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std/build: Add support for LTO configuration

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Hubert Jasudowicz 2021-02-22 20:37:10 +01:00 committed by Veikka Tuominen
parent 4f11a88b9f
commit 3c0238e731
1 changed files with 10 additions and 0 deletions
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10
lib/std/build.zig
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@ -1421,6 +1421,8 @@ pub const LibExeObjStep = struct {
/// Overrides the default stack size
stack_size: ?u64 = null,
want_lto: ?bool = null,
const LinkObject = union(enum) {
StaticPath: []const u8,
OtherStep: *LibExeObjStep,
@ -2589,6 +2591,14 @@ pub const LibExeObjStep = struct {
}
}
if (self.want_lto) |lto| {
if (lto) {
try zig_args.append("-flto");
} else {
try zig_args.append("-fno-lto");
}
}
if (self.subsystem) |subsystem| {
try zig_args.append("--subsystem");
try zig_args.append(switch (subsystem) {