在OpenCV上。C++编译器不能编译简单的测试程序。使用CLAN+++

构建脚本.py

build_dir=“build_android_debug”
conan_install_arguments=“-s compiler=clang-s compiler.version=6.0-s compiler.libcxx=libc++-s os=android-s os.api_level=26-s arch=armv8-s build_type=debug”

android_cmake_toolchain_path=current_dir_absolute_path+“/cmake toolchains/android.cmake”
conan_install_arguments+=“--env conan_cmake_toolchain_file=\”%s\“”%android_cmake_toolchain_path

conan_install_arguments+=“--env conan_cmake_find_root_path=/users/<user>/library/android/sdk/ndk bundle/sysroot”
conan_install_arguments+=“--env path=[/users/<user>/library/android/sdk/ndk bundle/toolchains/llvm/prebuilt/darwin-x86_64/bin]”
conan_install_arguments+=“--env ar=llvm ar”
conan_install_arguments+=“--env as=llvm as”
conan_install_arguments+=“--env cc=clang”
conan_install_arguments+=“--env cxx=clang++”

conan_install_command=“CD%s&conan安装..%s“%(build_dir,conan_install_arguments)

操作系统(conan_install_命令)
< /代码> 

安卓.cmake

set(cmake制作程序/users/vcanato/library/android/sdk/cmake/3.6.4111459/bin/ninja)
set(cmake_android_ndk/users/vcanato/library/android/sdk/ndk bundle/)
< /代码> 

我已经尝试过的内容


生成脚本时

compiler=clang
编译器.version=5.0
compiler.libcxx=libc++
OS= Android
OpAPI级别=21
ARMV7
< /代码> 

obs:gcc在弃用中,所以没有它是个不错的解决方案,但仍然不起作用。


compiler=gcc
编译器.version=4.9
compiler.libcxx=libstdc++
OS= Android
OpAPI级别=21
ARMV7
build_type=发布
< /代码> 

在android.cmake上:

cmake_minimum_required(3.4版致命错误)
包含目录(“/Ur/本地/地窖/Gcc/0.2.0/Ic/C++/0.2.0”)
包含目录(“/rr/本地/地窖/gcc/0.2.0/包含/c++/2.02/x86y64-Apple -DelWun7.7.0/BIT”)
SET(CMACHYCXXFLAG)${CMACHYCXXFLAG}}-I/Urr/Studio/Copy/C++/2.02.//)
SET(CMACHYCXXFLAG)${CMACHYCXXFLAG}}-X/USR/ICO/C++/4.2.1//)
设置(cmake_cxx_标准11)
设置(需要Cxx_标准_)
set(cmake_cxx_编译器/usr/bin/g++“)
set(cmake-cxx-compiler“/users/vcanato/library/android/sdk/ndk bundle/toolchains/llvm/prebuilt/darwin-x86_64/bin/clang++”)
set(cmake_c_compiler“/usr/bin/gcc”)。
套件(Android_ABI ARM64-V8A)
套装(cmake_android_api android-21)
设置(cmake_build_type debug)
set(cmake_toolchain_file/users/<user>/library/android/sdk/ndk bundle/build/cmake/android.toolchain.cmake)

set(cmake_android_ndk/users/<user>/library/android/sdk/ndk bundle/cache filepath“”)
< /代码> 

在cmakelist.txt上

set(cmake-cxx-compiler/users/vcanato/library/android/sdk/ndk-bundle/toolchains/llvm/prebuilt/darwin-x86-64/bin/clang++“)
set(cmake_cxx_编译器/usr/bin/g++“)
< /代码> 

前后project()


工具链:

/users/vcanato/library/android/sdk/ndk bundle/toolchains/arm-linux-androideabi-4.9
/用户/vcanato/library/android/sdk/ndk bundle/toolchains/x86_-4.9
< /代码> 

我甚至尝试构建自己的standalone toolchain并使用conan cross building guide to android

Stack和Github上的类似问题:



cmake-clang++无法编译简单的测试程序
c编译器[]无法使用cmake和android ndk编译简单测试程序
“C++编译器”/UR/BI/C++.exe“不能编译一个简单的测试程序<< /a> 
操作系统:马科斯山脉10.13.6;
柯南:1.7.3../Cellar/conan/1.6.1/bin/conan
蟒蛇:2.7.10/usr/bin/python(也试了3次)
gcc/c++:2.2.0/opt/local/bin/gcc-mp-8 || /opt/local/bin/g++-mp-8(引用CLAN使用C++)
铿锵/铿锵+:9 1.0/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin(这不是程序正在使用的程序)
CMake:3.2.2/Applications/CMake.app/Contents/bin/cmake
使用NDK:十七


问题:开放的CV不编译C++。主要信息是

-- The CXX compiler identification is Clang 6.0.2
-- The C compiler identification is Clang 6.0.2
-- Check for working CXX compiler: /Users/<user>/Library/Android/sdk/ndk-bundle/toolchains/llvm/prebuilt/darwin-x86_64/bin/clang++
-- Check for working CXX compiler: /Users/<user>/Library/Android/sdk/ndk-bundle/toolchains/llvm/prebuilt/darwin-x86_64/bin/clang++ -- broken
CMake Error at /Applications/CMake.app/Contents/share/cmake-3.12/Modules/CMakeTestCXXCompiler.cmake:45 (message):
The C++ compiler

"/Users/<user>/Library/Android/sdk/ndk-bundle/toolchains/llvm/prebuilt/darwin-x86_64/bin/clang++"

is not able to compile a simple test program.

