--- Makefile.orig	2021-12-07 16:13:53 UTC
+++ Makefile
@@ -252,7 +252,7 @@ endif
 
 .PHONY: compiler cold
 compiler:
-	env MAKE=$(MAKE) BOOTSTRAP_EXTRA_OPTS= BOOTSTRAP_OPT_TARGET=opt.opt BOOTSTRAP_ROOT=.. BOOTSTRAP_DIR=bootstrap ./shell/bootstrap-ocaml.sh $(OCAML_PORT)
+	env CC="$(CC)" MAKE=$(MAKE) BOOTSTRAP_EXTRA_OPTS= BOOTSTRAP_OPT_TARGET=opt.opt BOOTSTRAP_ROOT=.. BOOTSTRAP_DIR=bootstrap ./shell/bootstrap-ocaml.sh $(OCAML_PORT)
 
 src_ext/secondary/ocaml/bin/ocaml:
 	env MAKE=$(MAKE) BOOTSTRAP_EXTRA_OPTS="--disable-ocamldoc --disable-debug-runtime --disable-debugger" BOOTSTRAP_OPT_TARGET=opt BOOTSTRAP_ROOT=../.. BOOTSTRAP_DIR=src_ext/secondary ./shell/bootstrap-ocaml.sh $(OCAML_PORT)