如何解决使用CMake内置NDK构建VerilatorC ++
我尝试使用this示例,但没有任何反应:
cmake_minimum_required(VERSION 3.8)
project(cmake_simulator)
set(CMAKE_SYSTEM_NAME Android)
set(CMAKE_SYSTEM_VERSION 21)
set(CMAKE_ANDROID_ARCH_ABI x86)
set(CMAKE_ANDROID_NDK /home/icarolima/Android/Sdk/ndk/21.3.6528147)
set(CMAKE_ANDROID_STL_TYPE gnustl_static)
set(CMAKE_TOOLCHAIN_FILE /home/icarolima/Android/Sdk/ndk/21.3.6528147/build/cmake/android.toolchain.cmake)
find_package(verilator HINTS $ENV{VERILATOR_ROOT} ${VERILATOR_ROOT})
if (NOT verilator_FOUND)
message(FATAL_ERROR "Verilator was not found. Either install it,or set the VERILATOR_ROOT environment variable")
endif()
# Create a new executable target that will contain all your sources
add_library(simulator SHARED simulator.cpp)
# Add the Verilated circuit to the target
verilate(simulator
INCLUDE_DIRS "."
SOURCES top.sv
VERILATOR_ARGS -Wno-CASEINCOMPLETE -Wno-WIDTH -Wno-COMBDLY -cc +1800-2012ext+sv)
例如,如果我将CMAKE_ANDROID_ARCH_ABI
更改为其他任何内容,则什么也没有发生。就像CMake忽略了代码的NDK部分一样。
但是如果我将项目更改到另一个位置,则会发生不同的事情:
cmake_minimum_required(VERSION 3.8)
set(CMAKE_SYSTEM_NAME Android)
set(CMAKE_SYSTEM_VERSION 21)
set(CMAKE_ANDROID_ARCH_ABI x86)
set(CMAKE_ANDROID_NDK /home/icarolima/Android/Sdk/ndk/21.3.6528147)
set(CMAKE_ANDROID_STL_TYPE gnustl_static)
project(cmake_simulator)
set(CMAKE_TOOLCHAIN_FILE /home/icarolima/Android/Sdk/ndk/21.3.6528147/build/cmake/android.toolchain.cmake)
find_package(verilator HINTS $ENV{VERILATOR_ROOT} ${VERILATOR_ROOT})
if (NOT verilator_FOUND)
message(FATAL_ERROR "Verilator was not found. Either install it,or set the VERILATOR_ROOT environment variable")
endif()
# Create a new executable target that will contain all your sources
add_library(simulator SHARED simulator.cpp)
# Add the Verilated circuit to the target
verilate(simulator
INCLUDE_DIRS "."
SOURCES top.sv
VERILATOR_ARGS -Wno-CASEINCOMPLETE -Wno-WIDTH -Wno-COMBDLY -cc +1800-2012ext+sv)
错误:
CMake Error at /home/icarolima/Android/Sdk/cmake/3.10.2.4988404/share/cmake-3.10/Modules/Platform/Android/Determine-Compiler-NDK.cmake:97 (message):
Android: No toolchain for ABI 'x86' found in the NDK:
/home/icarolima/Android/Sdk/ndk/21.3.6528147
我没有使用CMake的经验,我认为问题在于事物的顺序。谁能帮我吗?
解决方法
设置所有这些变量(例如CMAKE_SYSTEM_NAME
,CMAKE_SYSTEM_VERSION
,CMAKE_ANDROID_ARCH_ABI
等)应在工具链文件中进行。通过将它们放在CMakeLists.txt
文件本身中,您肯定会遇到一些讨厌的CMake行为。您链接here的CMake文档中甚至有一个示例工具链文件。
此外,在调用cmake
时,应该在命令行上设置CMAKE_TOOLCHAIN_FILE
变量,而不是在CMake文件本身中。这样会将您的CMakeLists.txt
文件减少为以下内容:
cmake_minimum_required(VERSION 3.8)
project(cmake_simulator)
find_package(verilator HINTS $ENV{VERILATOR_ROOT} ${VERILATOR_ROOT})
if (NOT verilator_FOUND)
message(FATAL_ERROR "Verilator was not found. Either install it,or set the VERILATOR_ROOT environment variable")
endif()
# Create a new executable target that will contain all your sources
add_library(simulator SHARED simulator.cpp)
# Add the Verilated circuit to the target
verilate(simulator
INCLUDE_DIRS "."
SOURCES top.sv
VERILATOR_ARGS -Wno-CASEINCOMPLETE -Wno-WIDTH -Wno-COMBDLY -cc +1800-2012ext+sv)
然后,您应该调用cmake
,指定要使用的工具链文件,如下所示:
cmake -DCMAKE_TOOLCHAIN_FILE=/home/icarolima/Android/Sdk/ndk/21.3.6528147/build/cmake/android.toolchain.cmake ..
,
因此,为澄清起见,我的解决方法可以在这里:Dockerfile,在这里:sandbox_template。
感谢答案@squareskittles!
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