Errors when building for Android

[vinothkumarc2805]

Describe the issue

While creating the AWS SDK C++ for Android as per the AWS SDK C++ documentation, I am getting the following error.

vinoth@vinoth-HP-245-G7-Notebook-PC:~/sdk_build$ cmake ../aws-sdk-cpp -DNDK_DIR="/home/vinoth/Android/Sdk/ndk/21.3.6528147/" -DBUILD_SHARED_LIBS=OFF -DCMAKE_BUILD_TYPE=Debug -DCUSTOM_MEMORY_MANAGEMENT=ON -DTARGET_ARCH=ANDROID -DANDROID_NATIVE_API_LEVEL=21 -DCMAKE_PREFIX_PATH="/usr/local" -DLEGACY_MODE=OFF
CMake Warning at CMakeLists.txt:9 (message):
In 1.11 releases, we are releasing experimental alternative building
mode.By setting -DLEGACY_MODE=OFF you can test our advances in modern CMake
building and provide early feedback. The legacy support is set by default
in 1.11, when you complete build updating scripts please update the build
flags as mentioned in README.md and set -DLEGACY_BUILD=OFF. The legacy
support will be removed at 1.12.0 release.

CMake Deprecation Warning at CMakeLists.txt:17 (cmake_policy):
The OLD behavior for policy CMP0077 will be removed from a future version
of CMake.

The cmake-policies(7) manual explains that the OLD behaviors of all
policies are deprecated and that a policy should be set to OLD only under
specific short-term circumstances. Projects should be ported to the NEW
behavior and not rely on setting a policy to OLD.

-- Building AWS libraries as static objects
-- Android ABI: none specified, defaulting to armeabi-v7a
-- Android toolchain unspecified, defaulting to clang
-- Android std lib: c++_shared
-- Android API level: 21
-- Building project version: 1.11.62
-- Building Zlib as part of AWS SDK
-- Encryption: LibCrypto
-- Building Openssl as part of AWS SDK
-- Http client: Curl
-- Building Curl as part of AWS SDK
CMake Error: The source directory "/home/vinoth/aws-sdk-cpp/android-build" does not exist.
Specify --help for usage, or press the help button on the CMake GUI.
CMake Error at cmake/build_external.cmake:139 (message):
Failed to configure dependency libraries.
Call Stack (most recent call first):
CMakeLists.txt:198 (include)

-- Configuring incomplete, errors occurred!

Links

https://docs.aws.amazon.com/sdk-for-cpp/v1/developer-guide/setup-linux.html

[jmklix]

Can you confirm that this dir does exist and that you are running the cmake commands with the proper permissions to access this folder:

/home/vinoth/aws-sdk-cpp/android-build

This error:

CMake Error: The source directory "/home/vinoth/aws-sdk-cpp/android-build" does not exist.

points to something being wrong with this folder. You shouldn't need admin/sudo access to the folder but it could be blocked by that.

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[vinothkumarc2805]

The problem is the non existence of "android-build" folder inside the "aws-sdk-cpp" folder. i feel this suppose to be present in the aws-sdk-cpp in the latest code (main branch). However, When i refer the branch "version1.9", the "android-build" folder exists. Please recommend which branch to be used to create Andorid build.

[ankurthegamedev]

We are also facing the same issue sdk compiling fine for win and linux.But for android we are helples.

-- Building Curl as part of AWS SDK
CMake Error: The source directory "/home//AWS/aws-sdk-cpp/android-build" does not exist.
Specify --help for usage, or press the help button on the CMake GUI.
CMake Error at cmake/build_external.cmake:139 (message):
Failed to configure dependency libraries.
Call Stack (most recent call first):
CMakeLists.txt:198 (include)

[yasminetalby]

Hello @vinothkumarc2805 and @ankurgamedev ,

Thank you very much for your submissions and collaboration.
I sincerely apologize for the delay of answer.
There has been a restructuring of File Hierarchy of the project source code in v1.11.0 (see).
As mentioned by @vinothkumarc2805 aws-sdk-cpp/android-build does exist in version prior to this change.
I have created a backlog item to fix the issue you are currently experiencing.

