This is not yet supported by the plugin.
On Fri, Aug 7, 2015 at 9:33 AM, Ignas Brašiškis <[email protected]>
wrote:
> Same problem here, I am strugling to link third party so's.
>
> In Gradle 2.4 normal way to build against native so's was simple:
> In build sets add jniLibs in sourceset –
>
> sourceSets {
> main {
> jniLibs.srcDirs = ['jniLibs']
> }
> }
>
> As I understand sourceSets here are replaced by android.sources directive.
> I tried this:
>
> android.sources {
> main {
> java{
> source{
> srcDir 'src'
> }
> }
> jniLibs{
> source{
> srcDir 'jniLibs'
> }
> }
> }
> }
>
>
> Gradle runs well however it still does not link: in runtime I get link
> error. Any ideas how to solve it?
>
> 2015 m. rugpjūtis 7 d., penktadienis 19:00:38 UTC+3, Stéphane Saffré rašė:
>>
>> Hello,
>>
>> I am struggling to build a simple native library depending on another
>> native third-party shared library (turbojpeg). This native library is
>> basically a wrapper of turbojpeg library.
>>
>> I have followed the documentation I have found here:
>> http://tools.android.com/tech-docs/android-ndk-preview
>> http://tools.android.com/tech-docs/new-build-system/gradle-experimental
>>
>> However I am unable to make Android Studio find the third-party library.
>> Here is the project setup
>>
>> Project build.gradle:
>>
>> // Top-level build file where you can add configuration options common to
>> all sub-projects/modules.
>> buildscript {
>> repositories {
>> jcenter()
>> }
>> dependencies {
>> classpath 'com.android.tools.build:gradle-experimental:0.2.0'
>> }
>> }
>>
>> allprojects {
>> repositories {
>> jcenter()
>> }
>> }
>>
>>
>>
>> app module build.gradle:
>>
>> apply plugin: 'com.android.model.application'
>> model {
>> android {
>> compileSdkVersion = 21
>> buildToolsVersion = "22.0.1"
>>
>> defaultConfig.with {
>> applicationId = "com.stephane.turbojpegplugin"
>> minSdkVersion.apiLevel = 19
>> targetSdkVersion.apiLevel = 19
>> }
>> }
>> /*
>> * native build settings
>> */
>> android.ndk {
>> moduleName = "TurboJpegPlugin"
>> stl = "stlport_static"
>> ldLibs = [ "turbojpeg" ]
>> /*
>> * Other ndk flags configurable here are
>> * cppFlags += "-fno-rtti"
>> * cppFlags += "-fno-exceptions"
>> * ldLibs = ["android", "log"]
>> * stl = "system"
>> */
>> }
>> android.buildTypes {
>> release {
>> minifyEnabled = false
>> proguardFiles += file('proguard-rules.txt')
>> }
>> }
>> android.productFlavors {
>> // for detailed abiFilter descriptions, refer to "Supported ABIs" @
>> // https://developer.android.com/ndk/guides/abis.html#sa
>> create("arm7") {
>> ndk.abiFilters += "armeabi-v7a"
>> }
>> }
>> }
>>
>>
>> Gradle builds sucessfully with these files however at project build here
>> is the output:
>>
>> Information:Gradle tasks [clean, :app:compileArm7DebugSources, :app:
>> compileArm7DebugAndroidTestSources]
>> :app:clean
>> :app:copyArmeabi-v7aDebugTurboJpegPluginSharedLibraryGdbServer
>> :app:createArmeabi-v7aDebugTurboJpegPluginSharedLibraryGdbsetup
>> :app:compileArmeabi-
>> v7aDebugTurboJpegPluginSharedLibraryTurboJpegPluginMainCpp
>> :app:linkArmeabi-v7aDebugTurboJpegPluginSharedLibrary
>> D:\Dev\android-ndk-r10e\toolchains\arm-linux-androideabi-4.9\prebuilt\
>> windows-x86_64\arm-linux-androideabi\bin\ld.exe
>> Error:error: cannot find -lturbojpeg
>> D:\Dev\projects\android\TurboJpegPlugin\app\src\main\jni\TurboJpegPlugin.
>> cpp
>> Error:(9) undefined reference to 'tjInitDecompress'
>> Error:(10) undefined reference to 'tjDecompressHeader2'
>> Error:(13) undefined reference to 'tjDecompress2'
>> Error:(14) undefined reference to 'tjDestroy'
>> Error:error: ld returned 1 exit status
>> Error:Execution failed for task
>> ':app:linkArmeabi-v7aDebugTurboJpegPluginSharedLibrary'.
>> > A build operation failed.
>> Linker failed while linking libTurboJpegPlugin.so.
>> See the complete log at: file:
>> ///D:/Dev/projects/android/TurboJpegPlugin/app/build/tmp/linkArmeabi-v7aDebugTurboJpegPluginSharedLibrary/output.txt
>> Information:BUILD FAILED
>> Information:Total time: 0.763 secs
>> Information:7 errors
>> Information:0 warnings
>> Information:See complete output in console
>>
>>
>> The turbojpeg library is in the jniLibs folder like this:
>>
>>
>> <https://lh3.googleusercontent.com/-yBTIB9DYN1E/VcTUDr-LKvI/AAAAAAAABb0/SVPc191qycM/s1600/2015-08-07_17h51_24.png>
>>
>> Following older articles/documentation, the jniLibs folder is where the
>> native shared libraries should be put to Android Studio automatically find
>> them but it seems it not the case anymore. Did I miss something?
>>
>> Any help would be greatly appreciated.
>>
>> Thanks!
>>
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--
Xavier Ducrohet
Android SDK Tech Lead
Google Inc.
http://developer.android.com | http://tools.android.com
Please do not send me questions directly. Thanks!
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