#!/usr/bin/bash
#
#   ccache.sh - Cache compiliations and recycle them to save time on repititions
#
#   Copyright (c) 2008-2016 Pacman Development Team <pacman-dev@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_CCACHE_SH" ]] && return
LIBMAKEPKG_CCACHE_SH=1

LIBRARY=${LIBRARY:-'@libmakepkgdir@'}

source "$LIBRARY/util/message.sh"
source "$LIBRARY/util/option.sh"

build_options+=('ccache')

local ccache=0

ccache() {

	# use ccache if it is requested (check buildenv and PKGBUILD opts)
	if check_buildoption "ccache" "y"; then
		if ! type -p ccache >/dev/null; then
			error "$(gettext "Cannot find the %s binary required for compiler cache usage.")" "ccache"
			return 1
		fi
		if [ -d /usr/lib/ccache/bin ]; then
			export PATH="/usr/lib/ccache/bin:$PATH"
			ccache=1
		fi
	fi
}