rpath problems with kdevplatform

[Alexander Neundorf]

On Saturday 26 June 2010, Andreas Pakulat wrote:
> On 21.06.10 23:30:46, Andreas Pakulat wrote:
> > On 21.06.10 21:29:14, Alexander Neundorf wrote:
> > > On Sunday 20 June 2010, Andreas Pakulat wrote:
> > > > On 20.06.10 13:27:30, Thiago Macieira wrote:
> > > > > Em Domingo 20. Junho 2010, às 13.07.15, Andreas Pakulat escreveu:
> > > > > > Hi,
> > > > > >
> > > > > > I'm running into weird issues with cmake 2.8.1 and its
> > > > > > rpath-handling. First thing I found was that
> > > > > > FindKDE4Internal.cmake from Debian sets
> > > > > > CMAKE_INSTALL_RPATH_USE_LINK_PATH to false, but even after that
> > > > > > cmake_install.cmake files in kdevplatform all have code to do
> > > > > > RPATH_REMOVE instead of RPATH_CHANGE. I'm just running cmake
> > > > > > -DCMAKE_INSTALL_PREFIX=$HOME/kdevelop
> > > > > >
> > > > > > Doing the same thing with kdevelop (which depends on
> > > > > > kdevplatform) shows no problem, the cmake_install.cmake has the
> > > > > > proper FILE(RPATH_CHANGE calls.
> > > > > >
> > > > > > Anybody an idea where I should go hunting from here? There must
> > > > > > be some difference between the two projects, but I can't see
> > > > > > what.
> > > > >
> > > > > I don't understand what the problem is.
> > > > >
> > > > > Debian disables rpath. That's intentional.
> > > >
> > > > Actually its not, what they don't want is rpath on stuff installed to
> > > > /usr. Anyway, thats not the point of my writing, the point is that
> > > > even after adjusting the relevant setting in FindKDE4Internal.cmake
> > > > (to match the one in svn) I still get no rpath for one project, but
> > > > do get rpath for the other. And I don't understand why or where to
> > > > look for differences in the projects that would influence this.
> > >
> > > The global settings are done in FindKDE4Internal.cmake after line 996.
> > > They can be overridden locally by projects by setting these cmake
> > > variables again or by setting the corresponding target properties.
> >
> > Yeap, thats what I've done now for kdevplatform and kdevelop, but seems
> > only one is in effect...
> >
> > > What's the complete link line for the case that you don't get an RPATH
> > > ?
> >
> > /usr/bin/c++  -fPIC  -Wnon-virtual-dtor -Wno-long-long -ansi -Wundef
> > -Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith
> > -Wformat-security -fno-exceptions -DQT_NO_EXCEPTIONS -fno-check-new
> > -fno-common -Woverloaded-virtual -fno-threadsafe-statics
> > -fvisibility=hidden -fvisibility-inlines-hidden -O2 -g -DNDEBUG
> > -DQT_NO_DEBUG -Wl,--enable-new-dtags -Wl,--fatal-warnings
> > -Wl,--no-undefined -lc  -shared -Wl,-soname,kcm_kdev_ccsettings.so -o
> > ../../lib/kcm_kdev_ccsettings.so
> > CMakeFiles/kcm_kdev_ccsettings.dir/kcm_kdev_ccsettings_automoc.o
> > CMakeFiles/kcm_kdev_ccsettings.dir/ccpreferences.o
> > CMakeFiles/kcm_kdev_ccsettings.dir/ccconfig.o
> > /usr/lib/libkutils.so.4.4.0 /usr/lib/libkdeui.so.5.4.0
> > ../../lib/libkdevplatforminterfaces.so.2.0.0
> > ../../lib/libkdevplatformshell.so.2.0.0 /usr/lib/libktexteditor.so.4.4.0
> > ../../lib/libkdevplatforminterfaces.so.2.0.0 /usr/lib/libkutils.so.4.4.0
> > /usr/lib/libktexteditor.so.4.4.0 /usr/lib/libkparts.so.4.4.0
> > /usr/lib/libQtDesigner.so /usr/lib/libkio.so.5.4.0
> > /usr/lib/libQtNetwork.so /usr/lib/libQtXml.so /usr/lib/libkdeui.so.5.4.0
> > /usr/lib/libkdecore.so.5.4.0 /usr/lib/libQtDBus.so /usr/lib/libQtCore.so
> > /usr/lib/libQtGui.so /usr/lib/libQtSvg.so
> > -Wl,-rpath,/home/andreas/src/build/kdevplatform/lib:
> > -Wl,-rpath-link,/home/andreas/src/build/kdevplatform/lib
> >
> > That looks fine to me and in fact ldd on the module in the builddir
> > finds all libs from the builddir. But when doing a make install
> > VERBOSE=1 I see:
> > -- Installing: /home/andreas/kdevelop/lib/kde4/kcm_kdev_ccsettings.so
> > -- Removed runtime path from
> > "/home/andreas/kdevelop/lib/kde4/kcm_kdev_ccsettings.so"
>
> Ping? Any further ideas on this? Could someone at least point me to the
> source code in cmake that decides wether to add RPATH_REMOVE or
> RPATH_REPLACE to the cmake_install.cmake file?

Hmm, I'd also have to grep for it...

Will you be at Akademy ?

Alex