You just specify the “basename” of the library, so something like this:

find_library (timer NAMES timer PATHS your/library/directory)
target_link_libraries(test timer)

And Cmake takes care of the rest. It’s even easier if “timer” is also part of 
the same CMake-generated build system. In that case, the find_library isn’t 
even needed.

Things do get a little more complicated when you want to distinguish between 
release/debug variants of the same library. For that you can use the DEBUG and 
OPTIMIZED keywords of target_link_libraries().


Parag Chandra
Senior Software Engineer, Mobile Team
Mobile: +1.919.824.1410

[https://www.ionicsecurity.com/IonicSigHz.png]<https://ionic.com>

Ionic Security Inc.
1170 Peachtree St. NE STE 400, Atlanta, GA 30309











From: <Ette>, "Anthony (CDS)" 
<anthony.r.e...@controlsdata.com<mailto:anthony.r.e...@controlsdata.com>>
Date: Tuesday, August 18, 2015 at 2:29 PM
To: "CMake@cmake.org<mailto:CMake@cmake.org>" 
<CMake@cmake.org<mailto:CMake@cmake.org>>
Subject: [CMake] Imported libraries and cross platform target names

Given that add_library() produces a unique filename per platform (the “actual 
file name of the library built is constructed based on conventions of the 
native platform (such as lib<name>.a or<name>.lib”), how does one add the 
library to the final application without having to deal with the filename 
difference?  In other words, I’ve got one library that, by default, produces 
‘libtest.a’ on Linux and ‘test.lib’ on Windows.  How can I add this imported 
library into the final application in a cross platform manner?  I know I can 
specify two different imported locations (see below), but it seems odd to me 
that Cmake – the cross-platform build env generator – doesn’t have a better 
native way of dealing with this….

The snippet below will work, but just seems wrong given the nature of what 
CMake is intended to do…is there a better way that I’m missing?!  If not, can I 
request that a future release of Cmake handle platform naming convention 
difference internally when invoking ADD_LIBRARY with the IMPORTED tag set?  Ok 
so, to be fair, Cmake can be used to cross compile and that certainly 
complicates my feature request but, when not cross compiling, CMake knows what 
platform it’s being executed on so it should be able to resolve static archive 
platform decorations internally.

ADD_LIBRARY(testSTATICIMPORTED)
if(WIN32)
   SET_PROPERTY(TARGETtestPROPERTYIMPORTED_LOCATION ${LIB_D}/timer.lib)
endif()
if(UNIX)
   SET_PROPERTY(TARGETtest PROPERTYIMPORTED_LOCATION ${LIB_D}/libtimer.a)
endif()

Thanks in advance,
Anthony Ette
Control Systems Engineer

Rolls-Royce Controls and Data Services
7661 N Perimeter Rd
Indianapolis, IN 46241
tel: +1 (317) 230-6943
mob: +1 (317) 864-7975
email: anthony.r.e...@controlsdata.com<mailto:anthony.r.e...@controlsdata.com>

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