chisel compilation error: object plugin is not a member of package chisel3.internal

user_7573878 0
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I am studying chisel3 with a small trial project.

I finished code, fixed several syntax issues in compilation, then, it reported an error without indicating error file and line number.

$ sbt test
[info] welcome to sbt 1.4.9 (Red Hat, Inc. Java 1.8.0_292)
[info] loading settings for project fparser-build from plugins.sbt ...
[info] loading project definition from /mnt/disk1/yupeng/repos/fparser/project
[info] loading settings for project root from build.sbt ...
[info] set current project to fparser (in build file:/mnt/disk1/yupeng/repos/fparser/)
[info] compiling 3 Scala sources to /mnt/disk1/yupeng/repos/fparser/target/scala-2.12/classes ...
[error] ## Exception when compiling 3 sources to /mnt/disk1/yupeng/repos/fparser/target/scala-2.12/classes
[error] scala.reflect.internal.Types$TypeError: object plugin is not a member of package chisel3.internal
[error] 
[error]            
[error] scala.reflect.internal.Types$TypeError: object plugin is not a member of package chisel3.internal
[error] (Compile / compileIncremental) scala.reflect.internal.Types$TypeError: object plugin is not a member of package chisel3.internal
[error] Total time: 3 s, completed Jul 16, 2021 4:38:42 PM

what does it mean? please help.

chisel scala
1 Answers

I just found, the error is gone after I changed chisel3 versions in build.sbt.

    libraryDependencies ++= Seq(
      "edu.berkeley.cs" %% "chisel3" % "3.4.3",
//      "edu.berkeley.cs" %% "chisel3" % "3.2.6", // this one generate plugin error above
      "edu.berkeley.cs" %% "chiseltest" % "0.3.3" % "test",
      "edu.berkeley.cs" %% "rocketchip" % "1.2.6"

Previously I changed from 3.4.3 to 3.2.6 because sbt warning of

[warn] There may be incompatibilities among your library dependencies; run 'evicted' to see detailed eviction warnings.

I ran sbt evicted and it said rocketchip 1.2.6 should use chisel3 3.2.6.

Maybe someone can clarify.

user_75738780
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