RT-Thread-和C库有关的link 错误RT-Thread问答社区

5 和C库有关的link 错误

发布于 2023-02-08 10:59:28 浏览：482 订阅该版

链接错误：
```
fini.c:(.text.__libc_fini_array+0x1c): undefined reference to `_fini'
```
编译成功，链接的时候C库出错。完整的链接命令行如下：

```
09:45:40 **** Incremental Build of configuration Debug for project work_vehicle ****
make -j8 all 
linking...
arm-none-eabi-gcc -T "E:\RT-ThreadStudio\workspace\work_vehicle\board\linker_scripts\link.lds" -nostartfiles -Xlinker --gc-sections -L"E:\RT-ThreadStudio\workspace\work_vehicle\packages\microros\build" -Wl,-Map,"rtthread.map" -Xlinker --cref -mcpu=cortex-m7 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -lm -lgcc -lc  -nostartfiles -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,Reset_Handler -o "rtthread.elf"  ./xip/fire_imxrt1052_sdram_ini_dcd.o ./xip/fire_imxrt1052_spiflash_config.o ./xip/fsl_flexspi_nor_boot.o  ./rt-thread/src/clock.o ./rt-thread/src/components.o ./rt-thread/src/device.o ./rt-thread/src/idle.o ./rt-thread/src/ipc.o ./rt-thread/src/irq.o ./rt-thread/src/kservice.o ./rt-thread/src/memheap.o ./rt-thread/src/mempool.o ./rt-thread/src/object.o ./rt-thread/src/scheduler.o ./rt-thread/src/thread.o ./rt-thread/src/timer.o  ./rt-thread/libcpu/arm/cortex-m7/context_gcc.o ./rt-thread/libcpu/arm/cortex-m7/cpu_cache.o ./rt-thread/libcpu/arm/cortex-m7/cpuport.o  ./rt-thread/libcpu/arm/common/backtrace.o ./rt-thread/libcpu/arm/common/div0.o ./rt-thread/libcpu/arm/common/showmem.o  ./rt-thread/components/utilities/ulog/backend/console_be.o  ./rt-thread/components/utilities/ulog/ulog.o  ./rt-thread/components/net/sal/src/sal_socket.o  ./rt-thread/components/net/sal/socket/net_netdb.o ./rt-thread/components/net/sal/socket/net_sockets.o  ./rt-thread/components/net/sal/impl/af_inet_lwip.o  ./rt-thread/components/net/sal/dfs_net/dfs_net.o  ./rt-thread/components/net/netdev/src/netdev.o ./rt-thread/components/net/netdev/src/netdev_ipaddr.o  ./rt-thread/components/net/lwip/port/ethernetif.o ./rt-thread/components/net/lwip/port/sys_arch.o  ./rt-thread/components/net/lwip/lwip-2.0.3/src/netif/ethernet.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/netif/lowpan6.o  ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/ipv4/autoip.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/ipv4/dhcp.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/ipv4/etharp.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/ipv4/icmp.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/ipv4/igmp.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/ipv4/ip4.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/ipv4/ip4_addr.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/ipv4/ip4_frag.o  ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/def.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/dns.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/inet_chksum.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/init.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/ip.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/memp.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/netif.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/pbuf.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/raw.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/stats.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/sys.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/tcp.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/tcp_in.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/tcp_out.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/timeouts.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/core/udp.o  ./rt-thread/components/net/lwip/lwip-2.0.3/src/apps/ping/ping.o  ./rt-thread/components/net/lwip/lwip-2.0.3/src/api/api_lib.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/api/api_msg.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/api/err.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/api/netbuf.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/api/netdb.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/api/netifapi.