Add new --trace[=MODE] flags, with --trace=dir

This mode replaces the previous heuristic setting enabled with -O, where we
would log directory enter/leave for each synchronized output.  Now we only
do that if --trace=dir is given.

1 files changed, 4 insertions, 0 deletions

diff --git a/makeint.h b/makeint.h
index 6bff07a..ae7e813 100644
--- a/makeint.h
+++ b/makeint.h
@@ -544,6 +544,10 @@ int strncasecmp (const char *s1, const char *s2, int n);
 #define OUTPUT_SYNC_TARGET  2
 #define OUTPUT_SYNC_RECURSE 3
 
+#define TRACE_NONE      0x0
+#define TRACE_RULE      0x1
+#define TRACE_DIRECTORY 0x2
+
 extern const gmk_floc *reading_file;
 extern const gmk_floc **expanding_var;