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Subject: Re: DSO missing from command line Error in Ubuntu 16.04 LTS
From: "Johnson, Andrew N." <anj@aps.anl.gov>
To: Shantonu Sahoo <ssahoo@vecc.gov.in>
Cc: Anindya Roy <r_ani@vecc.gov.in>, EPICS Tech-Talk <tech-talk@aps.anl.gov>
Date: Tue, 10 Jan 2017 18:07:43 +0000
I would start by fixing the first error message you’re getting, which after this command line:
 
> make[3]: Entering directory '/home/epics/base-3.15.5/asyn4-30/tcpscc/tcpsccApp/src/O.linux-x86'
> /usr/bin/g++ -o tcpscc  -L/home/epics/base-3.15.5/asyn4-30/tcpscc/lib/linux-x86 -Wl,-rpath,/home/epics/base-3.15.5/asyn4-30/tcpscc/lib/linux-x86           -rdynamic -m32            tcpscc_registerRecordDeviceDriver.o tcpsccMain.o    -ldevtcpscc -lasyn   

is this error:

> /usr/bin/ld: tcpscc_registerRecordDeviceDriver.o: undefined reference to symbol 'iocshRegisterCommon’

Looking at the list of libraries included on the g++ command-line I think your Makefile is missing a line like

tcpscc_LIBS += $(EPICS_BASE_IOC_LIBS)

- Andrew



References:
DSO missing from command line Error in Ubuntu 16.04 LTS Shantonu Sahoo

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