1 files changed, 21 insertions, 0 deletions
diff --git a/project/JNIBuild.scala b/project/JNIBuild.scala
new file mode 100644
index 0000000..95509fb
--- /dev/null
+++ b/project/JNIBuild.scala
@@ -0,0 +1,21 @@
+import sbt._
+import Keys._
+
+object JNIBuild {
+  val jdkHome = SettingKey[File]("jdk-home", "Home of JDK.")
+  val javaClass = SettingKey[String]("jni-class", "Fully qualified name of class containing native declarations.")
+
+  val javah = TaskKey[Unit]("javah", "Generate JNI headers.")
+
+  val javahTask = javah <<= (javaClass, NativeBuild.sourceDirectory, Keys.classDirectory in Compile) map { (j, src, cp) =>
+    val cmd = "javah -d " + src.absolutePath + " -classpath " + cp.absolutePath + " " + j
+    cmd !;
+    {}
+  } dependsOn (Keys.compile in Compile)
+
+  val defaults = NativeBuild.defaults ++ Seq(
+    javahTask,
+    NativeBuild.compile <<= NativeBuild.compile.dependsOn(javah))
+
+}
+