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Re: [Discuss-gnuradio] Cross compile for ARM with GCC 4.9

From: Cinaed Simson
Subject: Re: [Discuss-gnuradio] Cross compile for ARM with GCC 4.9
Date: Sat, 25 Feb 2017 17:48:19 -0800
User-agent: Mozilla/5.0 (X11; Linux i686; rv:45.0) Gecko/20100101 Thunderbird/45.7.1

On 02/25/2017 07:56 AM, Bradley Conn (RIT Student) wrote:
> Hello,
> I am trying to add Gnu Radio as a static library to a Xilinx SDSoC
> project. SDSoC uses a special compiler and linker which is based off of
> gcc 4.9. The issue is  when it goes to link there are a bunch of errors
> like this
> /
> /
> /undefined reference to `std::__cxx11:: /.../
> /
> /
> /
> because when I cross compiled GnuRadio it used gcc 5.2 which includes
> the __cxx11 namespace to be more compatible with the c++ 11 standard. I
> was wondering if there was a way to compile the library (and its
> dependencies) with gcc 4.9. Or possibly some other workaround anyone
> knew about?

Possible work around:

1) build the gcc 4.9 cross compiler from source on your machine - see


2) use a VM and install Debian Jessie 8 which uses gcc-4.9. I presume
you're using Ubuntu - which is a fork of Debian - and very similar to

> When I compiled I used the openembedded environments provided here.
> http://gnuradio.org/data/sdk/

When I went to this URL it indicated there were no matching records found.

> Thank you!
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

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