Configuring the right options to build programs to work with the
libraries--especially shared libraries--installed on a POSIX system
can be very complicated.
Various utilies with names that end in config
can return command-line options for the
GNU Compiler Collection
&SCons; construction environments have a &ParseConfig; method
that executes a utility and configures
the appropriate construction variables
in the environment
based on the command-line options
returned by the specified command.
env = Environment()
env.ParseConfig("pkg-config")
&SCons; will execute the specified command string
and XXX
% scons -Q
scons: `.' is up to date.
Must specify package names on the command line
XXX