Bug 560166 – sys-apps/portage: make.conf and make.defaults parser performs invalid substitutions for incremental variables such as USE

• Status: RESOLVED DUPLICATE of bug 771549
• Product: Portage Development

[Description Rick Farina (Zero_Chaos) 2015-09-10 18:15:13 UTC]

Example make.conf:

USE="foo"
USE="${USE} bar"

will be parsed to show that USE="foo bar" was set in make.conf

second example make.conf:

USE="${USE} bar"

this second example will be parsed to show that USE="${profile_use} bar" was set in make.conf which causes the USE setting in make.defaults to then override all other settings such as those in package.use

[Comment 1 Zac Medico 2015-09-10 18:45:30 UTC]

I guess it makes sense to treat incremental variables as unset at the beginning of a getconfig call (which may parse multiple files if a directory is used in place of a file). For regular non-incremental variables, it makes sense to be able to access/substitute values set earlier in the profile, but for incremental variables it doesn't seem to have any valid use case.

[Comment 2 Zac Medico 2021-04-09 21:26:34 UTC]

*** This bug has been marked as a duplicate of bug 771549 ***