[cmake-developers] A dashboard that reveals a ctest issue on Windows when there are no tests

Alan W. Irwin Alan.W.Irwin1234 at gmail.com
Wed Dec 5 15:37:12 EST 2018

On 2018-12-05 09:22-0500 Brad King via cmake-developers wrote:

> On 12/4/18 4:08 PM, Alan W. Irwin wrote:
>>   Build Warnings (1)
>> *** WARNING non-zero return value in ctest from: C:\cmake-3.13.1-win64-x64\bin\cmake.exe
> That's in the "Build" section and indicates that the build command
> exited with non-zero status.  If you want to try to reproduce that
> by hand, run the `cmake --build . --config Debug` command rather
> than `ctest`.
> `cmake --build`'s exit code just forwards from the native build tool.
> It may be that MSBuild has chosen to exist with non-zero for some reason.

Hi Brad:

Did you mean "ctest --build-and-test ..." rather than "cmake --build
..."?  I assume if the build part of "ctest --build-and-test ..."
returned with some non-zero return code, then you would get a message
like the above that mentions ctest in a way that implies it is running
the show.  But I cannot see any way you could get such a WARNING
message from "cmake --build ...".  I hasten to add that I have been
completely content over the years to use cmake, make, and ctest
separately, and I have no experience using them in an
integrated way (e.g., "cmake --build ..."  or "ctest --build-and-test
..."). So my comment is based on my quick reading the appropriate
sections of the man pages for cmake and ctest this morning, and I may
have missed some way that a cmake command could generate what appears
to be a message from ctest.

Alan W. Irwin

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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