In the meantime, are you able to work around this by using previous versions of the SDK?

Thank you once again for your time and for reporting this issue.

Sincerely,

Yasmine.

[ankurthegamedev]

Yes sdk 1.8 is compiling fine. But as a game project we have four build targets Win64 linux ios and android and want to stick with same latest sdk version.
So a blog post or some sort of guide on how to update script and cmake files can be helpful for us.

[yasminetalby]

Thank you very much for your feedback @ankurgamedev!
This makes sense. I will post an update here as soon as this issue is resolved.
We really appreciate you reaching out and bringing this issue to our attention.

Sincerely,

Yasmine.

[ankurthegamedev]

### If you want build latest sdk for android change below files and it will compile successfully.Tested and Working.

• IN ..\aws-sdk-cpp\cmake\build_external.cmake ->** change* ${CMAKE_CURRENT_SOURCE_DIR}/android-build change it to ${CMAKE_CURRENT_SOURCE_DIR}/tools/android-build**

• IN ..\aws-sdk-cpp\cmake\build_external.cmake ->remove extra -- before -j ${NUM_JOBS} it fixes the problem.***

• IN ..\aws-sdk-cpp\tools\android-build\configure_openssl_cmake.py ——> change sourceDir = os.path.join(baseDir, "android-build", "cmakefiles", "openssl-cmake") to sourceDir = os.path.join(baseDir,”tools”,"android-build", "cmakefiles", "openssl-cmake")

• IN ..\aws-sdk-cpp\tools\android-build\CMakeLists.txt -> CHANGE python ${AWS_NATIVE_SDK_ROOT}/android-build/configure_openssl_cmake.py to python ${AWS_NATIVE_SDK_ROOT}/tools/android-build/configure_openssl_cmake.py**

• IN ..\aws-sdk-cpp\tools\android-build\CMakeLists.txt -> Change ${AWS_NATIVE_SDK_ROOT}/android-build/CurlAndroidCrossCompile.cmake to C ${AWS_NATIVE_SDK_ROOT}/tools/android-build/CurlAndroidCrossCompile.cmake**

Thanks

[protsenko85]

### If you want build latest sdk for android change below files and it will compile successfully.Tested and Working.

• IN ..\aws-sdk-cpp\cmake\build_external.cmake ->** change* ${CMAKE_CURRENT_SOURCE_DIR}/android-build change it to ${CMAKE_CURRENT_SOURCE_DIR}/tools/android-build**
• IN ..\aws-sdk-cpp\cmake\build_external.cmake ->remove extra -- before -j ${NUM_JOBS} it fixes the problem.***
• IN ..\aws-sdk-cpp\tools\android-build\configure_openssl_cmake.py ——> change sourceDir = os.path.join(baseDir, "android-build", "cmakefiles", "openssl-cmake") to sourceDir = os.path.join(baseDir,”tools”,"android-build", "cmakefiles", "openssl-cmake")
• IN ..\aws-sdk-cpp\tools\android-build\CMakeLists.txt -> CHANGE python ${AWS_NATIVE_SDK_ROOT}/android-build/configure_openssl_cmake.py to python ${AWS_NATIVE_SDK_ROOT}/tools/android-build/configure_openssl_cmake.py**
• IN ..\aws-sdk-cpp\tools\android-build\CMakeLists.txt -> Change ${AWS_NATIVE_SDK_ROOT}/android-build/CurlAndroidCrossCompile.cmake to C ${AWS_NATIVE_SDK_ROOT}/tools/android-build/CurlAndroidCrossCompile.cmake**

