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