STL porting

[Vanraj]

Hello Everyone ,

My native code depends on STL lib which is not avaialble as of now i
think. So is there any other way to make it work native code which is
using STL Lib.

Is there any plan in Android to have STL lib ??

Thanks.
Vanraj

[Eric Chen]

It heard someone porting the STL to Android , I think you can find it at this group.


Best Regards

Eric Chen

[Richard Zhao]

I ever sent out a stl port patch for android. You can google for it.

Thanks
Richard

[Yongchao Lao]

I've tried, but find nothing. 

Can you please post the url here? Thank you very much. 

 

Thanks
Richard

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[Vytautas Šaltenis]

On Jan 26, 2010, at 4:34 AM, Yongchao Lao wrote:
> I've tried, but find nothing.
>
> Can you please post the url here? Thank you very much.

That's not the URL you were asking for, but I'm using advice from this
guy:
http://sseyod.blogspot.com/2009/08/android-ndk-getting-stlport-up-and.html
So far, works like a charm.

[Yongchao Lao]

2010/1/26 Vytautas Šaltenis <vyta...@unity3d.com>

Thanks. I also found this, http://zenthought.org/content/file/ustl-1-2-android-port

 

and worked. have to make some change ( path and cflags ) to compiled under NDK.

 

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[Martins Mozeiko]

I needed STL & RTTI support for building LLVM under Android.
So I rebuilt gcc toolchain for Android with libstd++ and RTTI support.
Get it here: http://www.box.net/shared/vvppcf7g4y
Use it instead of android-ndk-1.6_r1-windows.zip file. It is based on same version.
Add also -lstdc++ to your LOCAL_LDLIBS in Android.mk file.

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>

[Dmitry Moskalchuk]

Hi Martins,

It's very interesting, I'll try that. Are you have only windows version
of toolkit? I'm interesting in Linux and MacOSX versions too. Maybe you
will share your knowledge what to do to build the same toolchain from
sources?

Dmitry Moskalchuk

26.01.2010 18:52, Martins Mozeiko пишет:
> I needed STL& RTTI support for building LLVM under Android.

[Martins Mozeiko]

Well, I did that on cygwin. Its definitely possible also in linux or macox.
What I did was - I run build\tools\build-toolchain.sh script. I waited for it to download and unpack android-ndk-toolcainh-20090323.tar.bz2 file.
Then I edited gcc-4.2.1\gcc\config\arm\eabi.h file. In it I changed:
#define ANDROID_CC1PLUS_SPEC "%{!frtti:-fno-rtti}"
to
#define ANDROID_CC1PLUS_SPEC ""
This enabled RTTI support

Also I removed "%{!fexceptions:-fno-exceptions} " \ string from it.
This enabled C++ exception suppor

Then I added --enable-libstc__-v3 to build\tools\build-toolchain.sh script to $TOOLCHAIN_SRC/configure line (around line 373).
THis enabled STL support.

Then I commented out downloading/unpacking sources (download_package and unpack_package lines around line 353).
After that I edited build\toolchains\arm-eabi-4.2.1\setup.mk file. From it I removed -fno-exceptions and -fno-rtti

Then I run build-toolchain.sh script again.
There was some errors about redeclaration functions but those I solved by simply commenting out second function declaration in gcc sources.

After that I got tar.bz2 file with working android ndk with RTTI, exception and STL support. I unpacked it into build\prebuild directory after removing what was inside it.

Before using it you will need to remove files new/typeinfo/utility from platforms\android-3/4/common/include directory. They now are provided with STL.
You can always add -fno-exceptions and -fno-rtti flags to LOCAL_CFLAGS to get executable build without rtti/exceptions.

Maybe I have forgotten something small details. But I think that covers main things I did.

--
Martins Mozeiko

[Dmitry Moskalchuk]

Thank you very much, Martins! I'll try that soon and inform if it
would help. One more question - did you tested result using gcc unit
tests or something other?

Dmitry Moskalchuk

27.01.2010, в 16:00, Martins Mozeiko написал(а):

[Martins Mozeiko]

No, I have not run any gcc unit tests.
But I have used this custom build gcc to compile and successfully run LLVM on Android (in Interpreter mode).
It uses dynamic_cast and some parts of STL in it.

--
Martins Mozeiko

On Jan 27, 2010, at 13:39 , Dmitry Moskalchuk wrote:

> Thank you very much, Martins! I'll try that soon and inform if it would help. One more question - did you tested result using gcc unit tests or something other?
>
>
> Dmitry Moskalchuk
>
> 27.01.2010, в 16:00, Martins Mozeiko написал(а):
>
>> Well, I did that on cygwin. Its definitely possible also in linux or macox.

>> What I did was - I run build\tools\build-toolchain.sh script. I waited for it to download and unpack android-ndk-toolcainh-20090323.tar.bz2 file.

[Dmitry Moskalchuk]

Hi Martins,

Just want to inform that I've successfully created customized ndk for
linux and darwin using your instructions. See my post to details -
http://groups.google.com/group/android-ndk/msg/4de3dd6105eb26ce

Dmitry Moskalchuk

27.01.2010 17:04, Martins Mozeiko пишет:

[ganesh srinivasan]

Hi Dmitry,

I was able to build the customized sdk based on Martins instructions.
But I don't see the STL header files in the customized sdk.

In your customized sdk, I see that the STL headers are residing
under ...\arm-eabi\include\c++. How did you get the include files?
Do I need to enable some other setting in the build process.

Regards,
Ganesh

On Jan 28, 5:06 pm, Dmitry Moskalchuk <crys...@gmail.com> wrote:
> Hi Martins,
>
> Just want to inform that I've successfully created customized ndk for

> linux and darwin using your instructions. See my post to details -http://groups.google.com/group/android-ndk/msg/4de3dd6105eb26ce

> >>>>>>http://sseyod.blogspot.com/2009/08/android-ndk-getting-stlport-up-and...

[Dmitry Moskalchuk]

Hi,

Did you have specified '--enable-libstdc__-v3' parameter for configure
in build-toolchain.sh? I've created diff which need to be applied to
android-ndk-1.6_r1 and then all you need is to run (patched)
build-toolchain.sh. That's all. No additional steps required.
See diff here - http://www.crystax.net/data/android-ndk-1.6_r1-crystax.diff

Dmitry Moskalchuk

[ganesh srinivasan]

Hi,

Martins email has a d missing in "--enable-libstdc__-v3", so I guess I
never ran it with the correct settings in build-toolchain.sh.
I realized my mistake after looking at your diff file.

Thanks a lot for your response.

Regards,
Ganesh

On Feb 11, 6:42 pm, Dmitry Moskalchuk <crys...@gmail.com> wrote:
> Hi,
>
> Did you have specified '--enable-libstdc__-v3' parameter for configure
> in build-toolchain.sh? I've created diff which need to be applied to
> android-ndk-1.6_r1 and then all you need is to run (patched)
> build-toolchain.sh. That's all. No additional steps required.

> See diff here -http://www.crystax.net/data/android-ndk-1.6_r1-crystax.diff