Thanks

After using this fix i got a problem with OpelSSL
`FAILED: CMakeFiles/install.util
cmd.exe /C "cd /D C:_Projects\test_proj\build_sdk_android\external-build\ZLIB-prefix\src\ZLIB-build && "C:\Program Files\CMake\bin\cmake.exe" -P cmake_install.cmake"
ninja: build stopped: subcommand failed.
[3/16] Performing patch step for 'OPENSSL'
FAILED: OPENSSL-prefix/src/OPENSSL-stamp/OPENSSL-patch C:/_Projects/test_proj/build_sdk_android/external-build/OPENSSL-prefix/src/OPENSSL-stamp/OPENSSL-patch
cmd.exe /C "cd /D C:_Projects\test_proj\build_sdk_android\openssl-src && cd C:/_Projects/test_proj/build_sdk_android/external-build && python C:/_Projects/test_proj/aws-sdk-cpp/tools/android-build/configure_openssl_cmake.py --source C:/_Projects/test_proj/aws-sdk-cpp --dest C:/_Projects/test_proj/build_sdk_android/openssl-src && "C:\Program Files\CMake\bin\cmake.exe" -E touch C:/_Projects/test_proj/build_sdk_android/external-build/OPENSSL-prefix/src/OPENSSL-stamp/OPENSSL-patch"
Python
ninja: build stopped: subcommand failed.
CMake Error at cmake/build_external.cmake:148 (message):
Failed to build dependency libraries.
Call Stack (most recent call first):
CMakeLists.txt:198 (include)

-- Configuring incomplete, errors occurred!`

Do you know what could be the possible causes and solutions?

[ankurthegamedev]

Please provide cmake command you are using to build??

[protsenko85]

@ankurgamedev here it is
cmake ../aws-sdk-cpp -DNDK_DIR="C:\Users\prots\AppData\Local\Android\Sdk\ndk\21.4.7075529" -DBUILD_SHARED_LIBS=OFF -GNinja -DENABLE_TESTING=OFF -DCMAKE_BUILD_TYPE=Release -DCUSTOM_MEMORY_MANAGEMENT=ON -DTARGET_ARCH=ANDROID -DANDROID_NATIVE_API_LEVEL=21 -DBUILD_ONLY="identity-management;s3"

[ankurthegamedev]

Try -G "Ninja" instead of -GNinja and cmake version 3.21.6 installed because as far as I know sdk has issues with latest cmake

[protsenko85]

I have install cmake version 3.21.6 and changed cmake command to cmake ../aws-sdk-cpp -DNDK_DIR="C:\Users\prots\AppData\Local\Android\Sdk\ndk\21.4.7075529" -DBUILD_SHARED_LIBS=OFF -G "Ninja" -DENABLE_TESTING=OFF -DCMAKE_BUILD_TYPE=Release -DCUSTOM_MEMORY_MANAGEMENT=ON -DTARGET_ARCH=ANDROID -DANDROID_NATIVE_API_LEVEL=21 -DBUILD_ONLY="identity-management;s3" -DCMAKE_INSTALL_PREFIX="C:\_Projects\test_proj\install_sdk_android"
Still having the same error

[ankurthegamedev]

Are you able to build for windows?? Have you installed visual studio llvm component for target cpu. Please share visual studio components installed?

[protsenko85]

