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-rw-r--r--test/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/Makefile b/test/Makefile
index 8e4d3cc..870f4dc 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -61,6 +61,7 @@ OTP_MASTER = https://raw.githubusercontent.com/erlang/otp/master
# V=1: Show test commands.
# V=2: Also show normal Erlang.mk output.
# V=3: Also show verbose Erlang.mk output.
+# V=4: Also show a trace of each command after expansion.
V ?= 0