Reduce relocations issues on ARM

[Volker Krause]

On Tuesday 11 September 2012 08:12:52 Laszlo Papp wrote:
> Hi,
> 
> Trying to build the kde-frameworks branch on ARM, but I am facing the issue
> below. I had the impression the reduce_relocations changes in Qt5 is
> managed by cmake from the version 2.8.9 which I have been using in this
> environment. I have been using the Qt Beta 1 packages.
> 
> Any help welcome. Thank you in advance. :)
> 
> Laszlo
> 
> make
> [  0%] Automoc for target kdeqt5staging
> [  0%] Built target kdeqt5staging_automoc
> [  0%] Built target kdeqt5staging
> [  0%] Automoc for target tst_qsavefile
> [  0%] Built target tst_qsavefile_automoc
> [  0%] Building CXX object
> libkdeqt5staging/autotests/CMakeFiles/tst_qsavefile.dir/tst_qsavefile.cpp.o
> In file included from
> /scratchbox/users/lpapp/home/lpapp/git/kdelibs/libkdeqt5staging/autotests/..
> /../kde_qt5_compat.h:23, from
> /scratchbox/users/lpapp/home/lpapp/git/kdelibs/libkdeqt5staging/autotests/ts
> t_qsavefile.cpp:43: /opt/qt5/include/QtCore/qglobal.h:1084: error: #error
> "You must build your code with position independent code if Qt was built
> with
> -reduce-relocations. " "Compile your code with -fPIC or -fPIE."

^^^ This is not limited to ARM btw, I got the same on x86. I worked around 
this for now by adding -fPIC to my compiler flags. Latest CMake indeed has the 
solution for this, but it apparently needs to be enabled explicitly in 
kdelibs, which I think isn't done yet.

regards,
Volker
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