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# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit flag-o-matic toolchain-funcs
DESCRIPTION="Handy console-based calculator utility"
HOMEPAGE="https://www.gnu.org/software/bc/bc.html"
SRC_URI="mirror://gnu/bc/${P}.tar.gz"
LICENSE="GPL-3+"
SLOT="0"
KEYWORDS="~alpha amd64 arm arm64 hppa ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
IUSE="libedit readline static"
RDEPEND="
!readline? ( libedit? ( dev-libs/libedit:= ) )
readline? (
sys-libs/readline:=
sys-libs/ncurses:=
)"
DEPEND="${RDEPEND}"
BDEPEND="
sys-devel/flex
app-alternatives/yacc"
PDEPEND="app-alternatives/bc"
PATCHES=( "${FILESDIR}"/${PN}-1.07.1-no-ed-its-sed.patch )
src_prepare() {
default
# Avoid bad build tool usage when cross-compiling. Bug #627126
tc-is-cross-compiler && eapply "${FILESDIR}"/${PN}-1.07.1-use-system-bc.patch
}
src_configure() {
local myconf=(
$(use_with readline)
--program-suffix=-reference
)
if use readline ; then
myconf+=( --without-libedit )
else
myconf+=( $(use_with libedit) )
fi
use static && append-ldflags -static
# The libedit code isn't compatible currently. #830101
use libedit && append-flags -fcommon
# AC_SYS_LARGEFILE in configure.ac would handle this, but we don't patch
# autotools otherwise currently. This change has been sent upstream, but
# who knows when they'll make another release.
append-lfs-flags
# configure dies with other lexes:
# "configure: error: readline works only with flex."
export LEX=flex
econf "${myconf[@]}"
# Do not regen docs -- configure produces a small fragment that includes
# the version info which causes all pages to regen (newer file). Bug #554774
touch -r doc doc/* || die
}
src_compile() {
emake AR="$(tc-getAR)"
}
pkg_postinst() {
# ensure to preserve the symlinks before app-alternatives/bc
# is installed
local x
for x in bc dc ; do
if [[ ! -h ${EROOT}/usr/bin/${x} ]] ; then
ln -s "${x}-reference" "${EROOT}/usr/bin/${x}" || die
fi
done
}
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