Re: 'make' command explainer

Hi Stefan,

It transpires the command "$ make -n -f ins_rdbms.mk ipc_rds ioracle" was indeed the correct syntax.
Oracle have filed a documentation bug for the ODA instructions we were following.

Regards,
Ruan

On Sun, Sep 23, 2018 at 7:17 PM Ruan Linehan <ruandav_at_gmail.com> wrote:

> Thank you kindly Stefan for responding, and yes my wording and
> interpretation of what is happening with the make
> command is very much lacking in accuracy.
>
> The difference you demonstrated in stdout is exactly why there is now a
> question mark over the command to be used at this point.
> Is the functional intent of the differing commands completely
> separate/distinct?
> Is one command more appropriate/correct than the other for use or are they
> to be used under separate context/criteria?
>
> If someone offered you the painfully open statement: "Stefan, I'd like you
> perform the linking phase for 'ipc_rds'???" - which version of the
> command do you instinctively reach for? :)
>
> Regards,
> Ruan
>
> On Sun, Sep 23, 2018 at 10:52 AM Stefan Koehler <contact_at_soocs.de> wrote:
>
>> Hello Ruan,
>> I think there are some misconceptions here.
>>
>> At first Oracle does not deliver any source file - it delivers the object
>> files (*.o - binary code which contains the machine code to perform the
>> functions defined in the corresponding source file, and also contains a
>> symbol table describing all objects in the file that have external linkage).
>>
>> You never recompile anything here - you basically start at the linking
>> phase (as preprocessing, compiling and assembling is already done by Oracle
>> Corp.)
>>
>> So what is the difference between "make -f ins_rdbms.mk ipc_rds ioracle"
>> and "make -f ins_rdbms.mk ipc_rds"? Just execute make as dry run and
>> have a look :-)
>>
>> ipc_rds ioracle
>> ------------8<------------------
>> T122DB [oracle_at_OEL lib]$ make -n -f ins_rdbms.mk ipc_rds ioracle
>> rm -f /oracle/rdbms/12201/lib/libskgxp12.so
>> cp /oracle/rdbms/12201/lib//libskgxpr.so
>> /oracle/rdbms/12201/lib/libskgxp12.so
>> chmod 755 /oracle/rdbms/12201/bin
>> echo
>> echo " - Linking Oracle "
>> rm -f /oracle/rdbms/12201/rdbms/lib/oracle
>> /oracle/rdbms/12201/bin/orald -o /oracle/rdbms/12201/rdbms/lib/oracle
>> -m64 -z noexecstack -Wl,--disable-new-dtags
>> -L/oracle/rdbms/12201/rdbms/lib/ -L/oracle/rdbms/12201/lib/
>> -L/oracle/rdbms/12201/lib/stubs/ -Wl,-E
>> /oracle/rdbms/12201/rdbms/lib/opimai.o
>> /oracle/rdbms/12201/rdbms/lib/ssoraed.o
>> /oracle/rdbms/12201/rdbms/lib/ttcsoi.o -Wl,--whole-archive -lperfsrv12
>> -Wl,--no-whole-archive /oracle/rdbms/12201/lib/nautab.o
>> /oracle/rdbms/12201/lib/naeet.o /oracle/rdbms/12201/lib/naect.o
>> /oracle/rdbms/12201/lib/naedhs.o /oracle/rdbms/12201/rdbms/lib/config.o
>> -ldmext -lserver12 -lodm12 -lofs -lcell12 -lnnet12 -lskgxp12 -lsnls12
>> -lnls12 -lcore12 -lsnls12 -lnls12 -lcore12 -lsnls12 -lnls12 -lxml12
>> -lcore12 -lunls12 -lsnls12 -lnls12 -lcore12 -lnls12 -lclient12 -lvsn12
>> -lcommon12 -lgeneric12 -lknlopt `if /usr/bin/ar tv
