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Fwd: [ANN] FreeBSD now has Ada cross-compilers for ARM/Android

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Vadim Godunko
Fwd: [ANN] FreeBSD now has Ada cross-compilers for ARM/Android
2011-07-24 13:34:44

 

 

-------- Original Message --------

Subject: [ANN] FreeBSD now has Ada cross-compilers for ARM/Android

Date: Sat, 23 Jul 2011 14:17:31 -0700 (PDT)

From: jrmarino <dragonlace.cla@...>

Organization: http://groups.google.com

Newsgroups: comp.lang.ada

 

Way back in January I proved it was possible to run binaries on

Android that were written in Ada and compiled with GNAT-AUX (FSF

variant). Since then, I haven't done much because all I had was the

Android SDK emulator which is very slow, very limited, and only

supports the ARMv5 architecture. I was waiting to obtain real

hardware to continue, and that is still probably a few weeks away. I

wanted to run the full ACATS and gnat-dg tests on the cross-compiler

to characterize how true it is.

 

However, a few days ago, I picked it back up and built "Textris" on

it, and discovered a small problem with tasking. That has since been

resolved, and I wrote a little blog article on it:

http://www.dragonlace.net/posts/FreeBSD64-Android_cross-compiler_builds_Tetris_with_Tasking/

 

This weekend, I wrote four "ports" for FreeBSD. This allows any

FreeBSD user (i386 or amd64) to build their own Ada cross-compiler

(ARMv5 or ARMv7). Another blog article explains how to do it:

http://www.dragonlace.net/posts/GNATDroid_cross-compiler_ports_created_for_FreeBSD/

 

It would be a nice project for someone to blaze the trail on writing

Native Android phone/table applications without any Java. This is

possible from Android 2.3 onwards using the "NativeActivity"

functionality provided with the Android Native Development Kit (NDK).

The API require C bindings, but it shouldn't be too difficult.

http://developer.android.com/reference/android/app/NativeActivity.html

 

As for getting these binaries on the device itself, it appears that

the http://bsdroid.org project has unfortunately stalled, so if the

use of "adb" is needed, you might have to resort to using Linux, Mac,

or Windows and installing the Android SDK on them. A better way may

to root the device and put an ssh daemon on it and just scp the files

directly on it.

 

Once I run these compilers through the testsuite and am satisfied with

the outcome, I'll submit these ports for inclusing into the FreeBSD

ports repository. It would be great to see some folks build on my

work here, and I apologize for sitting on this for 6 months.

 

Regards,

John

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