pacman/scripts/libmakepkg/buildenv/lto.sh.in
2023-11-04 00:02:17 +00:00

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#!/usr/bin/bash
#
# lto.sh - Specify flags for building a package with link-time
# optimisation
#
# Copyright (c) 2021-2022 Pacman Development Team <pacman-dev@lists.archlinux.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
[[ -n "$LIBMAKEPKG_BUILDENV_LTO_SH" ]] && return
LIBMAKEPKG_BUILDENV_LTO_SH=1
MAKEPKG_LIBRARY=${MAKEPKG_LIBRARY:-'@libmakepkgdir@'}
source "$MAKEPKG_LIBRARY/util/option.sh"
build_options+=('lto')
buildenv_functions+=('buildenv_lto')
buildenv_lto() {
if check_option "lto" "y" && ! check_option "buildflags" "n"; then
CFLAGS+=" ${LTOFLAGS:--flto}"
CXXFLAGS+=" ${LTOFLAGS:--flto}"
LDFLAGS+=" ${LTOFLAGS:--flto}"
fi
}