Install this version:
emerge -a =dev-perl/Math-Libm-1.0.0# Copyright 1999-2025 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
DIST_AUTHOR=DSLEWART
DIST_VERSION=1.00
inherit perl-module
DESCRIPTION="wrapper to libm functions"
SLOT="0"
KEYWORDS="~amd64 x86"
RDEPEND="
virtual/perl-Carp
"
BDEPEND="${RDEPEND}
virtual/perl-ExtUtils-MakeMaker
"