Merge pull request #14615 from rabbitmq/mergify/bp/v4.2.x/pr-14577

Add `NON_DETERMINISTIC` make variable (backport #14577)

Author: michaelklishin

deps/rabbit/Makefile

@@ -367,7 +367,9 @@ RMQ_ERLC_OPTS += -DTRACE_SUPERVISOR2=true
 endif
 
 # https://www.erlang.org/doc/apps/parsetools/leex.html#file/2
-YRL_ERLC_OPTS ?= +deterministic
+ifndef NON_DETERMINISTIC
+YRL_ERLC_OPTS += +deterministic
+endif
 
 # --------------------------------------------------------------------
 # Documentation.

deps/rabbit_common/mk/rabbitmq-build.mk

@@ -15,7 +15,9 @@ ifneq ($(filter rabbitmq_cli,$(BUILD_DEPS) $(DEPS)),)
 RMQ_ERLC_OPTS += -pa $(DEPS_DIR)/rabbitmq_cli/ebin
 endif
 
-RMQ_ERLC_OPTS ?= +deterministic
+ifndef NON_DETERMINISTIC
+RMQ_ERLC_OPTS += +deterministic
+endif
 
 # Push our compilation options to both the normal and test ERLC_OPTS.
 ERLC_OPTS += $(RMQ_ERLC_OPTS)