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cmd/go: improvements

Do not treat $GOROOT/src/pkg, $GOROOT/src/cmd,
$GOPATH/src as package directories (only subdirectories
of those can be package directories).  Fixes issue 2602.

Accept additional compiler and linker arguments during
cgo from $CGO_CFLAGS and $CGO_LDFLAGS, as the
Makefiles used to do.

Show failed pkg-config output.  Fixes issue 2785.

Use different (perhaps better) git commands.  Fixes issue 2109.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5605045
This commit is contained in:
Russ Cox 2012-01-31 17:40:36 -05:00
parent e818536500
commit 0f1056667f
4 changed files with 31 additions and 23 deletions

View File

@ -1131,6 +1131,10 @@ func (b *builder) gccCmd(objdir string) []string {
return a
}
func envList(key string) []string {
return strings.Fields(os.Getenv(key))
}
var cgoRe = regexp.MustCompile(`[/\\:]`)
func (b *builder) cgo(p *Package, cgoExe, obj string, gccfiles []string) (outGo, outObj []string, err error) {
@ -1140,19 +1144,24 @@ func (b *builder) cgo(p *Package, cgoExe, obj string, gccfiles []string) (outGo,
outObj = append(outObj, "") // for importObj, at end of function
cgoCFLAGS := stringList(p.info.CgoCFLAGS)
cgoLDFLAGS := stringList(p.info.CgoLDFLAGS)
cgoCFLAGS := stringList(envList("CGO_CFLAGS"), p.info.CgoCFLAGS)
cgoLDFLAGS := stringList(envList("CGO_LDFLAGS"), p.info.CgoLDFLAGS)
if pkgs := p.info.CgoPkgConfig; len(pkgs) > 0 {
out, err := b.runOut(p.Dir, p.ImportPath, "pkg-config", "--cflags", pkgs)
if err != nil {
return nil, nil, err
b.showOutput(p.Dir, "pkg-config --cflags "+strings.Join(pkgs, " "), string(out))
b.print(err.Error() + "\n")
return nil, nil, errPrintedOutput
}
if len(out) > 0 {
cgoCFLAGS = append(cgoCFLAGS, strings.Fields(string(out))...)
}
out, err = b.runOut(p.Dir, p.ImportPath, "pkg-config", "--libs", pkgs)
if err != nil {
return nil, nil, err
b.showOutput(p.Dir, "pkg-config --libs "+strings.Join(pkgs, " "), string(out))
b.print(err.Error() + "\n")
return nil, nil, errPrintedOutput
}
if len(out) > 0 {
cgoLDFLAGS = append(cgoLDFLAGS, strings.Fields(string(out))...)

View File

@ -215,11 +215,7 @@ func downloadPackage(p *Package) error {
if i := strings.Index(vers, " "); i >= 0 {
vers = vers[:i]
}
tag := selectTag(vers, tags)
if tag == "" {
tag = vcs.tagDefault
}
if err := vcs.tagSync(root, tag); err != nil {
if err := vcs.tagSync(root, selectTag(vers, tags)); err != nil {
return err
}

View File

@ -347,7 +347,7 @@ func allPackages(pattern string) []string {
goroot := build.Path[0].Path
cmd := filepath.Join(goroot, "src/cmd") + string(filepath.Separator)
filepath.Walk(cmd, func(path string, fi os.FileInfo, err error) error {
if err != nil || !fi.IsDir() {
if err != nil || !fi.IsDir() || path == cmd {
return nil
}
name := path[len(cmd):]
@ -378,7 +378,7 @@ func allPackages(pattern string) []string {
}
src := t.SrcDir() + string(filepath.Separator)
filepath.Walk(src, func(path string, fi os.FileInfo, err error) error {
if err != nil || !fi.IsDir() {
if err != nil || !fi.IsDir() || path == src {
return nil
}
@ -445,7 +445,7 @@ func allPackagesInFS(pattern string) []string {
var pkgs []string
filepath.Walk(dir, func(path string, fi os.FileInfo, err error) error {
if err != nil || !fi.IsDir() {
if err != nil || !fi.IsDir() || path == dir {
return nil
}

View File

@ -24,8 +24,8 @@ type vcsCmd struct {
downloadCmd string // command to download updates into an existing repository
tagCmd []tagCmd // commands to list tags
tagDefault string // default tag to use
tagSyncCmd string // command to sync to specific tag
tagSyncDefault string // command to sync to default tag
}
// A tagCmd describes a command to list available tags
@ -71,8 +71,8 @@ var vcsHg = &vcsCmd{
{"tags", `^(\S+)`},
{"branches", `^(\S+)`},
},
tagDefault: "default",
tagSyncCmd: "update -r {tag}",
tagSyncDefault: "update default",
}
// vcsGit describes how to use Git.
@ -84,8 +84,8 @@ var vcsGit = &vcsCmd{
downloadCmd: "fetch",
tagCmd: []tagCmd{{"tag", `^(\S+)$`}},
tagDefault: "master",
tagSyncCmd: "checkout {tag}",
tagSyncDefault: "checkout origin/master",
}
// vcsBzr describes how to use Bazaar.
@ -100,8 +100,8 @@ var vcsBzr = &vcsCmd{
downloadCmd: "pull --overwrite",
tagCmd: []tagCmd{{"tags", `^(\S+)`}},
tagDefault: "revno:-1",
tagSyncCmd: "update -r {tag}",
tagSyncDefault: "update -r revno:-1",
}
// vcsSvn describes how to use Subversion.
@ -198,6 +198,9 @@ func (v *vcsCmd) tagSync(dir, tag string) error {
if v.tagSyncCmd == "" {
return nil
}
if tag == "" && v.tagSyncDefault != "" {
return v.run(dir, v.tagSyncDefault)
}
return v.run(dir, v.tagSyncCmd, "tag", tag)
}