Merge experimental/a64 to bleeding_edge.

tools/cross_build_gcc.sh

Index: tools/cross_build_gcc.sh
diff --git a/build/gyp_v8.py b/tools/cross_build_gcc.sh
old mode 100644
new mode 100755
similarity index 67%
copy from build/gyp_v8.py
copy to tools/cross_build_gcc.sh
index 462ee674acbbc5880fe685507fb4527976f50de2..b9e87280db72a8c95d8f98db059e43f5664eacf5
--- a/build/gyp_v8.py
+++ b/tools/cross_build_gcc.sh
@@ -1,3 +1,5 @@
+#!/bin/sh
+#
 # Copyright 2013 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
@@ -25,17 +27,41 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# This file is (possibly, depending on python version) imported by
-# gyp_v8 when GYP_PARALLEL=1 and it creates sub-processes through the
-# multiprocessing library.
+if [ "$#" -lt 1 ]; then
+  echo "Usage: tools/cross_build_gcc.sh <GCC prefix> [make arguments ...]"
+  exit 1
+fi
 
-# Importing in Python 2.6 (fixed in 2.7) on Windows doesn't search for imports
-# that don't end in .py (and aren't directories with an __init__.py). This
-# wrapper makes "import gyp_v8" work with those old versions and makes it
-# possible to execute gyp_v8.py directly on Windows where the extension is
-# useful.
+export CXX=$1g++
+export AR=$1ar
+export RANLIB=$1ranlib
+export CC=$1gcc
+export LD=$1g++
 
-import os
+OK=1
+if [ ! -x "$CXX" ]; then
+  echo "Error: $CXX does not exist or is not executable."
+  OK=0
+fi
+if [ ! -x "$AR" ]; then
+  echo "Error: $AR does not exist or is not executable."
+  OK=0
+fi
+if [ ! -x "$RANLIB" ]; then
+  echo "Error: $RANLIB does not exist or is not executable."
+  OK=0
+fi
+if [ ! -x "$CC" ]; then
+  echo "Error: $CC does not exist or is not executable."
+  OK=0
+fi
+if [ ! -x "$LD" ]; then
+  echo "Error: $LD does not exist or is not executable."
+  OK=0
+fi
+if [ $OK -ne 1 ]; then
+  exit 1
+fi
 
-path = os.path.abspath(os.path.split(__file__)[0])
-execfile(os.path.join(path, 'gyp_v8'))
+shift
+make snapshot=off $@