openharmony移植AT32F407编译时错误

openharmony上移植AT32F407,hb build后出现链接错误
[OHOS ERROR] /home/sven/openharmony/env_setup/gcc-arm-none-eabi-10-2020-q4-major-master/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/bin/ld: /home/sven/openharmony/env_setup/gcc-arm-none-eabi-10-2020-q4-major-master/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc.a(libc_a-closer.o): in function _close_r': [OHOS ERROR] closer.c:(.text._close_r+0xc): warning: _close is not implemented and will always fail [OHOS ERROR] /home/sven/openharmony/env_setup/gcc-arm-none-eabi-10-2020-q4-major-master/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/bin/ld: /home/sven/openharmony/env_setup/gcc-arm-none-eabi-10-2020-q4-major-master/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-fstatr.o): in function _fstat_r':
[OHOS ERROR] fstatr.c:(.text._fstat_r+0xe): warning: _fstat is not implemented and will always fail
[OHOS ERROR] /home/sven/openharmony/env_setup/gcc-arm-none-eabi-10-2020-q4-major-master/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/bin/ld: /home/sven/openharmony/env_setup/gcc-arm-none-eabi-10-2020-q4-major-master/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc.a(libc_a-lseekr.o): in function _lseek_r': [OHOS ERROR] lseekr.c:(.text._lseek_r+0x14): warning: _lseek is not implemented and will always fail [OHOS ERROR] /home/sven/openharmony/env_setup/gcc-arm-none-eabi-10-2020-q4-major-master/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/bin/ld: /home/sven/openharmony/env_setup/gcc-arm-none-eabi-10-2020-q4-major-master/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-openr.o): in function _open_r':
[OHOS ERROR] openr.c:(.text._open_r+0x10): warning: _open is not implemented and will always fail
[OHOS ERROR] /home/sven/openharmony/env_setup/gcc-arm-none-eabi-10-2020-q4-major-master/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/bin/ld: /home/sven/openharmony/env_setup/gcc-arm-none-eabi-10-2020-q4-major-master/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc.a(libc_a-readr.o): in function _read_r': [OHOS ERROR] readr.c:(.text._read_r+0x14): warning: _read is not implemented and will always fail [OHOS ERROR] /home/sven/openharmony/env_setup/gcc-arm-none-eabi-10-2020-q4-major-master/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/bin/ld: /home/sven/openharmony/env_setup/gcc-arm-none-eabi-10-2020-q4-major-master/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-statr.o): in function _stat_r':
[OHOS ERROR] statr.c:(.text._stat_r+0xe): warning: _stat is not implemented and will always fail
[OHOS ERROR] /home/sven/openharmony/env_setup/gcc-arm-none-eabi-10-2020-q4-major-master/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/bin/ld: /home/sven/openharmony/env_setup/gcc-arm-none-eabi-10-2020-q4-major-master/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-linkr.o): in function _link_r': [OHOS ERROR] linkr.c:(.text._link_r+0xe): warning: _link is not implemented and will always fail [OHOS ERROR] /home/sven/openharmony/env_setup/gcc-arm-none-eabi-10-2020-q4-major-master/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/bin/ld: /home/sven/openharmony/env_setup/gcc-arm-none-eabi-10-2020-q4-major-master/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-unlinkr.o): in function _unlink_r':
[OHOS ERROR] unlinkr.c:(.text._unlink_r+0xc): warning: _unlink is not implemented and will always fail
[OHOS ERROR] /home/sven/openharmony/env_setup/gcc-arm-none-eabi-10-2020-q4-major-master/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/bin/ld: warning: obj/kernel/liteos_m/unstripped/bin/liteos has a LOAD segment with RWX permissions
[OHOS ERROR] /home/sven/openharmony/env_setup/gcc-arm-none-eabi-10-2020-q4-major-master/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/bin/ld: obj/kernel/liteos_m/kal/posix/src/posix.malloc.o: in function __wrap__calloc_r': [OHOS ERROR] /home/sven/openharmony/OpenHarmony-v4.1-Release/OpenHarmony/out/atstartf407/AT-START-F407/../../../kernel/liteos_m/kal/posix/src/malloc.c:56: undefined reference to __heap_start'