--- Makefile.orig	2017-04-21 04:32:00 -0500
+++ Makefile	2017-04-21 04:35:04 -0500
@@ -451,7 +452,7 @@
 
 export prefix bindir sharedir sysconfdir gitwebdir localedir
 
-CC = cc
+CC = gcc
 AR = ar
 RM = rm -f
 DIFF = diff
--- Makefile.orig	2018-07-27 04:50:36 +0000
+++ Makefile	2018-07-27 04:51:25 +0000
@@ -492,6 +492,7 @@
 # CFLAGS and LDFLAGS are for the users to override from the command line.
 
 CFLAGS = -g -O2 -Wall
+CFLAGS = -std=gnu99 -O2
 LDFLAGS =
 ALL_CFLAGS = $(CPPFLAGS) $(CFLAGS)
 ALL_LDFLAGS = $(LDFLAGS)
@@ -516,7 +517,7 @@
 #   perllibdir
 # This can help installing the suite in a relocatable way.
 
-prefix = $(HOME)
+prefix = /opt/freeware
 bindir = $(prefix)/bin
 mandir = $(prefix)/share/man
 infodir = $(prefix)/share/info