RFR: 8015145: Smartjavac needs more flexibility with linking to sources

[Erik Joelsson]

Friendly reminder that this needs to be looked at. The JCE team 
converting to the new build is dependent on this change.

/Erik

On 2013-08-07 11:37, Erik Joelsson wrote:
>
>
> On 2013-07-26 22:40, Jonathan Gibbons wrote:
>> I am concerned by the preceding comment, starting line 255.
>>
>>  255             // Always reuse -src for linking as well! This means 
>> that we might
>>  256             // get two -sourcepath on the commandline after the 
>> rewrite, which is
>>  257             // fine. We can have as many as we like.
>>
>> Yes, you can put as many -sourcepath options as you want, but as far 
>> as javac
>> is concerned, "last one wins". If you want all the options to be 
>> significant in the
>> child javac commands, you need to join the values.
>>
> I have reworded the comment, explaining that they are indeed joined 
> later, before being handed to javac. I also added a test for the 
> usecase I'm describing below and made the Sjavac tests runnable by jtreg.
>
> http://cr.openjdk.java.net/~erikj/8015145/webrev.langtools.02/
>
> /Erik
>> -- Jon
>>
>> On 06/07/2013 05:43 AM, Erik Joelsson wrote:
>>> Here is a patch solving a problem with -sourcepath for sjavac.
>>>
>>> First some background. The security sources (the ones that require 
>>> signing) need to be built to a separate directory. If they aren't 
>>> (as is the case now) security tests will fail if run on the exploded 
>>> jdk image (the one you get when just typing make or make jdk). In 
>>> JDK-8009280, I'm trying to fix this. The solution I have for that 
>>> bug is working well, except when running with sjavac, and basically 
>>> builds all classes except the security classes first to the normal 
>>> outputdir and then as a separate step builds just the security 
>>> classes to a different outputdir.
>>>
>>> There are two issues that need to be addressed in sjavac for this to 
>>> work. First, it needs to be possible to supply the same source root 
>>> both to the -src and -sourcepath option (but with different filter 
>>> rules). Sjavac is very picky and only links to sources that are 
>>> included in either of those options, and since we are excluding the 
>>> security sources from -src, we need to add them to -sourcepath.
>>>
>>> The second thing is more of a bug as far as I can tell. Sjavac 
>>> compares the found set of sources to compile with what the makefile 
>>> think needs to be compiled, as a safety check. Currently, sjavac is 
>>> including sources that are just being linked to in this comparison. 
>>> I would think that it should only include sources that are meant to 
>>> be compiled.
>>>
>>> http://cr.openjdk.java.net/~erikj/8015145/webrev.langtools.01/
>>>
>>> http://bugs.sun.com/view_bug.do?bug_id=8015145
>>>
>>> /Erik
>>