Differential D14040 Diff 38295 tools/llvm-go/llvm-go.go

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tools/llvm-go/llvm-go.go

Show First 20 Lines • Show All 82 Lines • ▼ Show 20 Lines	func llvmConfig(args ...string) string {
}		}

outstr := string(out)		outstr := string(out)
outstr = strings.TrimSuffix(outstr, "\n")		outstr = strings.TrimSuffix(outstr, "\n")
outstr = strings.Replace(outstr, "\n", " ", -1)		outstr = strings.Replace(outstr, "\n", " ", -1)
return outstr		return outstr
}		}

func llvmFlags(linkmode string) compilerFlags {		func llvmFlags(linkmode, dylibName string) compilerFlags {
ldflags := llvmConfig("--ldflags")		ldflags := llvmConfig("--ldflags")
switch linkmode {		switch linkmode {
case linkmodeComponentLibs:		case linkmodeComponentLibs:
ldflags += " " + llvmConfig(append([]string{"--libs"}, components...)...)		ldflags += " " + llvmConfig(append([]string{"--libs"}, components...)...)
case linkmodeDylib:		case linkmodeDylib:
ldflags += " -lLLVM"		ldflags += " -l" + dylibName
default:		default:
panic("invalid linkmode: " + linkmode)		panic("invalid linkmode: " + linkmode)
}		}
ldflags += " " + llvmConfig("--system-libs")		ldflags += " " + llvmConfig("--system-libs")
if runtime.GOOS != "darwin" {		if runtime.GOOS != "darwin" {
// OS X doesn't like -rpath with cgo. See:		// OS X doesn't like -rpath with cgo. See:
// https://code.google.com/p/go/issues/detail?id=7293		// https://code.google.com/p/go/issues/detail?id=7293
ldflags = "-Wl,-rpath," + llvmConfig("--libdir") + " " + ldflags		ldflags = "-Wl,-rpath," + llvmConfig("--libdir") + " " + ldflags
Show All 22 Lines	func addTag(args []string, tag string) []string {
}		}
return args		return args
}		}

func printComponents() {		func printComponents() {
fmt.Println(strings.Join(components, " "))		fmt.Println(strings.Join(components, " "))
}		}

func printConfig(linkmode string) {		func printConfig(linkmode, dylibName string) {
flags := llvmFlags(linkmode)		flags := llvmFlags(linkmode, dylibName)

fmt.Printf(`// +build !byollvm		fmt.Printf(`// +build !byollvm

// This file is generated by llvm-go, do not edit.		// This file is generated by llvm-go, do not edit.

package llvm		package llvm

/*		/*
#cgo CPPFLAGS: %s		#cgo CPPFLAGS: %s
#cgo CXXFLAGS: %s		#cgo CXXFLAGS: %s
#cgo LDFLAGS: %s		#cgo LDFLAGS: %s
*/		*/
import "C"		import "C"

type (run_build_sh int)		type (run_build_sh int)
`, flags.cpp, flags.cxx, flags.ld)		`, flags.cpp, flags.cxx, flags.ld)
}		}

func runGoWithLLVMEnv(args []string, cc, cxx, gocmd, llgo, cppflags, cxxflags, ldflags, linkmode string) {		func runGoWithLLVMEnv(args []string, cc, cxx, gocmd, llgo, cppflags, cxxflags, ldflags, linkmode, dylibName string) {
args = addTag(args, "byollvm")		args = addTag(args, "byollvm")

srcdir := llvmConfig("--src-root")		srcdir := llvmConfig("--src-root")

tmpgopath, err := ioutil.TempDir("", "gopath")		tmpgopath, err := ioutil.TempDir("", "gopath")
if err != nil {		if err != nil {
panic(err.Error())		panic(err.Error())
}		}
Show All 12 Lines	func runGoWithLLVMEnv(args []string, cc, cxx, gocmd, llgo, cppflags, cxxflags, ldflags, linkmode, dylibName string) {
}		}

