[Kde-bindings] making smoke/korundum generate bindings for other things?

[Gábor Lehel]

On 6/22/05, Richard Dale <Richard_Dale at tipitina.demon.co.uk> wrote:
> On Wednesday 22 June 2005 20:07, Gábor Lehel wrote:
> > Hi,
> > how hardwired is smoke/korundum to the existing kdelibs? eg, if I
> > wanted to make it generate bindings for kdenonbeta/kcanvas, how hard
> > would it be? (and how would I go about it?)
> > I tried doing it the 'dumb way' (eg, without trying to figure out how
> > any of it actually works) by making a symlink for kdenonbeta/kcanvas
> > at kdelibs/kcanvas, and adding all the headers to
> > smoke/kde/kde_headers_list, lines for all the classes to
> > kalyptus/kalyptusDataDict.pm, and finally adding -lkcanvas to
> > smoke/kde/Makefile.am, and it even compiled, but it doesn't seem to
> > have actually had any effect (eg, no classes called KDE::Canvas*).
> > the reason i want to do this is that kcanvas looks cool and I want to
> > play around with it, and playing around is much funner in ruby =).
> You don't need to add the classes to kalyptus/kalyptusDataDict.pm, but other
> than that what you did should have worked. Is KCanvas in a namespace, is that
> the problem?
No, it's not in a namespace. It seems the problem was actually that I
included the leading kcanvas/ in the path for all the headers in
kde_headers_list. Removing them seems to have had some effect, namely
that it now fails to compile: (tried making clean and all that)

make[1]: Entering directory `/opt/kde/build/KDE/kdebindings/korundum/bin'
/bin/sh ../../libtool --silent --mode=link --tag=CXX g++ 
-Wnon-virtual-dtor -Wno-long-long -Wundef -ansi -D_XOPEN_SOURCE=500
-D_BSD_SOURCE -Wcast-align -Wconversion -Wchar-subscripts -Wall -W
-Wpointer-arith -Wno-non-virtual-dtor -g3 -fno-inline
-Wformat-security -Wmissing-format-attribute -fno-exceptions
-fno-check-new -fno-common    -o krubyinit -module -L/opt/kde/dest/lib
-L/usr/qt/3/lib -L/usr/lib    -version-info 0:0:0
-L/opt/kde/src/KDE/kdebindings/smoke/kde/ -L/usr/lib krubyinit.o 
-Wl,-R -Wl,/usr/lib -L/usr/lib -L. -lruby18
../../smoke/kde/libsmokekde.la
../../qtruby/rubylib/qtruby/libqtrubyinternal.la
libtool: link: warning: `-version-info' is ignored for programs
/opt/kde/dest/lib/libkcanvas.so: undefined reference to
`KRenderingDevice::pushContext(KRenderingDeviceContext*)'
/opt/kde/dest/lib/libkcanvas.so: undefined reference to
`KRenderingDevice::popContext()'
/opt/kde/dest/lib/libkcanvas.so: undefined reference to
`KRenderingDeviceContext::setStyle(KRenderingStyle*)'
/opt/kde/dest/lib/libkcanvas.so: undefined reference to
`KRenderingFillPainter::paintServer() const'
/opt/kde/dest/lib/libkcanvas.so: undefined reference to
`KRenderingDevice::setCurrentPath(void*)'
/opt/kde/dest/lib/libkcanvas.so: undefined reference to
`KRenderingStrokePainter::paintServer() const'
/opt/kde/dest/lib/libkcanvas.so: undefined reference to
`KRenderingDeviceContext::setCanvas(KCanvas*)'
/opt/kde/dest/lib/libkcanvas.so: undefined reference to
`KRenderingDevice::currentPath() const'
/opt/kde/dest/lib/libkcanvas.so: undefined reference to
`KRenderingDevice::currentContext()'
/opt/kde/dest/lib/libkcanvas.so: undefined reference to
`KRenderingDeviceContext::setPath(void*)'
collect2: ld returned 1 exit status
make[1]: *** [krubyinit] Error 1
make[1]: Leaving directory `/opt/kde/build/KDE/kdebindings/korundum/bin'
make: *** [all-recursive] Error 1

I'm completely ignorant with regards to how the whole linking thing
works... any idea what the problem could be? Thanks for the help.

> 
> It's certainly important to be able to wrap all the kde apis, but the Smoke
> library needs to be made more modular to be able to do that. So it might not
> be possible until we have a new version of Smoke for KDE 4.
> 
> -- Richard
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