It fails with the following output:

Change Dir: /Users/<user>/.conan/data/OpenCV/3.4.1/ins/stable/build/4492059a128c69658616e0cf3d3f007e2ce6603c/CMakeFiles/CMakeTmp

Run Build Command:"/Users/<user>/Library/Android/sdk/cmake/3.6.4111459/bin/ninja" "cmTC_4338c"
[1/2] Building CXX object CMakeFiles/cmTC_4338c.dir/testCXXCompiler.cxx.o
[2/2] Linking CXX executable cmTC_4338c
FAILED: : && /Users/<user>/Library/Android/sdk/ndk-bundle/toolchains/llvm/prebuilt/darwin-x86_64/bin/clang++ --sysroot=/Users/<user>/Library/Android/sdk/ndk-bundle/sysroot   -Wl,-search_paths_first -Wl,-headerpad_max_install_names  CMakeFiles/cmTC_4338c.dir/testCXXCompiler.cxx.o  -o cmTC_4338c   && :
ld: library not found for -lc++
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
ninja: build stopped: subcommand failed.

CMake will not be able to correctly generate this project.



cmaketmp是一个空文件夹。
cmakeerror在“…fail with the following output”之后具有相同的消息


它要求半导体激光器库. 但在llvm文件夹上没有LLVM-LD,如果我没有错的话,它是4.0版的。我用的是10.0。这是我文件夹中的内容




光突发交换系统:正如你所看到的,我不知道如何以正确的方式设置标志,也不知道这是否会改变某些事情。


代码:

建筑脚本

build_dir = "build_Android_Debug"
conan_install_arguments = "-s compiler=clang -s compiler.version=6.0 -s compiler.libcxx=libc++ -s os=Android -s os.api_level=26 -s arch=armv8 -s build_type=Debug"

android_cmake_toolchain_path = current_dir_absolute_path + "/cmake-toolchains/Android.cmake"
conan_install_arguments += " --env CONAN_CMAKE_TOOLCHAIN_FILE=\"%s\"" % android_cmake_toolchain_path

conan_install_arguments += " --env CONAN_CMAKE_FIND_ROOT_PATH=/Users/<user>/Library/Android/sdk/ndk-bundle/sysroot"
conan_install_arguments += " --env PATH=[/Users/<user>/Library/Android/sdk/ndk-bundle/toolchains/llvm/prebuilt/darwin-x86_64/bin]"
conan_install_arguments += " --env AR=llvm-ar"
conan_install_arguments += " --env AS=llvm-as"
conan_install_arguments += " --env CC=clang"
conan_install_arguments += " --env CXX=clang++"

conan_install_command = "cd %s && conan install .. %s" % (build_dir, conan_install_arguments)

os.system(conan_install_command)


安德鲁

set(CMAKE_MAKE_PROGRAM /Users/vcanato/Library/Android/sdk/cmake/3.6.4111459/bin/ninja)
set(CMAKE_ANDROID_NDK /Users/vcanato/Library/Android/sdk/ndk-bundle/)


我已经试过了

论建筑脚本

compiler=clang
compiler.version=5.0
compiler.libcxx=libc++
os=Android
os.api_level=21
arch=armv7


obs:gcc在弃用中,所以如果没有很好的解决方案,但仍然不起作用。

compiler=gcc
compiler.version=4.9
compiler.libcxx=libstdc++
os=Android
os.api_level=21
arch=armv7
build_type=Release


在android.cmake上:

cmake_minimum_required(VERSION 3.4 FATAL_ERROR)
include_directories("/usr/local/Cellar/gcc/8.2.0/include/c++/8.2.0")
include_directories( "/usr/local/Cellar/gcc/8.2.0/include/c++/8.2.0/x86_64-apple-darwin17.7.0/bits")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -I /usr/local/include/c++/8.2.0/")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -X /usr/include/c++/4.2.1/")
set(CMAKE_CXX_STANDARD 11)
set(CXX_STANDARD_REQUIRED)
set(CMAKE_CXX_COMPILER "/usr/bin/g++")
set(CMAKE_CXX_COMPILER "/Users/vcanato/Library/Android/sdk/ndk-bundle/toolchains/llvm/prebuilt/darwin-x86_64/bin/clang++")
set(CMAKE_C_COMPILER "/usr/bin/gcc")
set(ANDROID_ABI arm64-v8a)
set(CMAKE_ANDROID_API android-21)
set(CMAKE_BUILD_TYPE Debug)
set(CMAKE_TOOLCHAIN_FILE /Users/<user>/Library/Android/sdk/ndk-bundle/build/cmake/android.toolchain.cmake)

set(CMAKE_ANDROID_NDK /Users/<user>/Library/Android/sdk/ndk-bundle/ CACHE FILEPATH "")


在cmakelist.txt上

set(CMAKE_CXX_COMPILER "/Users/vcanato/Library/Android/sdk/ndk-bundle/toolchains/llvm/prebuilt/darwin-x86_64/bin/clang++")
set(CMAKE_CXX_COMPILER "/usr/bin/g++")


前后project()

Toolchains:

/Users/vcanato/Library/Android/sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9
/Users/vcanato/Library/Android/sdk/ndk-bundle/toolchains/x86_64-4.9


我甚至尝试建立自己的standalone toolchain使用Conan cross building guide to Android

关于Stack和Github的类似问题:


CMake “clang++ is not able compile a simple test program”
“The C Compiler […] is not able to compile a simple test program” using CMake and Android NDK
"The C++ compiler "/usr/bin/c++.exe" is not able to compile a simple test program"