Yes, i am able to build for windows, problems start with build for android
I just installed the Clang/LLVM component for VS, but it didn't change anything
VS installed components list:
"Microsoft.VisualStudio.Component.CoreEditor", "Microsoft.VisualStudio.Workload.CoreEditor", "Microsoft.VisualStudio.Component.NuGet", "Microsoft.Net.Component.4.6.1.TargetingPack", "Microsoft.VisualStudio.Component.Roslyn.Compiler", "Microsoft.VisualStudio.Component.Roslyn.LanguageServices", "Microsoft.VisualStudio.Component.FSharp", "Microsoft.ComponentGroup.ClickOnce.Publish", "Microsoft.NetCore.Component.DevelopmentTools", "Microsoft.VisualStudio.Component.FSharp.WebTemplates", "Microsoft.VisualStudio.ComponentGroup.WebToolsExtensions", "Microsoft.VisualStudio.Component.DockerTools", "Microsoft.NetCore.Component.Web", "Microsoft.Net.Component.4.8.SDK", "Microsoft.Net.Component.4.7.2.TargetingPack", "Microsoft.Net.ComponentGroup.DevelopmentPrerequisites", "Microsoft.VisualStudio.Component.TypeScript.4.3", "Microsoft.VisualStudio.Component.JavaScript.TypeScript", "Microsoft.VisualStudio.Component.JavaScript.Diagnostics", "Microsoft.Component.MSBuild", "Microsoft.VisualStudio.Component.TextTemplating", "Component.Microsoft.VisualStudio.RazorExtension", "Microsoft.VisualStudio.Component.IISExpress", "Microsoft.VisualStudio.Component.SQL.ADAL", "Microsoft.VisualStudio.Component.SQL.LocalDB.Runtime", "Microsoft.VisualStudio.Component.Common.Azure.Tools", "Microsoft.VisualStudio.Component.SQL.CLR", "Microsoft.VisualStudio.Component.MSODBC.SQL", "Microsoft.VisualStudio.Component.MSSQL.CMDLnUtils", "Microsoft.VisualStudio.Component.ManagedDesktop.Core", "Microsoft.Net.Component.4.5.2.TargetingPack", "Microsoft.Net.Component.4.5.TargetingPack", "Microsoft.VisualStudio.Component.SQL.SSDT", "Microsoft.VisualStudio.Component.SQL.DataSources", "Component.Microsoft.Web.LibraryManager", "Component.Microsoft.WebTools.BrowserLink.WebLivePreview", "Microsoft.VisualStudio.ComponentGroup.Web", "Microsoft.VisualStudio.Component.Web", "Microsoft.VisualStudio.ComponentGroup.Web.Client", "Microsoft.Net.Component.4.TargetingPack", "Microsoft.Net.Component.4.5.1.TargetingPack", "Microsoft.Net.Component.4.6.TargetingPack", "Microsoft.Net.ComponentGroup.TargetingPacks.Common", "Component.Microsoft.VisualStudio.Web.AzureFunctions", "Microsoft.VisualStudio.ComponentGroup.AzureFunctions", "Microsoft.VisualStudio.Component.Azure.Compute.Emulator", "Microsoft.VisualStudio.Component.Azure.Storage.Emulator", "Microsoft.VisualStudio.Component.Azure.ClientLibs", "Microsoft.VisualStudio.Component.Azure.AuthoringTools", "Microsoft.VisualStudio.Component.CloudExplorer", "Microsoft.VisualStudio.ComponentGroup.Web.CloudTools", "Microsoft.VisualStudio.Component.DiagnosticTools", "Microsoft.VisualStudio.Component.EntityFramework", "Microsoft.VisualStudio.Component.AspNet45", "Microsoft.VisualStudio.Component.AppInsights.Tools", "Microsoft.VisualStudio.Component.WebDeploy", "Microsoft.VisualStudio.Component.Debugger.JustInTime", "Component.Microsoft.VisualStudio.LiveShare", "Microsoft.VisualStudio.Component.WslDebugging", "Microsoft.VisualStudio.Component.IntelliCode", "Microsoft.NetCore.Component.Runtime.3.1", "Microsoft.NetCore.Component.Runtime.5.0", "Microsoft.NetCore.Component.SDK", "Microsoft.VisualStudio.Workload.NetWeb", "Microsoft.VisualStudio.Component.VC.CoreIde", "Microsoft.VisualStudio.Component.Windows10SDK", "Microsoft.VisualStudio.Component.VC.Tools.x86.x64", "Microsoft.VisualStudio.Component.Graphics.Tools", "Microsoft.VisualStudio.Component.VC.DiagnosticTools", "Microsoft.VisualStudio.Component.Windows10SDK.19041", "Microsoft.ComponentGroup.Blend", "Microsoft.VisualStudio.ComponentGroup.MSIX.Packaging", "Microsoft.VisualStudio.Component.VC.Redist.14.Latest", "Microsoft.VisualStudio.ComponentGroup.NativeDesktop.Core", "Microsoft.VisualStudio.Component.VC.Tools.ARM64", "Microsoft.VisualStudio.ComponentGroup.WebToolsExtensions.CMake", "Microsoft.VisualStudio.Component.VC.CMake.Project", "Microsoft.VisualStudio.Component.VC.ATL", "Microsoft.VisualStudio.Component.VC.TestAdapterForBoostTest", "Microsoft.VisualStudio.Component.VC.TestAdapterForGoogleTest", "Microsoft.VisualStudio.Component.VC.CLI.Support", "Microsoft.VisualStudio.Component.VC.ASAN", "Microsoft.VisualStudio.Component.VC.Modules.x86.x64", "Microsoft.VisualStudio.Component.VC.Llvm.ClangToolset", "Microsoft.VisualStudio.Component.VC.Llvm.Clang", "Component.IncredibuildMenu", "Component.Incredibuild", "Microsoft.VisualStudio.Component.Windows11SDK.22000", "Microsoft.VisualStudio.Component.Windows10SDK.18362", "Microsoft.VisualStudio.Workload.NativeDesktop", "Microsoft.Component.NetFX.Native", "Microsoft.VisualStudio.ComponentGroup.UWP.NetCoreAndStandard", "Microsoft.VisualStudio.Component.Graphics", "Microsoft.VisualStudio.ComponentGroup.UWP.Xamarin", "Microsoft.VisualStudio.ComponentGroup.UWP.Support", "Microsoft.VisualStudio.Component.UWP.VC.ARM64", "Microsoft.VisualStudio.Component.VC.Tools.ARM64EC", "Microsoft.VisualStudio.Component.UWP.VC.ARM64EC", "Microsoft.VisualStudio.Workload.Universal", "Component.OpenJDK", "Component.Android.SDK25.Private", "Component.Android.NDK.R16B", "Component.Ant", "Component.MDD.Android", "Microsoft.VisualStudio.Workload.NativeMobile", "Microsoft.VisualStudio.Workload.NativeGame", "Microsoft.VisualStudio.Component.VC.14.29.16.10.ARM", "Microsoft.VisualStudio.Component.VC.14.29.16.10.ARM.Spectre"

