main/llvm: update patchset, switch to cmake, perform two-stage build with a minimal bootstrap compile of clang, add clang extras, update package list to split out clang documentation

1 files changed, 90 insertions, 0 deletions

diff --git a/main/llvm/llvm-0002-musl-triple.patch b/main/llvm/llvm-0002-musl-triple.patch
new file mode 100644
index 0000000000..1be21a72c7
--- /dev/null
+++ b/main/llvm/llvm-0002-musl-triple.patch
@@ -0,0 +1,90 @@
+From b8a0587b17b6c58973bf5463096538a37cc516a5 Mon Sep 17 00:00:00 2001
+From: Travis Tilley <ttilley@gmail.com>
+Date: Tue, 28 Apr 2015 20:22:40 -0400
+Subject: [PATCH 2/3] musl triple
+
+---
+ include/llvm/ADT/Triple.h           | 4 ++++
+ lib/Support/Triple.cpp              | 6 ++++++
+ lib/Target/ARM/ARMSubtarget.h       | 3 +++
+ lib/Target/ARM/ARMTargetMachine.cpp | 2 ++
+ 4 files changed, 15 insertions(+)
+
+diff --git a/include/llvm/ADT/Triple.h b/include/llvm/ADT/Triple.h
+index 8a68599..072623c 100644
+--- a/include/llvm/ADT/Triple.h
++++ b/include/llvm/ADT/Triple.h
+@@ -154,6 +154,10 @@ public:
+     EABIHF,
+     Android,
+ 
++    Musl,
++    MuslEABI,
++    MuslEABIHF,
++
+     MSVC,
+     Itanium,
+     Cygnus,
+diff --git a/lib/Support/Triple.cpp b/lib/Support/Triple.cpp
+index 0838e90..4be78e5 100644
+--- a/lib/Support/Triple.cpp
++++ b/lib/Support/Triple.cpp
+@@ -175,6 +175,9 @@ const char *Triple::getEnvironmentTypeName(EnvironmentType Kind) {
+   case CODE16: return "code16";
+   case EABI: return "eabi";
+   case EABIHF: return "eabihf";
++  case Musl: return "musl";
++  case MuslEABIHF: return "musleabihf";
++  case MuslEABI: return "musleabi";
+   case Android: return "android";
+   case MSVC: return "msvc";
+   case Itanium: return "itanium";
+@@ -375,6 +378,9 @@ static Triple::EnvironmentType parseEnvironment(StringRef EnvironmentName) {
+     .StartsWith("code16", Triple::CODE16)
+     .StartsWith("gnu", Triple::GNU)
+     .StartsWith("android", Triple::Android)
++    .StartsWith("musleabihf", Triple::MuslEABIHF)
++    .StartsWith("musleabi", Triple::MuslEABI)
++    .StartsWith("musl", Triple::Musl)
+     .StartsWith("msvc", Triple::MSVC)
+     .StartsWith("itanium", Triple::Itanium)
+     .StartsWith("cygnus", Triple::Cygnus)
+diff --git a/lib/Target/ARM/ARMSubtarget.h b/lib/Target/ARM/ARMSubtarget.h
+index dbacd4d..b330be5 100644
+--- a/lib/Target/ARM/ARMSubtarget.h
++++ b/lib/Target/ARM/ARMSubtarget.h
+@@ -369,8 +369,10 @@ public:
+   bool isTargetEHABICompatible() const {
+     return (TargetTriple.getEnvironment() == Triple::EABI ||
+             TargetTriple.getEnvironment() == Triple::GNUEABI ||
++            TargetTriple.getEnvironment() == Triple::MuslEABI ||
+             TargetTriple.getEnvironment() == Triple::EABIHF ||
+             TargetTriple.getEnvironment() == Triple::GNUEABIHF ||
++            TargetTriple.getEnvironment() == Triple::MuslEABIHF ||
+             TargetTriple.getEnvironment() == Triple::Android) &&
+            !isTargetDarwin() && !isTargetWindows();
+   }
+@@ -379,6 +381,7 @@ public:
+     // FIXME: this is invalid for WindowsCE
+     return TargetTriple.getEnvironment() == Triple::GNUEABIHF ||
+            TargetTriple.getEnvironment() == Triple::EABIHF ||
++           TargetTriple.getEnvironment() == Triple::MuslEABIHF ||
+            isTargetWindows();
+   }
+   bool isTargetAndroid() const {
+diff --git a/lib/Target/ARM/ARMTargetMachine.cpp b/lib/Target/ARM/ARMTargetMachine.cpp
+index 7a8181b..ce5ceb9 100644
+--- a/lib/Target/ARM/ARMTargetMachine.cpp
++++ b/lib/Target/ARM/ARMTargetMachine.cpp
+@@ -87,6 +87,8 @@ computeTargetABI(const Triple &TT, StringRef CPU,
+     case llvm::Triple::GNUEABIHF:
+     case llvm::Triple::EABIHF:
+     case llvm::Triple::EABI:
++    case llvm::Triple::MuslEABI:
++    case llvm::Triple::MuslEABIHF:
+       TargetABI = ARMBaseTargetMachine::ARM_ABI_AAPCS;
+       break;
+     case llvm::Triple::GNU:
+-- 
+2.1.4
+