CMake Deprecation Warning at CMakeLists.txt:1 (cmake_minimum_required):
  Compatibility with CMake < 2.8.12 will be removed from a future version of
  CMake.

  Update the VERSION argument <min> value or use a ...<max> suffix to tell
  CMake that the project does not need compatibility with older versions.


-- The C compiler identification is GNU 12.2.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /builder/shared-workdir/build/sdk/staging_dir/toolchain-i386_pentium-mmx_gcc-12.2.0_musl/bin/i486-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_ROOT_PATH_MODE_LIBRARY
    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: /builder/shared-workdir/build/sdk/build_dir/target-i386_pentium-mmx_musl/firewall-2022-02-17-4cd7d4f3
ninja: Entering directory `/builder/shared-workdir/build/sdk/build_dir/target-i386_pentium-mmx_musl/firewall-2022-02-17-4cd7d4f3'
[1/15] Building C object CMakeFiles/firewall3.dir/main.c.o
[2/15] Building C object CMakeFiles/firewall3.dir/options.c.o
FAILED: CMakeFiles/firewall3.dir/options.c.o 
/builder/shared-workdir/build/sdk/staging_dir/toolchain-i386_pentium-mmx_gcc-12.2.0_musl/bin/i486-openwrt-linux-musl-gcc   -Os -pipe -march=pentium-mmx -fno-caller-saves -fno-plt -fhonour-copts -ffile-prefix-map=/builder/shared-workdir/build/sdk/build_dir/target-i386_pentium-mmx_musl/firewall-2022-02-17-4cd7d4f3=firewall-2022-02-17-4cd7d4f3 -Wformat -Werror=format-security -fstack-protector -D_FORTIFY_SOURCE=1 -Wl,-z,now -Wl,-z,relro -DNDEBUG   -Os -Wall -Werror --std=gnu99 -g3 -Wmissing-declarations -Wno-format-truncation -MD -MT CMakeFiles/firewall3.dir/options.c.o -MF CMakeFiles/firewall3.dir/options.c.o.d -o CMakeFiles/firewall3.dir/options.c.o -c /builder/shared-workdir/build/sdk/build_dir/target-i386_pentium-mmx_musl/firewall-2022-02-17-4cd7d4f3/options.c
/builder/shared-workdir/build/sdk/build_dir/target-i386_pentium-mmx_musl/firewall-2022-02-17-4cd7d4f3/options.c: In function 'fw3_parse_options':
/builder/shared-workdir/build/sdk/build_dir/target-i386_pentium-mmx_musl/firewall-2022-02-17-4cd7d4f3/options.c:1114:82: error: '%s' directive argument is null [-Werror=format-overflow=]
 1114 |                                                 warn_elem(e, "has invalid value '%s'", p);
      |                                                                                  ^~
cc1: all warnings being treated as errors
ninja: build stopped: subcommand failed.
make[3]: *** [Makefile:67: /builder/shared-workdir/build/sdk/build_dir/target-i386_pentium-mmx_musl/firewall-2022-02-17-4cd7d4f3/.built] Error 1
time: package/feeds/base/firewall/compile#1.42#0.28#2.02