3.3.1 GCJ Cross compiler configuration issues

[Peter Blemel]

David Daney Wrote:
>
>Peter Blemel wrote:
>
>>o The libjava/configure.host script sets up the build based on the host 
>>configuration (as you'd expect, given it's name).   The "problem" is that 
>>it's really configuring the library for the target, not the host.
>
>I kind of forget the argument, but for cross compiler library (like libgcj) 
>builds, the ${host} variable magically has the value of the cross target.  
>So everything works.
>
>Libraries are hosted, tools that contribute the the generation of code are 
>targeted.
>

Hrm... That's not what I saw hapenning, which is how I wound up down that 
road.   I'd go back and build again to check it out, but one build is an all 
day process.

Which brings me to another issue ;-)  For an embedded system with no display 
and no network support it just takes up space to build awt / swing / etc 
classes.    These groups of classes are tacked onto the end of 
'ordinary_java_source_files'.   Is it advisable to make a change such as

@NATIVE_TRUE@awt_SOURCES = $(awt_java_source_files)
java_source_files = ... $(awt_SOURCES)

?

Which brings me to another point.   When building from a 'stock' GCC 
distribution everything (including .java files) are recompiled many times 
(ca, le, nof, und).   Is there a particular reason that the .class files 
need to be built so many times?

Thanks and Regards,
Peter

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