blob: 4f23d69ceeb205c7a7c693fc69e71f382c2b849a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
From 3ba6f05d35c8b0c405bf62cdd93eecc5a5094165 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Fri, 25 Jan 2019 14:39:04 -0800
Subject: [PATCH 10/18] clang: Append libunwind to compiler-rt for linking
Some packages which use libgcc tend to use low level unwind functions
too, and they are missing in compiler-rt but provided by llvm libunwind
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
clang/lib/Driver/ToolChains/CommonArgs.cpp | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp b/clang/lib/Driver/ToolChains/CommonArgs.cpp
index d7e316befa6..5f6b24e33eb 100644
--- a/clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -1191,6 +1191,12 @@ void tools::AddRunTimeLibs(const ToolChain &TC, const Driver &D,
switch (RLT) {
case ToolChain::RLT_CompilerRT:
CmdArgs.push_back(TC.getCompilerRTArgString(Args, "builtins"));
+ CmdArgs.push_back("--as-needed");
+ CmdArgs.push_back("-l:libunwind.a");
+ CmdArgs.push_back("-lpthread");
+ CmdArgs.push_back("-ldl");
+ CmdArgs.push_back("--no-as-needed");
+
break;
case ToolChain::RLT_Libgcc:
// Make sure libgcc is not used under MSVC environment by default
--
2.20.1
|
