--- a/Makefile.orig	2021-12-07 16:58:46.000000000 +0800
+++ b/Makefile	2022-07-11 22:33:39.759028800 +0800
@@ -1,12 +1,10 @@
 SOURCES = $(wildcard *.c)
 DEPS=toxcore
-CC=gcc
-CFLAGS=-g -Wall #-std=c99
+CC?=gcc
+CFLAGS +=-g -Wall #-std=c99
 CFLAGS += $(shell pkg-config --cflags $(DEPS))
-LDFLAGS=-g -pthread -lm -static -lrt
-LDFLAGS += $(shell pkg-config --static --libs $(DEPS))
-DSO_LDFLAGS=-g -pthread -lm -lrt
-DSO_LDFLAGS += $(shell pkg-config --libs $(DEPS))
+LDFLAGS +=-g -pthread -lm -lrt
+LDFLAGS += $(shell pkg-config --libs $(DEPS))
 OBJECTS=$(SOURCES:.c=.o)
 INCLUDES = $(wildcard *.h)
 PYTHON = /usr/bin/env python3
@@ -16,36 +14,31 @@
 prefix ?= /usr
 bindir ?= $(prefix)/bin
 
-# Targets
-all: tuntox tuntox_nostatic
-
-gitversion.h: FORCE
-	@if [ -f .git/HEAD ] ; then echo "  GEN   $@"; echo "#define GITVERSION \"$(shell git rev-parse HEAD)\"" > $@; fi
-
-FORCE:
+.PHONY: all clean tuntox tuntox_nostatic install
 
-tox_bootstrap.h: 
-	$(PYTHON) generate_tox_bootstrap.py 
+# Targets
+all: tuntox_nostatic
 
-%.o: %.c $(INCLUDES) gitversion.h tox_bootstrap.h
+%.o: %.c $(INCLUDES)
 	@echo "  CC    $@"
 	@$(CC) -c $(CFLAGS) $< -o $@
 
+tuntox: LDFLAGS += -static
 tuntox: $(OBJECTS) $(INCLUDES)
-	$(CC) -o $@ $(OBJECTS) -lpthread $(LDFLAGS) 
+	$(CC) -o $@ $(OBJECTS) -lpthread $(LDFLAGS)
 
+tuntox_nostatic: CFLAGS += -fPIC
+tuntox_nostatic: LDFLAGS += -shared
 tuntox_nostatic: $(OBJECTS) $(INCLUDES)
-	$(CC) -o $@ $(OBJECTS) -lpthread $(DSO_LDFLAGS) 
+	$(CC) -o $@ $(OBJECTS) -lpthread $(LDFLAGS)
 
 cscope.out:
 	@echo "  GEN   $@"
 	@cscope -bv ./*.[ch] &> /dev/null
 
 clean:
-	rm -f *.o tuntox cscope.out gitversion.h tox_bootstrap.h
+	rm -f *.o tuntox cscope.out
 
 install: tuntox_nostatic
 	$(INSTALL_MKDIR) -d $(DESTDIR)$(bindir)
 	cp tuntox_nostatic $(DESTDIR)$(bindir)/tuntox
-
-.PHONY: all clean tuntox