Sometimes the problem is that you have Linux x86_64 and only the 64bit libraries. When using squeak it is necessary to have the proper 32bit libraries to have the system working.
On 22-09-2014 18:10, [email protected] wrote: > I passed 'localhost:0:0' in the XWindows example and this gave me a > window reference. > > The next problem was that it broke after that. But I got the handle. > > Try with that, it may help. > > Phil > > > On Mon, Sep 22, 2014 at 10:02 PM, Annick Fron <[email protected] > <mailto:[email protected]>> wrote: > > Thanks you > The problem is I wanted to use X windows ! > Otherwise I have managed to use FFI on Linux. > Perhaps there is a glitch when passing nil as argument. It is not > clear whether we have to use nil or 0 (as a null pointer). > This is really my point, I sometimes need to pass NULL. > Annick > > Le 22 sept. 2014 à 21:22, Nicolai Hess <[email protected] > <mailto:[email protected]>> a écrit : > >> >> 2014-09-22 18:10 GMT+02:00 [email protected] >> <mailto:[email protected]> <[email protected] >> <mailto:[email protected]>>: >> >> I've been able to reproduce this. >> >> Well, my CentOS thing requires me for some reason to put >> /usr/lib/libX11.so.6 in the module name (doing these kind of >> things looks like usual for lib names with FFI from what I >> saw from old Squeak threads). >> >> >> Yes, I read this threads too, I solved it by >> LD_LIBRARY_PATH=<YOUR_PATH_TO_X11> ./pharo .... >> >> but no matter which of this (LD_LIBRARY_PATH or full name in the >> ffi pragma) the call throws the >> "could not coerce arguments"- error. >> >> But the Sample class>>callC: method you wrote in the other mail >> works. >> >> >> >> XCreateGC: xDisplay with: aDrawable with: valueMask with: values >> <cdecl: X11GC 'XCreateGC' (X11Display* X11Drawable ulong >> long*) module: '/usr/lib/libX11.so.6'> >> >> Now, other internal FFIPrims tests do work. >> >> So, it is X11 or something else, I do not know. >> >> Phil >> >> >> On Mon, Sep 22, 2014 at 4:39 PM, Ben Coman >> <[email protected] <mailto:[email protected]>> wrote: >> >> Annick Fron wrote: >> >> Hi, >> >> I have posted a bug about this in fogbugz. >> FFI example on Linux don’t work >> >> X11Display coloredRectangles >> raises an error « coud not coerce arguments ». >> In fogbugz, I was asked to raise this question in the >> mailing list, to know if it comes from the VM or from >> FFI. >> >> Annick >> >> >> >> Hi Annick, >> Sorry I don't know anything about this topic to help, >> just a minor observation that a link to the fogbugz issue >> would help streamline things for someone who does. >> :) >> cheers -ben >> >> >> >> >> > >
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