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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# @ECLASS: rpc.eclass
# @MAINTAINER:
# toolchain@gentoo.org
# @BLURB: helper functions to depend on rpc implementations
# @DESCRIPTION:
# This eclass ...
# @EXAMPLE:
#
# @CODE
# inherit rpc
#
# @CODE
case ${EAPI:-0} in
0|1) die "EAPI=0 and EAPI=1 is not supported by ${ECLASS}.eclass." ;;
2|3|4|5|6) ;;
*) die "${ECLASS}.eclass API in EAPI ${EAPI} not yet established."
esac
RPC_ALL_IMPL=( sunrpc libtirpc ntirpc )
# @ECLASS-VARIABLE: RPC_COMPAT
# @DESCRIPTION:
# This variable contains a list of RPC implementations the package
# supports. It must be set before the `inherit' call; if not, the
# package is assumed to be compatible with all known implementations.
# Example:
# @CODE
# RPC_COMPAT=( sunrpc libtirpc ntirpc )
# @CODE
RPC_COMPAT=( "${RPC_COMPAT[@]:-${RPC_ALL_IMPL[@]}}" )
# @ECLASS-VARIABLE: RPC_REQUIRED
# @DESCRIPTION:
# Is rpc support required? Possible values are 'always' and 'optional'.
# This variable must be set before inheriting any eclasses. Defaults to 'always'
# If set to 'optional', a useflag 'rpc' is created.
RPC_REQUIRED="${RPC_REQUIRED:-always}"
local _rpc_rdepend=""
local _rpc_depend=""
for i in ${RPC_COMPAT[@]}; do
case "${i}" in
sunrpc)
_rpc_depend+="sunrpc? ( elibc_glibc? ( <sys-libs/glibc-2.26[rpc] ) ) "
_rpc_rdepend+="sunrpc? ( elibc_glibc? ( <sys-libs/glibc-2.26[rpc] ) ) "
IUSE+="sunrpc "
;;
libtirpc)
_rpc_depend+="libtirpc? ( net-libs/libtirpc virtual/pkgconfig ) "
_rpc_rdepend+="libtirpc? ( net-libs/libtirpc ) "
IUSE+="libtirpc "
;;
ntirpc)
_rpc_depend+="ntirpc? ( net-libs/ntirpc virtual/pkgconfig ) "
_rpc_rdepend+="ntirpc? ( net-libs/ntirpc ) "
IUSE+="ntirpc "
;;
*)
die "Unsupported RPC implementation ${i}"
;;
esac
done
case "${RPC_REQUIRED}" in
always)
DEPEND=${_rpc_depend}
RDEPEND=${_rpc_rdepend}
;;
optional)
IUSE+="rpc "
DEPEND="rpc? ( ${_rpc_depend} )"
RDEPEND="rpc? ( ${_rpc_rdepend} )"
;;
*)
die "Unsupported value for RPC_REQUIRED."
;;
esac
declare -A _rpc_seen
local _rpc_required="("
for word in ${RPC_COMPAT[@]}; do
if [ ! "${_rpc_seen[$word]}" ]
then
_rpc_required+=" $word"
seen[$word]=1
fi
done
if [[ ${_rpc_required} != "(" ]]; then
REQUIRED_USE="^^ ${_rpc_required} )"
fi
# @FUNCTION: rpc_configure
# @DESCRIPTION:
# Outputs a string useful for passing to a configure invocation.
# In detail, "--with-rpc=x", where x is either sunrpc, libtirpc, or
# ntirpc.
rpc_configure() {
local _rpc_configure
use sunrpc && _rpc_configure="--with-rpc=sunrpc"
use libtirpc && _rpc_configure="--with-rpc=libtirpc"
use ntirpc && _rpc_configure="--with-rpc=ntirpc"
echo ${_rpc_configure}
}
unset _rpc_rdepend
unset _rpc_depend
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