
 2 files changed, 15 insertions(+)

diffs:
diff --git a/clang-netbsd/distinfo b/clang-netbsd/distinfo
index b0f519db5d..ca7a149afa 100644
--- a/clang-netbsd/distinfo
+++ b/clang-netbsd/distinfo
@@ -1,5 +1,6 @@
 $NetBSD: distinfo,v 1.35 2015/09/11 01:21:57 tnn Exp $
 
 SHA1 (patch-lib_Basic_Targets_OSTargets.h) = 9d229074c8e36be37176349971667817b227eaa5
+SHA1 (patch-lib_Driver_ToolChains_CommonArgs.cpp) = 6aa37041823a1dbeec18472075b011a320e8c562
 SHA1 (patch-test_Sema_128bitfloat.cpp) = cc11582dd9495b603a22ef73609ab04f65324da2
 SHA1 (patch-tools_clang-format_CMakeLists.txt) = f119d2a94cbfb8c00a285d1aa7789ed26f8309cf
diff --git a/clang-netbsd/patches/patch-lib_Driver_ToolChains_CommonArgs.cpp b/clang-netbsd/patches/patch-lib_Driver_ToolChains_CommonArgs.cpp
new file mode 100644
index 0000000000..a639651ce3
--- /dev/null
+++ b/clang-netbsd/patches/patch-lib_Driver_ToolChains_CommonArgs.cpp
@@ -0,0 +1,14 @@
+$NetBSD$
+
+--- lib/Driver/ToolChains/CommonArgs.cpp.orig	2018-01-18 07:53:42.722099826 +0000
++++ lib/Driver/ToolChains/CommonArgs.cpp
+@@ -555,6 +555,9 @@ void tools::linkSanitizerRuntimeDeps(con
+   // Required for backtrace on some OSes
+   if (TC.getTriple().getOS() == llvm::Triple::NetBSD)
+     CmdArgs.push_back("-lexecinfo");
++  // Required for backtrace on some OSes
++  if (TC.getTriple().getOS() == llvm::Triple::NetBSD)
++    CmdArgs.push_back("-lkvm");
+ }
+ 
+ static void