// Copyright 2014 Google Inc. All rights reserved.
//
// Licensed 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.

package bootstrap

var (
	// These variables are the only configuration needed by the boostrap
	// modules.  They are always set to the variable name enclosed in "@@" so
	// that their values can be easily replaced in the generated Ninja file.
	srcDir            = pctx.StaticVariable("srcDir", "@@SrcDir@@")
	goRoot            = pctx.StaticVariable("goRoot", "@@GoRoot@@")
	goOS              = pctx.StaticVariable("goOS", "@@GoOS@@")
	goArch            = pctx.StaticVariable("goArch", "@@GoArch@@")
	goChar            = pctx.StaticVariable("goChar", "@@GoChar@@")
	bootstrapCmd      = pctx.StaticVariable("bootstrapCmd", "@@Bootstrap@@")
	bootstrapManifest = pctx.StaticVariable("bootstrapManifest",
		"@@BootstrapManifest@@")

	goToolDir = pctx.StaticVariable("goToolDir",
		"$goRoot/pkg/tool/${goOS}_$goArch")
)

type Config interface {
	// GeneratingBootstrapper should return true if this build invocation is
	// creating a build.ninja.in file to be used in a build bootstrapping
	// sequence.
	GeneratingBootstrapper() bool
}