Install this version:
emerge -a =dev-php/pecl-ast-1.1.1
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =dev-php/pecl-ast-1.1.1
Or alternatively:
emerge --autounmask-write -a =dev-php/pecl-ast-1.1.1
# Copyright 1999-2019 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 EAPI="7" USE_PHP="php8-2 php8-3" inherit php-ext-pecl-r3 KEYWORDS="~amd64 ~x86" DESCRIPTION="Extension exposing PHP 7 abstract syntax tree" HOMEPAGE="https://github.com/nikic/php-ast" LICENSE="BSD" SLOT="0" DOCS=( README.md )