1 files changed, 2 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 0d53a15e60..8166e55843 100644
--- a/Makefile
+++ b/Makefile
@@ -60,8 +60,10 @@ REALGOALS=$(filter-out binary-dist binary-dist-prep bootstrapping-files framewor
 # it does nothing if we specify a target that already exists.
 .PHONY: $(REALGOALS)
 $(REALGOALS) all: mk/config.mk.old mk/project.mk.old compiler/ghc.cabal.old
+ifneq "$(OMIT_PHASE_0)" "YES"
 	@echo "===--- building phase 0"
 	$(MAKE) -r --no-print-directory -f ghc.mk phase=0 phase_0_builds
+endif
 ifneq "$(OMIT_PHASE_1)" "YES"
 	@echo "===--- building phase 1"
 	$(MAKE) -r --no-print-directory -f ghc.mk phase=1 phase_1_builds