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Linking problem

 
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stanleyxu2005



Joined: 20 Jul 2009
Posts: 3
PostPosted: Thu Oct 29, 2009 1:25 pm    Post subject: Linking problem Reply with quote
Hi All,

I have almost built the first demo, but ...
The components I have are as follows:
1. QtK SDK (LGPL edition) 4.5.3
2. the latest svn version of QtD (trunk-r309.zip)
3. DMD 1.050
4. Tango (current from trunk)
5. Platform: openSUSE 11.1.
6. cmake 2.6

After QtD was built successfully, I try to compile the demo (http://www.dsource.org/projects/qtd/wiki/MacCaseStudy)

I got many linking errors:
Code:
../../../../build_dir/build/lib/libqtdgui.a(QPrintDialog_shell.cpp.o): In function `qtd_QPrintDialog_setOption_PrintDialogOption_bool':
QPrintDialog_shell.cpp:(.text+0x20b): undefined reference to `QPrintDialog::setOption(QAbstractPrintDialog::PrintDialogOption, bool)'
../../../../build_dir/build/lib/libqtdgui.a(QPrintDialog_shell.cpp.o): In function `qtd_QPrintDialog_options':
QPrintDialog_shell.cpp:(.text+0x22b): undefined reference to `QPrintDialog::options() const'


There are many undefined references. I checked the source and the '.a' files. These functions are defined correctly.

Have I still forget something by linking the demo or building the library?

Any hint is welcome Cool
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stanleyxu2005



Joined: 20 Jul 2009
Posts: 3
PostPosted: Fri Oct 30, 2009 8:30 am    Post subject: Reply with quote
I have solve the problem by myself. Cool Cool Cool

There are two set of libQtXXXX in my Linux system.
  • A copy of Qt 4.4.3 (from my Linux installation) at "/usr/lib"
  • A copy of Qt 4.5.3 SDK at "/qt_sdk/lib"

Even when I try the command
Code:
dmd main.d -I/myinc -L-L/qt_sdk/lib -L-lQtCore -L-lqtcore

It searchs into "/usr/lib" for "libQtCore.so" at first.

I renamed "libQtCore.so" to "libQtCoreSDK.so", the problem was solved.

I hope this helps some other guys as well. Have fun with QtD.
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