File make.patch of Package klystrack

--- Makefile.orig	2021-08-11 19:47:02.388448192 +1000
+++ Makefile	2021-08-11 19:47:23.876970054 +1000
@@ -21,7 +21,7 @@
 
 PREFIX ?= /usr
 BINDIR = $(PREFIX)/bin
-CFLAGS := $(MACHINE) -ftree-vectorize -std=gnu99 -Wno-strict-aliasing
+CFLAGS := $(MACHINE) -ftree-vectorize -std=gnu99 -Wno-strict-aliasing -fPIE
 
 ifdef COMSPEC
 	# Compiling for Windows
@@ -53,7 +53,7 @@
 KEYS = $(sort $(wildcard key/*))
 
 EXTFLAGS := -DNOSDL_MIXER -DUSESDLMUTEXES -DENABLEAUDIODUMP -DSTEREOOUTPUT -DUSESDL_IMAGE -DMIDI -DUSESDL_RWOPS $(EXTFLAGS) $(CFLAGS)
-LDFLAGS :=  -L $(KLYSTRON)/bin.$(CFG) -lengine_gfx -lengine_util -lengine_snd -lengine_gui -lm $(SDLLIBS)
+LDFLAGS :=  -L $(KLYSTRON)/bin.$(CFG) -lengine_gfx -lengine_util -lengine_snd -lengine_gui -lm $(SDLLIBS) -Wl,--allow-multiple-definition
 INCLUDEFLAGS := -I src $(SDLFLAGS) -I $(KLYSTRON)/src -L$(KLYSTRON)/bin.$(CFG) -DRES_PATH="$(RES_PATH)" -DCONFIG_PATH="$(CONFIG_PATH)" $(EXTFLAGS) -DKLYSTRON=$(KLYSTRON)
 
 ifdef COMSPEC