[CMake] Zero coverage being reported on gcc/Linux builds.

[David Cole]

Ugh. You're probably doing everything right, and there's just a bug of some
sort. Unfortunately, debugging these things is neither easy nor fun.

First, look for Coverage*.log files in the Testing/ subdirectories of your
build tree. Are there any errors mentioned in there?

Next, verify that there are some *.gcda files in the build tree:
  find . -name *.gcda

There is a known/reported issue with the coverage not reporting correctly
right now for gcc 4.7, but this is the first problem I've heard of with an
earlier gcc...

  http://public.kitware.com/Bug/view.php?id=13121



On Mon, Apr 23, 2012 at 5:18 PM, Kent Williams <nkwmailinglists at gmail.com>wrote:

> cmake: 2.8.6
> gcc/g++: 4.4.6-3
> Red Hate Enterprise Linux 6.2
>
> I follow the instructions here: http://www.cmake.org/Wiki/CTest/Coverage
>
> And I have 2 different dashboards that report zero coverage:
>
>
> http://testing.psychiatry.uiowa.edu/CDash/index.php?project=BRAINSStandalone
> http://testing.psychiatry.uiowa.edu/CDash/index.php?project=ANTS
>
> I don't know what's going on because I remember coverage working, and
> it's obviously doing something for other projects, e.g. ITK:
> http://public.kitware.com/dashboard.php?name=itk
>
> Call me an idiot, but I can follow instructions, and following the
> instructions I can find isn't doing the trick.
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