import sbt._
import Keys._
import NativeKeys._
import NativeDefaults._
import JniKeys._
object FlowBuild extends Build {
val Organization = "com.github.jodersky"
val Version = "1.0-SNAPSHOT" //version of flow library
val BinaryMajorVersion = 2 //binary major version used to select so's and dlls when publishing (needs to be incremented if API changes are made to flow.h or NativeSerial.java)
val ScalaVersion = "2.10.2"
//see native settings down below
lazy val commonSettings: Seq[Setting[_]] = Seq(
organization := Organization,
version := Version,
scalaVersion := ScalaVersion,
resolvers += "Typesafe Repo" at "http://repo.typesafe.com/typesafe/releases/",
scalacOptions ++= Seq("-deprecation", "-unchecked", "-feature"))
lazy val runSettings: Seq[Setting[_]] = Seq(
fork := true,
connectInput in run := true,
outputStrategy := Some(StdoutOutput)
)
lazy val main: Project = (
Project("flow", file("flow-main"))
settings (commonSettings: _*)
settings (
libraryDependencies ++= Seq(
Dependencies.akkaActor,
Dependencies.ioCore,
Dependencies.ioFile),
compileOrder in Compile := CompileOrder.Mixed,
resourceGenerators in Compile <+= (resourceManaged in Compile, binariesDirectory in ThisBuild) map { (resDir, binDir) =>
val binaries: Seq[(File, File)] = getLatestBinaries(binDir, BinaryMajorVersion)
val resources = for (binary <- binaries) yield {
val versionedBinary = binary._1
val unversionedBinary = binary._2
val relative = (unversionedBinary relativeTo binDir).get.getPath
val resource = resDir / "native" / relative
IO.copyFile(versionedBinary, resource)
resource
}
resources
}
)
)
def getLatestBinaries(base: File, majorVersion: Int): Seq[(File, File)] = {
def latest(platform: File) = {
val Pattern = "(.+)\\.(\\d+)\\.(\\d+)".r
val MajorVersion = majorVersion.toString
val majorCompatible = platform.listFiles.map(_.getAbsolutePath) collect {
case path @ Pattern(strippedPath, MajorVersion, minorVersion) => (path, strippedPath, minorVersion)
}
val latestMinor = majorCompatible.sortBy(_._3).lastOption
latestMinor map { case (path, strippedPath, _) =>
(file(path), file(strippedPath))
}
}
val oSs = IO.listFiles(base).filter(file => !file.name.startsWith("."))
val platforms = oSs.flatMap(_.listFiles)
platforms.flatMap(latest(_))
}
lazy val rwc = (
Project("flow-samples-rwc", file("flow-samples") / "rwc")
settings(commonSettings: _*)
settings(runSettings: _*)
dependsOn(main)
)
lazy val terminal = (
Project("flow-samples-terminal", file("flow-samples") / "terminal")
settings(commonSettings: _*)
settings(runSettings: _*)
dependsOn(main)
)
//--- native settings --------------------------------------------------
val binariesDirectory = settingKey[File]("Directory containing published native binaries.")
override lazy val settings = super.settings ++ Seq(
(binariesDirectory in ThisBuild) := (baseDirectory in ThisBuild).value / "flow-binaries"
)
def canonicalBinaryPath(base: File, binaryName: String) = {
base / sys.props("os.name").toLowerCase.filter(_ != ' ') / sys.props("os.arch").toLowerCase / binaryName
}
val publishNative = taskKey[File]("Publish native binary compiled on current OS to flow-binaries project so that it may be packaged in a distribution of flow.")
val publishNativeImpl = Def.task{
val in = (link in Native).value
val out = canonicalBinaryPath((binariesDirectory in ThisBuild).value, in.getName)
IO.copyFile(in, out)
out
}
lazy val commonNativeSettings: Seq[Setting[_]] = Seq(
nativeSource in Native := baseDirectory.value / "src",
includeDirectories in Native += file("flow-native") / "shared" / "include",
nativeCompile in Native := ((nativeCompile in Native) dependsOn (compile in Compile in main)).value,
publishNative := publishNativeImpl.value,
javahClasspath := Seq((classDirectory in Compile in main).value),
javahClasses := Seq("com.github.jodersky.flow.internal.NativeSerial")) ++ JniDefaults.defaultSettings
//--- native unix-like settings ----------------------------------------
val UnixBinaryMinorVersion = 1
lazy val unixNativeSettings: Seq[Setting[_]] = commonNativeSettings ++ Seq(
flags in Native := Seq("-fPIC", "-O2")
)
lazy val nativeLinux = (
NativeProject("flow-native-linux", file("flow-native") / "unix")
settings (unixNativeSettings: _*)
settings (
target := baseDirectory.value / "target" / "linux",
includeDirectories in Native += jdkHome.value / "include" / "linux",
linkFlags in Native ++= Seq("-shared", s"-Wl,-soname,libflow.so.${BinaryMajorVersion}"),
binaryName in Native := s"libflow.so.${BinaryMajorVersion}.${UnixBinaryMinorVersion}"
)
dependsOn(main)
)
lazy val nativeMacOSX = (
NativeProject("flow-native-macosx", file("flow-native") / "unix")
settings (unixNativeSettings: _*)
settings (
target := baseDirectory.value / "target" / "macosx",
includeDirectories in Native += file("/System/Library/Frameworks/JavaVM.framework/Headers/jni.h"),
includeDirectories in Native += file("/Developer/SDKs/MacOSX10.6.sdk/System/Library/Frameworks/JavaVM.framework/Versions/A/Headers"),
linkFlags in Native ++= Seq("-dynamiclib"),
binaryName in Native := s"libflow.jnilib.${BinaryMajorVersion}.${UnixBinaryMinorVersion}"
)
dependsOn (main)
)
/* stub for native project on windows, I don't know if this would actually work...
*
* val WindowsBinaryMinorVersion = 0
*
lazy val nativeWindows = (
NativeProject("flow-native-windows", file("flow-native") / "windows") //note: change from unix to windows
settings (
//windows is not a unix-like OS, several default settings need to be changed
cCompiler in Native := "???",
flags in Native := Seq("-fPIC", "-O2"),
linkFlags in Native ++= ???,
binaryName in Native := s"flow.dll.${BinaryMajorVersion}.${WindowsBinaryMinorVersion}"
includeDirectories in Native += jdkHome.value / "include" / "windows"
)
dependsOn (main)
)*/
}