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