Flexelint from day 1

src/Makefile.am

@@ -39,3 +39,8 @@ dist_man_MANS = \
 
 .rst.1:
 	$(AM_V_GEN) $(RST2MAN) $< $@
+
+.PHONY: flint
+
+flint:
+	flexelint $(AM_CFLAGS) -I .. flint.lnt *.c

src/flint.lnt

+// must always be included to ensure sanity
+-efile(766, config.h)
+
+-e717	// do ... while(0)
+
+// we can not change external interfaces / code
+-efile(766, *_if.c)
+
+// constructors not referenced
+-esym(528, init_*)
+-esym(528, assert_*)