New way to detect loops in 'verifyrule'

Instead of counting visits, mark each rule being visited, as is usual
for detecting loops when traversing a graph.

1 files changed, 2 insertions, 2 deletions

diff --git a/makefile b/makefile
index 82a95bb..6e49307 100644
--- a/makefile
+++ b/makefile
@@ -1,11 +1,11 @@
 LIBNAME = lpeg
-LUADIR = ./lua/
-#LUADIR = /home/roberto/prj/lua/
+LUADIR = /home/roberto/prj/lua/
 
 COPT = -O2 -DNDEBUG
 # COPT = -O0 -DLPEG_DEBUG -g
 
 CWARNS = -Wall -Wextra -pedantic \
+        -Wfatal-errors \
         -Waggregate-return \
         -Wcast-align \
         -Wcast-qual \