Unify configure scripts

configure

@@ -1,21 +1,104 @@
-#! /bin/sh
+#!/usr/bin/env python
 
-# v8 doesn't like ccache
-if [ ! -z "`echo $CC | grep ccache`" ]; then
-  echo "Error: V8 doesn't like cache. Please set your CC env var to 'gcc'"
-  echo "  (ba)sh: export CC=gcc"
-  exit 1
-fi
+import optparse
+import os
+import sys
+import json
 
-CUR_DIR=$PWD
+root_dir = os.path.dirname(__file__)
+os.chdir(root_dir)
 
-#possible relative path
-WORKINGDIR=`dirname $0`
-cd "$WORKINGDIR"
-#abs path
-WORKINGDIR=`pwd`
-cd "$CUR_DIR"
+use_gyp = False
 
-"${WORKINGDIR}/tools/waf-light" --jobs=1 configure $*
+for a in sys.argv:
+  if a == '--use-gyp':
+    use_gyp = True
+    break
+
+# Default to the old WAF system
+if not use_gyp:
+  r = os.system("./tools/waf-light --jobs=1 configure " + ' '.join(sys.argv[1:]))
+  exit(r)
+
+# GYP specific configure script
+
+# parse our options
+parser = optparse.OptionParser()
+
+parser.add_option("--use-gyp", action="store_true", help="placeholder")
+
+parser.add_option("--debug", action="store_true", dest="debug",
+    default=False, help="Also build debug build")
+
+parser.add_option("--prefix", action="store", dest="prefix",
+    help="Select the install prefix (defaults to /usr/local)")
+
+# TODO options to support for backwards compatibility
+#
+#  --without-snapshot
+#    Build without snapshotting V8 libraries. You might want to set this for
+#    cross-compiling.  [Default: False]
+#
+#  --without-ssl
+#    Build without SSL
+#
+#  --shared-v8
+#    Link to a shared V8 DLL instead of static linking
+#
+#  --shared-v8-includes=SHARED_V8_INCLUDES
+#    Directory containing V8 header files
+#
+#  --shared-v8-libpath=SHARED_V8_LIBPATH
+#    A directory to search for the shared V8 DLL
+#
+#  --shared-v8-libname=SHARED_V8_LIBNAME
+#    Alternative lib name to link to (default: 'v8')
+#
+#  --openssl-includes=OPENSSL_INCLUDES
+#    A directory to search for the OpenSSL includes
+#
+#  --openssl-libpath=OPENSSL_LIBPATH
+#    A directory to search for the OpenSSL libraries
+#
+#  --no-ssl2
+#    Disable OpenSSL v2
+#
+#  --gdb
+#    add gdb support
+#
+#  --shared-cares
+#    Link to a shared C-Ares DLL instead of static linking
+#
+#  --shared-cares-includes=SHARED_CARES_INCLUDES
+#    Directory containing C-Ares header files
+#
+#  --shared-cares-libpath=SHARED_CARES_LIBPATH
+#    A directory to search for the shared C-Ares DLL
+#
+#  --with-dtrace
+#    Build with DTrace (experimental)
+#
+#  --dest-cpu=DEST_CPU
+#    CPU architecture to build for. Valid values are: arm, ia32, x64
+
+
+(options, args) = parser.parse_args()
+
+print "configure options:", options
+
+output = {
+  'variables': {
+    'node_debug': 'true' if options.debug else 'false',
+    'node_prefix': options.prefix if options.prefix else ''
+  }
+}
+
+fn = os.path.join(root_dir, 'options.gypi')
+print "creating ", fn
+
+f = open(fn, 'w+')
+f.write("# Do not edit. Generated by the configure script.\n")
+json.dump(output, f, indent=2, skipkeys=True)
+f.write("\n")
+f.close()
 
-exit $?