Hi folks,
Apparently everyone is jumping on the Leiningen bandwagon and deleting
their build.xml files. I guess that means I'm moving, too.
Now, I like to keep track of Clojure master. Right now, Clojure
reports "Clojure 1.2.0-master-SNAPSHOT".
(I don't see that in Maven Central or in Clojars, so I guess I have to
put it in my local repository...?)
Unfortunately, not everybody keeps up-to-date like I do; most of the
projects I use demand "1.1.0-alpha-SNAPSHOT". I'm sure there are still
projects that demand 1.0.
Adjusting the lein script to use my local Clojure install gave me a
great error:
Caused by: java.lang.NoSuchMethodError: clojure.lang.RestFn.<init>(I)V
at clojure.contrib.with_ns$with_ns__7929.<init>(with_ns.clj:20)
at clojure.contrib.with_ns__init.load(Unknown Source)
at clojure.contrib.with_ns__init.<clinit>(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:247)
at clojure.lang.RT.loadClassForName(RT.java:1523)
at clojure.lang.RT.load(RT.java:396)
at clojure.lang.RT.load(RT.java:378)
at clojure.core$load__4869$fn__4876.invoke(core.clj:4294)
at clojure.core$load__4869.doInvoke(core.clj:4293)
at clojure.lang.RestFn.invoke(RestFn.java:409)
at clojure.core$load_one__4810.invoke(core.clj:4130)
at clojure.core$load_lib__4825.doInvoke(core.clj:4167)
at clojure.lang.RestFn.applyTo(RestFn.java:143)
at clojure.core$apply__3434.invoke(core.clj:478)
at clojure.core$load_libs__4841.doInvoke(core.clj:4193)
at clojure.lang.RestFn.applyTo(RestFn.java:138)
at clojure.core$apply__3434.invoke(core.clj:480)
at clojure.core$use__4865.doInvoke(core.clj:4271)
at clojure.lang.RestFn.invoke(RestFn.java:409)
at leiningen.core$eval__5$loading__4758__auto____6.invoke(core.clj:1)
at leiningen.core$eval__5.invoke(core.clj:1)
at clojure.lang.Compiler.eval(Compiler.java:5349)
and I saw a similar problem with builds that referred to libraries
built with different versions of Clojure.
How do people deal with this? How can one simultaneously use two
libraries which have hardwired dependencies on two different Clojure
versions, each of which might be mutually incompatible?
What's the community protocol around locally installing Clojure 1.2,
and adding that as a dependency for a published library?
What's the right way to get lein itself to use a recent Clojure build,
rather than the version with which it ships?
Thoughts -- and answers! -- welcome.
Thanks,
-R
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