Experimental Physics and
Industrial Control System

Peter Milne via Tech-talk <tech-talk at aps.anl.gov> · Fri, 22 May 2020 09:23:01 +0100

Hello Techtalk

We have a requirement to run pvaPy on a linux-arm system.
The ARM system is configured to provide a full EPICS7, Boost lib.

Following
https://github.com/epics-base/pvaPy/blob/master/README.md

Custom Build:

Seems to build fine for EPICS_HOST_ARCH=linux-x86_64

It's also putting in hooks for linux-arm:
ls ./src/pvaccess/O.linux-arm
Makefile

But that's it, no *.o, no pvaccess.so

### eg
pgm@staffa3 pvaPy]$ make
make -C ./configure install
....
make -C ./pvaccess install
make[2]: Entering directory '/home/pgm/PROJECTS/EPICS/pvaPy/src/pvaccess'
pgm TOP ../.. T_A
perl -CSD /usr/local/epics/base/bin/linux-x86_64/makeMakefile.pl O.linux-x86_64 ../../..
perl -CSD /usr/local/epics/base/bin/linux-x86_64/makeMakefile.pl O.linux-arm ../../..
mkdir -p O.Common
make -C O.linux-x86_64 -f ../Makefile TOP=../../.. \
    T_A=linux-x86_64 install
make[3]: Entering directory '/home/pgm/PROJECTS/EPICS/pvaPy/src/pvaccess/O.linux-x86_64'
pgm TOP ../../.. T_A linux-x86_64
/usr/bin/g++  -D_GNU_SOURCE -D_DEFAULT_SOURCE           -D_X86_64_  -DUNIX  -Dlinux     -O3   -Wall     -DPVA_API_VERSION=482 -DPVA_RPC_API_VERSION=482 -DHAVE_BOOST_NUM_PY=0 -DHAVE_BOOST_PYTHON_NUM_PY=1 -I/usr/include -I/usr/include/python3.7m  -mtune=generic      -m64 -fPIC -I. -I../O.Common -I. -I. -I.. -I../../../include/compiler/gcc -I../../../include/os/Linux -I../../../include -I/usr/local/epics/base/include/compiler/gcc -I/usr/local/epics/base/include/os/Linux -I/usr/local/epics/base/include        -MM -MF PyPvRecord.d  ../PyPvRecord.cpp

#### x86_64 builds all objects, but:

make[3]: Leaving directory '/home/pgm/PROJECTS/EPICS/pvaPy/src/pvaccess/O.linux-x86_64'
make -C O.linux-arm -f ../Makefile TOP=../../.. \
    T_A=linux-arm install
make[3]: Entering directory '/home/pgm/PROJECTS/EPICS/pvaPy/src/pvaccess/O.linux-arm'
pgm TOP ../../.. T_A linux-arm
make[3]: Nothing to be done for 'install'.
make[3]: Leaving directory '/home/pgm/PROJECTS/EPICS/pvaPy/src/pvaccess/O.linux-arm'
make[2]: Leaving directory '/home/pgm/PROJECTS/EPICS/pvaPy/src/pvaccess'
make[1]: Leaving directory '/home/pgm/PROJECTS/EPICS/pvaPy/src'

.... does nothing..

Is there any way to enable a cross-compile?
I don't see any PROD_HOST entries that could be changed to PROD, for example.

Thanks

Peter

--
Peter Milne
Director of Sales
www.d-tacq.com

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System