[Buildroot] [PATCH] docs/manual: Document ERLANG_FOOBAR_KEEP_DEPENDENCIES in rebar infra

Johan Oudinet johan.oudinet at gmail.com
Mon Dec 3 11:19:47 UTC 2018

Signed-off-by: Johan Oudinet <johan.oudinet at gmail.com>
 docs/manual/adding-packages-rebar.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/docs/manual/adding-packages-rebar.txt b/docs/manual/adding-packages-rebar.txt
index be9ede0113..b2028b1c5b 100644
--- a/docs/manual/adding-packages-rebar.txt
+++ b/docs/manual/adding-packages-rebar.txt
@@ -86,6 +86,13 @@ If the package bundles a _rebar_ utility, but can use the generic
 * +ERLANG_FOOBAR_REBAR_ENV+, to specify additional environment
   variables to pass to the _rebar_ utility.
+* +ERLANG_FOOBAR_KEEP_DEPENDENCIES+, to keep the dependencies
+  described in the rebar.config file. By default, the _rebar_
+  infrastructure removes such dependencies as a post-patch hook to
+  ensure rebar does not download or compile them. Only set this
+  variable to a non-empty value if the _rebar_ infrastructure must not
+  modify the rebar.config file included in the package.
 With the rebar infrastructure, all the steps required to build
 and install the packages are already defined, and they generally work
 well for most rebar-based packages. However, when required, it is

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