--- nono/lib/Makefile	2026/04/29 17:04:34	1.1.1.1
+++ nono/lib/Makefile	2026/04/29 17:04:40	1.1.1.2
@@ -21,6 +21,7 @@ CXXSRCS_lib=	\
 	mappedfile.cpp	\
 	mystring.cpp	\
 	mythread.cpp	\
+	perfcounter.cpp	\
 	textscreen.cpp	\
 
 CXXSRCS_test=	\