--- a/Makefile	2019-06-24 16:08:57.000000000 +0000
+++ b/Makefile	2020-09-08 21:02:24.290000000 +0000
@@ -14,7 +14,7 @@
 TAR = tar
 INSTALL = install
 
-PREFIX = /usr/local
+PREFIX =
 BINDIR = $(PREFIX)/bin
 INCDIR = $(PREFIX)/include
 LIBDIR = $(PREFIX)/lib