1 files changed, 3 insertions, 0 deletions
diff --git a/lib.h b/lib.h
index b22fa93..25abb80 100644
--- a/lib.h
+++ b/lib.h
@@ -17,6 +17,9 @@
 #include "compat.h"
 #include "ptrlist.h"
 
+#define DO_STRINGIFY(x) #x
+#define STRINGIFY(x) DO_STRINGIFY(x)
+
 extern int verbose, optimize, optimize_size, preprocessing;
 extern int die_if_error;
 extern int repeat_phase, merge_phi_sources;