# Dpkg::Build::Env - phpMan

## NAME
    [Dpkg::Build::Env] - track build environment

## DESCRIPTION
    The [Dpkg::Build::Env] module is used by dpkg-buildflags to track the
    build environment variables being used and modified.

## FUNCTIONS
    set($varname, $value)
        Update the build environment variable $varname with value $value.
        Record it as being accessed and modified.

    get($varname)
        Get the build environment variable $varname value. Record it as
        being accessed.

    has($varname)
        Return a boolean indicating whether the environment variable exists.
        Record it as being accessed.

    @list = list_accessed()
        Returns a list of all environment variables that have been accessed.

    @list = list_modified()
        Returns a list of all environment variables that have been modified.

## CHANGES
  Version 0.xx
    This is a private module.