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