Compiler error on Debian Stretch arm

[Florian Feldbauer <florian@ep1.ruhr-uni-bochum.de>]

Hey all,

just in case this is a bug in base 3.16.1: I was trying to build an IOC
directly on my BeagleBone Black. I'm using the latest Debian Stretch
image (gcc6.3.0).

Building EPICS base and CALC-Module worked without any problems. But
building the IOC (with some custom device support) I got the following
error:

> /usr/bin/gcc  -D_GNU_SOURCE -D_DEFAULT_SOURCE            -DUNIX  -Dlinux     -O3 -g   -Wall            -I. -I../O.Common -I. -I. -I.. -I../../../include/compiler/gcc -I../../../include/os/Linux -I../../../include      -I/opt/epics/modules/calc/include -I/opt/epics/base/include/compiler/gcc -I/opt/epics/base/include/os/Linux -I/opt/epics/base/include     -I/home/debian/isegHAL    -c ../devIsegHalAsync.c
> In file included from ../devIsegHalAsync.c:37:0:
> /opt/epics/base/include/dbLock.h:33:40: error: unknown type name ‘size_t’
>                                        size_t nrecs,
>                                        ^~~~~~

I was able to fix this error by adding "#include <stddef.h> in
base/include/dbLock.h

Best regards,

Florian

-- 
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| Dr. Florian Feldbauer                |
|                                      |
| Ruhr-Universität Bochum              |
| Experimentalphysik I AG              |
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