Hey Joe,
after I refused for many hours because I thought I need to find another
way I actually tried running your script and what should I say... It
actually compiles!
Yet there are some other problems with my own scripts and the NDK
therefore I cant make a real test with all my files and some test
communication but my files dont throw any incompatible error anymore.
Could you probably explain why you used the sodium library and if i need
to consider this library in any form while linking? Yet I just replaced
my own static library with the one i compiled with your script and I
replaced the include directory (Actually the whole directory is there
but I'm not mentioning it in my makefiles). It seem to work.
I thank you very much for your script and I hope someone in the future
will be able to solve his problems with our conversation.
With regards,
Matthias
Am 06.03.2015 um 19:40 schrieb Joe McIlvain:
Matthias,
Unfortunately, I don't remember the details of the problems I was
having with the Android.mk - based build, but I ended up deciding it
was a better idea (and more compatible with the way Qt apps build) to
use a bash script that simply invokes an autotools-based build with
the right flags rather than trying to duplicate all the relevant
information from the autoconf/automake scripts into the Android.mk script.
Again, you should be able to run the builds/qt-android scripts without
needing any Qt-related tools - it's just an android build system
designed to be *compatible* with a Qt app, rather than a build system
that is actually coupled to the Qt build systems. So I'd be curious
what the result would be if you tried to use that build system instead.
On Fri, Mar 6, 2015 at 10:25 AM, Matthias Brzezinski
<[email protected] <mailto:[email protected]>> wrote:
Hey Joe,
thank you for your answer.
I've looked through your script and it helped me verifying that I
did not miss a flag, a step or something i was not considering yet.
Generally it doesn't matter if I compile a static or a shared
library - The NDK uses its own linker to link the prebuilt libraries.
Am 06.03.2015 um 18:17 schrieb Joe McIlvain:
Matthias,
I don't usually compile them as static, but you may be able to
get some ideas/help from using or looking at the scripts I added
under `builds/qt-android`of the zeromq repository. I use these
to compile for use with Qt on android, but there's nothing really
Qt-specific about them. I only added them because the android
scripts didn't work for me. They didn't seem to be
The syntax for the android makefiles are a bit different, but I
used the same flags as far I can see. Hence, I never worked with
qt before.
What exactly didn't work with the android scripts? Did you have
problems getting the NDK to work generally, or just the NDK in
combination with ZeroMQ? I hope for the first, because it would be
a mess if I wouldn't find a way to use ZeroMQ with native code and
the NDK where for example the protobuf library compiled on the
first try.
With regards,
Matthias
maintained, but I didn't want to clobber something that someone
out there might be relying on.
I don't know a lot about the android toolchain because working
with Qt hides a lot of the platform-specific stuff from me, but I
learned just enough about the toolchain to make those scripts
work and get them into the CI for the repository.
On Fri, Mar 6, 2015 at 6:30 AM, Matthias Brzezinski
<[email protected] <mailto:[email protected]>>
wrote:
Hey,
I'm having issues linking ZeroMQ into my shared library for
Android.
I followed the steps on http://zeromq.org/build:android to
build the static library. I tried it with the recommended
NDKr8 but also tried it with the NDK10d. I've build the
static library for arm with the official ndk-toolchain.
Afterwards I try to link thoose libraries into my shared
library to compile a bunch of cpp files.
I've successfully compiled and linked different static
libraries into my projects so I'm pretty confused why the
linker throws the Error when I work with ZeroMQ. I've omitted
the other working libraries.
My Android.mk:
http://pastebin.com/N7gueqre
My Application.mk:
http://pastebin.com/nNgCYM2F
In both code blocks I've ommited everything that is not
necessary for solving this issue. The error message stays the
same. I've tried to build the shared library under windows
and later under debian and ubuntu. The error message is:
/tmp/android-ndk-r10d/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.9/../../../../arm-linux-androideabi/bin/ld:
error: ./zmq/lib /libzmq.a(libzmq_la-zmq.o): incompatible target
collect2: error: ld returned 1 exit status
make: *** [obj/local/armeabi/libzmqTest.so] Error 1
(I guess 3 lines are not worth a pastebin)
I'm working on Windows 8.1 with Android Studio 1.1. I've
compiled the libraries under Linux Mint 16, a up-to-date
ubuntu system and an old debian server.
I build zeromq3-x and zeromq4-x.
Any idea is welcome and appreciated.
If this is not the right place to ask such a question, please
tell me where to ask it instead.
With regards,
Matthias
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