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

-- The C compiler identification is GNU 8.4.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /openwrt/staging_dir/toolchain-aarch64_cortex-a72_gcc-8.4.0_musl/bin/aarch64-openwrt-linux-musl-gcc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Configuring done
-- Generating done
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_ASM_COMPILER
    CMAKE_ASM_COMPILER_LAUNCHER
    CMAKE_CXX_COMPILER
    CMAKE_CXX_FLAGS_RELEASE
    CMAKE_EXPORT_NO_PACKAGE_REGISTRY
    CMAKE_EXPORT_PACKAGE_REGISTRY
    CMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY
    CMAKE_FIND_PACKAGE_NO_SYSTEM_PACKAGE_REGISTRY
    CMAKE_FIND_USE_PACKAGE_REGISTRY
    CMAKE_FIND_USE_SYSTEM_PACKAGE_REGISTRY
    CMAKE_MODULE_LINKER_FLAGS
    CMAKE_SHARED_LINKER_FLAGS
    DL_LIBRARY


-- Build files have been written to: /openwrt/build_dir/target-aarch64_cortex-a72_musl/auc-0.1.9
ninja: Entering directory `/openwrt/build_dir/target-aarch64_cortex-a72_musl/auc-0.1.9'
[1/2] Building C object CMakeFiles/auc.dir/auc.c.o
FAILED: CMakeFiles/auc.dir/auc.c.o 
/openwrt/staging_dir/host/bin/ccache /openwrt/staging_dir/toolchain-aarch64_cortex-a72_gcc-8.4.0_musl/bin/aarch64-openwrt-linux-musl-gcc   -Os -pipe -fno-caller-saves -fno-plt -fhonour-copts -Wno-error=unused-but-set-variable -Wno-error=unused-result -fmacro-prefix-map=/openwrt/build_dir/target-aarch64_cortex-a72_musl/auc-0.1.9=auc-0.1.9 -Wformat -Werror=format-security -fstack-protector -D_FORTIFY_SOURCE=1 -Wl,-z,now -Wl,-z,relro -D'AUC_VERSION="0.1.9-1"' -DNDEBUG   -Os -ggdb -Wall --std=gnu99 -Wmissing-declarations -MD -MT CMakeFiles/auc.dir/auc.c.o -MF CMakeFiles/auc.dir/auc.c.o.d -o CMakeFiles/auc.dir/auc.c.o -c auc.c
auc.c: In function 'openwrt_release_verrevcmp':
auc.c:431:2: warning: implicit declaration of function 'release_replace_rc' [-Wimplicit-function-declaration]
  release_replace_rc(mver1);
  ^~~~~~~~~~~~~~~~~~
auc.c: At top level:
auc.c:1213:20: warning: conflicting types for 'release_replace_rc'
 static inline void release_replace_rc(char *ver)
                    ^~~~~~~~~~~~~~~~~~
auc.c:1213:20: error: static declaration of 'release_replace_rc' follows non-static declaration
auc.c:431:2: note: previous implicit declaration of 'release_replace_rc' was here
  release_replace_rc(mver1);
  ^~~~~~~~~~~~~~~~~~
ninja: build stopped: subcommand failed.
make[3]: *** [Makefile:39: /openwrt/build_dir/target-aarch64_cortex-a72_musl/auc-0.1.9/.built] Error 1