--- Makefile.orig	2002-10-08 14:33:48.000000000 +0700
+++ Makefile	2013-10-31 17:22:27.000000000 +0700
@@ -32,7 +32,7 @@
 
 
 hpucode: $(OBJS)
-		gcc $(OBJS) $(LFLAGS) $(LIBS) -o hpucode$(EXE)
+		$(CC) $(OBJS) $(LFLAGS) $(LIBS) -o hpucode$(EXE)
 
 %.o: $(SRC_DIR)%.c
 	$(CC) $(CFLAGS) $(CDEFS) -c $<
@@ -64,12 +64,12 @@
 	$(INSTALL) $(IBOPT) hpucode$(EXE) $(BINDIR)
 ifdef INFODIR
 	-$(MKDIR) $(MKDIROPT) $(INFODIR)
-	$(INSTALL) hpucode.info $(INFODIR)
+	$(INSTALL) $(IMOPT) hpucode.info $(INFODIR)
 	-install-info --info-dir=$(INFODIR)  $(INFODIR)$(DIRSEP)hpucode.info
 endif
 ifdef HTMLDIR
 	-$(MKDIR) $(MKDIROPT) $(HTMLDIR)
-	$(INSTALL) hpucode.html $(HTMLDIR)
+	$(INSTALL) $(IMOPT) hpucode.html $(HTMLDIR)
 endif
 ifdef MANDIR
 	-$(MKDIR) $(MKDIROPT) $(MANDIR)$(DIRSEP)man1
