[PD-dev] Configure error while compiling Pd-vanilla on 10.6

[nicolas.danet at free.fr]

Hi, 

Trying to compile Pd-vanilla on Mac OS X 10.6.8 (from the SourceForge master branch) i get an error in the configure process.

./autogen.sh
./configure

...

=== configuring in portaudio (/Users/nicolas/temp/pd/portaudio)
configure: running /bin/sh ./configure '--prefix=/usr/local'  --cache-file=/dev/null --srcdir=.
configure: error: cannot run /bin/sh ./config.sub
configure: error: ./configure failed for portaudio

...

It seems related to missing config.sub file but i have no idea how to fix it for now. Thanks for any help. 

I join complete outputs attached. 
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