--- Makefile.orig	2021-02-01 13:48:17 UTC
+++ Makefile
@@ -1,5 +1,5 @@
 PREFIX?=/usr
-BINDIR=${PREFIX}/games
+BINDIR?=${PREFIX}/games
 DATADIR=${PREFIX}/share/wordwarvi
 MANDIR?=${PREFIX}/share/man
 MANPAGEDIR=${MANDIR}/man6
@@ -56,7 +56,8 @@ BUILD_CC ?= gcc
 #OPTIMIZE_FLAG=
 # OPTIMIZE_FLAG=-O3
 #OPTIMIZE_FLAG=-O3 -pedantic -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security
-CFLAGS ?= -O3 -pedantic
+CFLAGS ?= -O3
+CFLAGS += -pedantic
 OPTIMIZE_FLAG = ${CFLAGS} ${CPPFLAGS}
 WARNFLAG=-pedantic -W -Wall