make: remove dylib target, fix spawn target

Makefile.clang

@@ -30,7 +30,7 @@ DOCKER_EXTRA_FLAGS ?=
 BUILDER_DOCKER := nervos/ckb-riscv-gnu-toolchain@sha256:aae8a3f79705f67d505d1f1d5ddc694a4fd537ed1c7e9622420a470d59ba2ec3
 PORT ?= 9999
 
-all: lualib/liblua.a build/lua-loader build/libckblua.so build/dylibtest build/dylibexample build/spawnexample
+all: lualib/liblua.a build/lua-loader build/spawnexample
 
 all-via-docker:
 	docker run --rm -v `pwd`:/code ${BUILDER_DOCKER} bash -c "cd /code && make"
@@ -48,14 +48,13 @@ build/stdlib.o: include/ckb-c-stdlib/libc/src/impl.c
 lualib/liblua.a:
 	make -C lualib -f Makefile.clang liblua.a
 
-build/dylibtest: tests/test_cases/dylibtest.c
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(shell $(CC) --print-search-dirs | sed -n '/install:/p' | sed 's/install:\s*//g')libgcc.a
-
-build/dylibexample: examples/dylib.c
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(shell $(CC) --print-search-dirs | sed -n '/install:/p' | sed 's/install:\s*//g')libgcc.a
+build/spawnexample.o: examples/spawn.c
+	$(CC) -c $(CFLAGS) -o $@ $<
 
-build/spawnexample: examples/spawn.c
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(shell $(CC) --print-search-dirs | sed -n '/install:/p' | sed 's/install:\s*//g')libgcc.a
+build/spawnexample: build/spawnexample.o build/stdlib.o deps/compiler-rt-builtins-riscv/build/libcompiler-rt.a
+	$(LD) $(LDFLAGS) -o $@ $^
+	cp $@ [email protected]
+	$(OBJCOPY) --strip-debug --strip-all $@
 
 build/lua-loader.o: lua-loader/lua-loader.c
 	$(CC) -c $(CFLAGS) -o $@ $<