Re: Performance gcj & mysql

[ezer <andres dot a at adinet dot com dot uy>]

i downloaded a virtual appliance of debian  etch with basic functionalities
to run with vmware.
installed gcj by the synaptic package manager

and also cant use -static-libgcj :
/usr/bin/ld: cannot find -lgcj

Wich files should i install to a machine that soesnt have gcj to run a
compiled program without using static compilation



ezer wrote:
> 
> i substituded the line
> 
> %rename lib liborig
> *lib: %{static-libgcj:-non_shared} %{s-bc-abi:-lgcj_bc;:-libgcj}
> %{static-libgcj:-call_shared} -lm   -lpthread -lrt -lz   -ldl %(libgcc) 
> %(liborig)
> 
> to:
> 
> %rename lib liborig
> *lib: %{static-libgcj:-non_shared} %{s-bc-abi:-lgcj_bc}
> %{static-libgcj:-call_shared} -lm   -lpthread -lrt -lz   -ldl %(libgcc) 
> %(liborig)
> 
> and i get a very Ãlarge stack of error.. a little part of that is:
> 
> mysql-5.0.8.o: In function `void com::mysql::jdbc::Statement::cancel()':
> mysql-connector-java-5.0.8-bin.jar:(.text+0xb0b48): undefined reference to
> `_Jv_MonitorEnter'
> mysql-connector-java-5.0.8-bin.jar:(.text+0xb0b87): undefined reference to
> `_Jv_AllocObjectNoFinalizer'
> mysql-connector-java-5.0.8-bin.jar:(.text+0xb0c24): undefined reference to
> `_Jv_LookupInterfaceMethodIdx'
> 
> 
> I also tried
> %{s-bc-abi:-lgcj_bc;:-lgcj_bc}  
> and it complains about -lgcj_bc  (/usr/bin/ld: cannot find-lgcj_bc )
> 
> Is not any little step by step tutorial of requirements ? paths, required
> libs, etc. Any tested environment, perhups i could run any other distro of
> linux, not ubuntu. I think the thinks i am trying to do are very basic
> things.. dont believe that anybody passed by the same problems than I.
> 
> 
> Marco Trudel-4 wrote:
>> 
>> ezer wrote:
>>> 
>>> I run gcj -static-libgcj --main=MysqlConnect -o mysqlconnect
>>> MysqlConnect.java mysql-5.0.8.o
>>> 
>>> i get:
>>> /usr/bin/ld: cannot find -lgcj
>>> collect2: ld returned 1 exit status
>>> 
>>> The file libgcj.spec :
>> 
>> Right, now I remember. This one has already been discussed long ago. I 
>> even had a local patch to fix it for testing purposes...
>> I think my conclusion back then was that libgcj.spec was/is flawed for 
>> using "-static-libgcj". But the discussion was - if I remember right - 
>> somewhat strange and Andrew didn't agree with that. One of the 
>> discussions about libgcj.spec can be found here: 
>> http://gcc.gnu.org/ml/java/2007-03/msg00074.html
>> But I think it's not really the discussion I have in mind.
>> 
>> Anyway, you need to adjust that file. Just try temporarily removing 
>> "-lgcj"...
>> 
>> 
>> Hope that helps
>> Marco
>> 
>> 
>>> %rename startfile startfileorig
>>> *startfile:  %(startfileorig)
>>> 
>>> %rename lib liborig
>>> *lib: %{static-libgcj:-non_shared} %{s-bc-abi:-lgcj_bc;:-lgcj}
>>> %{static-libgcj:-call_shared} -lm   -lpthread -lrt -lz   -ldl %(libgcc) 
>>> %(liborig)
>>> 
>>> *jc1: -fhash-synchronization -fno-use-divide-subroutine  -fuse-boehm-gc
>>> -fnon-call-exceptions   -fkeep-inline-functions
>>> 
>>> 
>>> I cant find any lgcj file, i found libgcj, even changing the names i get
>>> the
>>> same error. Sghould i define a path or add any other file ?
>>> 
>>> 
>>> 
>>> Andrew Haley wrote:
>>>> Marco Trudel wrote:
>>>>> Andrew Haley wrote:
>>>>>>> 2) ./mysqlconnect stays dependant of the gcj libraries? When i
>>>>>>> uninstall gcj
>>>>>>> the executable complains about libgcj. Is there any way to have it
>>>>>>> totally
>>>>>>> independent, for example i want to copy the executable and
>>>>>>> mysql-5.0.8.o
>>>>>>> library without worring if have have gcj installed on that machine.
>>>>>> This is very difficult.  The -static-libgcj option might help,
>>>>>> but I wouldn't guarantee it.  For more details see:
>>>>>> http://gcc.gnu.org/wiki/Statically%20linking%20libgcj
>>>>> Actually it works quite well as long as you know some little details.
>>>> Well, no.  It can work in some circumstances, and in others it doesn't
>>>> work at all.
>>>>
>>>> Andrew.
>>>>
>>>>
>>> 
>> 
>> 
>> 
> 
> 

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