Cross-compiling master

[demontefacto]

Hello.

I'm trying cross-compile ipt_NETFLOW against latest openwrt trunk and kernel 5.15.111 (gcc 12.3), but im ending with error already mentioned here before - see below.
I dont know how, but previous kernel 5.15.110 and gcc 12.2 has worked.

make -C /home/builder/openwrt/build_dir/target-mipsel_24kc_glibc/linux-ramips_mt7620/linux-5.15.111 M=/home/builder/openwrt/build_dir/target-mipsel_24kc_glibc/linux-ramips_mt7620/ipt-netflow-b049e91 modules
make[4]: Entering directory '/home/builder/openwrt/build_dir/target-mipsel_24kc_glibc/linux-ramips_mt7620/linux-5.15.111'
  CC [M]  /home/builder/openwrt/build_dir/target-mipsel_24kc_glibc/linux-ramips_mt7620/ipt-netflow-b049e91/ipt_NETFLOW.o
/home/builder/openwrt/build_dir/target-mipsel_24kc_glibc/linux-ramips_mt7620/ipt-netflow-b049e91/ipt_NETFLOW.c: In function 'nf_seq_show':
/home/builder/openwrt/build_dir/target-mipsel_24kc_glibc/linux-ramips_mt7620/ipt-netflow-b049e91/ipt_NETFLOW.c:762:60: error: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 's64' {aka 'long long int'} [-Werror=format=]
  762 |                         seq_printf(seq, " Flows selected %lu, discarded %lu.",
      |                                                          ~~^
      |                                                            |
      |                                                            long unsigned int
      |                                                          %llu
  763 |                             atomic64_read(&flows_selected),
      |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  
      |                             |
      |                             s64 {aka long long int}
/home/builder/openwrt/build_dir/target-mipsel_24kc_glibc/linux-ramips_mt7620/ipt-netflow-b049e91/ipt_NETFLOW.c:762:75: error: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 's64' {aka 'long long int'} [-Werror=format=]
  762 |                         seq_printf(seq, " Flows selected %lu, discarded %lu.",
      |                                                                         ~~^
      |                                                                           |
      |                                                                           long unsigned int
      |                                                                         %llu
  763 |                             atomic64_read(&flows_selected),
  764 |                             atomic64_read(&flows_observed) - atomic64_read(&flows_selected));
      |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                                            |
      |                                                            s64 {aka long long int}
/home/builder/openwrt/build_dir/target-mipsel_24kc_glibc/linux-ramips_mt7620/ipt-netflow-b049e91/ipt_NETFLOW.c:766:60: error: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 's64' {aka 'long long int'} [-Werror=format=]
  766 |                         seq_printf(seq, " Flows selected %lu.", atomic64_read(&flows_selected));
      |                                                          ~~^    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                                            |    |
      |                                                            |    s64 {aka long long int}
      |                                                            long unsigned int
      |                                                          %llu
In file included from ./include/linux/kernel.h:19,
                 from ./include/linux/list.h:9,
                 from ./include/linux/module.h:12,
                 from /home/builder/openwrt/build_dir/target-mipsel_24kc_glibc/linux-ramips_mt7620/ipt-netflow-b049e91/ipt_NETFLOW.c:22:
/home/builder/openwrt/build_dir/target-mipsel_24kc_glibc/linux-ramips_mt7620/ipt-netflow-b049e91/ipt_NETFLOW.c: In function 'ipt_netflow_init':
./include/linux/kern_levels.h:5:25: error: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'unsigned int' [-Werror=format=]
    5 | #define KERN_SOH        "\001"          /* ASCII Start Of Header */
      |                         ^~~~~~
./include/linux/printk.h:422:25: note: in definition of macro 'printk_index_wrap'
  422 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
      |                         ^~~~
/home/builder/openwrt/build_dir/target-mipsel_24kc_glibc/linux-ramips_mt7620/ipt-netflow-b049e91/ipt_NETFLOW.c:5618:9: note: in expansion of macro 'printk'
 5618 |         printk(KERN_INFO "ipt_NETFLOW: hashsize %u (%luK)\n", hashsize,
      |         ^~~~~~
./include/linux/kern_levels.h:14:25: note: in expansion of macro 'KERN_SOH'
   14 | #define KERN_INFO       KERN_SOH "6"    /* informational */
      |                         ^~~~~~~~
/home/builder/openwrt/build_dir/target-mipsel_24kc_glibc/linux-ramips_mt7620/ipt-netflow-b049e91/ipt_NETFLOW.c:5618:16: note: in expansion of macro 'KERN_INFO'
 5618 |         printk(KERN_INFO "ipt_NETFLOW: hashsize %u (%luK)\n", hashsize,
      |                ^~~~~~~~~
cc1: all warnings being treated as errors
make[5]: *** [scripts/Makefile.build:289: /home/builder/openwrt/build_dir/target-mipsel_24kc_glibc/linux-ramips_mt7620/ipt-netflow-b049e91/ipt_NETFLOW.o] Error 1
make[4]: *** [Makefile:1906: /home/builder/openwrt/build_dir/target-mipsel_24kc_glibc/linux-ramips_mt7620/ipt-netflow-b049e91] Error 2
make[4]: Leaving directory '/home/builder/openwrt/build_dir/target-mipsel_24kc_glibc/linux-ramips_mt7620/linux-5.15.111'
make[3]: *** [Makefile:27: ipt_NETFLOW.ko] Error 2
make[3]: Leaving directory '/home/builder/openwrt/build_dir/target-mipsel_24kc_glibc/linux-ramips_mt7620/ipt-netflow-b049e91'
make[2]: *** [Makefile:128: /home/builder/openwrt/build_dir/target-mipsel_24kc_glibc/linux-ramips_mt7620/ipt-netflow-b049e91/.built] Error 2
make[2]: Leaving directory '/home/builder/openwrt/feeds/customPackages/net/ipt-netflow'
time: package/feeds/customPackages/ipt-netflow/compile#17.61#3.78#21.35
    ERROR: package/feeds/customPackages/ipt-netflow failed to build.
make[1]: *** [package/Makefile:120: package/feeds/customPackages/ipt-netflow/compile] Error 1
make[1]: Leaving directory '/home/builder/openwrt'
make: *** [/home/builder/openwrt/include/toplevel.mk:231: package/feeds/customPackages/ipt-netflow/compile] Error 2

[kalamlacki]

Check this out https://github.com/kalamlacki/ipt-netflow

[demontefacto]

Check this out https://github.com/kalamlacki/ipt-netflow

It works. Thank you very much