Automatically run 'git submodule update' if necessary
authorKeith Packard <keithp@keithp.com>
Fri, 13 May 2016 01:05:14 +0000 (18:05 -0700)
committerKeith Packard <keithp@keithp.com>
Fri, 13 May 2016 01:05:14 +0000 (18:05 -0700)
This makes sure pdclib exists by updating for the all and
all-recursive targets

Signed-off-by: Keith Packard <keithp@keithp.com>

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