使用RTT Scons编译脚本building.py如何只链接静态库。

发布于 2021-05-14 12:00:24 浏览：1517 订阅该版

Dear All,

我们ASR平台，参考了RTT 的SCONS编译框架，搭建了一套OPEN的编译结构。
  
预期：
1. 先c文件编译成o文件。
2. 所有o文件打包成静态库。
3. 链接时直接链接静态库。
  
在实际参考RTT building.py 时，发现最后的链接阶段还是 处理o文件，实际静态库没有使用。不知道怎么修改，才可以连接时，只链接静态库。
  
以下是编译log。
```
  scons: Reading SConscript files ...
scons: done reading SConscript files.
scons: Building targets ...
scons: building associated VariantDir targets: build
Icore\network\inc -Icore\os\inc core\os\src\posix_timer.c
**arm-none-eabi-gcc -o build\core\os\src\posix_time.o -c -mcpu=cortex-r5 -mtune=cortex-r5 -g -Os -std=gnu99 -ffunction-sections -fdata-sections -fno-builtin -D GCC_COMPILE -D _POSIX_TIMERS -O2 -I. -Iapp -Icore\atclient\inc -Icore\drivers\inc -Icore\filesystem\inc -Icore\network\inc -Icore\os\inc core\os\src\posix_time.c
arm-none-eabi-ar -rc build\core\libcore.a build\core\atclient\src\atclient.o build\core\drivers\src\device.o build\core\drivers\src\serial.o build\core\filesystem\src\posix_file.o build\core\network\src\socket.o build\core\network\src\netdb.o build\core\network\src\inet.o build\core\network\src\inet6.o build\core\os\src\bootloader.o build\core\os\src\functable.o build\core\os\src\syscalls.o build\core\os\src\gccstart.o build\core\os\src\mqueue.o build\core\os\src\pthread.o build\core\os\src\pthread_attr.o build\core\os\src\pthread_cond.o build\core\os\src\pthread_mutex.o build\core\os\src\sched.o build\core\os\src\semaphore.o build\core\os\src\posix_timer.o build\core\os\src\posix_time.o
arm-none-eabi-ld -o build\app.elf --wrap=malloc --wrap=free --wrap=printf --wrap=snprintf --wrap=sprintf --wrap=sscanf -T gcclink.ld build\app\demo_app.o build\app\demo_atclient.o build\app\demo_fs.o build\app\demo_posix.o build\app\demo_serial.o build\app\demo_tcp_client.o build\app\demo_tcp_server.o build\app\demo_udp_client.o build\app\demo_udp_server.o build\core\atclient\src\atclient.o build\core\drivers\src\device.o build\core\drivers\src\serial.o build\core\filesystem\src\posix_file.o build\core\network\src\socket.o build\core\network\src\netdb.o build\core\network\src\inet.o build\core\network\src\inet6.o build\core\os\src\bootloader.o build\core\os\src\functable.o build\core\os\src\syscalls.o build\core\os\src\gccstart.o build\core\os\src\mqueue.o build\core\os\src\pthread.o build\core\os\src\pthread_attr.o build\core\os\src\pthread_cond.o build\core\os\src\pthread_mutex.o build\core\os\src\sched.o build\core\os\src\semaphore.o build\core\os\src\posix_timer.o build\core\os\src\posix_time.o -Ltools\gcc-arm-none-eabi-10-2020-q4-major\arm-none-eabi\lib -Lbuild\core -Lcore -lc -lcore**
```
BEST Reards
Joshua Wag