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Re: GCJ on Linux

From: Jonathan Wakely <jwakely dot gcc at gmail dot com>
To: Me Myself and I <stargate7thsymbol at live dot co dot uk>
Cc: java at gcc dot gnu dot org, gcc-help at gcc dot gnu dot org
Date: Tue, 21 Feb 2012 11:24:57 +0000
Subject: Re: GCJ on Linux
References: <BAY147-W6597CC9B15ACB3480C7796D0670@phx.gbl> <CAM1kHc0dBjY-pwxs8rQaer0ngAHVmvd2Kbu8YCEgPm=_DtpetA@mail.gmail.com> <BAY147-W20DB521E79F72666FA3F22D0670@phx.gbl>

On 21 February 2012 10:30, Me Myself and I wrote:
>
> Does gcj on Linux give the option to compile for windows?

No.  GNU/Linux and Windows have entirely different, incompatible
runtime environments, you can't just say "I want this to run on
Windows" and expect a GNU/Linux compiler to link to the Windows
runtime.  You'd need a cross-compiler targeting Windows, as described
at rmathew's document that you've been posting, which would need
copies of all the Windows runtime files (i.e. the binaries for
"mingw-runtime" and "w32api")

> Can someone tell me what the appropriate windows switch is?
>
> I have a 64 bit Linux OS install.? IS there a 32 bit compile switch, and does anyone know it?

Assuming you're talking about x86, it's -m32, as documented in the GCC manual.

Maybe it would be easier to just run normal Java code on Windows,
instead of compiling to native code with gcj.

References:
- Please, there now has to be someone who can get this working!
  - From: Me Myself and I
- Re: Please, there now has to be someone who can get this working!
  - From: David Paterson
- GCJ on Linux
  - From: Me Myself and I

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