dev-libs/libpcre: Sync with Gentoo

It's from Gentoo commit ff636eaf95bdba9d2769397b2865f2f8c428f223.

sdk_container/src/third_party/portage-stable/dev-libs/libpcre/libpcre-8.45-r3.ebuild

@@ -0,0 +1,109 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit autotools multilib-minimal preserve-libs
+
+DESCRIPTION="Perl-compatible regular expression library"
+HOMEPAGE="http://www.pcre.org/"
+MY_P="pcre-${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/${MY_P}.tar.bz2
+		ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/${MY_P}.tar.bz2
+	"
+else
+	SRC_URI="ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/Testing/${MY_P}.tar.bz2"
+fi
+
+S="${WORKDIR}/${MY_P}"
+
+LICENSE="BSD"
+SLOT="3"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x64-solaris"
+IUSE="bzip2 +cxx +jit libedit pcre16 pcre32 +readline static-libs unicode valgrind zlib"
+REQUIRED_USE="
+	readline? ( !libedit )
+	libedit? ( !readline )
+"
+
+RDEPEND="
+	bzip2? ( app-arch/bzip2 )
+	zlib? ( sys-libs/zlib )
+	libedit? ( dev-libs/libedit )
+	readline? ( sys-libs/readline:= )
+"
+DEPEND="
+	${RDEPEND}
+	valgrind? ( dev-debug/valgrind )
+"
+BDEPEND="virtual/pkgconfig"
+
+MULTILIB_CHOST_TOOLS=(
+	/usr/bin/pcre-config
+)
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-8.45-fix-stack-size-detection.patch
+)
+
+src_prepare() {
+	default
+
+	sed -i -e "s:-lpcre ::" libpcrecpp.pc.in || die
+
+	# We do a full autoreconf because:
+	# - the software is end of life and never getting new dist tarballs
+	# - it uses a frankensteined "2.4.6.42-b88ce-dirty" libtool, which
+	#   means elibtoolize can't find patches to apply
+	eautoreconf
+}
+
+multilib_src_configure() {
+	local myeconfargs=(
+		$(multilib_native_use_enable bzip2 pcregrep-libbz2)
+		$(use_enable cxx cpp)
+		$(use_enable jit)
+		$(use_enable jit pcregrep-jit)
+		$(use_enable pcre16)
+		$(use_enable pcre32)
+		$(multilib_native_use_enable libedit pcretest-libedit)
+		$(multilib_native_use_enable readline pcretest-libreadline)
+		$(use_enable static-libs static)
+		$(use_enable unicode utf)
+		$(use_enable unicode unicode-properties)
+		$(multilib_native_use_enable valgrind)
+		$(multilib_native_use_enable zlib pcregrep-libz)
+
+		--enable-pcre8
+		--enable-shared
+	)
+
+	ECONF_SOURCE="${S}" econf "${myeconfargs[@]}"
+}
+
+multilib_src_compile() {
+	emake V=1 $(multilib_is_native_abi || echo "bin_PROGRAMS=")
+}
+
+multilib_src_install() {
+	emake \
+		DESTDIR="${D}" \
+		$(multilib_is_native_abi || echo "bin_PROGRAMS= dist_html_DATA=") \
+		install
+}
+
+multilib_src_install_all() {
+	find "${ED}" -type f -name "*.la" -delete || die
+}
+
+pkg_preinst() {
+	preserve_old_lib /$(get_libdir)/libpcre.so.0
+}
+
+pkg_postinst() {
+	preserve_old_lib_notify /$(get_libdir)/libpcre.so.0
+}