When i'm trying to build with VS 2019 - error is different:
CLANGCOMPILE : error : unknown target CPU 'armv7-a' [C:\_Projects\test_proj\build_sdk_android\CMakeFiles\CMakeTmp\cmTC_98aa9.vcxproj]

When compile with Ninja error is still with OpenSSL

[qiantanjingtao]

### If you want build latest sdk for android change below files and it will compile successfully.Tested and Working.

• IN ..\aws-sdk-cpp\cmake\build_external.cmake ->** change* ${CMAKE_CURRENT_SOURCE_DIR}/android-build change it to ${CMAKE_CURRENT_SOURCE_DIR}/tools/android-build**
• IN ..\aws-sdk-cpp\cmake\build_external.cmake ->remove extra -- before -j ${NUM_JOBS} it fixes the problem.***
• IN ..\aws-sdk-cpp\tools\android-build\configure_openssl_cmake.py ——> change sourceDir = os.path.join(baseDir, "android-build", "cmakefiles", "openssl-cmake") to sourceDir = os.path.join(baseDir,”tools”,"android-build", "cmakefiles", "openssl-cmake")
• IN ..\aws-sdk-cpp\tools\android-build\CMakeLists.txt -> CHANGE python ${AWS_NATIVE_SDK_ROOT}/android-build/configure_openssl_cmake.py to python ${AWS_NATIVE_SDK_ROOT}/tools/android-build/configure_openssl_cmake.py**
• IN ..\aws-sdk-cpp\tools\android-build\CMakeLists.txt -> Change ${AWS_NATIVE_SDK_ROOT}/android-build/CurlAndroidCrossCompile.cmake to C ${AWS_NATIVE_SDK_ROOT}/tools/android-build/CurlAndroidCrossCompile.cmake**

Thanks

Maybe add one:
change cmake/build_external.cmake : line 21, as following:

set(ZLIB_INCLUDE_DIR ${ZLIB_INSTALL_DIR}/include CACHE INTERNAL "zlib include dir")

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