diff options
Diffstat (limited to 'bootstrap.go')
| -rw-r--r-- | bootstrap.go | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/bootstrap.go b/bootstrap.go new file mode 100644 index 0000000..de13b2b --- /dev/null +++ b/bootstrap.go @@ -0,0 +1,56 @@ +// Copyright 2015 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 kati + +import ( + "fmt" + "path/filepath" + "strings" +) + +const bootstrapMakefileName = "*bootstrap*" + +func BootstrapMakefile(targets []string) Makefile { + bootstrap := ` +CC:=cc +CXX:=g++ +AR:=ar +MAKE:=kati +# Pretend to be GNU make 3.81, for compatibility. +MAKE_VERSION:=3.81 +SHELL:=/bin/sh +# TODO: Add more builtin vars. + +# http://www.gnu.org/software/make/manual/make.html#Catalogue-of-Rules +# The document above is actually not correct. See default.c: +# http://git.savannah.gnu.org/cgit/make.git/tree/default.c?id=4.1 +.c.o: + $(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c -o $@ $< +.cc.o: + $(CXX) $(CXXFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c -o $@ $< +# TODO: Add more builtin rules. +` + bootstrap += fmt.Sprintf("MAKECMDGOALS:=%s\n", strings.Join(targets, " ")) + cwd, err := filepath.Abs(".") + if err != nil { + panic(err) + } + bootstrap += fmt.Sprintf("CURDIR:=%s\n", cwd) + mk, err := ParseMakefileString(bootstrap, bootstrapMakefileName, 0) + if err != nil { + panic(err) + } + return mk +} |