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app-alternatives/yacc: Sync with Gentoo

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It's from Gentoo commit e773377026c28a1324d074e8af1039cc8c432eb4.
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Flatcar Buildbot 2022-12-12 07:13:59 +00:00
parent 54dc427086
commit d769f45218
1 changed files with 22 additions and 34 deletions
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56
sdk_container/src/third_party/portage-stable/app-alternatives/yacc/yacc-1-r2.ebuild vendored
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@ -3,54 +3,42 @@
EAPI=8
DESCRIPTION="yacc symlinks"
HOMEPAGE="https://wiki.gentoo.org/wiki/Project:Base/Alternatives"
SRC_URI=""
S=${WORKDIR}
ALTERNATIVES=(
"bison:>=sys-devel/bison-3.8.2-r1"
byacc:dev-util/byacc
"reference:>=dev-util/yacc-1.9.1-r7"
)
LICENSE="CC0-1.0"
SLOT="0"
inherit app-alternatives
DESCRIPTION="yacc symlinks"
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
IUSE="+bison byacc reference"
REQUIRED_USE="^^ ( bison byacc reference )"
RDEPEND="
bison? ( >=sys-devel/bison-3.8.2-r1 )
byacc? ( dev-util/byacc )
reference? ( >=dev-util/yacc-1.9.1-r7 )
!<dev-util/yacc-1.9.1-r7
!<sys-devel/bison-3.8.2-r1
"
src_install() {
if use bison; then
local alt=$(get_alternative)
case ${alt} in
# bison installs its own small wrapper script 'yacc-bison'
# around bison(1).
dosym yacc.bison /usr/bin/yacc
newman - yacc.1 <<<".so yacc.bison.1"
bison) alt=yacc.bison;;
reference) alt=yacc-reference;;
esac
# Leaving this for now to be safe, as it's closer to pre-alternatives
# status quo to leave it unset and let autoconf probe for Bison by itself
# as it prefers it anyway, and might be a CPP-like situation wrt
# calling bison or bison -y if YACC is set.
#newenvd - 90yacc <<-EOF
# YACC=yacc.bison
#EOF
elif use byacc; then
dosym byacc /usr/bin/yacc
newman - yacc.1 <<<".so byacc.1"
dosym "${alt}" /usr/bin/yacc
newman - yacc.1 <<<".so ${alt}.1"
# Leaving this for now to be safe, as it's closer to pre-alternatives
# status quo to leave it unset and let autoconf probe for Bison by itself
# as it prefers it anyway, and might be a CPP-like situation wrt
# calling bison or bison -y if YACC is set.
if [[ ${alt} != yacc.bison ]]; then
newenvd - 90yacc <<-EOF
YACC=byacc
YACC=${alt}
EOF
elif use reference; then
dosym yacc-reference /usr/bin/yacc
newman - yacc.1 <<<".so yacc-reference.1"
newenvd - 90yacc <<-EOF
YACC=yacc
EOF
else
die "Invalid USE flag combination (broken REQUIRED_USE?)"
fi
}