build: Add "test-update" which passed UPDATE_EXPECTED=1 to refresh c-expected

diff --git a/Makefile.am b/Makefile.am
index 47032fdd7da44690b85e9c686f37a73a693ed2de..19aaa219cb32005bd3ac086736f35ab5811ba7d9 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -56,6 +56,10 @@ test-asan:
 test-ubsan:
        cd tests && $(MAKE) $(AM_MAKEFLAGS) check TEST_CFLAGS="$(TEST_CFLAGS) -g3 -fsanitize=undefined"
 
+.PHONY: test-update
+test-update:
+       cd tests && $(MAKE) $(AM_MAKEFLAGS) check UPDATE_EXPECTED=1
+
 #if ENABLE_COVERAGE
 .PHONY: coverage coverage-report
 coverage: