<div dir="ltr">Do you have the API specific library path as a -L argument to your linker? Here's what I found:<div><br></div><div>andrewes@ubuntu:~/Android/Sdk/ndk/20.0.5594570/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/lib/aarch64-linux-android/23$ for file in * ; do echo $file; objdump -x $file | grep register_atfork; done<br>crtbegin_dynamic.o<br>0000000000000000 *UND* 0000000000000000 __register_atfork<br>0000000000000080 UNKNOWN __register_atfork<br>crtbegin_so.o<br>0000000000000000 *UND* 0000000000000000 __register_atfork<br>0000000000000044 UNKNOWN __register_atfork<br>crtbegin_static.o<br>0000000000000000 *UND* 0000000000000000 __register_atfork<br>0000000000000080 UNKNOWN __register_atfork<br>...</div><div>libc.a<br> 4 .text.__register_atfork 0000009c 0000000000000000 0000000000000000 00000128 2**2<br> 5 .text.__unregister_atfork 000000a0 0000000000000000 0000000000000000 000001c4 2**2<br>0000000000000000 l .text.__register_atfork 0000000000000000 $x.3<br>0000000000000000 l .text.__unregister_atfork 0000000000000000 $x.4<br>...</div><div>libc.so<br>000000000000d144 g F .text 0000000000000004 __register_atfork<br><div><br></div></div><div>(Note the path in my CLI prompt.) So, linking with either one of those files will provide the symbol. Perhaps you are getting your libc.so from another place?</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jun 28, 2019 at 6:49 AM Carl Blake <<a href="mailto:carlb@williamsav.com">carlb@williamsav.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">I have an android app being compiled with gstreamer. When I use<br>
gstreamer 1.16.0 from the download I'm able to compile the app without<br>
any problems. When I attempt to use gstreamer compiled using cerbero<br>
(1.16.0) I get the following compilation error:<br>
<br>
Build command failed.<br>
Error while executing process /home/cdb/Android/Sdk/ndk-bundle/ndk-<br>
build with arguments {NDK_PROJECT_PATH=null<br>
APP_BUILD_SCRIPT=/home/cdb/WaveCAST_Receiver/app/jni/Android.mk<br>
NDK_APPLICATION_MK=/home/cdb/WaveCAST_Receiver/app/jni/Application.mk<br>
APP_ABI=x86_64 NDK_ALL_ABIS=x86_64 NDK_DEBUG=1 APP_PLATFORM=android-23<br>
NDK_OUT=/home/cdb/WaveCAST_Receiver/app/build/intermediates/ndkBuild/de<br>
bug/obj<br>
NDK_LIBS_OUT=/home/cdb/WaveCAST_Receiver/app/build/intermediates/ndkBui<br>
ld/debug/lib NDK_APPLICATION_MK=jni/Application.mk<br>
GSTREAMER_JAVA_SRC_DIR=src GSTREAMER_ROOT_ANDROID=/opt/gstreamer-1.0-<br>
android-universal-1.16.0-wav GSTREAMER_ASSETS_DIR=src/assets<br>
/home/cdb/WaveCAST_Receiver/app/build/intermediates/ndkBuild/debug/obj/<br>
local/x86_64/libgststart.so}<br>
[x86_64] Compile : gststart <= gststart.c<br>
[x86_64] Compile++ : gststart <= dummy.cpp<br>
GStreamer : [GEN] => gst-build-x86_64/gstreamer_android.c<br>
GStreamer : [COMPILE] => gst-build-x86_64/gstreamer_android.c<br>
GStreamer : [LINK] => gst-build-x86_64/libgstreamer_android.so<br>
<br>
/home/cdb/Android/Sdk/ndk-bundle/toolchains/llvm/prebuilt/linux-<br>
x86_64/sysroot/usr/lib/x86_64-linux-<br>
android/23/crtbegin_so.o:crtbegin_so.c:function pthread_atfork: error:<br>
undefined reference to '__register_atfork'<br>
clang++: error: linker command failed with exit code 1 (use -v to see<br>
invocation)<br>
make: *** [buildsharedlibrary_x86_64] Error 1<br>
<br>
I'm using android studio 3.3.1.<br>
<br>
Does anybody have any ideas why this might be happening?<br>
<br>
Carl<br>
<br>
<br>
_______________________________________________<br>
gstreamer-android mailing list<br>
<a href="mailto:gstreamer-android@lists.freedesktop.org" target="_blank">gstreamer-android@lists.freedesktop.org</a><br>
<a href="https://lists.freedesktop.org/mailman/listinfo/gstreamer-android" rel="noreferrer" target="_blank">https://lists.freedesktop.org/mailman/listinfo/gstreamer-android</a></blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><span style="color:rgb(0,158,224);font-family:Arial,Helvetica,sans-serif;font-size:12px">Andrew Esh </span><br style="color:rgb(0,158,224);font-family:Arial,Helvetica,sans-serif;font-size:12px"><span style="font-family:Arial,Helvetica,sans-serif;font-size:12px;color:rgb(153,153,153)">Senior Software Engineer</span><br style="color:rgb(0,158,224);font-family:Arial,Helvetica,sans-serif;font-size:12px"><span style="font-family:Arial,Helvetica,sans-serif;font-size:12px"><font color="#666666">Qterics</font></span><span style="color:rgb(0,158,224);font-family:Arial,Helvetica,sans-serif;font-size:12px"> </span><br style="color:rgb(0,158,224);font-family:Arial,Helvetica,sans-serif;font-size:12px"><span style="font-family:Arial,Helvetica,sans-serif;font-size:12px;color:rgb(153,153,153)">612-564-2580</span><br style="color:rgb(0,158,224);font-family:Arial,Helvetica,sans-serif;font-size:12px"><a href="http://www.qterics.com/" style="font-family:Arial,Helvetica,sans-serif;font-size:12px;color:rgb(0,158,224);text-decoration:none" target="_blank">www.qterics.com</a><a href="http://www.nielsen.com/" style="font-family:Arial,Helvetica,sans-serif;font-size:12px" target="_blank"><br></a><img src="https://test.supportview.com/images/qterics.png" width="96" height="24"><br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>