<AWT Dev> RfR JDK-8055831 Open Source Java Access Bridge

Erik Joelsson erik.joelsson at oracle.com
Wed Mar 25 08:01:29 UTC 2015

Hello Peter,

The new source layout and Lib-jdk.accessibility.gmk look much better. 

Regarding the .def files, I was mistaken and missed that they were 
referenced in the LDFLAGS, they were indeed used in the build so no 
reason to remove them.


On 2015-03-24 22:36, Pete Brunet wrote:
> Here's the latest patch:
> http://cr.openjdk.java.net/~ptbrunet/JDK-8055831/webrev.01/
> The changes are:
> - restructured the native libraries from one directory to several
> directories on a per DLL/EXE basis
> - that impacted jdk/make/lib/Lib-jdk.accessibility.gmk
> - removed the source for the Ferret and Monkey test tools which will be
> the subject of a later patch
> - removed the DEF files; although they were used in the build, there are
> no build or runtime problems after their removal
> On 3/24/15 8:08 AM, Magnus Ihse Bursie wrote:
>> On 2015-03-23 18:31, Pete Brunet wrote:
>>> Hi Erik,
>>> I tried the restructuring about 2 weeks ago and the build failed trying
>>> to find an h file in the common directory.  I used two directories on
>>> the SRC := setting for SetupNativeCompilation but the build failed not
>>> finding an h file located in the second (common) directory.
>> For .h files, you need to also set the -I flag correctly. This is not
>> done automatically from SRC. (Maybe it should.)
>> We have a pattern that you can copy to get this behavior. E.g.
>> $(JDK_TOPDIR)/src/java.instrument/share/native/libinstrument \
>> $(JDK_TOPDIR)/src/java.instrument/$(OPENJDK_TARGET_OS_TYPE)/native/libinstrument
>> \
>>      #
>>      $(addprefix -I, $(LIBINSTRUMENT_SRC)) \
>>      -Isomewhere-else \
>>      #
>>>> There are a number of extra .cpp files in the libaccessbridge dir that
>>>> aren't used in any of the libraries. What is the purpose of those?
>>>> Keeping source code around that is not being built seems strange to
>>>> me. There are also extra .rc files and a bunch of .DEF files. Are the
>>>> .DEF files used for anything? If all these files really need to be
>>>> included in our source base, perhaps sort them out into a
>>>> jdk.accessibility/windows/native/misc dir or something so that it's
>>>> clear what is needed to build the product and what is not?
>>> The Ferret and Monkey tools need to be built and added to the JDK
>>> image.  This is JDK-8056925.  That covers 2 CPP and the 3 RC files plus
>>> AccessInfo.cpp.  Do you want me to remove those now and add them back in
>>> later?
>> I would prefer that. It is generally better to make each change
>> coherent, unless there is much work in making some changes that will
>> very shortly be undone. This is not the case here. This change should
>> only add the files that are needed for these dll:s to compile.
>>> JavaAccessBridge.DEF is pretty empty.  I'll see if the build will work
>>> without it.
>>> WinAccessBridge.DEF seems like it might be needed.  What do you think?
>> Is it accessed by the compiler? Unless it is given as input to the
>> compiler or linker command line, it is not used in the build. Unless
>> the microsoft compiler does some magic trick and picks up files
>> unasked based on filename, that is. (Unlikely but not impossible, but
>> I'd like to see that proved.)
>> /Magnus

More information about the awt-dev mailing list