CMake：如何将CUDA添加到现有项目 [英] CMake: how to add cuda to existing project

问题描述

我有一个构建库的项目，我想向它添加一些cuda支持。

I have a project that builds a library and I want to add some cuda support to it.

结构为：

| Basedir

| _subdir1

| _subdir2

|Basedir
|_subdir1
|_subdir2

CMakeLists.txt文件的基本结构：（subdir2不重要）。

在Basedir中：

The basic structure of the CMakeLists.txt files: (subdir2 is not important).
in Basedir:

cmake_minimum_required(VERSION 2.6)
PROJECT(myproject)
find_package(CUDA)
INCLUDE_DIRECTORIES(${MYPROJECT_SOURCE_DIR})
ADD_SUBDIRECTORY(subdir1)
ADD_SUBDIRECTORY(subdir2)

在子目录1中：

ADD_LIBRARY(mylib shared
    file1.cpp
    file2.cpp
    file3.cpp
)

INSTALL(
TARGETS mylib
DESTINATION lib
PERMISSIONS
    OWNER_READ OWNER_WRITE OWNER_EXECUTE
    GROUP_READ GROUP_EXECUTE
    WORLD_READ WORLD_EXECUTE
)

FILE(GLOB_RECURSE HEADERS RELATIVE ${MYPROJECT_SOURCE_DIR}/myproject *.h)

FOREACH(HEADER ${HEADERS})
    STRING(REGEX MATCH "(.*)[/\\]" DIR ${HEADER})
    INSTALL(FILES ${HEADER} DESTINATION include/myproject/${DIR})
ENDFOREACH(HEADER)

我实际上并不真正知道如何放置cuda支持它。我想将file2.cpp替换为file2.cu，但是这样做了，但是它没有构建.cu文件，仅构建了cpp文件。

I actually don't really know how to put the cuda-support into it. I want to replace file2.cpp with file2.cu and I did that, but it didn't build the .cu file, only the cpp files.

是否必须添加CUDA_ADD_EXECUTABLE（）来包含任何cuda文件？然后如何将其链接到其他文件？

Do I have to add CUDA_ADD_EXECUTABLE() to include any cuda-files? How will I then link it to the other files?

我尝试将以下内容添加到subdir1中的CMakeLists.txt中：

I tried adding the following to the CMakeLists.txt in subdir1:

CUDA_ADD_EXECUTABLE(cuda file2.cu OPTIONS -arch sm_20)

这将编译文件，但会生成可执行的cuda。如何将其链接到mylib？
刚好？

That will compile the file but build an executable cuda. How do I link it to mylib? Just with?:

TARGET_LINK_LIBRARIES(cuda mylib)

我必须承认我没有cmake经验，但是我想你已经明白了。

I have to admit that I'm not experienced in cmake, but I guess you figured that.

推荐答案

您可以将 CUDA_ADD_LIBRARY 用于 mylib 项目。它可用于 CUDA_ADD_EXECUTABLE ，但适用于库。

You can use CUDA_ADD_LIBRARY for mylib project. It works as CUDA_ADD_EXECUTABLE but for libraries.

CUDA_ADD_LIBRARY(mylib SHARED
    file1.cpp
    file2.cu
    file3.cpp
    OPTIONS -arch sm_20
)

TARGET_LINK_LIBRARIES(mylib ${CUDA_LIBRARIES})

这篇关于CMake：如何将CUDA添加到现有项目的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！