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From danburk...@apache.org
Subject kudu git commit: Bump LLVM to 4.0.0
Date Sat, 03 Jun 2017 02:24:01 GMT
Repository: kudu
Updated Branches:
  refs/heads/master e3b7d4dc1 -> ce83b6cef


Bump LLVM to 4.0.0

I'm working on integrating Thrift into the Kudu build, and hit
https://reviews.llvm.org/D22800, which is fixed in 4.0.0.

Change-Id: I64f98bb56d2510ba03ef5ea477a4d7bb4b48c555
Reviewed-on: http://gerrit.cloudera.org:8080/7069
Reviewed-by: Adar Dembo <adar@cloudera.com>
Tested-by: Kudu Jenkins


Project: http://git-wip-us.apache.org/repos/asf/kudu/repo
Commit: http://git-wip-us.apache.org/repos/asf/kudu/commit/ce83b6ce
Tree: http://git-wip-us.apache.org/repos/asf/kudu/tree/ce83b6ce
Diff: http://git-wip-us.apache.org/repos/asf/kudu/diff/ce83b6ce

Branch: refs/heads/master
Commit: ce83b6cefe199c2170a76e2735e6b17e04970ca8
Parents: e3b7d4d
Author: Dan Burkert <danburkert@apache.org>
Authored: Fri Jun 2 16:10:19 2017 -0700
Committer: Dan Burkert <danburkert@apache.org>
Committed: Sat Jun 3 02:23:07 2017 +0000

----------------------------------------------------------------------
 thirdparty/download-thirdparty.sh               |  5 +-
 thirdparty/package-llvm.sh                      | 55 +++++++++++++
 .../patches/libc++-fix-std-once-barriers.patch  | 86 --------------------
 thirdparty/vars.sh                              | 18 +---
 4 files changed, 58 insertions(+), 106 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/kudu/blob/ce83b6ce/thirdparty/download-thirdparty.sh
----------------------------------------------------------------------
diff --git a/thirdparty/download-thirdparty.sh b/thirdparty/download-thirdparty.sh
index 8ac968e..05f8fed 100755
--- a/thirdparty/download-thirdparty.sh
+++ b/thirdparty/download-thirdparty.sh
@@ -238,16 +238,13 @@ if [ ! -d $PYTHON_SOURCE ]; then
   fetch_and_expand python-${PYTHON_VERSION}.tar.gz
 fi
 
-LLVM_PATCHLEVEL=2
+LLVM_PATCHLEVEL=1
 delete_if_wrong_patchlevel $LLVM_SOURCE $LLVM_PATCHLEVEL
 if [ ! -d $LLVM_SOURCE ]; then
   fetch_and_expand llvm-${LLVM_VERSION}.src.tar.gz
 
   pushd $LLVM_SOURCE
   patch -p1 < $TP_DIR/patches/llvm-fix-amazon-linux.patch
-  pushd projects/libcxx
-  patch -p1 < $TP_DIR/patches/libc++-fix-std-once-barriers.patch
-  popd
   touch patchlevel-$LLVM_PATCHLEVEL
   popd
   echo