>> /oracle/rdbms/12201/rdbms/lib/libknlopt.a | grep xsyeolap.o > /dev/null
>> 2>&1 ; then echo "-loraolap12" ; fi` -lskjcx12 -lslax12 -lpls12 -lrt
>> -lplp12 -ldmext -lserver12 -lclient12 -lvsn12 -lcommon12 -lgeneric12 `if [
>> -f /oracle/rdbms/12201/lib/libavserver12.a ] ; then echo "-lavserver12" ;
>> else echo "-lavstub12"; fi` `if [ -f
>> /oracle/rdbms/12201/lib/libavclient12.a ] ; then echo "-lavclient12" ; fi`
>> -lknlopt -lslax12 -lpls12 -lrt -lplp12 -ljavavm12 -lserver12 -lwwg `cat
>> /oracle/rdbms/12201/lib/ldflags` -lncrypt12 -lnsgr12 -lnzjs12 -ln12
>> -lnl12 -lngsmshd12 -lnro12 `cat /oracle/rdbms/12201/lib/ldflags`
>> -lncrypt12 -lnsgr12 -lnzjs12 -ln12 -lnl12 -lngsmshd12 -lnnzst12 -lzt12
>> -lztkg12 -lmm -lsnls12 -lnls12 -lcore12 -lsnls12 -lnls12 -lcore12 -lsnls12
>> -lnls12 -lxml12 -lcore12 -lunls12 -lsnls12 -lnls12 -lcore12 -lnls12
>> -lztkg12 `cat /oracle/rdbms/12201/lib/ldflags` -lncrypt12 -lnsgr12
>> -lnzjs12 -ln12 -lnl12 -lngsmshd12 -lnro12 `cat
>> /oracle/rdbms/12201/lib/ldflags` -lncrypt12 -lnsgr12 -lnzjs12 -ln12
>> -lnl12 -lngsmshd12 -lnnzst12 -lzt12 -lztkg12 -lsnls12 -lnls12 -lcore12
>> -lsnls12 -lnls12 -lcore12 -lsnls12 -lnls12 -lxml12 -lcore12 -lunls12
>> -lsnls12 -lnls12 -lcore12 -lnls12 `if /usr/bin/ar tv
>> /oracle/rdbms/12201/rdbms/lib/libknlopt.a | grep "kxmnsd.o" > /dev/null
>> 2>&1 ; then echo " " ; else echo "-lordsdo12 -lserver12"; fi`
>> -L/oracle/rdbms/12201/ctx/lib/ -lctxc12 -lctx12 -lzx12 -lgx12 -lctx12
>> -lzx12 -lgx12 -lordimt12 -lclsra12 -ldbcfg12 -lhasgen12 -lskgxn2 -lnnzst12
>> -lzt12 -lxml12 -lgeneric12 -locr12 -locrb12 -locrutl12 -lhasgen12 -lskgxn2
>> -lnnzst12 -lzt12 -lxml12 -lgeneric12 -lgeneric12 -lorazip -loraz -llzopro5
>> -lorabz2 -lipp_z -lipp_bz2 -lippdcemerged -lippsemerged -lippdcmerged
>> -lippsmerged -lippcore -lippcpemerged -lippcpmerged -lsnls12 -lnls12
>> -lcore12 -lsnls12 -lnls12 -lcore12 -lsnls12 -lnls12 -lxml12 -lcore12
>> -lunls12 -lsnls12 -lnls12 -lcore12 -lnls12 -lsnls12 -lunls12 -lsnls12
>> -lnls12 -lcore12 -lsnls12 -lnls12 -lcore12 -lsnls12 -lnls12 -lxml12
>> -lcore12 -lunls12 -lsnls12 -lnls12 -lcore12 -lnls12 -lasmclnt12 -lcommon12
>> -lcore12 -laio -lons -lfthread12 `cat
>> /oracle/rdbms/12201/lib/sysliblist` -Wl,-rpath,/oracle/rdbms/12201/lib -lm
>> `cat /oracle/rdbms/12201/lib/sysliblist` -ldl -lm
>> -L/oracle/rdbms/12201/lib `test -x /usr/bin/hugeedit -a -r
>> /usr/lib64/libhugetlbfs.so && test -r
>> /oracle/rdbms/12201/rdbms/lib/shugetlbfs.o && echo
>> -Wl,-zcommon-page-size=2097152 -Wl,-zmax-page-size=2097152 -lhugetlbfs`
>> test ! -f /oracle/rdbms/12201/bin/oracle || (\
>> mv -f /oracle/rdbms/12201/bin/oracle
>> /oracle/rdbms/12201/bin/oracleO &&\
>> chmod 600 /oracle/rdbms/12201/bin/oracleO )
>> mv /oracle/rdbms/12201/rdbms/lib/oracle /oracle/rdbms/12201/bin/oracle
>> chmod 6751 /oracle/rdbms/12201/bin/oracle
>> ------------8<------------------
>>
>>
>> ins_rdbms.mk ipc_rds
>> ------------8<------------------
>> T122DB [oracle_at_OEL lib]$ make -n -f ins_rdbms.mk ipc_rds
>> rm -f /oracle/rdbms/12201/lib/libskgxp12.so
>> cp /oracle/rdbms/12201/lib//libskgxpr.so
>> /oracle/rdbms/12201/lib/libskgxp12.so
