diff -uNr ssss-releases-v0.5.7/Makefile ssss-releases-v0.5.7.mod/Makefile
--- ssss-releases-v0.5.7/Makefile	2020-12-07 22:12:51.000000000 +0000
+++ ssss-releases-v0.5.7.mod/Makefile	2020-12-07 23:06:39.473573387 +0000
@@ -5,8 +5,7 @@
 doc: ssss.1 ssss.1.html
 
 ssss-split: ssss.c
-	$(CC) -W -Wall -O2 -o ssss-split ssss.c -lgmp
-	strip ssss-split
+	$(CC) -W -Wall -DNOMLOCK $(CPPFLAGS) $(CFLAGS) -o ssss-split ssss.c $(LDFLAGS) -lgmp
 
 ssss-combine: ssss-split
 	ln -f ssss-split ssss-combine