Update clang patches for mingw target defaults

patches/clang-0001.patch

@@ -1,24 +1,32 @@
-From 6e83e00fb6c9b858b9ccb1cbeb30198ec85d190d Mon Sep 17 00:00:00 2001
+From 5d2a7cb021208fd23b8b57034d11fef3900397c4 Mon Sep 17 00:00:00 2001
 From: Martell Malone <martellmalone@gmail.com>
 Date: Wed, 16 Dec 2015 02:07:06 -0800
-Subject: [PATCH 1/4] use lld and compiler-rt by default
+Subject: [PATCH 1/6] mingw-w64: setup new defaults for target
 
+runtime: compiler-rt
+c++ lib: libc++
+linker: lld
 ---
- lib/Driver/ToolChains.h | 4 ++++
+ lib/Driver/ToolChains.h | 9 +++++++++
  lib/Driver/Tools.cpp    | 2 +-
- 2 files changed, 5 insertions(+), 1 deletion(-)
+ 2 files changed, 10 insertions(+), 1 deletion(-)
 
 diff --git a/lib/Driver/ToolChains.h b/lib/Driver/ToolChains.h
-index 4e5c3f7..c06f695 100644
+index 4e5c3f7..4de35d6 100644
 --- a/lib/Driver/ToolChains.h
 +++ b/lib/Driver/ToolChains.h
-@@ -680,6 +680,10 @@ public:
+@@ -680,6 +680,15 @@ public:
        const llvm::opt::ArgList &DriverArgs,
        llvm::opt::ArgStringList &CC1Args) const override;
  
 +  RuntimeLibType GetDefaultRuntimeLibType() const override {
 +    return RuntimeLibType::RLT_CompilerRT;
 +  }
++
++  CXXStdlibType
++  GetCXXStdlibType(const llvm::opt::ArgList &Args) const override {
++    return ToolChain::CST_Libcxx;
++  }
 +
  protected:
    Tool *getTool(Action::ActionClass AC) const override;

patches/clang-0006.patch

@@ -0,0 +1,53 @@
+From 33dec3bb0148afe0bcff8c8684833f89c7a61bb6 Mon Sep 17 00:00:00 2001
+From: Martell Malone <martellmalone@gmail.com>
+Date: Fri, 5 Aug 2016 21:50:38 -0700
+Subject: [PATCH 6/6] mingw-w64: support static builds of libc++
+
+Static builds require libc++abi to be linked
+Will add support for both modes in future
+---
+ lib/Driver/MinGWToolChain.cpp | 15 +++++++++++++++
+ lib/Driver/ToolChains.h       |  4 ++++
+ 2 files changed, 19 insertions(+)
+
+diff --git a/lib/Driver/MinGWToolChain.cpp b/lib/Driver/MinGWToolChain.cpp
+index a1dc25b..816e11d 100644
+--- a/lib/Driver/MinGWToolChain.cpp
++++ b/lib/Driver/MinGWToolChain.cpp
+@@ -242,3 +242,18 @@ void MinGW::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
+     break;
+   }
+ }
++
++void MinGW::AddCXXStdlibLibArgs(const ArgList &Args,
++                         ArgStringList &CmdArgs) const {
++  switch (GetCXXStdlibType(Args)) {
++  case ToolChain::CST_Libcxx:
++    CmdArgs.push_back("-lc++");
++    // Support only static libc++ for now
++    CmdArgs.push_back("-lc++abi");
++    break;
++
++  case ToolChain::CST_Libstdcxx:
++    CmdArgs.push_back("-lstdc++");
++    break;
++  }
++}
+diff --git a/lib/Driver/ToolChains.h b/lib/Driver/ToolChains.h
+index 4de35d6..bfc9b80 100644
+--- a/lib/Driver/ToolChains.h
++++ b/lib/Driver/ToolChains.h
+@@ -676,6 +676,10 @@ public:
+   void
+   AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
+                             llvm::opt::ArgStringList &CC1Args) const override;
++
++  void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
++                           llvm::opt::ArgStringList &CmdArgs) const override;
++
+   void AddClangCXXStdlibIncludeArgs(
+       const llvm::opt::ArgList &DriverArgs,
+       llvm::opt::ArgStringList &CC1Args) const override;
+-- 
+2.7.4
+