Let us know your progress. Now...would you like to help us and document all this in http://book.seaside.st/ ?
Sorry I mean http://book.pharo-project.org/ ;) too many books
We need to write all this down. Image the poor guy that comes after you...imagine if someone already had this problem and you would have found such info...wouldn't that be cool ? Don't worry for the English neither to the text. It doesn't need to be perfect. This is continuous...we first write, and then the community will give feedback, correct it, complete it, etc...
If you want to join, please let us know and we generate a user for you.
Cheers
Mariano
Cheers
David
On 05 May, 2010, at 23:15, Mariano Martinez Peck wrote:
BTW....keyboards seems to be a .h (a header) , but not a library...at least in my mac
Do you have also the library ? I am still newbie with the Mac OS :(
Cheers
mariano
On Wed, May 5, 2010 at 11:10 PM, Mariano Martinez Peck < marianopeck@gmail.com> wrote:
On Tue, May 4, 2010 at 4:46 PM, David Wilson <djwilson@bluewin.ch>wrote:
Hi
I'm new to Pharo (although I was a Smalltalk programmer in the 90's), and I'm trying to use FFI to access an MacOs system function:
Hi and welcome!
apiKLGetKeyboardLayoutCount < cdecl: ulong 'KLGetKeyboardLayoutCount' (void) module: 'keyboards'> ^ self externalCallFailed.
I get an error "'Unable to find function address'" which seems to say the OS-module "keyboards" can't be found.
Exactly. That's the problem.
I can't figure out what the address should be. The function is defined here: http://developer.apple.com/legacy/mac/library/documentation/Carbon/Reference... (yes, it's deprecated, I have a very old mac runnning 10.4).
But you see the library in your computer, isn't it ? I mean, it is there, but FFI doesn't find it ?
I'm not sure if I'm using FFI correctly, do I have to somehow include the external library in the Pharo VM?
No, you shouldn't need to do that. However, you can try to put them there just to see if that's the problem. I think that at some point (depends on an order) the library is searched in the same place where you are calling from. So, yes, do a test, but just a test. It should work without doing that.
How did you install FFI ? Which Pharo VM and image versions are you using ?
Can anyone help?
I would like too, but I don't have such library.
I developed a wrapper for a Clibrary called OpenDBX using FFI. In our website, some people experimented similar problems. Please take a look to the title "Problems with Mac OS:" of the following link:
http://www.squeakdbx.org/Compiling%20and%20installing%20OpenDBX
I also cc'ed people that can help you.
Cheers
Mariano
I'm looked for FFI examples, but don't find anything helpful.
David
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