tests+ci: Enable dual XML and HRF output of unit test results
This commit also makes unit tests to run against a debug build, to
ensure assertions are properly evaluated (based on suggestion
in I5f4419ea48d4eb333e9d107115ef3df4123f76e5).
Change-Id: I1bbf14f75aab155ed80a36fc4006f7a5d13f1289
Refs: #2252, #2805
diff --git a/.jenkins.d/README.md b/.jenkins.d/README.md
index 956ae18..3bacba8 100644
--- a/.jenkins.d/README.md
+++ b/.jenkins.d/README.md
@@ -28,3 +28,6 @@
* empty: default build process
* `code-coverage` (Linux OS is assumed): build process with code coverage analysis
+
+- `CACHE_DIR`: the variable defines a path to folder containing cached files from previous builds,
+ e.g., a compiled version of ndn-cxx library. If not set, `/tmp` is used.