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RE: Cygwin - linker errors - __assert, __itob and __ftol
- From: Danny Smith <dannysmith at clear dot net dot nz>
- To: Cygwin <cygwin at cygwin dot com>
- Date: Sun, 01 Jun 2008 19:47:54 +1200
- Subject: RE: Cygwin - linker errors - __assert, __itob and __ftol
Dave Korn wrote (archived at http://www.cygwin.com/ml/cygwin/2008-05/msg00643.html)
>Tim Prince wrote on 30 May 2008 23:48:
>> C S wrote:
>>> gcj -D__int64="long long" -shared -I C:\Apps\Java\jdk1.6.0_05\include
>
>>> the error i get is: gcj: cannot specify -D without --main
>
>> might be handled better on the gcc-help list. I'm not expert enough to
>> explain why --main may be required when making a .dll, but I guess it
>> wants to know the entry function.
>
> This is not your average -D option, then.
No it is a gcj-specific option (there is not prepocessing in Java)
>From gcj.texi
@item -D@var{name}[=@var{value}]
This option can only be used with @code{--main}. It defines a system
property named @var{name} with value @var{value}. If @var{value} is not
specified then it defaults to the empty string. These system properties
are initialized at the program's startup and can be retrieved at runtime
using the @code{java.lang.System.getProperty} method.\\\
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