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ScriptCraft/buildSrc/src/main/kotlin/jni.gradle.kts

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val cDir = File(rootProject.projectDir.absolutePath, "src/main/c")
class JNIPlatform(val name: String, val libExtension: String, rootDir: File) {
val cmakeArgs: Array<String> = arrayOf("-DCMAKE_TOOLCHAIN_FILE=${rootDir.absolutePath}/cmake/${name}-toolchain.cmake")
}
val jniPlatforms = arrayOf(
JNIPlatform("linux-x86_64", ".so", rootDir),
JNIPlatform("linux-x86", ".so", rootDir),
JNIPlatform("linux-armhf", ".so", rootDir),
JNIPlatform("linux-arm64", ".so", rootDir),
JNIPlatform("windows-x86_64", ".dll", rootDir),
JNIPlatform("windows-x86", ".dll", rootDir)
)
tasks.register("cleanJNI") {
group = "jni"
}
tasks.register("compileJNI") {
group = "jni"
}
jniPlatforms.forEach {
val buildDir = File(cDir, "build-${it.name}")
tasks.register<Exec>("cmake-${it.name}") {
doFirst {
if (!buildDir.exists()) {
buildDir.mkdir()
}
}
group = "jni"
workingDir(buildDir)
executable("cmake")
args(it.cmakeArgs, "..")
}
tasks.register<Exec>("compileJNI-${it.name}") {
group = "jni"
workingDir(buildDir)
executable("make")
dependsOn(tasks["cmake-${it.name}"])
}
tasks.named("compileJNI") {
dependsOn(tasks["compileJNI-${it.name}"])
}
tasks.register<Delete>("cleanJNI-${it.name}") {
group = "jni"
delete(buildDir)
}
tasks.named("cleanJNI") {
dependsOn(tasks["cleanJNI-${it.name}"])
}
}
tasks.named("clean") {
dependsOn(tasks["cleanJNI"])
}
tasks.named<Copy>("processResources") {
dependsOn(tasks["compileJNI"])
jniPlatforms.forEach {
val buildDir = File(cDir, "build-${it.name}")
if (!buildDir.exists()) {
buildDir.mkdir()
}
val file = File(buildDir, "libscriptcraft${it.libExtension}")
inputs.files(file)
from(file.absolutePath) {
into(File("natives", it.name).path)
}
}
}