clang/mac: Bundle libc++.dylib with clang.

tools/clang/scripts/package.sh

 #!/bin/bash
 # Copyright (c) 2012 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.
 
 gcc_toolchain=
 
@@ skipping 82 matching lines @@
   SO_EXT="so"
 fi
 
 # Copy buildlog over.
 cp buildlog.txt $PDIR/
 
 # Copy clang into pdir, symlink clang++ to it.
 cp "${LLVM_BIN_DIR}/clang" $PDIR/bin/
 (cd $PDIR/bin && ln -sf clang clang++ && cd -)
 cp "${LLVM_BIN_DIR}/llvm-symbolizer" $PDIR/bin/
+if [ "$(uname -s)" = "Darwin" ]; then
+  cp "${LLVM_BIN_DIR}/libc++.1.${SO_EXT}" $PDIR/bin/
+  (cd $PDIR/bin && ln -sf libc++.1.dylib libc++.dylib && cd -)
+fi
 
 # Copy plugins. Some of the dylibs are pretty big, so copy only the ones we
 # care about.
 cp "${LLVM_LIB_DIR}/libFindBadConstructs.${SO_EXT}" $PDIR/lib
 
 BLINKGCPLUGIN_LIBNAME=\
 $(grep LIBRARYNAME "$THIS_DIR"/../blink_gc_plugin/Makefile \
     | cut -d ' ' -f 3)
 cp "${LLVM_LIB_DIR}/lib${BLINKGCPLUGIN_LIBNAME}.${SO_EXT}" $PDIR/lib
 
@@ skipping 35 matching lines @@
 
 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