Visual Studio 2010

Pete Brunet pete at
Wed May 19 13:49:26 UTC 2010

Raffaello, If you'd like to get started before the build is updated I
can give you some hints based on my experience with VS 2008.  Back in
November I was successful in building b75 with the Standard Edition of
VS 2008.  I assume the Express version would also work, possibly with
some similar adjustments.  Here are the changes I made:

1) RC and MT moved from
  C:\Program Files\Microsoft Visual Studio 9.0\VC\bin
  C:\Program Files\Microsoft SDKs\Windows\v6.0A\bin

2) Fix to c:\Program Files\Microsoft Visual Studio
9.0\VC\INCLUDE\stdio.h(358) : error C3163:
  '_vsnprintf': attributes inconsistent with previous declaration
Don't execute the #define vsnprintf _vsnprintf on line 224 of
Stdio.h now defines it.  See

Note: I found a similar #define in
C:\OpenJDK\jdk7\jdk\src\windows\back\util_md.h but I didn't need to
comment it out.

3) Edited C:\OpenJDK\jdk7\jdk\make\common\shared\Defs-versions.gmk to
change the required linker version from
  9.00.21022.08 to 9.00.30729.01

Also, I had a problem unrelated to the compiler, but also needed the
following fix, but perhaps I only needed it because I was building on
the same system I do all my other work and thus was stressing my 2G of RAM.

Error occurred during initialization of VM, Could not reserve enough
space for object heap
  edit the following to reduce -Xmx896m on java invocation
  change echo "896" to echo "640"

Things may have changed in the latest build scripts so the all the above
may no longer be needed for 2008, but perhaps they will be hints for any
issues with 2010.

*Pete Brunet*
a11ysoft - Accessibility Architecture and Development
(512) 238-6967 (work), (512) 689-4155 (cell)
Skype: pete.brunet
IM: ptbrunet (AOL, Google), ptbrunet at (MSN)
Ionosphere: WS4G

Erik Trimble wrote:
> Raffaello Giulietti wrote:
>> Since some days, the "OpenJDK Build README" mentions Visual Studio C++
>> 2010 as the reference compiler.
>> As mentioned by Kelly
>> (,
>> the step seems to be a stable one, at least for some years, I guess.
>> Kelly, to your knowledge, has the transition to VS2010 been adopted even
>> by the formal JDK7 Release Engineering team?
>> Can we, outside of Oracle, give it a try or should we better wait some
>> weeks to see the build process stabilize before risking our mental
>> health ;-) ?
> I just talked with Kelly today (I'm working on the JPRT system with
> Kelly, which is what we use internally to do the development build/test).
> Moving to VS 2010 isn't ready yet. You'd be welcome to try, and give
> us feedback, but we're still not ready to migrate from VS 2003 as the
> "official" C++ compiler yet.  It works, sorta, but there's still a
> fair number of bugs getting the whole system working properly.
> We're also looking at updating the SDK at the same time, so there's
> issues around that, too (though, less so). And, of course, we're
> looking at changing the build OS itself from Windows 2000 to something
> a bit more modern.  And, the latest Cygwin has issues, too.
> I don't want to sound negative, because there really has been progress
> made. It's just that we need to update a whole bunch of things, and
> Windows is a real pain, compared to the other OSes we support.
> The jist of this is this:   we're actively working on updating the
> Win32 and Win64 build setups (all aspects) to something that we can
> likely live with for at least a few more years.  It's not done yet.
> It's also not quite up to just the RE Team to OK the switch - there
> are other stakeholders which have to OK it too.
> Kelly will have to speak as to the official adoption of VS2010 when it
> actually happens.
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