Error when compile package from sdk ath79

modules
make[4]: Entering directory '/usr/src/linux-headers-5.13.0-39-generic'
  CC [M]  /home/isso/Downloads/openwrt-sdk-ath79-generic_gcc-11.2.0_musl.Linux-x86_64/build_dir/target-mips_24kc_musl/linux-ath79_generic/kmod-tcp-ledbat-/tcp_ledbat.o
mips-openwrt-linux-musl-gcc: error: unrecognized command-line option '-mrecord-mcount'
make[5]: *** [scripts/Makefile.build:281: /home/isso/Downloads/openwrt-sdk-ath79-generic_gcc-11.2.0_musl.Linux-x86_64/build_dir/target-mips_24kc_musl/linux-ath79_generic/kmod-tcp-ledbat-/tcp_ledbat.o] Error 1
make[4]: *** [Makefile:1879: /home/isso/Downloads/openwrt-sdk-ath79-generic_gcc-11.2.0_musl.Linux-x86_64/build_dir/target-mips_24kc_musl/linux-ath79_generic/kmod-tcp-ledbat-] Error 2
make[4]: Leaving directory '/usr/src/linux-headers-5.13.0-39-generic'
make[3]: *** [Makefile:6: default] Error 2
make[3]: Leaving directory '/home/isso/Downloads/openwrt-sdk-ath79-generic_gcc-11.2.0_musl.Linux-x86_64/build_dir/target-mips_24kc_musl/linux-ath79_generic/kmod-tcp-ledbat-'
make[2]: *** [Makefile:45: /home/isso/Downloads/openwrt-sdk-ath79-generic_gcc-11.2.0_musl.Linux-x86_64/build_dir/target-mips_24kc_musl/linux-ath79_generic/kmod-tcp-ledbat-/.built] Error 2
make[2]: Leaving directory '/home/isso/Downloads/openwrt-sdk-ath79-generic_gcc-11.2.0_musl.Linux-x86_64/package/tcp-ledbat'
time: package/tcp-ledbat/compile#2.81#2.34#5.02
    ERROR: package/tcp-ledbat failed to build.
make[1]: *** [package/Makefile:116: package/tcp-ledbat/compile] Error 1
make[1]: Leaving directory '/home/isso/Downloads/openwrt-sdk-ath79-generic_gcc-11.2.0_musl.Linux-x86_64'
make: *** [/home/isso/Downloads/openwrt-sdk-ath79-generic_gcc-11.2.0_musl.Linux-x86_64/include/toplevel.mk:223: package/tcp-ledbat/compile] Error 2

what is wrong ?

Not enough information provided and still asking for help?
It looks like you are building some custom kernel module?

i'm trying to build this module https://github.com/silviov/TCP-LEDBAT for openwrt tp link c7v5
using sdk ath79 but i gets error about error: unrecognized command-line option '-mrecord-mcount'

A missing space after -mrecord?