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

EAPI=7

inherit flag-o-matic libtool multilib-minimal toolchain-funcs usr-ldscript

PATCH_SET="${P}-patchset-01.tar.xz"

DESCRIPTION="Perl-compatible regular expression library"
HOMEPAGE="https://www.pcre.org/"
MY_P="pcre2-${PV/_rc/-RC}"
if [[ ${PV} != *_rc* ]] ; then
	# Only the final releases are available here.
	SRC_URI="mirror://sourceforge/pcre/${MY_P}.tar.bz2
		https://ftp.pcre.org/pub/pcre/${MY_P}.tar.bz2"
else
	SRC_URI="https://ftp.pcre.org/pub/pcre/Testing/${MY_P}.tar.bz2"
fi

if [[ -n "${PATCH_SET}" ]] ; then
	SRC_URI+=" https://dev.gentoo.org/~whissi/dist/${PN}/${PATCH_SET}
		https://dev.gentoo.org/~polynomial-c/dist/${PATCH_SET}"
fi

LICENSE="BSD"
SLOT="0"
KEYWORDS="*"
IUSE="bzip2 +jit libedit pcre16 pcre32 +readline +recursion-limit static-libs unicode zlib"
REQUIRED_USE="?? ( libedit readline )"

BDEPEND="
	virtual/pkgconfig
	userland_GNU? ( >=sys-apps/findutils-4.4.0 )
"
RDEPEND="
	bzip2? ( app-arch/bzip2 )
	libedit? ( dev-libs/libedit )
	readline? ( sys-libs/readline:0= )
	zlib? ( sys-libs/zlib )
"
DEPEND="${RDEPEND}"

S="${WORKDIR}/${MY_P}"

MULTILIB_CHOST_TOOLS=(
	/usr/bin/pcre2-config
)

src_prepare() {
	[[ -d "${WORKDIR}/patches" ]] && eapply "${WORKDIR}"/patches

	default

	elibtoolize
}

multilib_src_configure() {
	local myeconfargs=(
		--enable-pcre2-8
		--enable-shared
		--with-match-limit-depth=$(usex recursion-limit 8192 MATCH_LIMIT)
		$(multilib_native_use_enable bzip2 pcre2grep-libbz2)
		$(multilib_native_use_enable libedit pcre2test-libedit)
		$(multilib_native_use_enable readline pcre2test-libreadline)
		$(multilib_native_use_enable zlib pcre2grep-libz)
		$(use_enable jit)
		$(use_enable jit pcre2grep-jit)
		$(use_enable pcre16 pcre2-16)
		$(use_enable pcre32 pcre2-32)
		$(use_enable static-libs static)
		$(use_enable unicode)
	)
	ECONF_SOURCE="${S}" econf "${myeconfargs[@]}"
}

multilib_src_compile() {
	emake V=1 $(multilib_is_native_abi || echo "bin_PROGRAMS=")
}

multilib_src_install() {
	emake \
		DESTDIR="${D}" \
		$(multilib_is_native_abi || echo "bin_PROGRAMS= dist_html_DATA=") \
		install
	multilib_is_native_abi && gen_usr_ldscript -a pcre2-posix
}

multilib_src_install_all() {
	find "${ED}" -type f -name "*.la" -delete || die
}