33 lines
958 B
Text
33 lines
958 B
Text
import Lake.Build
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import Lake.Package
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open Lake System
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def extDir : FilePath := "ext"
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def addSrc := extDir / "add.cpp"
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def buildDir := defaultBuildDir
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def addO := buildDir / extDir / "add.o"
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def extLib := buildDir / extDir / "libext.a"
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def fetchAddOTarget : IO ActiveFileTarget := do
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skipIfNewer addO (← getMTime addSrc) <|
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BuildTask.spawn <| compileO addO addSrc (cmd := "c++")
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def fetchExtLibTarget : IO ActiveFileTarget := do
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let oTarget ← fetchAddOTarget
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skipIfNewer extLib oTarget.mtime <|
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oTarget >> compileStaticLib extLib #[addO]
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def package : PackageConfig := {
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name := "ext"
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version := "0.1"
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-- customize layout
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srcDir := "lib"
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moduleRoot := `Add
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binName := "add"
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-- specify path to the lib for linker
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linkArgs := #[extLib.toString]
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-- specify the lib target as an additional dependency
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buildMoreDepsTarget := fetchExtLibTarget.map fun target =>
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LeanTarget.fromMTimeTarget <| target.discardArtifact
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}
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