http://git-wip-us.apache.org/repos/asf/kudu/blob/ce83b6ce/thirdparty/package-llvm.sh
----------------------------------------------------------------------
diff --git a/thirdparty/package-llvm.sh b/thirdparty/package-llvm.sh
new file mode 100755
index 0000000..344a7fb
--- /dev/null
+++ b/thirdparty/package-llvm.sh
@@ -0,0 +1,55 @@
+#!/bin/bash
+
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+# Packages LLVM for inclusing in the Kudu thirdparty build.
+#
+# Our llvm tarball includes clang, extra clang tools, lld, and compiler-rt.
+#
+# See http://clang.llvm.org/get_started.html and http://lld.llvm.org/ for
+# details on how they're laid out in the llvm tarball.
+#
+# Summary:
+# 1. Unpack the llvm tarball
+# 2. Unpack the clang tarball as tools/clang (rename from cfe-<version> to clang)
+# 3. Unpack the extra clang tools tarball as tools/clang/tools/extra
+# 4. Unpack the lld tarball as tools/lld
+# 5. Unpack the compiler-rt tarball as projects/compiler-rt
+# 6. Unpack the libc++ tarball as projects/libcxx
+# 7. Unpack the libc++abi tarball as projects/libcxxabi
+# 8. Create new tarball from the resulting source tree
+#
+# Usage:
+#  $ env VERSION=4.0.0 thirdparty/package-llvm.sh
+
+set -ex
+
+for ARTIFACT in llvm cfe compiler-rt libcxx libcxxabi lld clang-tools-extra; do
+  wget http://releases.llvm.org/$VERSION/$ARTIFACT-$VERSION.src.tar.xz
+  tar xf $ARTIFACT-$VERSION.src.tar.xz
+  rm $ARTIFACT-$VERSION.src.tar.xz
+done
+
+mv cfe-$VERSION.src llvm-$VERSION.src/tools/clang
+mv clang-tools-extra-$VERSION.src llvm-$VERSION.src/tools/clang/tools/extra
+mv lld-$VERSION.src llvm-$VERSION.src/tools/lld
+mv compiler-rt-$VERSION.src llvm-$VERSION.src/projects/compiler-rt
+mv libcxx-$VERSION.src llvm-$VERSION.src/projects/libcxx
+mv libcxxabi-$VERSION.src llvm-$VERSION.src/projects/libcxxabi
+
+tar czf llvm-$VERSION.src.tar.gz llvm-$VERSION.src

http://git-wip-us.apache.org/repos/asf/kudu/blob/ce83b6ce/thirdparty/patches/libc++-fix-std-once-barriers.patch
----------------------------------------------------------------------
diff --git a/thirdparty/patches/libc++-fix-std-once-barriers.patch b/thirdparty/patches/libc++-fix-std-once-barriers.patch
deleted file mode 100644
index 63939b3..0000000
--- a/thirdparty/patches/libc++-fix-std-once-barriers.patch
+++ /dev/null
@@ -1,86 +0,0 @@
-From 4dbd4fcf8626453949625bf36976e668094cfbb1 Mon Sep 17 00:00:00 2001
-From: Kuba Brecka <kuba.brecka@gmail.com>
-Date: Sun, 4 Sep 2016 09:55:12 +0000
-Subject: [PATCH] [libcxx] Fix a data race in call_once
-
-call_once is using relaxed atomic load to perform double-checked locking, which contains
a data race. The fast-path load has to be an acquire atomic load.
-
-Differential Revision: https://reviews.llvm.org/D24028
-
-
-
-git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@280621 91177308-0d34-0410-b5e6-96231b3b80d8
----
- include/memory | 12 ++++++++++++
- include/mutex  |  4 ++--
- src/mutex.cpp  |  5 +----
- 3 files changed, 15 insertions(+), 6 deletions(-)
-
-diff --git a/include/memory b/include/memory
-index 31f58b7..8cb094e 100644
---- a/include/memory
-+++ b/include/memory
-@@ -663,6 +663,18 @@ _ValueType __libcpp_relaxed_load(_ValueType const* __value) {
- #endif
- }
- 
-+template <class _ValueType>
-+inline _LIBCPP_ALWAYS_INLINE
-+_ValueType __libcpp_acquire_load(_ValueType const* __value) {
-+#if !defined(_LIBCPP_HAS_NO_THREADS) && \
-+    defined(__ATOMIC_ACQUIRE) &&        \
-+    (__has_builtin(__atomic_load_n) || _GNUC_VER >= 407)
-+    return __atomic_load_n(__value, __ATOMIC_ACQUIRE);
-+#else
-+    return *__value;
-+#endif
-+}
-+
- // addressof moved to <__functional_base>
- 
- template <class _Tp> class allocator;
-diff --git a/include/mutex b/include/mutex
-index c047cf9..79befbe 100644
---- a/include/mutex
-+++ b/include/mutex
-@@ -574,7 +574,7 @@ inline _LIBCPP_INLINE_VISIBILITY
- void
- call_once(once_flag& __flag, _Callable&& __func, _Args&&... __args)
- {
--    if (__libcpp_relaxed_load(&__flag.__state_) != ~0ul)
-+    if (__libcpp_acquire_load(&__flag.__state_) != ~0ul)
-     {
-         typedef tuple<_Callable&&, _Args&&...> _Gp;
-         _Gp __f(_VSTD::forward<_Callable>(__func), _VSTD::forward<_Args>(__args)...);
-@@ -590,7 +590,7 @@ inline _LIBCPP_INLINE_VISIBILITY
- void
- call_once(once_flag& __flag, _Callable& __func)
- {
--    if (__libcpp_relaxed_load(&__flag.__state_) != ~0ul)
-+    if (__libcpp_acquire_load(&__flag.__state_) != ~0ul)
-     {
-         __call_once_param<_Callable> __p(__func);
-         __call_once(__flag.__state_, &__p, &__call_once_proxy<_Callable>);
-diff --git a/src/mutex.cpp b/src/mutex.cpp
-index 9f808ca..7226abc 100644
---- a/src/mutex.cpp
-+++ b/src/mutex.cpp
-@@ -199,9 +199,6 @@ static __libcpp_mutex_t mut = _LIBCPP_MUTEX_INITIALIZER;
- static __libcpp_condvar_t cv = _LIBCPP_CONDVAR_INITIALIZER;
- #endif
- 
--/// NOTE: Changes to flag are done via relaxed atomic stores
--///       even though the accesses are protected by a mutex because threads
--///       just entering 'call_once` concurrently read from flag.
- void
- __call_once(volatile unsigned long& flag, void* arg, void(*func)(void*))
- {
-@@ -238,7 +235,7 @@ __call_once(volatile unsigned long& flag, void* arg, void(*func)(void*))
-             __libcpp_mutex_unlock(&mut);
-             func(arg);
-             __libcpp_mutex_lock(&mut);
--            __libcpp_relaxed_store(&flag, ~0ul);
-+            __libcpp_atomic_store(&flag, ~0ul, _AO_Release);
-             __libcpp_mutex_unlock(&mut);
-             __libcpp_condvar_broadcast(&cv);
- #ifndef _LIBCPP_NO_EXCEPTIONS

