Re: Compiling jar file using gcj

[Swapnil Jain <swapnil at pisces dot net dot in>]

On 01-Sep-09, at 3:02 PM, Andrew Haley wrote:

> Swapnil Jain wrote:
> > i am attaching the RXTXcomm.jar that i use
> >
> >
> >
> >
> > --------------------------------
> > Swapnil Jain
> > Indore
> > -----------------------------------------------
> >
> >
> >
> > On 31-Aug-09, at 4:52 PM, Andrew Haley wrote:
> >
> > > Swapnil Jain wrote:
> > > > i am using ubuntu 9.04 32 bit desktop edition.
> > > >
> > > > gcc (Ubuntu 4.3.3-5ubuntu4) 4.3.3
> > > > gcj (Ubuntu 4.3.3-5ubuntu4) 4.3.3
> > > > java version "1.6.0_14"
> > > > Java(TM) SE Runtime Environment (build 1.6.0_14-b08)
> > > >
> > > > i created a java project using netbeans. it uses 2 libraries
> > > > RXTXcomm.jar & mysql-connector-java-5.1.7-bin.jar
> > > >
> > > > after building the project thru netbeans i get the iRemote.jar  
> > > > file in
> > > > the dist folder.
> > > >
> > > > i want to compile it using gcj to create a binary file. i am  
> > > > using the
> > > > following command
> > > >
> > > > gcj -o iRemote.sh --main=iremote.controller.Controller
> > > > --classpath=RXTXcomm.jar:mysql-connector-java-5.1.7-bin.jar:  
> > > > iRemote.jar
> > > > RXTXcomm.jar mysql-connector-java-5.1.7-bin.jar -v
> > > >
> > > > i am getting a segmentation fault error (file attached)
> > > >
> > > >
> > > > i am also attaching strace of gcc & gcj
> > > >
> > > >
> > > > kindly let me know if any more information you need.
> > >
> > > All files.  I need to know how to get the exact same versions you
> > > are using.  Of course, this includes RXTXcomm.jar.
>
> You have run into a bug where gcj gets very confused if the same  
> file occurs
> more than once on the command line.  I need to look at a way to  
> detect this
> and abort with an error message instead of segfaulting.
>
> I cannot compile your example because a chunk of native code seems  
> to be
> missing from RXTXcomm.  You need to find this.
>
> However, once you find the native code for RXTXcomm, something like
>
> <compile the RXTX native code to native.o>
> gcj -c RXTXcomm.jar -o RXTXcomm.o
> gcj -c --classpath=RXTXcomm.jar iRemote.jar -o iRemote.o
> gcj --main=iremote.controller.Controller native.o RXTXcomm.o iRemote.o
>
> should work.
>
> Andrew.

> gcj -c RXTXcomm.jar -o RXTXcomm.o

THIS GOES OK

> gcj -c --classpath=RXTXcomm.jar iRemote.jar -o iRemote.o

THIS GOES OK

> gcj --main=iremote.controller.Controller -o native.o RXTXcomm.o  
> iRemote.o

again too many errors, i am attaching the error log


------
Swapnil

Attachment: erorr.txt
Description: Text document