Experimental Physics and
Industrial Control System

Hej Thomas,

out of interest (for ADS drivers):
Which devices do you want to control ?
Is the source code somewhere, so that we can have a look ?

And in case that someone wants to know:
there is the driver from Anders, found here:
<https://bitbucket.org/europeanspallationsource/m-epics-twincat-ads/src/master/>

BR
/Torsten


On 22/05/19 20:44, Thomas, Patrick via Tech-talk wrote:

Hi,

I was wondering if someone might be able to help me track down the source of these linking errors when compiling an IOC with custom device support. I am using EPICS base 3.14.12.8 and Microsoft Visual Studio Community 2017 on Windows 10 Enterprise 64 bit.

link -nologo   -incremental:no -opt:ref -release  -MACHINE:X64              -out:ads.exe        ads_registerRecordDeviceDriver.obj adsMain.obj     ..\\..\\..\\lib\\windows-x64-static\\adsSupport.lib  C:\\Users\\patrick.thomas\\Desktop\\epics\\base-3.14.12.8\\lib\\windows-x64-static\\recIoc.lib  C:\\Users\\patrick.thomas\\Desktop\\epics\\base-3.14.12.8\\lib\\windows-x64-static\\softDevIoc.lib  C:\\Users\\patrick.thomas\\Desktop\\epics\\base-3.14.12.8\\lib\\windows-x64-static\\miscIoc.lib  C:\\Users\\patrick.thomas\\Desktop\\epics\\base-3.14.12.8\\lib\\windows-x64-static\\rsrvIoc.lib  C:\\Users\\patrick.thomas\\Desktop\\epics\\base-3.14.12.8\\lib\\windows-x64-static\\dbtoolsIoc.lib  C:\\Users\\patrick.thomas\\Desktop\\epics\\base-3.14.12.8\\lib\\windows-x64-static\\asIoc.lib  C:\\Users\\patrick.thomas\\Desktop\\epics\\base-3.14.12.8\\lib\\windows-x64-static\\dbIoc.lib  C:\\Users\\patrick.thomas\\Desktop\\epics\\base-3.14.12.8\\lib\\windows-x64-static\\registryIoc.lib  C:\\Users\\patrick.thomas\\Desktop\\epics\\base-3.14.12.8\\lib\\windows-x64-static\\dbStaticIoc.lib  C:\\Users\\patrick.thomas\\Desktop\\epics\\base-3.14.12.8\\lib\\windows-x64-static\\ca.lib  C:\\Users\\patrick.thomas\\Desktop\\epics\\base-3.14.12.8\\lib\\windows-x64-static\\Com.lib   ws2_32.lib advapi32.lib user32.lib kernel32.lib winmm.lib
ads_registerRecordDeviceDriver.obj : error LNK2019: unresolved external symbol pvar_dset_ai_DevSet referenced in function "void __cdecl `dynamic initializer for 'devsl''(void)" (??__Edevsl@@YAXXZ)
ads_registerRecordDeviceDriver.obj : error LNK2019: unresolved external symbol pvar_dset_ao_DevSet referenced in function "void __cdecl `dynamic initializer for 'devsl''(void)" (??__Edevsl@@YAXXZ)
ads_registerRecordDeviceDriver.obj : error LNK2019: unresolved external symbol pvar_dset_bi_DevSet referenced in function "void __cdecl `dynamic initializer for 'devsl''(void)" (??__Edevsl@@YAXXZ)
ads_registerRecordDeviceDriver.obj : error LNK2019: unresolved external symbol pvar_dset_bo_DevSet referenced in function "void __cdecl `dynamic initializer for 'devsl''(void)" (??__Edevsl@@YAXXZ)
ads_registerRecordDeviceDriver.obj : error LNK2019: unresolved external symbol pvar_dset_longin_DevSet referenced in function "void __cdecl `dynamic initializer for 'devsl''(void)" (??__Edevsl@@YAXXZ)
ads_registerRecordDeviceDriver.obj : error LNK2019: unresolved external symbol pvar_dset_longout_DevSet referenced in function "void __cdecl `dynamic initializer for 'devsl''(void)" (??__Edevsl@@YAXXZ)
ads_registerRecordDeviceDriver.obj : error LNK2019: unresolved external symbol pvar_dset_mbbi_DevSet referenced in function "void __cdecl `dynamic initializer for 'devsl''(void)" (??__Edevsl@@YAXXZ)
ads_registerRecordDeviceDriver.obj : error LNK2019: unresolved external symbol pvar_dset_mbbo_DevSet referenced in function "void __cdecl `dynamic initializer for 'devsl''(void)" (??__Edevsl@@YAXXZ)
ads_registerRecordDeviceDriver.obj : error LNK2019: unresolved external symbol pvar_dset_stringin_DevSet referenced in function "void __cdecl `dynamic initializer for 'devsl''(void)" (??__Edevsl@@YAXXZ)
ads_registerRecordDeviceDriver.obj : error LNK2019: unresolved external symbol pvar_dset_stringout_DevSet referenced in function "void __cdecl `dynamic initializer for 'devsl''(void)" (??__Edevsl@@YAXXZ)
ads_registerRecordDeviceDriver.obj : error LNK2019: unresolved external symbol pvar_func_devADSRegistrar referenced in function ads_registerRecordDeviceDriver
ads_registerRecordDeviceDriver.obj : error LNK2019: unresolved external symbol pvar_func_initTraceRegister referenced in function ads_registerRecordDeviceDriver
ads.exe : fatal error LNK1120: 12 unresolved externals
gmake[3]: *** [C:/Users/patrick.thomas/Desktop/epics/base-3.14.12.8/configure/RULES_BUILD:191: ads.exe] Error 1120
gmake[3]: Leaving directory 'C:/Users/patrick.thomas/Desktop/ads/adsApp/src/O.windows-x64-static'
gmake[2]: *** [C:/Users/patrick.thomas/Desktop/epics/base-3.14.12.8/configure/RULES_ARCHS:61: install.windows-x64-static] Error 2
gmake[2]: Leaving directory 'C:/Users/patrick.thomas/Desktop/ads/adsApp/src'
gmake[1]: *** [C:/Users/patrick.thomas/Desktop/epics/base-3.14.12.8/configure/RULES_DIRS:83: src.install] Error 2
gmake[1]: Leaving directory 'C:/Users/patrick.thomas/Desktop/ads/adsApp'
gmake: *** [C:/Users/patrick.thomas/Desktop/epics/base-3.14.12.8/configure/RULES_DIRS:83: adsApp.install] Error 2

