DLD and linker scripts

It would be fine if the DLD could handle linker scripts,
or at least would generate an appropriate error message.

In Debian and Gentoo libncurses.so is such a script.

At the moment this happens in stable gst:

st> PackageLoader fileInPackage: 'NCurses'
"Global garbage collection... done"
Loading package NCurses
PackageLoader
st> NCWindow helloWorld
Object: CFunctionDescriptor new: 1 "<0x7f3fb73c2fe0>" error: Invalid C
call-out initscr
SystemExceptions.CInterfaceError(Exception)>>signal (ExcHandling.st:254)
SystemExceptions.CInterfaceError class(Exception class)>>signal:
(ExcHandling.st:161)
CFunctionDescriptor(CCallable)>>callInto: (CCallable.st:165)
NCWindow class>>primInitScr (NCurses.star#VFS.ZipFile/ncurses.st:1)
NCWindow class>>initscr (NCurses.star#VFS.ZipFile/ncurses.st:1360)
NCWindow class>>helloWorld (NCurses.star#VFS.ZipFile/ncurses.st:2740)
UndefinedObject>>executeStatements (a String:1)
nil

If I load the real library it succeeds:
st> DLD addLibrary: 'libncurses.so.5'
DLD
st> NCWindow helloWorld
NCWindow
st>

Cheers,
Wolfgang



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Il 30/05/2012 00:23, Wolfgang Dann ha scritto:
> It would be fine if the DLD could handle linker scripts,
> or at least would generate an appropriate error message.

You're right.  The plan here is to drop <library> and require a small
wrapper module taking care of the linking, similar to what GTK+ already
does.  There will be a program gst-ldflags2c that generates the code
from the linker flags.

Paolo

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