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Merge pull request #2920 from eed3si9n/fport/2754 

[fport] SD-232 Recycle classloaders to be anti-hostile to JIT
This commit is contained in:
eugene yokota 2017-01-15 21:01:48 -05:00 committed by GitHub
parent ece78d67de 1822d3f67b
commit 84ab6bf5e4
1 changed files with 16 additions and 2 deletions
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18
main/src/main/scala/sbt/Defaults.scala
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@ -307,8 +307,22 @@ object Defaults extends BuildCommon {
if (plugin) scalaBase / ("sbt-" + sbtv) else scalaBase
}
def compilersSetting = compilers := Compiler.compilers(scalaInstance.value, classpathOptions.value, javaHome.value,
bootIvyConfiguration.value, fileToStore.value, scalaCompilerBridgeSource.value)(appConfiguration.value, streams.value.log)
def compilersSetting = {
compilers := {
val compilers = Compiler.compilers(
scalaInstance.value, classpathOptions.value, javaHome.value, bootIvyConfiguration.value,
fileToStore.value, scalaCompilerBridgeSource.value
)(appConfiguration.value, streams.value.log)
if (java.lang.Boolean.getBoolean("sbt.disable.interface.classloader.cache")) compilers else {
compilers.withScalac(
compilers.scalac match {
case x: AnalyzingCompiler => x.withClassLoaderCache(state.value.classLoaderCache)
case x => x
}
)
}
}
}
lazy val configTasks = docTaskSettings(doc) ++ inTask(compile)(compileInputsSettings) ++ configGlobal ++ compileAnalysisSettings ++ Seq(
compile := compileTask.value,