Makefile:

TOP=../..

include $(TOP)/configure/CONFIG
#----------------------------------------
#  ADD MACRO DEFINITIONS AFTER THIS LINE
#=============================

#=============================
# Build the IOC support library

LIBRARY_IOC += adsSupport


# Install devXxxSoft.dbd into <top>/dbd
#DBD += xxxSupport.dbd
DBD += adsSupport.dbd

# Compile and add the code to the support library
adsSupport_SRCS += devADS.cpp

# Link locally-provided code into the support library,
# rather than directly into the IOC application.

USR_CPPFLAGS += /std:c++latest

TcAdsDll_DIR += C:\TwinCAT\AdsApi\TcAdsDll\x64\lib
adsSupport_LIBS += TcAdsDll

adsSupport_LIBS += $(EPICS_BASE_IOC_LIBS)

#=============================
# Build the IOC application

PROD_IOC = ads
# ads.dbd will be created and installed
DBD += ads.dbd

# ads.dbd will be made up from these files:
ads_DBD += base.dbd

# Include dbd files from all support applications:
#ads_DBD += xxx.dbd
ads_DBD += adsSupport.dbd

# Add all the support libraries needed by this IOC
#ads_LIBS += xxx
ads_LIBS += adsSupport

# ads_registerRecordDeviceDriver.cpp derives from ads.dbd
ads_SRCS += ads_registerRecordDeviceDriver.cpp

# Build the main IOC entry point on workstation OSs.
ads_SRCS_DEFAULT += adsMain.cpp
ads_SRCS_vxWorks += -nil-

# Add support from base/src/vxWorks if needed
#ads_OBJS_vxWorks += $(EPICS_BASE_BIN)/vxComLibrary

# Finally link to the EPICS Base libraries
ads_LIBS += $(EPICS_BASE_IOC_LIBS)

#===========================

include $(TOP)/configure/RULES
#----------------------------------------
#  ADD RULES AFTER THIS LINE


Thank you,
Patrick

References:

registerRecordDeviceDriver.obj unresolved external symbols Thomas, Patrick via Tech-talk

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