--- Hex2bin-2.5/Makefile.orig	2022-11-26 21:28:39.060476310 +0100
+++ Hex2bin-2.5/Makefile	2022-11-26 21:30:59.302317881 +0100
@@ -1,10 +1,11 @@
 # Makefile hex2bin/mot2bin
-
-CPFLAGS = -std=c99 -O2 -Wall -pedantic
+CC=gcc
+CFLAGS= -fcommon
+CPFLAGS = -std=c99 -O2 -Wall -pedantic $(CFLAGS)
 
 # Compile
 %.o : %.c
-	gcc -c $(CPFLAGS) $< -o $@
+	$(CC) -c $(CPFLAGS) $< -o $@
 
 #WIN64_GCC = x86_64-w64-mingw32-gcc
 WINDOWS = i686-w64-mingw32