+ curl -f --connect-timeout 20 --retry 5 --location https://sources.cdn.openwrt.org/unetd-2023-05-31-7d3986b7.tar.xz
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed

  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
100  105k  100  105k    0     0  3751k      0 --:--:-- --:--:-- --:--:-- 3751k
-- The C compiler identification is GNU 12.3.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /builder/shared-workdir/build/sdk/staging_dir/toolchain-mips_mips32_gcc-12.3.0_musl/bin/mips-openwrt-linux-musl-gcc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Configuring done (0.3s)
-- Generating done (0.0s)
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
    DL_LIBRARY
    LIBNL_LIBS


-- Build files have been written to: /builder/shared-workdir/build/sdk/build_dir/target-mips_mips32_musl/unetd-2023-05-31-7d3986b7
<built-in>:1:10: fatal error: 'linux/kconfig.h' file not found
#include "linux/kconfig.h"
         ^~~~~~~~~~~~~~~~~
1 error generated.
make[3]: *** [Makefile:114: /builder/shared-workdir/build/sdk/build_dir/target-mips_mips32_musl/unetd-2023-05-31-7d3986b7/.built] Error 1
time: package/feeds/base/unetd/compile#0.43#0.18#0.86