[PyQt] QtHelp module doesn't build

Phil Thompson phil at riverbankcomputing.com
Sat Dec 24 21:49:35 GMT 2011


On Sat, 24 Dec 2011 04:21:06 +0100, Andrea Scarpino <andrea at archlinux.org>
wrote:
> Hi all,
> just to let you know that, using the qt 4.8, the QtHelp module in pyqt
> doesn't build anymore because of this error:
> 
> Checking to see if the QtHelp module should be built...
> g++ -DQT_NO_DEBUG -I. -I/usr/mkspecs/linux-g++ -I/usr/include/QtHelp
> -I/usr/include -m64 -pipe -O2 -w -D_REENTRANT cfgtest_QtHelp.cpp -o
> cfgtest_QtHelp -L/usr/lib -m64
> -Wl,-O1,--sort-common,--as-needed,-z,relro,--hash-style=gnu -Wl,-O1
> -lQtHelp -lpthread
> /usr/bin/ld: /tmp/ccgQLxOv.o: undefined reference to symbol
> 'QString::fromAscii_helper(char const*, int)'
> /usr/bin/ld: note: 'QString::fromAscii_helper(char const*, int)' is
> defined in DSO /usr/lib/libQtCore.so.4 so try adding it to the linker
> command line
> /usr/lib/libQtCore.so.4: could not read symbols: Invalid operation
> collect2: ld returned 1 exit status
> 
> I had to patch the configure script with this line so the qthelp
> module loads the qtcore libraries when building.
> 
> --- PyQt-x11-gpl-4.9/configure.py~      2011-12-23 14:53:07.981490550
+0100
> +++ PyQt-x11-gpl-4.9/configure.py       2011-12-23 14:52:38.384984221
+0100
> @@ -1264,7 +1264,7 @@
>     opengl = (mname == "QtOpenGL")
> 
>     qt = [mname]
> -    if mname in ("QtOpenGL", "QtWebKit"):
> +    if mname in ("QtHelp", "QtOpenGL", "QtWebKit"):
>         qt.append("QtCore")
> 
>     makefile = sipconfig.ProgramMakefile(sipcfg, console=1, qt=qt,
>     warnings=0,

Works fine for me.

Phil


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