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Dir::Project provides a way to locate a source-controlled directory (CVS, Subversion, Perforce, etc) using only the current working directory (cd). This prevents users from having to set other environment variables when they switch between areas, and allows scripts and such inside the directory to be executed without changing the user's PATH.

Env::Path presents an object-oriented interface to path variables, defined as that subclass of environment variables which name an ordered list of filesystem elements separated by a platform-standard separator (typically ':' on UNIX and ';' on Windows).

The Exporter module implements an "import" method which allows a module to export functions and variables to its users' namespaces. Many modules use Exporter rather than implementing their own "import" method because Exporter provides a highly flexible interface, with an implementation optimised for the common case.

ExtUtils::AutoInstall lets module writers to specify a more sophisticated form of dependency information than the PREREQ_PM option offered by ExtUtils::MakeMaker. This module works best with the Module::Install framework, a drop-in replacement for MakeMaker.

The goal of this module is to offer a simple queue system using the underlying filesystem for storage, security and to prevent race conditions via atomic operations. It focuses on simplicity, robustness and scalability.

ExtUtils::Config is an abstraction around the %Config hash.

ExtUtils::Constant facilitates generating C and XS wrapper code to allow perl modules to AUTOLOAD constants defined in C library header files. It is principally used by the h2xs utility, on which this code is based. It doesn't contain the routines to scan header files to extract these constants.

It's often inconvenient to correctly create a platform-independent temporary storage space, manipulate files inside it, then clean it up. This module aims to eliminate that problem by making it easy to do things right.

Declare version conflicts for your dist

ExtUtils::Helpers provides various portable helper functions for module building modules.