This isn't really right. :source-paths are for your _sources_, not a
place to drop in whatever paths you want either on the classpath or
included in jar files, etc. Also, all generated content should go into
`target/*`, so that `lein clean` will have its intended effect
(eliminating all artifacts of previous build / project mgmt activities).
(Some tools [definitely Counterclockwise, perhaps other IDE plugins as
well?] also use the value of :source-paths to configure go-to-definition
operations and such, so including non-source directories in
:source-paths will generally yield undesirable effects there.)
When it builds jars, Leiningen includes resources from :source-paths,
:resource-paths, and :compile-path; the latter is almost never
customized, and defaults to "target/classes".
So, you should put your cljx sources in :source-paths. You should have
cljx generate transformation results into some directory under
`target/`. If you want to redistribute the results, you should either
generate cljx results into `target/classes`, or investigate Leiningen's
(plethora of) options for customizing jar contents; see e.g.
https://github.com/technomancy/leiningen/blob/stable/sample.project.clj#L331
FWIW, that isn't cljx-specific at all; the same applies to Clojure
sources that are being AOT-compiled, and with a tweak, to Java sources
to be javac-compiled.
cljsbuild produces *JavaScript* output, so its configuration is never
going to be relevant to whether or not ClojureScript resources produced
by cljx can be consumed by downstream projects.
Dave, thanks for the PR; I'll reply separately to that on github.
- Chas
On 02/13/2014 10:06 PM, Dave Della Costa wrote:
Hi Karsten,
Strangely, I was doing the exact same thing as you yesterday and
struggled for a bit until I found settings that work.
I achieved success when I used the configuration from Cornice as a template:
https://github.com/rkneufeld/cornice/blob/master/project.clj
...with one exception, my cljsbuild config contained only
:cljsbuild {:builds [{:source-paths ["target/generated/cljs"]}]}
vs. all the extra jar config and one not. If I recall correctly, I was
getting the "java.util.zip.ZipException: duplicate entry" you mention
until I removed the extra settings in cljsbuild.
Looking at your config I also suspect you want
:source-paths ["src-cljs"]
instead of
:source-paths ["src-clj" "src-cljs"]
in your cljsbuild config.
However, when I leave the cljsbuild configuration out completely, it
seems to have no bearing on whether or not I can use the generated cljs
files when including the library in another project. I suspect the
":jar true" setting is only relevant if you have strictly cljs files
that need to be included--it seems like cljx has its own orthogonal
build process which automatically includes cljs files in the jar file
but I haven't dug into the code yet to confirm. This is just based on
testing what happens when I tweak config settings (Kevin or Chas please
let me know if I'm off-base here).
What does seem to make all the difference is the sourcepaths settings,
which it doesn't seem you have:
:source-paths ["src" "target/generated-src/clj" "target/generated-src/cljs"]
I needed this before I could see the clj/cljs files getting included in
my library jar.
Obviously, adjust all paths to fit your specific configuration.
I've made a pull request to add a bit of further explanation on using
cljx in libraries, as it would be helpful if this didn't require looking
up how others had done it to figure it out!
https://github.com/lynaghk/cljx/pull/30
Hope this helps--
Best,
Dave
(2014/02/13 20:22), Karsten Schmidt wrote:
I've been busy working on a few libraries targetting both Clojure &
ClojureScript, however so far have only tested the CLJ side and now that
it comes to addressing CLJS am running in circles (and on fumes)
unsuccessfully trying to tweak my project settings to make things work.
All my source is using CLJX stored in the the "src-cljx" folder. My
rules then trigger generated sources into "src-clj" (for all Clojure and
shared macros) and "src-cljs" for CLJS parts only.
My project.clj is as follows:
(defproject foo "0.1.0-SNAPSHOT"
:dependencies [[org.clojure/clojure "1.5.1"]
[org.clojure/clojurescript "0.0-2156"]]
:jar-exclusions [#"\.cljx|\.DS_Store|\.js|\.html"]
:cljx {:builds [{:source-paths ["src-cljx"]
:output-path "src-clj"
:rules :clj}
{:source-paths ["src-cljx"]
:output-path "src-cljs"
:rules :cljs}]}
:cljsbuild {:builds
[{:id "dev"
:source-paths ["src-clj" "src-cljs"]
:compiler
{:pretty-print true
:output-to "foo-0.1.0-SNAPSHOT.js"
:optimizations :simple}
:jar true}]}
:plugins [[com.keminglabs/cljx "0.3.2"]
[lein-cljsbuild "1.0.2"]]
:hooks [cljx.hooks leiningen.cljsbuild])
I can successfully create a JAR from this with `lein install`, however
if I try to use this library as dependency in another CLJS project, none
of the namespaces of this dependency seem to be found, even though I
verified that they're present in the JAR (contains both .clj & .cljs
versions).
So I then assumed the reasons for this are the non-standard names for
the source folders. But adding this line at the root level of
project.clj will not work either and makes `lein install` fail with a
"java.util.zip.ZipException: duplicate entry":
:source-paths ["src-clj" "src-cljs"]
Therefore can someone please explain or point me to a correct project
setup to make this work? I've been trying to find answers on SO &
Google, but it seems this (strangely?) isn't a popular use case and I
couldn't find any helpful answers.
Once this is solved am happy to write up a short tutorial or create a
lein template for future reference.
Thank you!
K.
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