for now, accept string formats that truncate (as long as they don't overflow!)

Author: jepler

src/Makefile

@@ -244,7 +244,7 @@ INCLUDE += $(LIBTIRPC_CFLAGS)
 # Compilation options.	Perhaps some of these should come from Makefile.inc? (CXXFLAGS now does)
 INTEGER_OVERFLOW_FLAGS := -fwrapv
 OPT := -Os $(INTEGER_OVERFLOW_FLAGS)
-DEBUG := $(DEBUG) -g -Werror -Werror=all -Wstringop-truncation -Wno-stringop-truncation
+DEBUG := $(DEBUG) -g -Werror -Werror=all -Wstringop-truncation -Wno-stringop-truncation -Wno-format-truncation
 CFLAGS := $(INCLUDE) $(OPT) $(DEBUG) $(EXTRA_DEBUG) -DULAPI -std=gnu11 -Werror=implicit-function-declaration $(CFLAGS) $(CPPFLAGS)
 CXXFLAGS := $(INCLUDE) $(EXTRA_DEBUG) -DULAPI $(DEBUG) $(OPT) -Werror=overloaded-virtual $(CXXFLAGS) $(CPPFLAGS)
 CXXFLAGS += -std=gnu++17