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OpenGL vs VMMaker

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KenDickey

OpenGL vs VMMaker

Hi there,

I am trying to build a minimal interpreter VM.

I have B3DAcceleratorPlugin in the Plugins Not Built pane in the VMMakerTool.

Why is the build trying to find the (Open)GL header file?

[This happens under Linux on x86-64 and on ARM]

========
[ 26%] Building C object CMakeFiles/squeakvm.dir/vm/sqUnixMain.c.o
In file included from /home/kend/SqueakVM/platforms/unix/vm/SqDisplay.h:16:0,
from /home/kend/SqueakVM/platforms/unix/vm/sqUnixMain.c:115:
/home/kend/SqueakVM/platforms/unix/plugins/B3DAcceleratorPlugin/sqUnixOpenGL.h:27:7: error: #error *** cannot find gl.h
# error *** cannot find gl.h
^
========
Thanks much.
-KenD

-KenD

Chris Cunnington-4

Re: OpenGL vs VMMaker

On Jan 7, 2016, at 9:53 PM, KenD <[hidden email]> wrote:

Hi there,

I am trying to build a minimal interpreter VM.

You’re removing things to find out what’s essential, I take it? Pulling things out until something breaks?

I have B3DAcceleratorPlugin in the Plugins Not Built pane in the VMMakerTool.

You don’t see it In the GUI. Do you see B3DAcceleratorPlugin in /home/kend/SqueakVM/src/plugins.ext? I expect you will, as it’s clearly trying to compile it.

Why is the build trying to find the (Open)GL header file?

Because it’s trying to build the B3DAcceleratorPlugin.

I think regardless of this plugin, you’ll need gl.h.

You’ll need a graphics library. I usually just execute the following in Linux and forget about it.

(See the last line)

apt-get install lib32z1-dev -y # install 32-bit libs

apt-get install libsm-dev:i386 # for Squeak vm

apt-get install libglu1-mesa:i386 # X11 for Squeak

apt-get install uuid-dev:i386 # for Squeak vm

apt-get install mesa-common-dev:i386 # add gl.h

And you’re compiling to 32-bit, right? For the Interpreter that is by far the more common path.

I always say this, but this is fun:

http://lists.squeakfoundation.org/pipermail/squeak-dev/2012-October/166038.html

FWIW,

Chris

[This happens under Linux on x86-64 and on ARM]

========
[ 26%] Building C object CMakeFiles/squeakvm.dir/vm/sqUnixMain.c.o
In file included from /home/kend/SqueakVM/platforms/unix/vm/SqDisplay.h:16:0,
                from /home/kend/SqueakVM/platforms/unix/vm/sqUnixMain.c:115:
/home/kend/SqueakVM/platforms/unix/plugins/B3DAcceleratorPlugin/sqUnixOpenGL.h:27:7: error: #error *** cannot find gl.h
#     error *** cannot find gl.h
      ^
========
Thanks much.
-KenD

timrowledge

Re: OpenGL vs VMMaker

> On 07-01-2016, at 7:52 PM, Chris Cunnington <[hidden email]> wrote:
>
>
>> On Jan 7, 2016, at 9:53 PM, KenD <[hidden email]> wrote:
>
>> Why is the build trying to find the (Open)GL header file?
>
> Because it’s trying to build the B3DAcceleratorPlugin.

I wouldn’t want to swear to it but I think the vm-display-X11 module also looks for it, but the config really ought to be checking if you have the headers etc.

tim
--
tim Rowledge; [hidden email]; http://www.rowledge.org/tim
29A, the hexadecimal of the Beast.

David T. Lewis

Re: OpenGL vs VMMaker

In reply to this post by KenDickey

On Thu, Jan 07, 2016 at 06:53:58PM -0800, KenD wrote:
>
> Hi there,
>
> I am trying to build a minimal interpreter VM.

Just in case you're not aware of it, try "VMMakerTool minimal" for a
quick way to generate a minimal set of ./src code.

>
> I have B3DAcceleratorPlugin in the Plugins Not Built pane in the VMMakerTool.
>
> Why is the build trying to find the (Open)GL header file?
>
> [This happens under Linux on x86-64 and on ARM]
>

Use the --without-gl option when you run configure:

--without-gl disable everything that depends on OpenGL

There is a --help option to configure that gives more information:

$ ../platforms/unix/cmake/configure --help

Dave

KenDickey

Re: OpenGL vs VMMaker

In reply to this post by KenDickey

Thanks all for the help!

Interesting, installing the mesa libs did not yield gl.h, but configuring --without-gl did the trick.

Sorry for the basic questions. I use make/makefiles rarely (as in twice in a few years).

Unfortunately, I will probably have more questions.

I am getting a minimal interpreter vm up in Linux as a baseline to taking a shot at getting the VM up in Chrome's PNaCl (Portable Native Client).

I did find yoshikiohshima/NaClSqueak.

Still grokking the PNaCl docs, but I expect to be pushing the marble up the hill with my nose any day now.

Thanks again,
-KenD

-KenD