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gopy
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bind: add support for symbol removal

This commit is contained in:
Emil Lerch 2017-07-13 23:04:38 +00:00 committed by Sebastien Binet
parent 4442f0a7cd
commit 3b8a754b6c
1 changed files with 24 additions and 18 deletions
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42
cmd_bind.go
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@ -33,6 +33,7 @@ ex:
cmd.Flag.String("lang", defaultPyVersion, "python version to use for bindings (python2|py2|python3|py3)")
cmd.Flag.String("output", "", "output directory for bindings")
cmd.Flag.Bool("symbols", true, "include symbols in output")
return cmd
}
@ -48,6 +49,7 @@ func gopyRunCmdBind(cmdr *commander.Command, args []string) error {
odir := cmdr.Flag.Lookup("output").Value.Get().(string)
lang := cmdr.Flag.Lookup("lang").Value.Get().(string)
symbols := cmdr.Flag.Lookup("symbols").Value.Get().(bool)
cwd, err := os.Getwd()
if err != nil {
@ -134,15 +136,7 @@ func gopyRunCmdBind(cmdr *commander.Command, args []string) error {
As the result, an user can import XXXX.py.
*/
buildname = "_" + buildname
cmd = exec.Command(
"go", "build", "-buildmode=c-shared",
"-o", filepath.Join(wbind, buildname)+".so",
".",
)
cmd.Dir = work
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd = getBuildCommand(wbind, buildname, work, symbols)
err = cmd.Run()
if err != nil {
return err
@ -175,15 +169,7 @@ func gopyRunCmdBind(cmdr *commander.Command, args []string) error {
}
case "python2", "py2":
cmd = exec.Command(
"go", "build", "-buildmode=c-shared",
"-o", filepath.Join(wbind, buildname)+".so",
".",
)
cmd.Dir = work
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd = getBuildCommand(wbind, buildname, work, symbols)
err = cmd.Run()
if err != nil {
return err
@ -208,3 +194,23 @@ func gopyRunCmdBind(cmdr *commander.Command, args []string) error {
}
return err
}
func getBuildCommand(wbind string, buildname string, work string, symbols bool) (cmd *exec.Cmd) {
args := []string{"build", "-buildmode=c-shared"}
if !symbols {
// These flags will omit the various symbol tables, thereby
// reducing the final size of the binary. From https://golang.org/cmd/link/
// -s Omit the symbol table and debug information
// -w Omit the DWARF symbol table
args = append(args, "-ldflags=-s -w")
}
args = append(args, "-o", filepath.Join(wbind, buildname)+".so", ".")
cmd = exec.Command(
"go", args...,
)
cmd.Dir = work
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd
}