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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit flag-o-matic toolchain-funcs
DESCRIPTION="GNU regular expression matcher"
HOMEPAGE="https://www.gnu.org/software/grep/"
SRC_URI="mirror://gnu/${PN}/${P}.tar.xz"
LICENSE="GPL-3+"
SLOT="0"
KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~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="nls pcre static"
# We lack dev-libs/libsigsegv[static-libs] for now
REQUIRED_USE="static? ( !sparc )"
LIB_DEPEND="pcre? ( >=dev-libs/libpcre-7.8-r1[static-libs(+)] )
sparc? ( dev-libs/libsigsegv )"
RDEPEND="!static? ( ${LIB_DEPEND//\[static-libs(+)]} )
nls? ( virtual/libintl )
virtual/libiconv"
DEPEND="${RDEPEND}
static? ( ${LIB_DEPEND} )"
BDEPEND="
virtual/pkgconfig
nls? ( sys-devel/gettext )
"
DOCS=( AUTHORS ChangeLog NEWS README THANKS TODO )
src_prepare() {
sed -i \
-e "s:@SHELL@:${EPREFIX}/bin/sh:g" \
-e "s:@grep@:${EPREFIX}/bin/grep:" \
src/egrep.sh || die #523898
default
}
src_configure() {
use static && append-ldflags -static
# We used to turn this off unconditionally (bug #673524) but we now
# allow it for cases where libsigsegv is better for userspace handling
# of stack overflows.
# In particular, it's necessary for sparc: bug #768135
export ac_cv_libsigsegv=$(usex sparc)
# Always use pkg-config to get lib info for pcre.
export ac_cv_search_pcre_compile=$(
usex pcre "$($(tc-getPKG_CONFIG) --libs $(usex static --static '') libpcre)" ''
)
local myeconfargs=(
--bindir="${EPREFIX}"/bin
$(use_enable nls)
$(use_enable pcre perl-regexp)
)
econf "${myeconfargs[@]}"
}
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