http://git-wip-us.apache.org/repos/asf/kudu/blob/ce83b6ce/thirdparty/vars.sh
----------------------------------------------------------------------
diff --git a/thirdparty/vars.sh b/thirdparty/vars.sh
index 3e3ee3c..6a39cd2 100644
--- a/thirdparty/vars.sh
+++ b/thirdparty/vars.sh
@@ -125,22 +125,8 @@ LIBUNWIND_VERSION=1.1a
 LIBUNWIND_NAME=libunwind-$LIBUNWIND_VERSION
 LIBUNWIND_SOURCE=$TP_SOURCE_DIR/$LIBUNWIND_NAME
 
-# Our llvm tarball includes clang, extra clang tools, lld, and compiler-rt.
-#
-# See http://clang.llvm.org/get_started.html and http://lld.llvm.org/ for
-# details on how they're laid out in the llvm tarball.
-#
-# Summary:
-# 1. Unpack the llvm tarball
-# 2. Unpack the clang tarball as tools/clang (rename from cfe-<version> to clang)
-# 3. Unpack the extra clang tools tarball as tools/clang/tools/extra
-# 4. Unpack the lld tarball as tools/lld
-# 5. Unpack the compiler-rt tarball as projects/compiler-rt
-# 6. Unpack the libc++ tarball as projects/libcxx
-# 7. Unpack the libc++abi tarball as projects/libcxxabi
-# 8. Create new tarball from the resulting source tree
-#
-LLVM_VERSION=3.9.1
+# See package-llvm.sh for details on the LLVM tarball.
+LLVM_VERSION=4.0.0
 LLVM_NAME=llvm-$LLVM_VERSION.src
 LLVM_SOURCE=$TP_SOURCE_DIR/$LLVM_NAME
 


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