# Dpkg::BuildEnv - perldoc - [phpMan]

## NAME
    [Dpkg::BuildEnv](https://www.chedong.com/phpMan.php/perldoc/Dpkg%3A%3ABuildEnv/markdown) - track build environment

## DESCRIPTION
    The [Dpkg::BuildEnv](https://www.chedong.com/phpMan.php/perldoc/Dpkg%3A%3ABuildEnv/markdown) module is used by dpkg-buildflags to track the build environment variables
    being used and modified.

    Note: This is a private module, its API can change at any time.

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

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

### has
        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.