This defines a 'UseLaunchers' CTest configuration option. When enabled,
CTest skips log scraping from the Build step output. Instead it defines
the environment variable CTEST_LAUNCH_LOGS to a log directory during the
build. After the build it looks for error-*.xml and warning-*.xml files
containing fragments for inclusion in Build.xml and submission.
This is useful in conjuction with 'ctest --launch' and the RULE_LAUNCH_*
properties to get reliable, highly-granular build failure reports.
This divides cmCTestBuildHandler::GenerateDartBuildOutput into three
methods to generate the header, content, and footer components of
Build.xml files. It will allow the content generation to be replaced
later.
Brad King
Bill Hoffman
Andy Cedilnik
Ken Martin