Future EAPI/EAPI 6 tentative features

This is a working page that contains references to features that have been suggested for EAPI 6.

The following list of features accepted for or rejected from EAPI 6 is based on Gentoo Council meetings of 2014-06-10, 2014-06-17, 2014-06-24, 2014-09-09, 2014-10-14, and 2014-11-11.

New features

 * get_libdir
 * [PMS wording https://gitweb.gentoo.org/proj/pms.git/commit/?id=2377e8895cbf0787220c1468e8d8cec50b65b714]
 * Used in econf, but so far not available as separate PM function.
 * Used in econf, but so far not available as separate PM function.


 * einstalldocs
 * PMS wording


 * Query function for IUSE_EFFECTIVE
 * PMS wording


 * Patch applying function in package manager
 * PMS wording 1, 2
 * Needed for PATCHES support and user patches.
 * This duplicates epatch from eutils, in simplified form.
 * Name "eapply" has been suggested.
 * Name "eapply" has been suggested.


 * User patches
 * PMS wording 1, 2, 3
 * Name "eapply_user" has been suggested.
 * Will be called from default_src_prepare.
 * Will be called from default_src_prepare.


 * PATCHES support in default src_prepare
 * PMS wording

Enhancements of existing features

 * nonfatal die
 * PMS wording


 * Allow empty DOCS variable
 * PMS wording


 * Directory support for DOCS
 * PMS wording


 * Unpack .txz
 * PMS wording


 * Case-fold extensions in unpack
 * PMS wording


 * unpack accept absolute paths
 * PMS wording


 * Pass --docdir and --htmldir options to configure
 * PMS wording

Other changes

 * Bash 4.2
 * PMS wording


 * failglob in global scope
 * PMS wording
 * Only in global scope, not in local scope of functions
 * Only in global scope, not in local scope of functions


 * Ensure sane settings for LC_CTYPE and LC_COLLATE
 * PMS wording


 * Ban einstall
 * PMS wording
 * Current einstall will break when --docdir and --htmldir options are passed to configure (which has been accepted for EAPI 6).
 * Can be easily replaced by an emake call, and is used scarcely in the tree.
 * Can be easily replaced by an emake call, and is used scarcely in the tree.

Deferred to future EAPI

 * Runtime-switchable USE flags


 * Variant of || with defined runtime behaviour


 * Ban dohtml
 * Will be kept (deprecated) in EAPI 6.
 * Will be kept (deprecated) in EAPI 6.


 * Directory support for package* and use*
 * Not intended for gentoo-x86 tree, only to be used in overlays.
 * Not intended for gentoo-x86 tree, only to be used in overlays.

Rejected

 * EJOBS variable
 * gentoo-dev discussion
 * makeopts_jobs and makeopts_loadavg in multiprocessing.eclass provide similar functionality.
 * makeopts_jobs and makeopts_loadavg in multiprocessing.eclass provide similar functionality.


 * Source eclasses only once
 * gentoo-dev discussion
 * Alternative solution is already in place in eclasses.
 * Alternative solution is already in place in eclasses.


 * HDEPEND: host dependencies for cross-compilation


 * dohtml additional default suffixes