build: require gcc >= 5.3 and switch to C++14
Change-Id: I53ecd93b5666f451129afbe7ba02de357218efb5
Refs: #4462, #3076
diff --git a/.jenkins.d/README.md b/.jenkins.d/README.md
index 41812aa..39fa40b 100644
--- a/.jenkins.d/README.md
+++ b/.jenkins.d/README.md
@@ -13,13 +13,13 @@
* `[OS_TYPE]`: `Linux`
* `[DISTRO_TYPE]`: `Ubuntu`
- * `[DISTRO_VERSION]`: `Ubuntu-14.04`, `Ubuntu-16.04`
+ * `[DISTRO_VERSION]`: `Ubuntu-16.04`, `Ubuntu-18.04`
Possible values for OS X / macOS:
* `[OS_TYPE]`: `OSX`
* `[DISTRO_TYPE]`: `OSX` (can be absent)
- * `[DISTRO_VERSION]`: `OSX-10.10`, `OSX-10.11`, `OSX-10.12`
+ * `[DISTRO_VERSION]`: `OSX-10.11`, `OSX-10.12`, `OSX-10.13`
- `JOB_NAME`: optional variable to define type of the job. Depending on the defined job type,
the build scripts can perform different tasks.