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darwin: add support for ThinLTO

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This commit is contained in:
Ayke van Laethem
2022-05-22 15:29:47 +02:00
committed by Ron Evans
parent c23a5b65ef
commit 046070074d
2 changed files with 9 additions and 8 deletions
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builder/build.go
+9 -4
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@@ -695,10 +695,15 @@ func Build(pkgName, outpath string, config *compileopts.Config, action func(Buil
}
if config.UseThinLTO() {
ldflags = append(ldflags,
"--thinlto-cache-dir="+filepath.Join(cacheDir, "thinlto"),
"-plugin-opt=mcpu="+config.CPU(),
"-plugin-opt=O"+strconv.Itoa(optLevel),
"-plugin-opt=thinlto")
"-mllvm", "-mcpu="+config.CPU(),
"--lto-O"+strconv.Itoa(optLevel))
if config.GOOS() == "darwin" {
// Options for the ld64-compatible lld linker.
ldflags = append(ldflags, "-cache_path_lto", filepath.Join(cacheDir, "thinlto"))
} else {
// Options for the ELF linker.
ldflags = append(ldflags, "--thinlto-cache-dir="+filepath.Join(cacheDir, "thinlto"))
}
if config.CodeModel() != "default" {
ldflags = append(ldflags,
"-mllvm", "-code-model="+config.CodeModel())