61 lines
1.5 KiB
Bash
61 lines
1.5 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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EAPI=6
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inherit toolchain-funcs
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DESCRIPTION="Yacc: Yet Another Compiler-Compiler"
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HOMEPAGE="http://dinosaur.compilertools.net/#yacc"
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SRC_URI="ftp://metalab.unc.edu/pub/Linux/devel/compiler-tools/${P}.tar.Z"
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LICENSE="public-domain"
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SLOT="0"
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KEYWORDS="alpha amd64 arm arm64 hppa ia64 ~mips ppc ppc64 s390 sh sparc x86"
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PATCHES=(
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# mkstemp patch from byacc ebuild.
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"${FILESDIR}/${P}-mkstemp.patch"
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# The following patch fixes yacc to run correctly on ia64 (and
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# other 64-bit arches). See bug 46233.
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"${FILESDIR}/${P}-ia64.patch"
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# Avoid stack access error. See bug 232005.
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"${FILESDIR}/${P}-CVE-2008-3196.patch"
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)
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src_prepare() {
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default
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# Use our CFLAGS and LDFLAGS.
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sed -i -e 's: -O : $(CFLAGS) $(LDFLAGS) :' Makefile || die 'sed failed'
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}
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src_compile() {
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emake clean
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emake CC="$(tc-getCC)" CFLAGS="${CFLAGS}"
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}
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src_install() {
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dobin "${PN}"
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doman "${PN}.1"
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dodoc 00README* ACKNOWLEDGEMENTS NEW_FEATURES NO_WARRANTY NOTES README*
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}
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pkg_preinst() {
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# bison installs a /usr/bin/yacc symlink ...
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# we need to remove it to avoid triggering
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# collision-protect errors. See bug 90089.
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if [[ -L "${ROOT}/usr/bin/${PN}" ]]; then
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rm -v "${ROOT}/usr/bin/${PN}" || die
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fi
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}
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pkg_postrm() {
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# and if we uninstall yacc but keep bison,
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# let's restore the /usr/bin/yacc symlink.
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if [[ ! -e "${ROOT}/usr/bin/${PN}" ]] && [[ -e "${ROOT}/usr/bin/${PN}.bison" ]]; then
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ln -s yacc.bison "${ROOT}/usr/bin/${PN}" || die
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fi
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}
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