docker pull immortalwrt/opde:sdk
docker run -it --rm immortalwrt/opde:sdk zsh # or bash
export http_proxy= # [your proxy], do not use localhost or 127.0.0.1
export https_proxy=$http_proxy
opde feeds && opde config -a
make package/feeds/base/exfat/compile -j$(nproc) || make package/feeds/base/exfat/compile V=s

make[4]: Entering directory '/openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/linux-4.19.204'
  CC [M]  /openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/linux-exfat-oot-5.11.1/inode.o
  CC [M]  /openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/linux-exfat-oot-5.11.1/namei.o
  CC [M]  /openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/linux-exfat-oot-5.11.1/dir.o
  CC [M]  /openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/linux-exfat-oot-5.11.1/super.o
  CC [M]  /openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/linux-exfat-oot-5.11.1/fatent.o
  CC [M]  /openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/linux-exfat-oot-5.11.1/cache.o
  CC [M]  /openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/linux-exfat-oot-5.11.1/nls.o
  CC [M]  /openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/linux-exfat-oot-5.11.1/misc.o
  CC [M]  /openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/linux-exfat-oot-5.11.1/file.o
  CC [M]  /openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/linux-exfat-oot-5.11.1/balloc.o
  LD [M]  /openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/linux-exfat-oot-5.11.1/exfat.o
  Building modules, stage 2.
  MODPOST 1 modules
  CC      /openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/linux-exfat-oot-5.11.1/exfat.mod.o
  LD [M]  /openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/linux-exfat-oot-5.11.1/exfat.ko
/openwrt/staging_dir/toolchain-aarch64_cortex-a72_gcc-8.4.0_musl/bin/aarch64-openwrt-linux-musl-ld: cannot open linker script file ./arch/arm64/kernel/module.lds: No such file or directory
make[5]: *** [scripts/Makefile.modpost:129: /openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/linux-exfat-oot-5.11.1/exfat.ko] Error 1
make[4]: *** [Makefile:1548: modules] Error 2
make[4]: Leaving directory '/openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/linux-4.19.204'
make[3]: *** [Makefile:50: /openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/linux-exfat-oot-5.11.1/.built] Error 2