2 files changed, 83 insertions, 1 deletions
diff --git a/tools/clang/scripts/package.sh b/tools/clang/scripts/package.sh
new file mode 100755
index 0000000..fa0a575
--- /dev/null
+++ b/tools/clang/scripts/package.sh
@@ -0,0 +1,54 @@
+#!/bin/bash
+# Copyright (c) 2011 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# This script will check out llvm and clang, and then package the results up
+# to a tgz file.
+
+THIS_DIR="$(dirname "${0}")"
+LLVM_BUILD_DIR="${THIS_DIR}/../../../third_party/llvm-build"
+LLVM_BIN_DIR="${LLVM_BUILD_DIR}/Release+Asserts/bin"
+LLVM_LIB_DIR="${LLVM_BUILD_DIR}/Release+Asserts/lib"
+
+set -ex
+
+# Do a clobber build.
+rm -rf "${LLVM_BUILD_DIR}"
+"${THIS_DIR}"/update.sh
+
+R=$("${LLVM_BIN_DIR}/clang" --version | \
+     sed -ne 's/clang version .*(trunk \([0-9]*\))/\1/p')
+
+PDIR=clang-$R
+rm -rf $PDIR
+mkdir $PDIR
+mkdir $PDIR/bin
+mkdir $PDIR/lib
+
+# Copy clang into pdir, symlink clang++ to it.
+cp "${LLVM_BIN_DIR}/clang" $PDIR/bin/
+(cd $PDIR/bin && ln -sf clang clang++ && cd -)
+
+# Copy plugins. Some of the dylibs are pretty big, so copy only the ones we
+# care about.
+if [ "$(uname -s)" = "Darwin" ]; then
+  cp "${LLVM_LIB_DIR}/libFindBadConstructs.dylib" $PDIR/lib
+else
+  cp "${LLVM_LIB_DIR}/libFindBadConstructs.so" $PDIR/lib
+fi
+
+# Copy built-in headers (lib/clang/3.0/include).
+cp -R "${LLVM_LIB_DIR}/clang" $PDIR/lib
+
+tar zcf $PDIR.tgz -C $PDIR bin lib
+
+if [ "$(uname -s)" = "Darwin" ]; then
+  PLATFORM=Mac
+else
+  PLATFORM=Linux_x64
+fi
+
+echo To upload, run:
+echo gsutil cp -a public-read $PDIR.tgz \
+     gs://chromium-browser-clang/$PLATFORM/$PDIR.tgz
diff --git a/tools/clang/scripts/update.sh b/tools/clang/scripts/update.sh
index 352eff1..27abeab 100755
--- a/tools/clang/scripts/update.sh
+++ b/tools/clang/scripts/update.sh
@@ -34,11 +34,37 @@ fi
 # To always force a new build if someone interrupts their build half way.
 rm -f "${STAMP_FILE}"
 
+# Check if there's a prebuilt binary and if so just fetch that. That's faster,
+# and goma relies on having matching binary hashes on client and server too.
+CDS_URL=http://commondatastorage.googleapis.com/chromium-browser-clang
+CDS_FILE="clang-${CLANG_REVISION}.tgz"
+echo Trying to download prebuilt clang
+if [ "$(uname -s)" = "Linux" ]; then
+  wget "${CDS_URL}/Linux_x64/${CDS_FILE}" || rm -f "${CDS_FILE}"
+elif [ "$(uname -s)" = "Darwin" ]; then
+  curl -L --fail -O "${CDS_URL}/Mac/${CDS_FILE}" || rm -f "${CDS_FILE}"
+fi
+if [ -f "${CDS_FILE}" ]; then
+  rm -rf "${LLVM_BUILD_DIR}/Release+Asserts"
+  mkdir -p "${LLVM_BUILD_DIR}/Release+Asserts"
+  tar -xzf "${CDS_FILE}" -C "${LLVM_BUILD_DIR}/Release+Asserts"
+  echo clang "${CLANG_REVISION}" unpacked
+  echo "${CLANG_REVISION}" > "${STAMP_FILE}"
+  exit 0
+else
+  echo Did not find prebuilt clang at r"${CLANG_REVISION}", building
+fi
+
 if grep -q 'src/third_party/llvm":' "${DEPS_FILE}"; then
   echo LLVM pulled in through DEPS, skipping LLVM update step
 else
   echo Getting LLVM r"${CLANG_REVISION}" in "${LLVM_DIR}"
-  svn co --force "${LLVM_REPO_URL}/llvm/trunk@${CLANG_REVISION}" "${LLVM_DIR}"
+  if ! svn co --force "${LLVM_REPO_URL}/llvm/trunk@${CLANG_REVISION}" \
+                      "${LLVM_DIR}"; then
+    echo Checkout failed, retrying
+    rm -rf "${LLVM_DIR}"
+    svn co --force "${LLVM_REPO_URL}/llvm/trunk@${CLANG_REVISION}" "${LLVM_DIR}"
+  fi
 fi
 
 if grep -q 'src/third_party/llvm/tools/clang":' "${DEPS_FILE}"; then
@@ -59,6 +85,8 @@ cd "${LLVM_BUILD_DIR}"
 if [ ! -f ./config.status ]; then
   ../llvm/configure \
       --enable-optimized \
+      --disable-threads \
+      --disable-pthreads \
       --without-llvmgcc \
       --without-llvmgxx
 fi