__doc__ = """bootstrap.py
-This script supports "bootstrap" execution of the current SCons in
-this local source tree by copying of all necessary Python scripts and
-modules from underneath the src/ subdirectory into a subdirectory (named
-"bootstrap/" by default), and then executing the copied SCons with the
-supplied command-line arguments.
+Execute SCons from this source tree. It copies Python scripts and modules
+from src/ subdirectory into a subdirectory named "bootstrap/" (by default),
+and executes SCons from there with the supplied command-line arguments.
-There are a handful of options that are specific to this bootstrap.py
-script and which are *not* passed on to the underlying SCons script.
-All of these begin with the string "bootstrap_":
+This is a minimal build of SCons to bootstrap the full build of all the
+packages, as specified in our local SConstruct file.
+Some options are specific to this bootstrap.py script and are *not* passed
+on to the SCons script. All of these begin with the string "bootstrap_":
Only updates the bootstrap subdirectory, and then exits.
-In addition to the above
options, the bootstrap.py script understands
+In addition to the above, the bootstrap.py script understands
the following SCons options:
Because we change directory right away to the specified directory,
the SCons script itself doesn't need to, so this option gets
"eaten" by the bootstrap.py script.
-This is essentially a minimal build of SCons to bootstrap ourselves into
-executing it for the full build of all the packages, as specified in our
script_dir = os.path.abspath(os.path.dirname(__file__))