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package ch.jodersky.sbt.jni
package build
import java.io.File
import sbt._
trait ConfigureMakeInstall { self: BuildTool =>
/* API for native build tools that use a standard 'configure && make && make install' process,
* where the configure step is left ab
stract. */
trait Instance extends self.Instance {
def log: Logger
def baseDirectory: File
def buildDirectory: File
def clean() = Process("make clean", buildDirectory) ! log
def configure(targetDirectory: File): ProcessBuilder
def make(): ProcessBuilder = Process("make VERBOSE=1", buildDirectory)
def install(): ProcessBuilder = Process("make install", buildDirectory)
def library(
targetDirectory: File
): File = {
val ev: Int = (
configure(targetDirectory) #&& make() #&& install()
) ! log
if (ev != 0) sys.error(s"Building native library failed. Exit code: ${ev}")
val products: List[File] =
(targetDirectory ** ("*.so" | "*.dylib")).get.filter(_.isFile).toList
// only one produced library is expected
products match {
case Nil =>
sys.error(s"No files were created during compilation, " +
s"something went wrong with the ${name} configuration.")
case head :: Nil =>
head
case head :: tail =>
log.warn("More than one file was created during compilation, " +
s"only the first one (${head.getAbsolutePath}) will be used.")
head
}
}
}
}
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