Android NDK Linker (GStreamer) - invalid linker name -fuse-ld = gold

Question

Trying to configure GStreamer for Android using Android Studio on Windows. I basically follow the tutorial from the site as much as possible, and also watch this (plus everything I can find that helps). I get:

Error: Error: Invalid linker name in argument '-fuse-ld = gold'

My Android.mk:

LOCAL_PATH := $(call my-dir) include $(CLEAR_VARS) LOCAL_MODULE := app LOCAL_SRC_FILES := app-1.c LOCAL_SHARED_LIBRARIES := gstreamer_android LOCAL_LDLIBS := -landroid include $(BUILD_SHARED_LIBRARY) ifndef GSTREAMER_ROOT ifndef GSTREAMER_ROOT_ANDROID $(error GSTREAMER_ROOT_ANDROID is not defined!) endif GSTREAMER_ROOT := $(GSTREAMER_ROOT_ANDROID) endif GSTREAMER_NDK_BUILD_PATH := $(GSTREAMER_ROOT)\share\gst-android\ndk-build GSTREAMER_PLUGINS := coreelements ogg theora vorbis videoconvert audioconvert audioresample playback glimagesink soup opensles G_IO_MODULES := gnutls GSTREAMER_EXTRA_DEPS := gstreamer-video-1.0 include $(GSTREAMER_NDK_BUILD_PATH)\gstreamer-1.0.mk 

and app / build.gradle:

 apply plugin: 'com.android.application' android { compileSdkVersion 25 buildToolsVersion "25.0.2" defaultConfig { applicationId "com.example.quant.icarus" minSdkVersion 23 targetSdkVersion 25 versionCode 1 versionName "1.0" testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" externalNativeBuild { ndkBuild { def gstRoot if (project.hasProperty('gstAndroidRoot')) gstRoot = project.gstAndroidRoot else gstRoot = System.env.GSTREAMER_ROOT_ANDROID if (gstRoot == null) throw new GradleException('GSTREAMER_ROOT_ANDROID must be set, or "gstAndroidRoot" must be defined in your gradle.properties in the top level directory of the unpacked universal GStreamer Android binaries') arguments "NDK_APPLICATION_MK=src/main/jni/Application.mk", "GSTREAMER_JAVA_SRC_DIR=src/main/java", "GSTREAMER_ROOT_ANDROID=$gstRoot", "GSTREAMER_ASSETS_DIR=src/main/assets" targets "app", "gstreamer_android" // All archs except MIPS and MIPS64 are supported abiFilters 'armeabi', 'armeabi-v7a', 'arm64-v8a' } } } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } externalNativeBuild { ndkBuild { path 'src/main/jni/Android.mk' } } } afterEvaluate { compileDebugJavaWithJavac.dependsOn 'externalNativeBuildDebug' compileReleaseJavaWithJavac.dependsOn 'externalNativeBuildRelease' } dependencies { compile fileTree(dir: 'libs', include: ['*.jar']) androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', { exclude group: 'com.android.support', module: 'support-annotations' }) compile 'com.android.support:appcompat-v7:25.3.1' compile 'com.android.support.constraint:constraint-layout:1.0.2' testCompile 'junit:junit:4.12' } 

Gradle The project is being synchronized without any problems. But the Make Project does the following:

Error: Error: Invalid linker name in argument '-fuse-ld = gold'

Or more verbose:

 * What went wrong: Execution failed for task ':app:externalNativeBuildDebug'. > Build command failed. Error while executing process C:\Users\Quant\AppData\Local\Android\Sdk\ndk-bundle\ndk-build.cmd with arguments {NDK_PROJECT_PATH=null APP_BUILD_SCRIPT=C:\Users\Quant\AndroidStudioProjects\Icarus\app\src\main\jni\Android.mk NDK_APPLICATION_MK=C:\Users\Quant\AndroidStudioProjects\Icarus\app\src\main\jni\Application.mk APP_ABI=arm64-v8a NDK_ALL_ABIS=arm64-v8a NDK_DEBUG=1 APP_PLATFORM=android-23 NDK_OUT=C:/Users/Quant/AndroidStudioProjects/Icarus/app/build/intermediates/ndkBuild/debug/obj NDK_LIBS_OUT=C:\Users\Quant\AndroidStudioProjects\Icarus\app\build\intermediates\ndkBuild\debug\lib NDK_APPLICATION_MK=src/main/jni/Application.mk GSTREAMER_JAVA_SRC_DIR=src/main/java GSTREAMER_ROOT_ANDROID=C:\Users\Quant\Desktop\GStreamer\arm GSTREAMER_ASSETS_DIR=src/main/assets gst-build-arm64-v8a/libgstreamer_android.so} GStreamer : [GEN] => gst-build-arm64-v8a/gstreamer_android.c GStreamer : [COMPILE] => gst-build-arm64-v8a/gstreamer_android.c GStreamer : [LINK] => gst-build-arm64-v8a/libgstreamer_android.so clang.exe: error: invalid linker name in argument '-fuse-ld=gold' make: *** [buildsharedlibrary_arm64-v8a] Error 1 

Any ideas on how to fix this? I saw some streams that say add flags to make it gold.exe ... except that no one says where the flags are set (and the streams don't seem too allowed).

I replaced the file 'ld.exe' as indicated in the gstreamer installation guide, even if it seemed dated (I did it after getting the same error - so as not to cause it).

Answer 1

This is a problem with the clang.exe process that is trying to link libraries. Please note: there is no need to modify the ld.exe file, as in the installation instructions, from the link in the question.

---

Fixed: you need to change two files to one architecture in the GStreamer directory so that the linker gets the name gold.exe , and not gold .

For each architecture you are interested in, you need to go over (using arm64 as an example):

1) path\to\Gstreamer\root\arm64\share\gst-android\ndk-build\gstreamer-1.0.mk and change -fuse-ld=gold to -fuse-ld=gold.exe (it appears only once in file).

Now go to:

2) path\to\Gstreamer\root\arm64\include\gmp.h and change -fuse-ld=gold to -fuse-ld=gold.exe (again, only one occurrence).

---

Some minor corrections have been made to my published Android.mk and gradle files to fully compile things, but this is beyond the scope of this question (added -llog to local ldlib and uses only the main plugin).