jextract woes

[sundararajan.athijegannathan at oracle.com]

Yes, not all relevant changes in original jextract are in the new 
jextract yet - in particular bundling builtin headers with jextract conf 
is yet to made in new jextract.

-Sundar

On 27/01/20 5:43 am, Maurizio Cimadamore wrote:
> I noticed that problem too - I was trying to use jextract on opencl 
> headers too to take a look at what came out and found that issue.
>
> This is something we fixed in the old jextract by having it include 
> some clang headers by default - Sundar, I think this change is missing 
> from current foreign-jextract?
>
> For now you can workaround like this (at least, this is what I used):
>
> jextract --filter cl.h -I 
> /opt/clang/clang+llvm-9.0.0-x86_64-linux-gnu-ubuntu-16.04/lib/clang/9.0.0/include/ 
> /usr/include/CL/cl.h
>
> This gave me something that was enough to Panama-ize some basic OpenCL 
> examples I found on the web.
>
> (The clang path you see is the one you use to build the Panama JDK)
>
> Maurizio
>
> On 26/01/2020 23:39, Michael Zucchi wrote:
>>
>> I'm using the github repoistory, foreign-jextract branch if that 
>> matters.  While tracking that gnu make problem I ended up checking 
>> that out because I didn't want to wait for mercurial again and I 
>> wasn't sure if something was broken locally.
>>
>> By default it can't find system includes:
>>
>> notzed at shitzone:~$ /opt/panama-jextract/bin/jextract 
>> /usr/include/CL/cl.h
>> WARNING: Using incubator modules: jdk.incubator.foreign, 
>> jdk.incubator.jextract
>> Exception in thread "main" java.lang.RuntimeException: 
>> /usr/include/CL/cl_platform.h:378:10: fatal error: 'stddef.h' file 
>> not found
>>         at 
>> jdk.incubator.jextract/jdk.internal.jextract.impl.Parser.lambda$parse$0(Parser.java:61)
>>         at 
>> jdk.incubator.jextract/jdk.internal.clang.TranslationUnit.processDiagnostics(TranslationUnit.java:76)
>>         at 
>> jdk.incubator.jextract/jdk.internal.clang.Index.parse(Index.java:102)
>>         at 
>> jdk.incubator.jextract/jdk.internal.jextract.impl.Parser.parse(Parser.java:58)
>>         at 
>> jdk.incubator.jextract/jdk.internal.jextract.impl.JextractTaskImpl.parse(JextractTaskImpl.java:59)
>>         at 
>> jdk.incubator.jextract/jdk.internal.jextract.impl.JextractTaskImpl.parse(JextractTaskImpl.java:53)
>>         at 
>> jdk.incubator.jextract/jdk.incubator.jextract.tool.Main.run(Main.java:184)
>>         at 
>> jdk.incubator.jextract/jdk.incubator.jextract.tool.Main.main(Main.java:97)
>>
>> If I use gcc to pre-process it first:
>>
>> notzed at shitzone:~$ gcc -E /usr/include/CL/cl.h > cl.h
>> notzed at shitzone:~$ /opt/panama-jextract/bin/jextract cl.h
>> WARNING: Using incubator modules: jdk.incubator.jextract, 
>> jdk.incubator.foreign
>> Exception in thread "main" java.lang.RuntimeException: cl.h:2989:1: 
>> error: definition of builtin function '_mm_getcsr'
>>         at 
>> jdk.incubator.jextract/jdk.internal.jextract.impl.Parser.lambda$parse$0(Parser.java:61)
>>         at 
>> jdk.incubator.jextract/jdk.internal.clang.TranslationUnit.processDiagnostics(TranslationUnit.java:76)
>>         at 
>> jdk.incubator.jextract/jdk.internal.clang.Index.parse(Index.java:102)
>>         at 
>> jdk.incubator.jextract/jdk.internal.jextract.impl.Parser.parse(Parser.java:58)
>>         at 
>> jdk.incubator.jextract/jdk.internal.jextract.impl.JextractTaskImpl.parse(JextractTaskImpl.java:59)
>>         at 
>> jdk.incubator.jextract/jdk.internal.jextract.impl.JextractTaskImpl.parse(JextractTaskImpl.java:53)
>>         at 
>> jdk.incubator.jextract/jdk.incubator.jextract.tool.Main.run(Main.java:184)
>>         at 
>> jdk.incubator.jextract/jdk.incubator.jextract.tool.Main.main(Main.java:97)
>>
>> Regards,
>>  Michael
>>