[CMake] Problems with CMP0037

[Alan W. Irwin]

On 2014-11-02 18:52+0100 Andreas Naumann wrote:

> Hi Alan,
>
> with cmake 2.8.12.1 I can confirm this behavior at least for Makefile 
> generator on Linux, see the attached small CMakeLists.txt. But what would be 
> a better behavior? Changing the target name would change the output at end. 
> So the user would have to figure out, what changed why. At this point, I 
> would prefer the current behavior, because cmake does at least with the 
> Makefile generator, the same thing as the user writes.
> So the warning is  appropriate.

Absolutely!  For now, a warning is essential because bad things could
happen for target names with slashes in them that propagate to the
filename level on Unix platforms.  But all I am saying is in the
long-term it would be a good idea to make it impossible for those bad
things to happen so the current constraints on what is allowed for
target names could be relaxed.

Alan
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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).
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Linux-powered Science
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