>> ------------8<------------------
>>
>>
>> T122DB [oracle_at_OEL lib]$ ldd $ORACLE_HOME/bin/oracle | grep libskgxp12
>> libskgxp12.so => /oracle/rdbms/12201/lib/libskgxp12.so
>> (0x00007f20f1de5000)
>> T122DB [oracle_at_OEL lib]$ ldd $ORACLE_HOME/bin/oracle | grep libskgxp
>> libskgxp12.so => /oracle/rdbms/12201/lib/libskgxp12.so
>> (0x00007fb5d8260000)
>>
>> ... and both libraries are dynamically linked in anyway :-)
>>
>> Best Regards
>> Stefan Koehler
>>
>> Independent Oracle performance consultant and researcher
>> Website: http://www.soocs.de
>> Twitter: _at_OracleSK
>>
>> > Ruan Linehan <ruandav_at_gmail.com> hat am 23. September 2018 um 01:59
>> geschrieben:
>> >
>> > Hi all,
>> >
>> > Earlier today, we were patching a 12C ODA appliance and ran into a
>> complaint surrounding a requirement to relink the Grid software from UDP to
>> use RDS instead for the Infiniband before being able to progress further.
>> So we attempted to follow the ODA documentation instruction to do this, but
>> ran into some pretty immediate issues.
>> > The problem we faced appeared to surround our steps for relinking the
>> home binaries (Which subsequently saw +ASM crash).
>> >
>> > The error/symptoms we observed appeared to match the below titled MOS
>> document, and inferred that our relinking was incomplete.
>> > "SKGXP IPC libraries must be the same version [local:RDS,remote:UDP] on
>> Exadata"
>> >
>> > My question though is around the linux make command. This instruction
>> appeared to be required as part of the steps for relinking once we've
>> stopped all resources and unlocked the Grid Infra home. I understand that
>> make is used to do the recompile from source file, and enable, or specify
>> the option for 'ipc_rds' as per below.
>> >
>> > $ cd $GRID_HOME/rdbms/lib
>> > $ make -f [ins_rdbms.mk](http://ins_rdbms.mk) ipc_rds ioracle
>> >
>> > But......The ODA documentation we referenced (Apologies but I don't
>> have the direct link as not posting this from work) did not include the
>> make command targets clause of "ioracle" however.
>> >
>> > So my question(s)...
>> > Can anyone outline the implications of the inclusion of the lib file
>> "ioracle" clause here as part of the command please?
>> > Will the compile from source, react drastically differently, or not
>> touch upon all linked library files if the ioracle clause is omitted?
>> > Does the ioracle stipulation restrict the recompilation to a subset or
>> specific file group?
>> >
>> > What we are really looking to determine here is whether we have the
>> correct command in the ODA documentation for this step.
>> >
>> > When we omit the "ioracle" clause, the make command seems to specify,
>> one solitary lib output file which it first removes and then copies into
>> place.
>> > When we include the "ioracle" clause, as is shown across many many
>> documentation examples on MOS, it appears to do additional linking steps
>> and permissions setting which is shown on stdout.
>> >
>> > Any and all help is greatly appreciated.
>> > Ruan
>>
>

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