Error out if enumerating the generated data files fails
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/tests/Makefile b/tests/Makefile
index 251a9c6..449fca2 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -63,7 +63,13 @@
endif
.PHONY: generated_files
-GENERATED_DATA_FILES := $(patsubst tests/%,%,$(shell $(PYTHON) scripts/generate_psa_tests.py --list))
+GENERATED_DATA_FILES := $(patsubst tests/%,%,$(shell \
+ $(PYTHON) scripts/generate_psa_tests.py --list || \
+ echo FAILED \
+))
+ifeq ($(GENERATED_DATA_FILES),FAILED)
+$(error "$(PYTHON) scripts/generate_psa_tests.py --list" failed)
+endif
GENERATED_FILES := $(GENERATED_DATA_FILES)
generated_files: $(GENERATED_FILES)