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Bug 607910

Summary: sys-apps/portage: Redesign FEATURES=multilib-strict to have some sanity
Product: Portage Development Reporter: Michał Górny <mgorny>
Component: CoreAssignee: Portage team <dev-portage>
Status: CONFIRMED ---    
Severity: enhancement CC: pacho
Priority: Normal    
Version: unspecified   
Hardware: All   
OS: Linux   
Package list:
Runtime testing required: ---

Description Michał Górny archtester Gentoo Infrastructure gentoo-dev Security 2017-02-01 12:58:03 UTC
FWICS, right now multilib-strict is a blunt tool. Per configuration in make.defaults:

MULTILIB_STRICT_DIRS="/lib32 /lib /usr/lib32 /usr/lib /usr/kde/*/lib32 /usr/kde/*/lib /usr/qt/*/lib32 /usr/qt/*/lib /usr/X11R6/lib32 /usr/X11R6/lib"
MULTILIB_STRICT_DENY="64-bit.*shared object"

1. It only bluntly tries to catch 64-bit objects in predefined list of directories,

2. it needs a lot of exemptions to handle 'lib as libexec' case,

3. it needs to be enabled conditionally to profile.

I think it'd be much more reasonable to have multilib-strict that:

1. Respects LIBDIR_* and checks each for ABI-specific libraries/executables,

2. is aware of 'lib as libexec', and therefore doesn't need lot of pointless exemptions.