The following issue has been SUBMITTED. 
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http://public.kitware.com/Bug/view.php?id=15338 
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Reported By:                Matthias Maier
Assigned To:                
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Project:                    CMake
Issue ID:                   15338
Category:                   CMake
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     new
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Date Submitted:             2015-01-06 10:23 EST
Last Modified:              2015-01-06 10:23 EST
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Summary:                    Querying for (deprecated) LOCATION property prevents
expansion of TARGET_OBJECTS generator expression
Description: 
Consider the following minimal project:

foo.cc
    int main () {}

CMakeLists.txt$<TARGET_OBJECTS:foo>
    add_library(foo OBJECT foo.cc)
    add_executable(bar $<TARGET_OBJECTS:foo>)
    get_target_property(location bar LOCATION)

Starting with CMake 3.1 above example fails with an error message ("CMake Error:
CMake can not determine linker language for target: bar") because the generator
expression "$<TARGET_OBJECTS:foo>" does not get expanded and thus the final link
line is empty.

Not querying for the LOCATION property fixes this.
This bug is not present in CMake 3.0.* or 2.8.*.
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Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2015-01-06 10:23 Matthias Maier New Issue                                    
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