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Commit 50dfc16e authored by Yi Kong's avatar Yi Kong Committed by Automerger Merge Worker
Browse files

Merge "Introduce LTO property for -fwhole-program-vtables cflag" am: 52cebe5a am: 6b8931ce 

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1429862

Change-Id: I9943b1230638a8563249f66e756a78a7cb70cc28
parents 4bc86bdb 6b8931ce

cc/lto.go

+7 −0
Original line number Diff line number Diff line
@@ -52,6 +52,9 @@ type LTOProperties struct { 


	// Use clang lld instead of gnu ld.

	Use_clang_lld *bool



	// Use -fwhole-program-vtables cflag.

	Whole_program_vtables *bool

}



type lto struct {
@@ -97,6 +100,10 @@ func (lto *lto) flags(ctx BaseModuleContext, flags Flags) Flags { 
		flags.Local.CFlags = append(flags.Local.CFlags, ltoFlag)

		flags.Local.LdFlags = append(flags.Local.LdFlags, ltoFlag)



		if Bool(lto.Properties.Whole_program_vtables) {

			flags.Local.CFlags = append(flags.Local.CFlags, "-fwhole-program-vtables")

		}



		if ctx.Config().IsEnvTrue("USE_THINLTO_CACHE") && Bool(lto.Properties.Lto.Thin) && lto.useClangLld(ctx) {

			// Set appropriate ThinLTO cache policy

			cacheDirFormat := "-Wl,--thinlto-cache-dir="