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=$http_proxy
opde feeds && opde config -a
make package/feeds/packages/siit/compile -j$(nproc) || make package/feeds/packages/siit/compile V=s

make[4]: Entering directory '/openwrt/build_dir/target-aarch64_cortex-a53_musl/linux-bcm27xx_bcm2710/linux-4.19.204'
  CC [M]  /openwrt/build_dir/target-aarch64_cortex-a53_musl/linux-bcm27xx_bcm2710/siit-1.2/siit.o
../siit-1.2/siit.c: In function 'siit_xmit':
../siit-1.2/siit.c:1359:1: warning: the frame size of 2144 bytes is larger than 1024 bytes [-Wframe-larger-than=]
 }
 ^
  Building modules, stage 2.
  MODPOST 1 modules
  CC      /openwrt/build_dir/target-aarch64_cortex-a53_musl/linux-bcm27xx_bcm2710/siit-1.2/siit.mod.o
  LD [M]  /openwrt/build_dir/target-aarch64_cortex-a53_musl/linux-bcm27xx_bcm2710/siit-1.2/siit.ko
/openwrt/staging_dir/toolchain-aarch64_cortex-a53_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-a53_musl/linux-bcm27xx_bcm2710/siit-1.2/siit.ko] Error 1
make[4]: *** [Makefile:1548: modules] Error 2
make[4]: Leaving directory '/openwrt/build_dir/target-aarch64_cortex-a53_musl/linux-bcm27xx_bcm2710/linux-4.19.204'
make[3]: *** [Makefile:46: /openwrt/build_dir/target-aarch64_cortex-a53_musl/linux-bcm27xx_bcm2710/siit-1.2/.built] Error 2