the targets given on the command line (respectively "all", if none
has been given). The contents of the variable can be changed from
within the Jamrules/Jamfiles. The targets that are in JAM_TARGETS
after Jamfile parsing is done, are those that will be built (and their
dependencies, of course). This allows for interesting build system
features.
git-svn-id: file:///srv/svn/repos/haiku/buildtools/trunk@16345 a95241bf-73f2-0310-859d-f6bbb57e9c96