45 lines
1.1 KiB
Bash
45 lines
1.1 KiB
Bash
# Copyright 2022-2023 Gentoo Authors
|
|
# Distributed under the terms of the GNU General Public License v2
|
|
|
|
EAPI=8
|
|
|
|
ALTERNATIVES=(
|
|
"bison:>=sys-devel/bison-3.8.2-r1"
|
|
byacc:dev-util/byacc
|
|
"reference:>=dev-util/yacc-1.9.1-r7"
|
|
)
|
|
|
|
inherit app-alternatives
|
|
|
|
DESCRIPTION="yacc symlinks"
|
|
KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
|
|
|
|
RDEPEND="
|
|
!<dev-util/yacc-1.9.1-r7
|
|
!<sys-devel/bison-3.8.2-r1
|
|
"
|
|
|
|
src_install() {
|
|
local alt=$(get_alternative)
|
|
|
|
case ${alt} in
|
|
# bison installs its own small wrapper script 'yacc-bison'
|
|
# around bison(1).
|
|
bison) alt=yacc.bison;;
|
|
reference) alt=yacc-reference;;
|
|
esac
|
|
|
|
dosym "${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 [[ ${alt} != yacc.bison ]]; then
|
|
newenvd - 90yacc <<-EOF
|
|
YACC=${alt}
|
|
EOF
|
|
fi
|
|
}
|