53 lines
1.5 KiB
Go
53 lines
1.5 KiB
Go
// Copyright 2015 Google Inc. All rights reserved
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package kati
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import (
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"fmt"
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"path/filepath"
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"strings"
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)
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const bootstrapMakefileName = "*bootstrap*"
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func bootstrapMakefile(targets []string) (makefile, error) {
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bootstrap := `
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CC?=cc
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CXX?=g++
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AR?=ar
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MAKE?=kati
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# Pretend to be GNU make 3.81, for compatibility.
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MAKE_VERSION?=3.81
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KATI?=kati
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SHELL=/bin/sh
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# TODO: Add more builtin vars.
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# http://www.gnu.org/software/make/manual/make.html#Catalogue-of-Rules
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# The document above is actually not correct. See default.c:
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# http://git.savannah.gnu.org/cgit/make.git/tree/default.c?id=4.1
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.c.o:
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$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c -o $@ $<
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.cc.o:
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$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c -o $@ $<
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# TODO: Add more builtin rules.
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`
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bootstrap += fmt.Sprintf("MAKECMDGOALS:=%s\n", strings.Join(targets, " "))
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cwd, err := filepath.Abs(".")
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if err != nil {
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return makefile{}, err
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}
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bootstrap += fmt.Sprintf("CURDIR:=%s\n", cwd)
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return parseMakefileString(bootstrap, srcpos{bootstrapMakefileName, 0})
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}
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