fix conflicted symbol printf malloc etc

Makefile.clang

@@ -12,7 +12,7 @@ AR := llvm-ar${LLVM_SURFFIX}
 RANLIB := llvm-ranlib${LLVM_SURFFIX}
 
 CFLAGS := --target=riscv64 -march=rv64imc_zba_zbb_zbc_zbs
-CFLAGS += -D__ISO_C_VISIBLE=1999 -DCKB_DECLARATION_ONLY -fPIC -g -O3
+CFLAGS += -D__ISO_C_VISIBLE=1999 -DCKB_DECLARATION_ONLY -DCKB_MALLOC_DECLARATION_ONLY -DCKB_PRINTF_DECLARATION_ONLY -fPIC -g -O3
 CFLAGS += -fno-builtin-printf -fno-builtin-memcmp \
 		-nostdinc -nostdlib\
 		-fdata-sections -ffunction-sections
@@ -41,7 +41,7 @@ docker-interactive:
 deps/compiler-rt-builtins-riscv/build/libcompiler-rt.a:
 	cd deps/compiler-rt-builtins-riscv && $(MAKE) CC=$(CC) LD=$(LD) OBJCOPY=$(OBJCOPY) AR=$(AR) RANLIB=$(RANLIB)
 
-build/impl.o: include/ckb-c-stdlib/libc/src/impl.c
+build/stdlib.o: include/ckb-c-stdlib/libc/src/impl.c
 	@echo $(CC) $(filter-out -DCKB_DECLARATION_ONLY, $(CFLAGS)) -c -o $@ $<
 	@$(CC) $(filter-out -DCKB_DECLARATION_ONLY, $(CFLAGS)) -c -o $@ $<
 
@@ -64,7 +64,7 @@ build/lua-loader.o: lua-loader/lua-loader.c
 # Note when -nostdlib is specified, libgcc is not linked to the program automatically.
 # Also note libgcc.a must be appended to the file list, simply -lgcc does not for some reason.
 # It seems gcc does not search libgcc in the install path.
-build/lua-loader: build/lua-loader.o build/impl.o lualib/liblua.a deps/compiler-rt-builtins-riscv/build/libcompiler-rt.a
+build/lua-loader: build/lua-loader.o build/stdlib.o lualib/liblua.a deps/compiler-rt-builtins-riscv/build/libcompiler-rt.a
 	$(LD) $(LDFLAGS) -o $@ $^
 	cp $@ [email protected]
 	$(OBJCOPY) --strip-debug --strip-all $@