* Enable _GLIBCXX_ASSERTIONS in Debug mode

This allows easier debugging as all lines can be reached. The tsan build uses
"-o1" for performance reasons.
For asan and Debug build we use "-o0", which includes this flag, and for the
release builds we want as much optimisation we can get.

commit bbaca899
Merge: 32b422c3 5b15810e
Author: Jens Georg <jens.georg@desy.de>
Date:   Mon Mar 14 12:42:01 2022 +0100

    Merge pull request #14 from ChimeraTK/consolidate-coverage-options

    Consolidate coverage options

commit 5b15810e
Author: Jens Georg <jens.georg@desy.de>
Date:   Fri Mar 4 11:49:13 2022 +0100

    Consolidate coverage options

     - Remove Makefile.coverage.in
     - Drop BUILD_COVERAGE_ON_DEBUG for ENABLE_COVERAGE_REPORT (defaults to
        on if included)
     - Add clean-gcda target

commit 32b422c3
Merge: 87781a23 8ff72125
Author: Martin Hierholzer <martin.hierholzer@desy.de>
Date:   Tue Feb 22 11:28:51 2022 +0100

    Merge branch 'master' of github.com:ChimeraTK/project-template

commit 87781a23
Author: Martin Hierholzer <martin.hierholzer@desy.de>
Date:   Tue Feb 22 11:28:28 2022 +0100

    project-template: update Doxyfile for doxygen version of Ubuntu 20.04

commit 8ff72125
Author: Dietrich Rothe <dietrich.rothe@desy.de>
Date:   Thu Jan 13 18:11:25 2022 +0100

    file GLOB with symlinks for settings file

    this is required for dcmctrl7 config

 - Remove Makefile.coverage.in
 - Drop BUILD_COVERAGE_ON_DEBUG for ENABLE_COVERAGE_REPORT (defaults to
    on if included)
 - Add clean-gcda target