newpath := os.Getenv("PATH")		newpath := os.Getenv("PATH")

newgopathlist := []string{tmpgopath}		newgopathlist := []string{tmpgopath}
newgopathlist = append(newgopathlist, filepath.SplitList(os.Getenv("GOPATH"))...)		newgopathlist = append(newgopathlist, filepath.SplitList(os.Getenv("GOPATH"))...)
newgopath := strings.Join(newgopathlist, string(filepath.ListSeparator))		newgopath := strings.Join(newgopathlist, string(filepath.ListSeparator))

flags := llvmFlags(linkmode)		flags := llvmFlags(linkmode, dylibName)

newenv := []string{		newenv := []string{
"CC=" + cc,		"CC=" + cc,
"CXX=" + cxx,		"CXX=" + cxx,
"CGO_CPPFLAGS=" + flags.cpp + " " + cppflags,		"CGO_CPPFLAGS=" + flags.cpp + " " + cppflags,
"CGO_CXXFLAGS=" + flags.cxx + " " + cxxflags,		"CGO_CXXFLAGS=" + flags.cxx + " " + cxxflags,
"CGO_LDFLAGS=" + flags.ld + " " + ldflags,		"CGO_LDFLAGS=" + flags.ld + " " + ldflags,
"GOPATH=" + newgopath,		"GOPATH=" + newgopath,
▲ Show 20 Lines • Show All 52 Lines • ▼ Show 20 Lines	func main() {
cc := os.Getenv("CC")		cc := os.Getenv("CC")
cxx := os.Getenv("CXX")		cxx := os.Getenv("CXX")
cppflags := os.Getenv("CGO_CPPFLAGS")		cppflags := os.Getenv("CGO_CPPFLAGS")
cxxflags := os.Getenv("CGO_CXXFLAGS")		cxxflags := os.Getenv("CGO_CXXFLAGS")
ldflags := os.Getenv("CGO_LDFLAGS")		ldflags := os.Getenv("CGO_LDFLAGS")
gocmd := "go"		gocmd := "go"
llgo := ""		llgo := ""
linkmode := linkmodeComponentLibs		linkmode := linkmodeComponentLibs
		dylibName := "LLVM"

flags := []struct {		flags := []struct {
name string		name string
dest *string		dest *string
}{		}{
{"cc", &cc},		{"cc", &cc},
{"cxx", &cxx},		{"cxx", &cxx},
{"go", &gocmd},		{"go", &gocmd},
{"llgo", &llgo},		{"llgo", &llgo},
{"cppflags", &cppflags},		{"cppflags", &cppflags},
{"ldflags", &ldflags},		{"ldflags", &ldflags},
{"linkmode", &linkmode},		{"linkmode", &linkmode},
		{"dylib", &dylibName},
}		}

args := os.Args[1:]		args := os.Args[1:]
LOOP:		LOOP:
for {		for {
if len(args) == 0 {		if len(args) == 0 {
usage()		usage()
}		}
for _, flag := range flags {		for _, flag := range flags {
if strings.HasPrefix(args[0], flag.name+"=") {		if strings.HasPrefix(args[0], flag.name+"=") {
*flag.dest = args[0][len(flag.name)+1:]		*flag.dest = args[0][len(flag.name)+1:]
args = args[1:]		args = args[1:]
continue LOOP		continue LOOP
}		}
}		}
break		break
}		}

switch args[0] {		switch args[0] {
case "build", "get", "install", "run", "test":		case "build", "get", "install", "run", "test":
runGoWithLLVMEnv(args, cc, cxx, gocmd, llgo, cppflags, cxxflags, ldflags, linkmode)		runGoWithLLVMEnv(args, cc, cxx, gocmd, llgo, cppflags, cxxflags, ldflags, linkmode, dylibName)
case "print-components":		case "print-components":
printComponents()		printComponents()
case "print-config":		case "print-config":
printConfig(linkmode)		printConfig(linkmode, dylibName)
default:		default:
usage()		usage()
}		}
}		}