forked from constabulary/gb
/
gc14.go
101 lines (92 loc) · 2.74 KB
/
gc14.go
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// +build !go1.5
package gb
import (
"fmt"
"go/build"
"os"
"path/filepath"
"runtime"
)
func GcToolchain(opts ...func(*gcoption)) func(c *Context) error {
defaults := []func(*gcoption){
func(opt *gcoption) {
opt.goos = runtime.GOOS
},
func(opt *gcoption) {
opt.goarch = runtime.GOARCH
},
}
var options gcoption
for _, opt := range append(defaults, opts...) {
opt(&options)
}
return func(c *Context) error {
goroot := runtime.GOROOT()
goos := options.goos
goarch := options.goarch
archchar, err := build.ArchChar(goarch)
if err != nil {
return err
}
tooldir := filepath.Join(goroot, "pkg", "tool", goos+"_"+goarch)
c.tc = &gcToolchain{
goos: goos,
goarch: goarch,
gc: filepath.Join(tooldir, archchar+"g"),
ld: filepath.Join(tooldir, archchar+"l"),
as: filepath.Join(tooldir, archchar+"a"),
cc: filepath.Join(tooldir, archchar+"c"),
pack: filepath.Join(tooldir, "pack"),
}
return nil
}
}
func (t *gcToolchain) Gc(pkg *Package, searchpaths []string, importpath, srcdir, outfile string, files []string, complete bool) error {
Debugf("gc:gc %v %v %v %v", importpath, srcdir, outfile, files)
args := append(pkg.gcflags, "-p", importpath, "-pack")
args = append(args, "-o", outfile)
for _, d := range searchpaths {
args = append(args, "-I", d)
}
if complete {
args = append(args, "-complete")
}
args = append(args, files...)
if err := mkdir(filepath.Dir(outfile)); err != nil {
return fmt.Errorf("gc:gc: %v", err)
}
return pkg.runOut(os.Stdout, srcdir, nil, t.gc, args...)
}
func (t *gcToolchain) Asm(pkg *Package, srcdir, ofile, sfile string) error {
includedir := filepath.Join(runtime.GOROOT(), "pkg", t.goos+"_"+t.goarch)
args := []string{"-o", ofile, "-D", "GOOS_" + t.goos, "-D", "GOARCH_" + t.goarch, "-I", includedir, sfile}
if err := mkdir(filepath.Dir(ofile)); err != nil {
return fmt.Errorf("gc:asm: %v", err)
}
return pkg.run(srcdir, nil, t.as, args...)
}
func (t *gcToolchain) Ld(pkg *Package, searchpaths []string, outfile, afile string) error {
args := append(pkg.ldflags, "-o", outfile)
for _, d := range searchpaths {
args = append(args, "-L", d)
}
args = append(args, "-extld="+gcc()) // TODO(dfc) go 1.5+, "-buildmode=exe")
args = append(args, afile)
if err := mkdir(filepath.Dir(outfile)); err != nil {
return fmt.Errorf("gc:ld: %v", err)
}
return pkg.run(".", nil, t.ld, args...)
}
func (t *gcToolchain) Cc(pkg *Package, ofile, cfile string) error {
args := []string{
"-F", "-V", "-w",
"-trimpath", pkg.Workdir(),
"-I", pkg.Objdir(),
"-I", filepath.Join(pkg.GOROOT, "pkg", pkg.GOOS+"_"+pkg.GOARCH), // for runtime.h
"-o", ofile,
"-D", "GOOS_" + pkg.GOOS,
"-D", "GOARCH_" + pkg.GOARCH,
cfile,
}
return pkg.run(pkg.Dir, nil, t.cc, args...)
}