fix: resolve CodeQL cpp issue (#2305)

sgl-kernel/CMakeLists.txt

@@ -0,0 +1,47 @@
+cmake_minimum_required(VERSION 3.18)
+project(sgl-kernel LANGUAGES CXX CUDA)
+
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+set(CMAKE_CUDA_STANDARD 17)
+set(CMAKE_CUDA_STANDARD_REQUIRED ON)
+
+find_package(PythonInterp 3 REQUIRED)
+find_package(PythonLibs 3 REQUIRED)
+
+execute_process(
+    COMMAND ${PYTHON_EXECUTABLE} -c "import torch; print(torch.utils.cmake_prefix_path)"
+    OUTPUT_VARIABLE TORCH_CMAKE_PATH
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+
+message(STATUS "PYTHON_EXECUTABLE: ${PYTHON_EXECUTABLE}")
+message(STATUS "TORCH_CMAKE_PATH: ${TORCH_CMAKE_PATH}")
+
+list(APPEND CMAKE_PREFIX_PATH "${TORCH_CMAKE_PATH}")
+
+find_package(Torch REQUIRED)
+
+include_directories(${PYTHON_INCLUDE_DIRS})
+
+add_library(warp_reduce SHARED
+    src/sgl-kernel/csrc/warp_reduce.cc
+    src/sgl-kernel/csrc/warp_reduce_kernel.cu
+)
+
+target_include_directories(warp_reduce PRIVATE
+    ${CUDA_INCLUDE_DIRS}
+    ${TORCH_INCLUDE_DIRS}
+)
+
+target_link_libraries(warp_reduce PRIVATE
+    ${TORCH_LIBRARIES}
+    ${PYTHON_LIBRARIES}
+)
+
+set_target_properties(warp_reduce PROPERTIES
+    CUDA_SEPARABLE_COMPILATION ON
+)