diff --git a/build/root/Makefile b/build/root/Makefile index 609f3a5e709..af5239b3f7d 100644 --- a/build/root/Makefile +++ b/build/root/Makefile @@ -33,10 +33,12 @@ endif SHELL := /usr/bin/env bash -o errexit -o pipefail -o nounset BASH_ENV := ./hack/lib/logging.sh -# Define variables so `make --warn-undefined-variables` works. +# Define optional user-input variables so `make --warn-undefined-variables` works. +# Usage is described below with each target that respects these PRINT_HELP ?= WHAT ?= TESTS ?= +BRANCH ?= # We don't need make's built-in rules. MAKEFLAGS += --no-builtin-rules