Dpkg::BuildFlags(3perl) - phpMan

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Dpkg::BuildFlags(3perl)                    libdpkg-perl                   Dpkg::BuildFlags(3perl)

NAME
       Dpkg::BuildFlags - query build flags

DESCRIPTION
       This class is used by dpkg-buildflags and can be used to query the same information.

METHODS
       $bf = Dpkg::BuildFlags->new()
           Create a new Dpkg::BuildFlags object. It will be initialized based on the value of
           several configuration files and environment variables.

       $bf->load_vendor_defaults()
           Reset the flags stored to the default set provided by the vendor.

       $bf->load_system_config()
           Update flags from the system configuration.

       $bf->load_user_config()
           Update flags from the user configuration.

       $bf->load_environment_config()
           Update flags based on user directives stored in the environment. See
           dpkg-buildflags(1) for details.

       $bf->load_maintainer_config()
           Update flags based on maintainer directives stored in the environment. See
           dpkg-buildflags(1) for details.

       $bf->load_config()
           Call successively load_system_config(), load_user_config(), load_environment_config()
           and load_maintainer_config() to update the default build flags defined by the vendor.

       $bf->unset($flag)
           Unset the build flag $flag, so that it will not be known anymore.

       $bf->set($flag, $value, $source, $maint)
           Update the build flag $flag with value $value and record its origin as $source (if
           defined). Record it as maintainer modified if $maint is defined and true.

       $bf->set_feature($area, $feature, $enabled)
           Update the boolean state of whether a specific feature within a known feature area has
           been enabled. The only currently known feature areas are "future", "qa", "sanitize",
           "hardening" and "reproducible".

       $bf->strip($flag, $value, $source, $maint)
           Update the build flag $flag by stripping the flags listed in $value and record its
           origin as $source (if defined). Record it as maintainer modified if $maint is defined
           and true.

       $bf->append($flag, $value, $source, $maint)
           Append the options listed in $value to the current value of the flag $flag.  Record
           its origin as $source (if defined). Record it as maintainer modified if $maint is
           defined and true.

       $bf->prepend($flag, $value, $source, $maint)
           Prepend the options listed in $value to the current value of the flag $flag.  Record
           its origin as $source (if defined). Record it as maintainer modified if $maint is
           defined and true.

       $bf->update_from_conffile($file, $source)
           Update the current build flags based on the configuration directives contained in
           $file. See dpkg-buildflags(1) for the format of the directives.

           $source is the origin recorded for any build flag set or modified.

       $bf->get($flag)
           Return the value associated to the flag. It might be undef if the flag doesn't exist.

       $bf->get_feature_areas()
           Return the feature areas (i.e. the area values has_features will return true for).

       $bf->get_features($area)
           Return, for the given area, a hash with keys as feature names, and values as booleans
           indicating whether the feature is enabled or not.

       $bf->get_origin($flag)
           Return the origin associated to the flag. It might be undef if the flag doesn't exist.

       $bf->is_maintainer_modified($flag)
           Return true if the flag is modified by the maintainer.

       $bf->has_features($area)
           Returns true if the given area of features is known, and false otherwise.  The only
           currently recognized feature areas are "future", "qa", "sanitize", "hardening" and
           "reproducible".

       $bf->has($option)
           Returns a boolean indicating whether the flags exists in the object.

       @flags = $bf->list()
           Returns the list of flags stored in the object.

CHANGES
   Version 1.04 (dpkg 1.20.0)
       New method: $bf->unset().

   Version 1.03 (dpkg 1.16.5)
       New method: $bf->get_feature_areas() to list possible values for $bf->get_features.

       New method $bf->is_maintainer_modified() and new optional parameter to $bf->set(),
       $bf->append(), $bf->prepend(), $bf->strip().

   Version 1.02 (dpkg 1.16.2)
       New methods: $bf->get_features(), $bf->has_features(), $bf->set_feature().

   Version 1.01 (dpkg 1.16.1)
       New method: $bf->prepend() very similar to append(). Implement support of the prepend
       operation everywhere.

       New method: $bf->load_maintainer_config() that update the build flags based on the package
       maintainer directives.

   Version 1.00 (dpkg 1.15.7)
       Mark the module as public.

1.21.1                                      2025-09-09                    Dpkg::BuildFlags(3perl)

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