[LLVMdev] Can libc++ build for arm cross compiler?

[Logan Chien]

Hi cschen,

Did you run the following command before the apt-get install?

$ sudo apt-get update

Thanks.
Logan

On Fri, Oct 3, 2014 at 5:27 PM, gamma_chen <gamma_chen at yahoo.com.tw> wrote:

> Hi,
>
> I install Virtual Box on Linux and install debain on VB from web,
> https://www.debian.org/releases/wheezy/
> Attached file is the source.list I follow your README.md.
>
> Paste the error as follows,
> cschen at debian:~/test/libcxx-scripts$ sudo apt-get install binutils
> clang-3.5 cmake gcc make
> [sudo] password for cschen:
> Reading package lists... Done
> Building dependency tree
> Reading state information... Done
> E: Unable to locate package clang-3.5
> E: Couldn't find any package by regex 'clang-3.5'
>
> My debian version as follows,
> cschen at debian:~/test/libcxx-scripts$ cat /etc/issue
> Debian GNU/Linux 7 \n \l
>
> cschen at debian:~/test/libcxx-scripts$ cat /proc/version
> Linux version 3.2.0-4-amd64 (debian-kernel at lists.debian.org) (gcc version
> 4.6.3 (Debian 4.6.3-14) ) #1 SMP Debian 3.2.60-1+deb7u3
>
> I use Virtual Box to try it. Will it a problem with this?
>
> cschen
>
>
>
>   gamma_chen <gamma_chen at yahoo.com.tw> 於 2014/10/1 (週三) 5:36 AM 寫道﹕
>
>
> Logan and Richard,
>
> Thank your quick and kindly help. I am busy with something else today and
> will try these script tomorrow.
>
> Best regards
>
> cschen
>
>
>   Logan Chien <tzuhsiang.chien at gmail.com> 於 2014/10/1 (週三) 1:58 AM 寫道﹕
>
>
> Hi cschen,
>
> Here are the test scripts which I written when I was developing ARM
> exception handling support:
> https://github.com/loganchien/libcxx-scripts
>
> The script should work on Debian wheezy (cross-compiling from amd64 to
> armhf.)
>
> In general, here are the necessary steps:
> 1. Get a working arm-linux-gnueabihf gcc/g++ toolchain (for the headers
> and libraries)
> 2. Setup the include search path (e.g. /usr/arm-linux-gnueabihf/include)
> 3. Compile with correct compiler/linker flags (e.g. -target
> arm-linux-gnueabihf and some cmake tricks)
>
> Feel free to let me know if you have encountered any problem.
>
> Sincerely,
> Logan
>
> On Tue, Sep 30, 2014 at 5:22 PM, Richard Pennington <rich at pennware.com>
> wrote:
>
>  On 09/30/2014 02:37 AM, gamma_chen wrote:
>
>  The following web say the libc++abi is ready on arm.
> http://libcxxabi.llvm.org/spec.html
>
>  I try to build libc++ and libc++abi for host x86_64(linux) and target
> arm(linux) but fail.
> I have read the web http://llvm.org/docs/HowToCrossCompileLLVM.html
>
>  Does anyone know whether it's available for my need? If you know how to
> build, what is the build options you use?
>
>  I use libc++ and libc++abi (as well as compiler-rt) for the ELLCC cross
> compilation tool chain project (http://ellcc.org). I use makefiles to
> build the libc++ stuff, which are pretty dependent on being used in an
> ELLCC environment. You can get pre built binaries from ftp://ellcc.org/pub.
> The tarballs contain pre built libraries for ARM (as well as Mips, x86,
> PowerPC, and semi-functional Microblaze).
>
> -Rich
>
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