我有一个使用 Scala 2.10 的项目和一个使用 Scala 2.11 的项目。它们依赖于一个共同的项目,该项目可以与两者一起编译。
lazy val foo = (project in file("foo")).dependsOn(baz).settings(
scalaVersion := "2.10.4"
)
lazy val bar = (project in file("bar")).dependsOn(baz).settings(
scalaVersion := "2.11.4"
)
lazy val baz = (project in file("baz")).settings(
crossScalaVersions := Seq("2.10.4", "2.11.4"),
scalaVersion := "2.10.4"
)
And then
$ sbt bar/update
[info] Updating {file:/home/paul/Private/test/}bar...
[info] Resolving baz#baz_2.11;0.1-SNAPSHOT ...
[warn] module not found: baz#baz_2.11;0.1-SNAPSHOT
[warn] ==== local: tried
[warn] /home/paul/.ivy2/local/baz/baz_2.11/0.1-SNAPSHOT/ivys/ivy.xml
[warn] ==== public: tried
[warn] http://repo1.maven.org/maven2/baz/baz_2.11/0.1-SNAPSHOT/baz_2.11-0.1-SNAPSHOT.pom
[info] Resolving jline#jline;2.12 ...
[warn] ::::::::::::::::::::::::::::::::::::::::::::::
[warn] :: UNRESOLVED DEPENDENCIES ::
[warn] ::::::::::::::::::::::::::::::::::::::::::::::
[warn] :: baz#baz_2.11;0.1-SNAPSHOT: not found
[warn] ::::::::::::::::::::::::::::::::::::::::::::::
[trace] Stack trace suppressed: run last bar/*:update for the full output.
[error] (bar/*:update) sbt.ResolveException: unresolved dependency: baz#baz_2.11;0.1-SNAPSHOT: not found
[error] Total time: 1 s, completed Jan 13, 2015 11:42:51 AM
我怎样才能拥有baz
两个项目都可以使用吗?
叶夫根尼·莫尔多夫金提出的解决方案,声明crossPaths := false
在 baz 项目中,有效。
您可以做的另一件事是在前面添加一个+
命令之前:sbt '+ bar/update'
。这将建立baz对于所有声明的 Scala 版本。
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