Patch for building Java compiler for version 4.3.0+

[Andy Johnson]

Yann,

> -----Original Message-----
> From: Yann E. MORIN [mailto:yann.morin.1998@anciens.enib.fr]
> Sent: Monday, January 05, 2009 5:23 PM
> To: Andy Johnson
> Cc: crossgcc@sourceware.org
> Subject: Re: Patch for building Java compiler for version 4.3.0+
> 
> Andy,
> All,
> 
> Please keep the ML in copy, that may help others...

I intended to, but the miracle that is Outlook (the miracle is
that it hasn't infected my computer today with something other
than itself) interfered.

--SNIP--

> OK. Then we'll need a silent option:
> 
> ---8<--- BEGIN ---8<---
> config CC_LANG_JAVA_USE_ECJ
>     bool
>     default y
>     depends on CC_LANG_JAVA
>     depends on CC_GCC_4_3_or_later
> ---8<---  END  ---8<---
> 
> and then downloading and copying if CC_LANG_JAVA_USE_ECJ is set

--SNIP--

I have not figured which file to put the configure option in
and have it work.  The two "depends" are set in different files.
No matter where I put it CC_LANG_JAVA_USE_ECJ is never set in
the .config file.  The build process dies when it tries to test
that variable.

I don't know how to do a list of possible ftp sites to get the
ecj-latest.jar file, but another is at ftp://sourceware.org/pub/java/.

Also, there is an additional configure option for gcc that I
added through menuconfig (--enable-java-maintainer-mode) that
I'm not sure how you would like to handle.  I'm guessing that
you would rather put it in a config file rather than code it
into gcc.sh.

Andy
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