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Re: [Discuss-gnuradio] Older Linux Kernel Compatibility?

From: Michael Dickens
Subject: Re: [Discuss-gnuradio] Older Linux Kernel Compatibility?
Date: Mon, 29 Jan 2007 10:05:01 -0500

On Jan 27, 2007, at 3:49 PM, Eric Blossom wrote:
How much memeory does the embedded system have?
Does it have swap?

The virtual size of g++ when compiling the swig generated code is on
the order of 350 - 400MB for the x86 architecture.  I don't expect
it's much different for ARM.

Ah! DRAM / swap is probably the issue. I'm working on a TS-7300 from EmbeddedArm < http://www.embeddedarm.com/epc/ts7300-spec-h.htm >; our boards have the 128 MB of SDRAM - which is too small for direct compilation of the SWIG code w/o a swap space. The compilation I did was without swap space.

THe best alternative is probably getting a XC environment up and running - e.g. OpenEmbedded, ScratchBox, buildroot, or just plain old Crosstools. From what I hear on other lists, the first is generally considered "the best" (I have no experience with any of them).

I also remember OE flying around on this list a while back. Did anyone successfully get GNU Radio compiling in OE? There was some talk about FFTW not being available or something ... was that the primary issue? - MLD

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