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<== Date ==> <== Thread ==>
Subject: Re: Galil device support - static build
From: "Mooney, Tim M. via Tech-talk" <tech-talk at aps.anl.gov>
To: "tech-talk at aps.anl.gov" <tech-talk at aps.anl.gov>, John Dobbins <john.dobbins at cornell.edu>
Date: Mon, 13 Apr 2020 16:03:32 +0000
We found that a systematic way to avoid link problems like this is to list them in opposing order: 
$(DBD_NAME)_DBD += stdSupport.dbd
$(PROD_NAME)_LIBS := std $($(PROD_NAME)_LIBS)
For DBD files, a name must be defined before it is referenced.  For LIB files, a name must be referenced before the library containing it is searched.


Tim Mooney (mooney at anl.gov) (630)252-5417
Beamline Controls Group (www.aps.anl.gov)
Advanced Photon Source, Argonne National Lab

From: Tech-talk <tech-talk-bounces at aps.anl.gov> on behalf of John Dobbins via Tech-talk <tech-talk at aps.anl.gov>
Sent: Monday, April 13, 2020 9:31 AM
To: tech-talk at aps.anl.gov <tech-talk at aps.anl.gov>
Subject: Galil device support - static build
 

All,


Doing a static build of Galil 3-6 device support I ran into the problem described below. Solved by changing order of libraries.


John Dobbins





For static build of Galil 3-6


In galil/3-6/GalilTestApp/src


I changed Makefile from 


GalilTest_LIBS += asyn motor calc sscan autosave busy

GalilTest_LIBS += GalilSupport

GalilTest_LIBS += $(EPICS_BASE_IOC_LIBS)


to


GalilTest_LIBS += GalilSupport

GalilTest_LIBS += asyn motor calc sscan autosave busy

GalilTest_LIBS += $(EPICS_BASE_IOC_LIBS)



because of link error:


/usr/bin/g++ -o GalilTest -Wl,-Bstatic -L/nfs/chess/user/jad22/epics/support/galil/3-6/lib/linux-x86_64 -L/nfs/chess/epics/release/base/base-7.0.2/lib/linux-x86_64 -L/nfs/chess/epics/release/synApps_6_1/support/asyn-R4-38/lib/linux-x86_64 -L/nfs/chess/epics/release/synApps_6_1/support/autosave-R5-10/lib/linux-x86_64 -L/nfs/chess/epics/release/synApps_6_1/support/busy-R1-7-2/lib/linux-x86_64 -L/nfs/chess/epics/release/synApps_6_1/support/calc-R3-7-3/lib/linux-x86_64 -L/nfs/chess/epics/release/synApps_6_1/support/motor-R7-1/lib/linux-x86_64 -L/nfs/chess/epics/release/synApps_6_1/support/sscan-R2-11-3/lib/linux-x86_64            -rdynamic -m64 GalilTest_registerRecordDeviceDriver.o GalilTestMain.o -lasyn -lmotor -lcalc -lsscan -lautosave -lbusy -lGalilSupport -ldbRecStd -ldbCore -lca -lCom -Wl,-Bdynamic -lpthread -lreadline -lm -lrt -ldl -lgcc

/nfs/chess/user/jad22/epics/support/galil/3-6/lib/linux-x86_64/libGalilSupport.a(GalilController.o): In function `GalilCreateAxis':

/nfs/chess/user/jad22/epics/support/galil/3-6/GalilSup/src/O.linux-x86_64/../GalilController.cpp:7242: undefined reference to `findAsynPortDriver(char const*)'


[When you specify multiple inter-dependent static libraries via -l flag  dependents must go first, then their dependencies.]
Replies:
Re: Galil device support - static build Ben Franksen via Tech-talk
References:
Galil device support - static build John Dobbins via Tech-talk
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