| # Copyright 1999-2017 Gentoo Foundation |
| # Distributed under the terms of the GNU General Public License v2 |
| |
| # @ECLASS: epunt-cxx.eclass |
| # @MAINTAINER: |
| # base-system@gentoo.org |
| # @BLURB: A function to punt C++ compiler checks from autoconf |
| # @DESCRIPTION: |
| # Support for punting C++ compiler checks from autoconf (based |
| # on ELT-patches). |
| |
| if [[ -z ${_EPUNT_CXX_ECLASS} ]]; then |
| |
| # eutils for eqawarn |
| inherit eutils |
| |
| DEPEND=">=app-portage/elt-patches-20170317" |
| |
| # @FUNCTION: epunt_cxx |
| # @USAGE: [dir to scan] |
| # @DESCRIPTION: |
| # Many configure scripts wrongly bail when a C++ compiler could not be |
| # detected. If dir is not specified, then it defaults to ${S}. |
| # |
| # https://bugs.gentoo.org/73450 |
| epunt_cxx() { |
| local dir=$1 |
| [[ -z ${dir} ]] && dir=${S} |
| ebegin "Removing useless C++ checks" |
| local f p any_found |
| while IFS= read -r -d '' f; do |
| for p in "${EPREFIX}/usr/share/elt-patches"/nocxx/*.patch ; do |
| if patch --no-backup-if-mismatch -p1 "${f}" "${p}" >/dev/null ; then |
| any_found=1 |
| break |
| fi |
| done |
| done < <(find "${dir}" -name configure -print0) |
| |
| if [[ -z ${any_found} ]]; then |
| eqawarn "epunt_cxx called unnecessarily (no C++ checks to punt)." |
| fi |
| eend 0 |
| } |
| |
| _EPUNT_CXX_ECLASS=1 |
| fi #_EPUNT_CXX_ECLASS |
