lean4-htt/Lake/BuildTargets.lean
2021-08-19 23:21:23 -04:00

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/-
Copyright (c) 2021 Mac Malone. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Authors: Mac Malone
-/
import Lake.Compile
import Lake.BuildTarget
open System
namespace Lake
def oFileTarget
(oFile : FilePath) (srcTarget : FileTarget)
(args : Array String := #[]) (cmd := "c++") : FileTarget :=
Target.mk oFile srcTarget.trace <|
unless (← checkIfNewer oFile srcTarget.mtime) do
srcTarget >> compileO oFile srcTarget.file args cmd
def staticLibTarget
(libFile : FilePath) (oFileTargets : Array FileTarget) : FileTarget :=
let linkFiles := oFileTargets.map (·.artifact)
let trace := mixTraceArray <| oFileTargets.map (·.trace)
Target.mk libFile trace do
unless (← checkIfNewer libFile trace.mtime) do
oFileTargets >> compileStaticLib libFile linkFiles