For large projects, the default bzip2 compression of gcov data is
prohibitively expensively (could take several hours). Introduce options
that allow the consumer to choose between file size and compression time.
Add a new optional argument `TARBALL_COMPRESSION` for the macro
`ctest_coverage_collect_gcov`. This option accepts the values `GZIP`,
`BZIP2`, `XZ`, `FROM_EXT`, or an expression that evaluates to `FALSE`.
The default value is `BZIP2` to preserve prior behavior.
Fixes: #20593
Running gcov once per .gcda file is not only inefficient, it also
generates wrong data since .gcov files can get overwritten and in
general gcov works with less information.
fakegcov.cmake needs to be able to handle multiple .gcda files for the
test to be meaningful.
Run the `Utilities/Scripts/clang-format.bash` script to update
all our C++ code to a new style defined by `.clang-format`.
Use `clang-format` version 3.8.
* If you reached this commit for a line in `git blame`, re-run the blame
operation starting at the parent of this commit to see older history
for the content.
* See the parent commit for instructions to rebase a change across this
style transition commit.
Teach CTestCoverageCollectGCOV to honor the
CTEST_EXTRA_COVERAGE_GLOB variable. When this variable is set,
this module will glob for matching source files that were not
covered and include them in the resulting tar file.
Kelly (KT) Thompson