--- a/makefile	2020-08-02 20:28:55.385968902 +0000
+++ b/makefile	2020-08-08 21:34:09.350000000 +0000
@@ -31,7 +31,7 @@
 #CC = gcc -Wall -g -Wwrite-strings
 #CC = gcc -O4 -Wall -pedantic -fno-strict-aliasing
 #CC = gcc -fprofile-arcs -ftest-coverage # then gcov f1.c; cat f1.c.gcov
-HOSTCC = gcc -g -Wall -pedantic -Wcast-qual
+HOSTCC = gcc -g -Wall -pedantic -Wcast-qual -static --static
 CC = $(HOSTCC)  # change this is cross-compiling.
 
 # yacc options.  pick one; this varies a lot by system.