[webkit-qt] Linking error: pthreads, sqlite3 order to linker

[Vivek Galatage]

Thanks to @Arunprasad, I was able to build the qt webkit by just *replacing
-lpthread with -pthread *directly. This one I replaced manually.

So in order to make it permanent, I changed the mkspecs in *
/opt/Qt5.0.2/5.0.2/gcc_64/mkspecs/common/linux.conf* to use -pthread
instead of -lpthread and it worked fine.

Can somebody comment whether its right thing to do?

Thank you,
Vivek


On Wed, May 22, 2013 at 11:32 PM, Vivek Galatage <vivekg at webkit.org> wrote:

> Hello Qt-WebKit,
>
> I am trying to build qt webkit from ToT on Linux Mint 14.
>
> In that when it comes to linking with the following command:
> g++ -m64 -Wl,--gc-sections -Wl,--no-undefined -Wl,--no-undefined -Wl,-O1
> -Wl,-rpath,/opt/Qt5.0.2/5.0.2/gcc_64 -Wl,-rpath,/opt/Qt5.0.2/5.0.2/gcc_64
> -Wl,-rpath,/opt/Qt5.0.2/5.0.2/gcc_64/lib
> -Wl,-rpath-link,/opt/Qt5.0.2/5.0.2/gcc_64/lib -shared
> -Wl,-Bsymbolic-functions -Wl,-soname,libQt5WebKit.so.5 -o
> libQt5WebKit.so.5.2.0 -L/usr/X11R6/lib64 -L/opt/Qt5.0.2/5.0.2/gcc_64/lib
> -lQt5Network -lQt5Gui -L/usr/X11R6/lib64 -lQt5Core *-lpthread*-Wl,-whole-archive -lWebKit1 -Wl,-no-whole-archive
> -L/home/vivek/workspace/webkit/WebKitBuild/Release/Source/WebKit/
> -Wl,-whole-archive -lWebKit2QML -Wl,-no-whole-archive
> -L/home/vivek/workspace/webkit/WebKitBuild/Release/Source/WebKit2/
> -Wl,-whole-archive -lWebKit2 -Wl,-no-whole-archive -lrt -Wl,-whole-archive
> -lWebCore -Wl,-no-whole-archive
> -L/home/vivek/workspace/webkit/WebKitBuild/Release/Source/WebCore/ -lz
> -lXrender -lXcomposite -lXrender -Wl,-whole-archive -lANGLE
> -Wl,-no-whole-archive
> -L/home/vivek/workspace/webkit/WebKitBuild/Release/Source/ThirdParty/ANGLE/
> -Wl,-whole-archive -lJavaScriptCore -Wl,-no-whole-archive
> -L/home/vivek/workspace/webkit/WebKitBuild/Release/Source/JavaScriptCore/
> -Wl,-whole-archive -lWTF -Wl,-no-whole-archive
> -L/home/vivek/workspace/webkit/WebKitBuild/Release/Source/WTF/ -licui18n
> -licuuc -licudata -lXext -lX11 -lm -lX11 -lxslt -lxml2 -lxml2 -ludev -lrt
> *-lsqlite3* -lfontconfig -lQt5Quick -L/usr/X11R6/lib64 -lQt5Multimedia
> -L/usr/X11R6/lib64 -lQt5Qml -lQt5Sql -lQt5Gui -L/usr/X11R6/lib64
> -lQt5Network -lQt5Core -lGL
> I get a lot of errors for undefined reference to pthread_*.
>
> If you see the highlighted order above, pthread comes first before
> sqlite3. So while searching for resolution of the above error, I stumbled
> upon http://stackoverflow.com/a/11482524 which stated if we placed *pthread
> after sqlite* it resolves the problem.
>
> So I would like to know if there is anything wrong with my system setup or
> how to resolve this error as I need to manually enter the linking command
> every time.
>
> Thank you,
> Vivek
>
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