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#

# SPDX-FileCopyrightText: Copyright (c) 1993-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.

# SPDX-License-Identifier: Apache-2.0

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

# http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

#

cmake_minimum_required(VERSION 3.31 FATAL_ERROR)

# Default to building for the local GPU. Must be set BEFORE project(),

# otherwise project()'s CUDA language enablement initializes

# CMAKE_CUDA_ARCHITECTURES to the toolkit's lowest supported SM

# (typically sm_75), and any later `if(NOT DEFINED)` guard misfires.

# `all` is not a substitute: it caps at sm_90 for CUDA >= 12.0

# (https://github.com/Kitware/CMake/blob/v3.31.6/Modules/Internal/CMakeCUDAArchitecturesAll.cmake#L65-L77),

# missing Blackwell/Drive-Thor/Spark, and the PTX fallback fails on

# embedded/safety drivers (e.g. DriveOS QNX) that lack JIT.

if(NOT DEFINED CMAKE_CUDA_ARCHITECTURES)

set(CMAKE_CUDA_ARCHITECTURES native)

endif()

project(CircPadPlugin LANGUAGES CXX CUDA)

find_package(CUDAToolkit REQUIRED)

if(NOT MSVC)

# Enable all compile warnings

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-long-long -pedantic -Wno-deprecated-declarations")

set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -Xcompiler -Wno-deprecated-declarations")

endif()

# Sets variable to a value if variable is unset.

macro(set_ifndef var val)

if(NOT ${var})

set(${var} ${val})

endif()

message(STATUS "Configurable variable ${var} set to ${${var}}")

endmacro()

# -------- CONFIGURATION --------

if(NOT MSVC)

set_ifndef(TRT_LIB /usr/lib/x86_64-linux-gnu)

set_ifndef(TRT_INCLUDE /usr/include/x86_64-linux-gnu)

endif()

message("\nThe following variables are derived from the values of the previous variables unless provided explicitly:\n")

find_library(

_NVINFER_LIB nvinfer

HINTS ${TRT_LIB}

PATH_SUFFIXES lib lib64)

set_ifndef(NVINFER_LIB ${_NVINFER_LIB})

# -------- BUILDING --------

add_library(circ_pad_plugin SHARED ${CMAKE_SOURCE_DIR}/circ_plugin_cpp/circ_pad_plugin.cu)

target_include_directories(

circ_pad_plugin

PUBLIC ${CUDAToolkit_INCLUDE_DIRS}

PUBLIC ${TRT_INCLUDE})

set_property(TARGET circ_pad_plugin PROPERTY CUDA_STANDARD 17)

target_link_libraries(circ_pad_plugin PRIVATE ${NVINFER_LIB})

target_link_libraries(circ_pad_plugin PRIVATE CUDA::cuda_driver)