Part III. Package Formats
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Part III. Package Formats
Table of Contents
6. Ebuild
Ebuild Phases
Interaction with previous installed version
Upgrade/downgrade order used by versions less than 2.1.5 (deprecated)
Upgrade/downgrade order starting with version 2.1.5
Helper Functions
Output
ebegin
eend
einfo
elog
eqawarn
ewarn
EAPI
EAPI 0
Phases
Default src_compile Phase Function
EAPI 1
IUSE defaults
Phases
Default src_compile Phase Function
SLOT Dependencies
EAPI 2
Helpers
doman
Recognition of Language Codes in File Names
Metadata
Dependencies
Blocker Atoms
New Meaning for Old Syntax
New !!atom Syntax
USE Dependencies
Unconditional USE Dependencies
Conditional USE Dependencies
SRC_URI
Customization of Output File Names
Phases
New src_prepare Phase Function
New src_configure Phase Function
Execution Order of Phase Functions
Default Phase Functions
Default Phase Function Alias
EAPI 3
Helpers
unpack
Support for the xz file extension
Support for installation prefix
Helpers
econf
einstall
Variables
EAPI 4
Helpers
Removed dohard and dosed
All helpers die on failure
Controllable Compression
docompress helper
dodoc -r
doins and newins preserve symlinks
doman -i18n option takes precedence over filename language suffix
econf adds --disable-dependency-tracking
use_with and use_enable support empty third argument
Metadata
Dependencies
unset RDEPEND no longer triggers implicit setting
USE Dependency Defaults
REQUIRED_USE
Motivation
Specification
Phases
New pkg_pretend Phase Function
Default src_install no longer a no-op
S to WORKDIR fallback restricted
Variables
AA and KV variables are no longer exported
MERGE_TYPE
REPLACING_VERSIONS and REPLACED_BY_VERSION
EAPI 4-slot-abi
Metadata
SLOT Supports Optional "sub-slot" ABI part
Dependency Atom slot/sub-slot := Operator
Dependency Atom slot/sub-slot :* Operator
EAPI 5
Metadata
REQUIRED_USE supports new at-most-one-of operator
SLOT supports optional "sub-slot" part
Dependency atom slot operators
Profiles
Profile IUSE Injection
Profile stable USE forcing and masking
Helpers
econf adds --disable-silent-rules
new* commands can read from standard input
New option --host-root for {has,best}_version
New doheader helper function
New usex helper function
Phases
src_test supports parallel tests
Ebuild Environment Variables
New EBUILD_PHASE_FUNC variable