CMakelists.txt cannot find -lrt and cannot find -lpthread - c++

Question

I want to use a LIDAR and their SDK has two folders which are "src" and includes. src, contain few CPP files whereas include contains the header file. Now in my main.cpp I have to import one header file that contains all the necessary functions to work with the Lidar.
Now using CMakelists.txt I was trying to add them but it shows error.
====================[ Build | delta_lidar_node | Debug ]========================
"C:\Program Files\JetBrains\CLion 2019.3\bin\cmake\win\bin\cmake.exe" --build C:\Users\kazia\OneDrive\Desktop\cpp\cmake-build-debug --target delta_lidar_node -- -j 2
Scanning dependencies of target delta_lidar_node
[ 50%] Building CXX object CMakeFiles/delta_lidar_node.dir/main.cpp.obj
[100%] Linking CXX executable delta_lidar_node.exe
c:/mingw/bin/../lib/gcc/mingw32/8.2.0/../../../../mingw32/bin/ld.exe: cannot find -lrt
c:/mingw/bin/../lib/gcc/mingw32/8.2.0/../../../../mingw32/bin/ld.exe: cannot find -lpthread
collect2.exe: error: ld returned 1 exit status
CMakeFiles\delta_lidar_node.dir\build.make:85: recipe for target 'delta_lidar_node.exe' failed
CMakeFiles\Makefile2:74: recipe for target 'CMakeFiles/delta_lidar_node.dir/all' failed
CMakeFiles\Makefile2:81: recipe for target 'CMakeFiles/delta_lidar_node.dir/rule' failed
mingw32-make.exe[3]: *** [delta_lidar_node.exe] Error 1
mingw32-make.exe[2]: *** [CMakeFiles/delta_lidar_node.dir/all] Error 2
mingw32-make.exe[1]: *** [CMakeFiles/delta_lidar_node.dir/rule] Error 2
mingw32-make.exe: *** [delta_lidar_node] Error 2
Makefile:117: recipe for target 'delta_lidar_node' failed
here is my Cmakelists.txs
cmake_minimum_required(VERSION 2.8.3)
project(delta_lidar)
set(delta_lidar_SDK_PATH "./src/")
FILE(GLOB delta_lidar_SDK_SRC
"${delta_lidar_SDK_PATH}/src/*.cpp"
)
include_directories(
${delta_lidar_SDK_PATH}/include
${delta_lidar_SDK_PATH}/src
)
add_executable(delta_lidar_node main.cpp ${delta_lidar_SDK_SRC})
target_link_libraries(delta_lidar_node -lrt -lpthread)