[cmake-developers] [CMake 0015934]: There's no way to test whether a given *linker* flag works

Mantis Bug Tracker mantis at public.kitware.com
Tue Jan 26 02:58:12 EST 2016


The following issue has been SUBMITTED. 
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https://public.kitware.com/Bug/view.php?id=15934 
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Reported By:                Guy Harris
Assigned To:                
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Project:                    CMake
Issue ID:                   15934
Category:                   CMake
Reproducibility:            N/A
Severity:                   minor
Priority:                   normal
Status:                     new
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Date Submitted:             2016-01-26 02:58 EST
Last Modified:              2016-01-26 02:58 EST
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Summary:                    There's no way to test whether a given *linker* flag
works
Description: 
There are macros to test whether a given *compiler* flag works, such as
CHECK_C_COMPILER_FLAG and CHECK_CXX_COMPILER_FLAG.

There is no macro to test whether a given *linker* flag works.

Furthermore, there does not appear to be a way to do a CHECK_C_SOURCE_RUNS with
a given *linker* flag, so there does not appear to be a way to *write* a macro
to test whether a given linker flag works.  Setting CMAKE_REQUIRED_FLAGS does
*not* affect what flags are used with, for example, the Xcode generator; it
works with the Unix makefile generator, but that's not sufficient to support
multiple build systems.
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Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2016-01-26 02:58 Guy Harris     New Issue                                    
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