CMake Deprecation Warning at CMakeLists.txt:1 (cmake_minimum_required):
  Compatibility with CMake < 3.10 will be removed from a future version of
  CMake.

  Update the VERSION argument <min> value.  Or, use the <min>...<max> syntax
  to tell CMake that the project requires at least <min> but has been updated
  to work with policies introduced by <max> or earlier.

Not searching for unused variables given on the command line.

-- The C compiler identification is GNU 13.3.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /immortalwrt/master/staging_dir/toolchain-mips64_octeonplus_64_gcc-13.3.0_musl/bin/mips64-openwrt-linux-musl-gcc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Found PkgConfig: /immortalwrt/master/staging_dir/host/bin/pkg-config (found version "2.2.0")
-- Found FLEX: /immortalwrt/master/staging_dir/host/bin/flex (found version "2.6.4")
-- Checking for one of the modules 'libffi'
CMake Error at CMakeLists.txt:58 (message):
  libffi is required.


-- Configuring incomplete, errors occurred!
make[2]: *** [Makefile:87: /immortalwrt/master/build_dir/target-mips64_octeonplus_64_musl/lua-ffi-lua53/lua-ffi-1.1.0/.configured_68b329da9893e34099c7d8ad5cb9c940] Error 1
time: package/feeds/packages/lua-ffi/lua53/compile#0.38#0.08#0.50