compile error cc1plus: error: unrecognized argument to '-flto=' option: 'thin'

[bogaskilop]

I'm trying to compile this grip module for my rehlds server on ubuntu 20.04 and i'm stuck on this error adn can not find any sollution how to procced:

warning: grip-rust(lib) generated 135 warnings (30 duplicates) Finished dev [unoptimized + debuginfo] target(s) in 4.30s make[2]: Leaving directory '/home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test' [ 25%] Built target grip-rust_target make -f CMakeFiles/grip.dir/build.make CMakeFiles/grip.dir/depend make[2]: Entering directory '/home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test' cd /home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test /home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test /home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test /home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test /home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test/CMakeFiles/grip.dir/DependInfo.cmake --color= make[2]: Leaving directory '/home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test' make -f CMakeFiles/grip.dir/build.make CMakeFiles/grip.dir/build make[2]: Entering directory '/home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test' [ 50%] Building CXX object CMakeFiles/grip.dir/cpp/main.cpp.o /usr/bin/c++ -Dgrip_EXPORTS -I/home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test/third_party/hlsdk/common -I/home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test/third_party/hlsdk/dlls -I/home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test/third_party/hlsdk/engine -I/home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test/third_party/hlsdk/pm_shared -I/home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test/third_party/hlsdk/game_shared -I/home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test/third_party/hlsdk/public -I/home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test/third_party/metamod-hl1/metamod -I/home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test/third_party/amxmodx/public -I/home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test/third_party/amxmodx/public/sdk -I/home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test/cpp/helper -Wall -Wextra -Wzero-as-null-pointer-constant -Wunknown-pragmas -fPIC -m32 -O3 -mtune=generic -fvisibility=hidden -flto=thin -fpic -fdata-sections -ffunction-sections -fpermissive -std=c++17 -o CMakeFiles/grip.dir/cpp/main.cpp.o -c /home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test/cpp/main.cpp cc1plus: error: unrecognized argument to '-flto=' option: 'thin' make[2]: *** [CMakeFiles/grip.dir/build.make:66: CMakeFiles/grip.dir/cpp/main.cpp.o] Error 1 make[2]: Leaving directory '/home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test' make[1]: *** [CMakeFiles/Makefile2:99: CMakeFiles/grip.dir/all] Error 2 make[1]: Leaving directory '/home/cs/Instalki/addons/fragujemy/grip/grip-0.0.0.0-test' make: *** [Makefile:87: all] Error 2

If some one could point me as without this grip module i can not install some IP blocking addons for my server :(