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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit multilib-minimal toolchain-funcs

# Different date format used upstream.
RE2_VER=${PV#0.}
RE2_VER=${RE2_VER//./-}

DESCRIPTION="An efficient, principled regular expression library"
HOMEPAGE="https://github.com/google/re2"
SRC_URI="https://github.com/google/re2/archive/${RE2_VER}.tar.gz -> re2-${RE2_VER}.tar.gz"

LICENSE="BSD"
# NOTE: Always run libre2 through abi-compliance-checker!
# https://abi-laboratory.pro/tracker/timeline/re2/
SONAME="7"
SLOT="0/${SONAME}"
KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~ppc ~ppc64 ~s390 ~sparc x86"
IUSE="icu"

BDEPEND="icu? ( virtual/pkgconfig )"
DEPEND="icu? ( dev-libs/icu:0=[${MULTILIB_USEDEP}] )"
RDEPEND="${DEPEND}"

S="${WORKDIR}/re2-${RE2_VER}"

DOCS=( AUTHORS CONTRIBUTORS README doc/syntax.txt )
HTML_DOCS=( doc/syntax.html )

src_prepare() {
	default
	grep -q "^SONAME=${SONAME}\$" Makefile || die "SONAME mismatch"
	if use icu; then
		sed -i -e 's:^# \(\(CC\|LD\)ICU=.*\):\1:' Makefile || die
	fi
	multilib_copy_sources
}

src_configure() {
	tc-export AR CXX
}

multilib_src_compile() {
	emake SONAME="${SONAME}" shared
}

multilib_src_install() {
	emake SONAME="${SONAME}" DESTDIR="${D}" prefix="${EPREFIX}/usr" libdir="\$(exec_prefix)/$(get_libdir)" shared-install
}