Re: [CMake] INTERFACE_LINK_LIBRARIES and CMP0028

2014-09-30 Thread Nils Gladitz

On 09/30/2014 09:58 AM, Mueller-Roemer, Johannes Sebastian wrote:

The behavior of the transitive INTERFACE_LINK_LIBRARIES combined with
CMP0028 seems very broken to me. For libraries using a module (such as
ZLIB), I can simply do a find_package in one of my libraries’
CMakeLists.txt and link to it in a different CMakeLists.txt without
issues. If I do the same with libraries using configs and IMPORTED
targets (such as Qt5), I cannot have my find_package at the place of use
but am forced to move it to the root CMakeLists.txt as I otherwise get
CMP0028 warnings. Is this actually intended behavior? Am I doing
something wrong? Shouldn’t INTERFACE_LINK_LIBRARIES just include the
actual libraries (and INTERFACE_INCLUDE_DIRECTORIES the actual include
directories) when linking to an imported target. These extra
dependencies between CMakeLists.txt are very ugly :/


If I understand correctly then this was fixed here:

http://www.cmake.org/gitweb?p=cmake.git;a=commitdiff;h=a272344228174958a8b2346793d3272eb432dad8

Which should be in 3.1 when it is released.

Nils
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[CMake] INTERFACE_LINK_LIBRARIES and CMP0028

2014-09-30 Thread Mueller-Roemer, Johannes Sebastian
The behavior of the transitive INTERFACE_LINK_LIBRARIES combined with CMP0028 
seems very broken to me. For libraries using a module (such as ZLIB), I can 
simply do a find_package in one of my libraries' CMakeLists.txt and link to it 
in a different CMakeLists.txt without issues. If I do the same with libraries 
using configs and IMPORTED targets (such as Qt5), I cannot have my find_package 
at the place of use but am forced to move it to the root CMakeLists.txt as I 
otherwise get CMP0028 warnings. Is this actually intended behavior? Am I doing 
something wrong? Shouldn't INTERFACE_LINK_LIBRARIES just include the actual 
libraries (and INTERFACE_INCLUDE_DIRECTORIES the actual include directories) 
when linking to an imported target. These extra dependencies between 
CMakeLists.txt are very ugly :/

--
Johannes S. Mueller-Roemer, MSc
Wiss. Mitarbeiter - Interactive Engineering Technologies (IET)

Fraunhofer-Institut für Graphische Datenverarbeitung IGD
Fraunhoferstr. 5  |  64283 Darmstadt  |  Germany
Tel +49 6151 155-606  |  Fax +49 6151 155-139
johannes.mueller-roe...@igd.fraunhofer.de  |  www.igd.fraunhofer.de

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