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/api/sockets.o ./rt-thread/components/net/lwip/lwip-2.0.3/src/api/tcpip.o  ./rt-thread/components/libc/posix/io/poll/poll.o ./rt-thread/components/libc/posix/io/poll/select.o  ./rt-thread/components/libc/posix/delay/delay.o  ./rt-thread/components/libc/compilers/newlib/syscalls.o  ./rt-thread/components/libc/compilers/common/stdlib.o ./rt-thread/components/libc/compilers/common/time.o  ./rt-thread/components/finsh/cmd.o ./rt-thread/components/finsh/msh.o ./rt-thread/components/finsh/msh_file.o ./rt-thread/components/finsh/shell.o  ./rt-thread/components/drivers/serial/serial.o  ./rt-thread/components/drivers/phy/phy.o  ./rt-thread/components/drivers/misc/pin.o  ./rt-thread/components/drivers/ipc/completion.o ./rt-thread/components/drivers/ipc/dataqueue.o ./rt-thread/components/drivers/ipc/pipe.o ./rt-thread/components/drivers/ipc/ringblk_buf.o ./rt-thread/components/drivers/ipc/ringbuffer.o ./rt-thread/components/drivers/ipc/waitqueue.o ./rt-thread/components/drivers/ipc/workqueue.o  ./rt-thread/components/drivers/cputime/cputime.o  ./rt-thread/components/drivers/can/can.o  ./rt-thread/components/dfs/src/dfs.o ./rt-thread/components/dfs/src/dfs_file.o ./rt-thread/components/dfs/src/dfs_fs.o ./rt-thread/components/dfs/src/dfs_posix.o  ./packages/microros/src/identifier.o ./packages/microros/src/rtt_serial_transports.o ./packages/microros/src/rtt_udp_transport.o ./packages/microros/src/string_utilities.o ./packages/microros/src/type_utilities.o  ./libraries/fatfs/diskio.o ./libraries/fatfs/ff.o ./libraries/fatfs/ffsystem.o ./libraries/fatfs/ffunicode.o ./libraries/fatfs/fsl_sd_disk.o  ./libraries/drivers/drv_can.o ./libraries/drivers/drv_eth.o ./libraries/drivers/drv_gpio.o ./libraries/drivers/drv_sdram.o ./libraries/drivers/drv_uart.o  ./libraries/Sdmmc/fsl_sd.o ./libraries/Sdmmc/fsl_sdmmc_common.o ./libraries/Sdmmc/fsl_sdmmc_event.o ./libraries/Sdmmc/fsl_sdmmc_host.o  ./libraries/MIMXRT1050/MIMXRT1052/utilities/str/fsl_str.o  ./libraries/MIMXRT1050/MIMXRT1052/utilities/log/fsl_log.o  ./libraries/MIMXRT1050/MIMXRT1052/utilities/io/fsl_io.o  ./libraries/MIMXRT1050/MIMXRT1052/utilities/debug_console/fsl_debug_console.o  ./libraries/MIMXRT1050/MIMXRT1052/gcc/startup_MIMXRT1052.o  ./libraries/MIMXRT1050/MIMXRT1052/drivers/fsl_cache.o ./libraries/MIMXRT1050/MIMXRT1052/drivers/fsl_clock.o ./libraries/MIMXRT1050/MIMXRT1052/drivers/fsl_common.o ./libraries/MIMXRT1050/MIMXRT1052/drivers/fsl_elcdif.o ./libraries/MIMXRT1050/MIMXRT1052/drivers/fsl_enet.o ./libraries/MIMXRT1050/MIMXRT1052/drivers/fsl_flexcan.o ./libraries/MIMXRT1050/MIMXRT1052/drivers/fsl_gpio.o ./libraries/MIMXRT1050/MIMXRT1052/drivers/fsl_lpuart.o ./libraries/MIMXRT1050/MIMXRT1052/drivers/fsl_os_abstraction_rtthread.o ./libraries/MIMXRT1050/MIMXRT1052/drivers/fsl_semc.o ./libraries/MIMXRT1050/MIMXRT1052/drivers/fsl_usdhc.o ./libraries/MIMXRT1050/MIMXRT1052/drivers/fsl_xbara.o ./libraries/MIMXRT1050/MIMXRT1052/drivers/fsl_xbarb.o ./libraries/MIMXRT1050/MIMXRT1052/drivers/generic_list.o  ./libraries/MIMXRT1050/MIMXRT1052/system_MIMXRT1052.o  ./board/MCUX_Config/clock_config.o ./board/MCUX_Config/pin_mux.o  ./board/board.o  ./applications/picture/bmp.o ./applications/picture/gif.o ./applications/picture/piclib.o ./applications/picture/tjpgd.o  ./applications/bsp/sd_fatfs_test/bsp_sd_fatfs_test.o  ./applications/bsp/sd/bsp_sd.o  ./applications/bsp/led/bsp_led.o  ./applications/bsp/lcd/bsp_lcd.o ./applications/bsp/lcd/lcd_test.o  ./applications/bsp/font/fonts.o  ./applications/bsp/beep/bsp_beep.o  ./applications/cpuusage.o ./applications/main.o ./applications/micro_ros_client.o ./applications/micro_ros_pub_int32.o ./applications/micro_ros_service.o ./applications/micro_ros_sub_int32.o ./applications/micro_ros_subscriber.o   -lmicroros -lc      -lm     
e:/rt-threadstudio/repo/extract/toolchain_support_packages/arm/gnu_tools_for_arm_embedded_processors/5.4.1/bin/../lib/gcc/arm-none-eabi/5.4.1/../../../../arm-none-eabi/lib/armv7e-m/fpu\libc.a(lib_a-fini.o): In function `__libc_fini_array':
fini.c:(.text.__libc_fini_array+0x1c): undefined reference to `_fini'
collect2.exe: error: ld returned 1 exit status
make: *** [makefile:94: rtthread.elf] Error 1
"make -j8 all" terminated with exit code 2. Build might be incomplete.

09:45:42 Build Failed. 1 errors, 0 warnings. (took 1s.696ms)
```

迫切需要大佬指导下，怎么才能修复这个错误，特别感谢！