many places that you would use LOCATION you can use generator expressions http://www.cmake.org/cmake/help/v3.0/manual/cmake-generator-expressions.7.html
$<TARGET_FILE_DIR:targetname> On Tue, Apr 28, 2015 at 12:30 AM, Alan W. Irwin <[email protected]> wrote: > Hi Nils: > > Thanks for your quick reply. More below in context. > > > On 2015-04-28 08:45+0200 Nils Gladitz wrote: > > On 04/28/2015 08:00 AM, Alan W. Irwin wrote: >> >>> The Qt5 cmake documentation at >>> <http://doc.qt.io/qt-5/cmake-manual.html> which Steve has referred me >>> to before states you should use the LOCATION property of targets to >>> determine the actual path to libraries. The PLplot build system >>> requires those locations so it can transform them into the -L and -l >>> form required to generate its pkg_config *.pc files. >>> >>> Some time ago I got this process to work fine for CMP0026 OLD and Qt5, >>> but >>> what is the alternative I should use for the CMP0026 NEW case (which >>> disallows using the LOCATION property for targets)? >>> >>> Note PLplot uses a minimum CMake version of 3.0.2 so I am looking for >>> a CMP0026 NEW solution that works for that version or above for Qt5. >>> >> >> CMP0026 only applies to build targets. >> >> The location of build targets is still in flux during configuration which >> is why getting the location of those during configuration time is unsafe. >> >> For imported targets this does not apply since their location is fixed. >> > > OK. Thanks, for pointing that out. Could you make that more obvious > in <http://www.cmake.org/cmake/help/v3.2/policy/CMP0026.html>, i.e. > change the summary line from > > Disallow use of the LOCATION target property. > > ==> > > Disallow use of the LOCATION property for build targets. > > I took that summary line to mean exactly what it said and just plain > missed the reference to build targets that is in the first paragraph > of that documenation. > > >> For which configuration LOCATION returns isn't defined but I suppose that >> may not matter for pkg-config. >> >> Otherwise you may want to look into LOCATION_<CONFIG>. >> > > I don't understand exactly what you mean by "configuration LOCATION > returns". From what you said that term means something different from > LOCATION_<CONFIG> and in any case is not relevant to my use case of > generating pkg-config *.pc files with our build system, but I am > nevertheless curious about what you meant.) > > Alan > __________________________ > Alan W. Irwin > > Astronomical research affiliation with Department of Physics and Astronomy, > University of Victoria (astrowww.phys.uvic.ca). > > Programming affiliations with the FreeEOS equation-of-state > implementation for stellar interiors (freeeos.sf.net); the Time > Ephemerides project (timeephem.sf.net); PLplot scientific plotting > software package (plplot.sf.net); the libLASi project > (unifont.org/lasi); the Loads of Linux Links project (loll.sf.net); > and the Linux Brochure Project (lbproject.sf.net). > __________________________ > > Linux-powered Science > __________________________ > -- > > Powered by www.kitware.com > > Please keep messages on-topic and check the CMake FAQ at: > http://www.cmake.org/Wiki/CMake_FAQ > > Kitware offers various services to support the CMake community. For more > information on each offering, please visit: > > CMake Support: http://cmake.org/cmake/help/support.html > CMake Consulting: http://cmake.org/cmake/help/consulting.html > CMake Training Courses: http://cmake.org/cmake/help/training.html > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Follow this link to subscribe/unsubscribe: > http://public.kitware.com/mailman/listinfo/cmake-developers >
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