From: jovansonlee cesar <ivanceras@gmail.com>
To: Vaijayanthi Mala Suresh <vaijayanthimalas@gmail.com>
Cc: java@gcc.gnu.org
Subject: Re: Compile java files in packages
Date: Fri, 05 Jun 2009 11:05:00 -0000 [thread overview]
Message-ID: <c20f2990906050405x624ddae1m8e3e8f49a6a13e1a@mail.gmail.com> (raw)
In-Reply-To: <6f1633170906050400x39bc84a1g87cab64782085b60@mail.gmail.com>
Hi Vaijayanthi Mala Suresh,
> if i give gcj -c ./com/test/mytest.java it gives me error.
It should be Capital "-C"
try it with
gcj -C ./com/test/mytest.java
Regards,
ivanceras
On Fri, Jun 5, 2009 at 7:00 PM, Vaijayanthi Mala
Suresh<vaijayanthimalas@gmail.com> wrote:
> Hi ivanceras,
>
> Can you please let me know how to do it for java files within packages.
>
> For eg. I have mytest.java under com.test.
>
> if i give gcj -c ./com/test/mytest.java it gives me error.
>
> Thanks
> Mala
>
> On Fri, Jun 5, 2009 at 4:26 PM, jovansonlee cesar<ivanceras@gmail.com> wrote:
>> Hello Vaijayanthi Mala Suresh,
>>
>>> Can you please let me know i can generate .class files as I have
>>> native methods defined in many of these java files for which
>>> I need to generate the .h files as well.
>>
>> I have not tried generating .h files for these, and I havent even
>> tried linking java together with c++,
>> My main objective is really just to compile prebuilt java applications
>> into native binary using gcj.
>>
>> In generating ".class" files, you could use "gcj -C" in the same way
>> you use "javac" from sun's jdk,
>> "gij" in the same way you could use "java" from sun jdk,
>>
>> Here is an example:
>> $gcj -C Hello.java
>> that would generate Hello.class
>> in the same you do as(in suns jdk)
>> $javac Hello.java
>>
>> To run, just use
>> $gij Hello
>> in the same(suns jdk)
>> $java Hello
>>
>>
>> Regards,
>> ivanceras
>>
>>
>> On Fri, Jun 5, 2009 at 6:39 PM, Vaijayanthi Mala
>> Suresh<vaijayanthimalas@gmail.com> wrote:
>>> Hi ivanceras,
>>>
>>> Thanks for your help.
>>>
>>> Can you please let me know i can generate .class files as I have
>>> native methods defined in many of these java files for which
>>> I need to generate the .h files as well.
>>>
>>> Thanks
>>> Mala
>>>
>>> On Fri, Jun 5, 2009 at 2:26 PM, jovansonlee cesar<ivanceras@gmail.com> wrote:
>>>> Hi Vaijayanthi Mala Suresh,
>>>>
>>>> Here is my little example:
>>>> http://ivanceras.blogspot.com/2009/04/gcj-vs-jvm-benchmark.html
>>>>
>>>> $gcj -c -g -O Test.java
>>>> $gcj --main=Test -o Test.bin Test.o
>>>> $./Test.bin
>>>>
>>>> and here's how you would compile jar library file(ie. postgresql jdbc
>>>> driver) and link it to your main class
>>>> http://ivanceras.blogspot.com/2009/05/gcc-vs-jvm-benchmark-2.html
>>>>
>>>> Compiling, Linking and Running in GCJ:
>>>>
>>>> compile the PostgreSQL jdbc driver
>>>> $gcj -c -g -O postgresql-8.4dev-700.jdbc3.jar
>>>> This will create the native binary file "postgresql-8.4dev-700.jdbc3.o"
>>>>
>>>> compile the Test
>>>> $gcj -c -g -O TestDb.java
>>>> This will create the native binay file "TestDb.o"
>>>>
>>>> do the linking
>>>> $gcj --main=TestDb -o TestDb.bin postgresql-8.4dev-700.jdbc3.o TestDb.o
>>>> This will create the executable file: "TestDb.bin"
>>>>
>>>> execute
>>>> $./TestDb.bin
>>>>
>>>> Please visit the blog for more details :)
>>>>
>>>> Regards,
>>>> ivanceras
>>>>
>>>> (PS: have to resend, mailist don't seem to accept html text)
>>>>
>>>> On Fri, Jun 5, 2009 at 3:39 PM, Vaijayanthi Mala Suresh
>>>> <vaijayanthimalas@gmail.com> wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> I have a several packages of java files which I need to compile with
>>>>> gcj to generate .class and .o files.
>>>>>
>>>>> Can anyone help me please.
>>>>>
>>>>> Thanks
>>>>> Mala
>>>>
>>>
>>
>
next prev parent reply other threads:[~2009-06-05 11:05 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-05 7:39 Vaijayanthi Mala Suresh
[not found] ` <c20f2990906050151t3152a3d6xeff18a9a7ecbb396@mail.gmail.com>
2009-06-05 8:56 ` jovansonlee cesar
2009-06-05 10:40 ` Vaijayanthi Mala Suresh
2009-06-05 10:56 ` jovansonlee cesar
2009-06-05 11:00 ` Vaijayanthi Mala Suresh
2009-06-05 11:05 ` jovansonlee cesar [this message]
[not found] ` <6f1633170906050417r11d29691p8bb1be0e80907b13@mail.gmail.com>
2009-06-05 11:26 ` jovansonlee cesar
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