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Re: [Discuss-gnuradio] New version of swig

From: Michael Dickens
Subject: Re: [Discuss-gnuradio] New version of swig
Date: Sun, 1 Feb 2009 12:49:03 -0500

On Feb 1, 2009, at 8:22 AM, Philip Balister wrote:
"SWIG-1.3.38 has been released. It contains an output directory
regression fix and other minor bug fixes."

I have a memory of someone having an issue with swig recently, was it
with gnuradio?

Your memory is correct, and, yes, the issue was with how SWIG 1.3.37 behaved w/r.t. GNU Radio: in 1.3.36, the default output directory for all created files was the same as that the argument to the "-o" output file specifier option. In 1.3.37, the default output directory was changed for the .py output file to be the directory of the input .i file ... which creates an error when doing 'make distcheck' because the directory of the input .i file is not writable. Adding in the flag "-outdir $(builddir)" fixes the issue all the way back to around SWIG version 1.3.20, and should be forwards API compatible as well. There is a GNU Radio branch which corrects the behavior to make it the same with 1.3.36 and 1.3.37 (by adding "-outdir $(builddir)") -- which is still in testing -- but 1.3.38 should have corrected this issue for those who are or will be using it. - MLD

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