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https://issues.apache.org/jira/browse/COUCHDB-1012?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13029078#comment-13029078
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Andrew Tunnell-Jones commented on COUCHDB-1012:
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As far as I'm aware the only method of giving rebar additional include paths is
to hardcode them in rebar.config with something like {erl_opts, [{i, "Path"}]}.
Due to this I think the least friction for integrating with rebar would be an
option to get the path flag free so something like this can be dropped in
rebar.config:
{pre_hooks, [
{clean, "rm include/couch_helper.hrl"},
{compile, "echo -include\\(\"`pkg-config
whatever`include/couchdb.hrl\"\\). > include/couch_helper.hrl"}
]}.
+1 on having a flag-free path to the lib dir for install commands. An option to
get the path to local.d could be useful too.
> Utility to help plugin developers manage paths
> ----------------------------------------------
>
> Key: COUCHDB-1012
> URL: https://issues.apache.org/jira/browse/COUCHDB-1012
> Project: CouchDB
> Issue Type: New Feature
> Components: Build System
> Reporter: Randall Leeds
> Attachments: 0001-support-pkg-config-for-plugins-COUCHDB-1012.patch
>
>
> Developers may want to write plugins (like GeoCouch) for CouchDB. Many hooks
> in the configuration system allow loading arbitrary Erlang modules to handle
> various internal tasks, but currently there is no straightforward and
> portable way for developers of these plugins to discover the location of the
> CouchDB library files.
> Two options that have been proposed are to use pkg-config or install a
> separate script that could be invoked (e.g. as couch-config --erl-libs) to
> discover important CouchDB installation paths.
> As far as I know the loudest argument against pkg-config is lack of support
> for Windows.
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