Re: Android NDK - libobjc2

[Emmanuel Maillard]

Hi all,

I had submit a patch to fix _Unwind_Action more than two weeks ago, but still 
don't have any answers.
http://lists.gnu.org/archive/html/bug-gnustep/2013-02/msg00053.html

Cheers
Emmanuel

NB : I have a script and a set of patches to build libobjc2 and 
gnustep-base-1.24.0 for Android.

Le 8 mars 2013 à 22:39, Ivan Vučica <address@hidden> a écrit :

> Cheers everyone,
> 
> Latest Android NDK, r8d, includes clang 3.1, which happens to build 
> Objective-C out of the box. So I decided to spend some time trying to get 
> libobjc2, gnustep-make and gnustep-base to be built.  To ensure joy all 
> around the step-land, I've tried to document my merry adventures along the 
> way.
> 
> NDK, naturally, does not include a runtime. What runtime could I possibly 
> decide to try to build other than libobjc2? :-)
> 
> So far, I got CMake to not scream obscenities at me, and actually generate a 
> Makefile. No joy with actually compiling the beast.
> 
> David, would you mind taking a look? I'm attaching the script which:
> - fetches the Android SDK and the NDK, 
> - fetches GNUstep and libobjc2,
> - creates a standalone NDK (with a more traditional compiler folder layout),
> - creates CMake toolchain file for Android, and 
> - runs CMake in libobjc2's folder.
> 
> The script is not really a script; more of a documentation of what commands I 
> ran. Hopefully it's clear enough.
> 
> It documents my experiments on a vanilla Ubuntu Server 12.04 32-bit, but 
> (aside for a few apt-get installs) I see no reason it shouldn't work on any 
> Linux machine. (But since I did this on a cheap cloud VPS, I could share root 
> access to the machine, if you want to save some time.)
> 
> In addition to the script, I'm also attaching:
> - output of "make" with current libobjc2 trunk
> - an ugly patch that fixes Android's pthread incompatibility (by using 
> "portable" portion of code)
> - output of "make" after the patch is applied, which reveals problems with 
> "_Unwind_Action" apparently not being supported by clang 3.1.
> 
> PS: David, you said [1] you've built portions of GNUstep for webOS, and did 
> some work on getting the configure tests to pass. Have you recently tried 
> cross-compiling an elementary build of GNUstep -- just elementary features of 
> Make and Base, with as little external dependencies as possible? If so, can 
> you share a few details about that? Maybe it's reusable for Android as well.
> 
> [1]: http://lists.gnu.org/archive/html/discuss-gnustep/2011-09/msg00117.html
> <android-gnustep.sh><log.txt><lock.patch><log2.txt>
> --
> Ivan Vučica
> address@hidden - http://ivan.vucica.net/
> 
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