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Diffstat (limited to 'project/NativeBuild.scala')
| -rw-r--r-- | project/NativeBuild.scala | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/project/NativeBuild.scala b/project/NativeBuild.scala new file mode 100644 index 0000000..a77e8f8 --- /dev/null +++ b/project/NativeBuild.scala @@ -0,0 +1,75 @@ +import sbt._ +import Keys._ + +object NativeBuild { + + //settings + val sourceDirectory = SettingKey[File]("native-source-directory", "Native source directory containing files to compile.") + val compiler = SettingKey[String]("native-compiler", "Native compiler.") + val options = SettingKey[Seq[String]]("native-options", "Flags for native compiler.") + val includeDirectories = SettingKey[Seq[File]]("native-include-directories", "Include directories for native compiler.") + val outputDirectory = SettingKey[File]("native-output-directory", "Directory for native output.") + val linker = SettingKey[String]("native-linker", "Native linker.") + val linkerOutput = SettingKey[File]("native-linker-output", "Name of linker output.") + val linkerOptions = SettingKey[Seq[String]]("native-linker-options", "Native linker options.") + val linkerLibraries = SettingKey[Seq[String]]("native-linker-libraries", "Libraries against which to link.") + + //tasks + val outputFromSource = TaskKey[File => File]("native-output-from-source", "Get name of native binary from source file.") + val sources = TaskKey[Seq[File]]("native-source", "Native source files to compile.") + val makeOutputDirectory = TaskKey[Unit]("native-make-output-directory", "Make native output directory.") + val compile = TaskKey[Unit]("native-compile", "Compiles native sources.") + val link = TaskKey[Unit]("native-link", "Link native sources.") + + //task implementations + val outputFromSourceTask = outputFromSource <<= (outputDirectory) map { + outputDir => + ((src: File) => {file((outputDir / src.base).absolutePath + ".o")}) + } + + val makeOutputDirectoryTask = makeOutputDirectory <<= (outputDirectory) map {o => o.mkdirs(); {}} + + def compileSingleFile(compiler: String, options: Seq[String], includeDirectories: Seq[File], source: File, s2o: File => File): Unit = { + val cmdParts = + List(compiler) ++ + options ++ + includeDirectories.map(i => "-I" + i.absolutePath) ++ + List("-c", source.absolutePath) ++ + List("-o", s2o(source)) + + val cmd = cmdParts.mkString(" ") + cmd ! + } + + val compileTask = compile <<= (compiler, options, includeDirectories, sources, outputFromSource) map { + (c, f, i, srcs, out) => for (s <- srcs) compileSingleFile(c,f,i,s,out) + } dependsOn(makeOutputDirectory) + + val linkTask = link <<= (linker, linkerOptions, linkerLibraries, linkerOutput, sources, outputFromSource) map { (l, opts, libs, out, srcs, s2o) => + val outs = srcs.map(s2o(_)) + val cmd: Seq[String] = Seq(l) ++ opts ++ Seq("-o", out.absolutePath) ++ outs.map(_.absolutePath) ++ libs.map(lib => "-l" + lib) + cmd !; + {} + } dependsOn(compile) + + + + lazy val defaults = Seq( + compiler := "gcc", + options := Seq(), + sourceDirectory <<= Keys.sourceDirectory(_ / "main" / "c"), + sources <<= sourceDirectory map (dir => (dir ** "*.c").get), + includeDirectories <<= sourceDirectory(dir => Seq(dir)), + outputDirectory <<= target(_ / "c"), + linker := "gcc", + linkerOutput <<= outputDirectory(_ / "a.out"), + linkerOptions := Seq(), + linkerLibraries := Seq(), + + outputFromSourceTask, + makeOutputDirectoryTask, + compileTask, + linkTask + ) + +}
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