minor: use bear for compilation database (#2919)

sgl-kernel/CMakeLists.txt

-cmake_minimum_required(VERSION 3.18)
-project(sgl-kernel LANGUAGES CXX CUDA)
-
-# Basic settings
-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)
-
-set(CUTLASS_DIR "3rdparty/cutlass")
-set(CUB_DIR "3rdparty/cub")
-
-# Set CUDA architectures
-set(CMAKE_CUDA_ARCHITECTURES "75;80;86;89;90")
-message(STATUS "Building for CUDA architectures: ${CMAKE_CUDA_ARCHITECTURES}")
-
-find_package(Python3 COMPONENTS Interpreter Development REQUIRED)
-
-# Find PyTorch
-execute_process(
-    COMMAND ${Python3_EXECUTABLE} -c "import torch; print(torch.utils.cmake_prefix_path)"
-    OUTPUT_VARIABLE TORCH_CMAKE_PATH
-    OUTPUT_STRIP_TRAILING_WHITESPACE
-)
-list(APPEND CMAKE_PREFIX_PATH "${TORCH_CMAKE_PATH}")
-
-find_package(Torch REQUIRED)
-
-# Warp Reduce library
-add_library(_kernels SHARED
-    src/sgl-kernel/csrc/trt_reduce_internal.cu
-    src/sgl-kernel/csrc/trt_reduce_kernel.cu
-    src/sgl-kernel/csrc/moe_align_kernel.cu
-    src/sgl-kernel/csrc/int8_gemm_kernel.cu
-    src/sgl-kernel/csrc/sampling_scaling_penalties.cu
-    src/sgl-kernel/csrc/sgl_kernel_ops.cu
-)
-
-target_include_directories(_kernels
-    PRIVATE
-        ${CMAKE_CURRENT_SOURCE_DIR}/src/sgl-kernel/csrc
-        ${CUDA_INCLUDE_DIRS}
-        ${TORCH_INCLUDE_DIRS}
-        ${CUTLASS_DIR}/include
-        ${CUTLASS_DIR}/tools/util/include
-        ${CUB_DIR}/cub
-)
-
-target_link_libraries(_kernels
-    PRIVATE
-        ${TORCH_LIBRARIES}
-        Python3::Python
-)
-
-# Set common properties for both libraries
-foreach(target _kernels)
-    set_target_properties(${target} PROPERTIES
-        CUDA_SEPARABLE_COMPILATION ON
-        POSITION_INDEPENDENT_CODE ON
-        CUDA_RESOLVE_DEVICE_SYMBOLS ON
-        PREFIX ""
-        SUFFIX ".so"
-    )
-endforeach()

sgl-kernel/Makefile

-.PHONY: tree ln install build clean test format
+.PHONY: tree ln submodule install build clean test format
 
 tree:
 	@tree --prune -I "__pycache__|*.egg-info|*.so|build"
 
-ln:
-	@rm -rf build && cmake . -DCMAKE_EXPORT_COMPILE_COMMANDS=1 -DCMAKE_CUDA_COMPILER=nvcc -B build && rm -rf compile_commands.json && ln -s build/compile_commands.json compile_commands.json
+submodule:
+	@git submodule update --init --recursive
 
-install:
+ln: submodule
+	@rm -rf build && bear python3 setup.py build
+
+install: submodule
 	@pip install -e .
 
-build:
+build: submodule
 	@export MAX_JOBS=$(nproc) && python3 setup.py bdist_wheel
 
 clean: