dev-libs/oniguruma: Sync with Gentoo

It's from Gentoo commit 053e7d84adb80b055ea5d5d92c75577147ad6acb.

sdk_container/src/third_party/portage-stable/dev-libs/oniguruma/Manifest

@@ -1 +1,2 @@
+DIST onig-6.9.10.tar.gz 979159 BLAKE2B 963507cf7692a049d85dbd2beec82e3c16807117518f667b4f318df0360acad1a95b90c811efa10f852086256a17d2b555793e85832063d05cca6d2d976cc6e9 SHA512 f7cf33008ca0181322fb8efc8e6bb67a1f81677095a33d88134781b804e6a9fbf675f05789d762fdd3d9f0171f8dc4c2e960c2b6a09ddd03bfd35a5ab0920317
 DIST onig-6.9.9.tar.gz 957444 BLAKE2B d31f4caf5e14477ec1fd40ab764137b49046ac759f487432a129ebdf6da89b128218bb14b08f9359ac0b87286bcd309faa3878b26528926aab6f7d2e25e722b0 SHA512 14d2afd0d2cf86012c9959f221e9a77e7787e709c9dd7295d159e0a9ba89df52fa3edc59f95a6d859c34181e2e2e53e21b932b3eceb4d6ddeb2a3445ef951e95

sdk_container/src/third_party/portage-stable/dev-libs/oniguruma/oniguruma-6.9.10.ebuild

@@ -0,0 +1,55 @@
+# Copyright 2003-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="8"
+
+inherit multilib-minimal
+
+if [[ "${PV}" == "9999" ]]; then
+	inherit autotools git-r3
+
+	EGIT_REPO_URI="https://github.com/kkos/oniguruma"
+fi
+
+DESCRIPTION="Regular expression library for different character encodings"
+HOMEPAGE="https://github.com/kkos/oniguruma"
+if [[ "${PV}" == "9999" ]]; then
+	SRC_URI=""
+else
+	SRC_URI="https://github.com/kkos/${PN}/releases/download/v${PV}/onig-${PV}.tar.gz"
+fi
+
+LICENSE="BSD-2"
+SLOT="0/5"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+IUSE="crnl-as-line-terminator static-libs"
+
+BDEPEND=""
+DEPEND=""
+RDEPEND=""
+
+if [[ "${PV}" != "9999" ]]; then
+	S="${WORKDIR}/onig-${PV}"
+fi
+
+DOCS=(AUTHORS HISTORY README{,_japanese} doc/{API,CALLOUTS.API,CALLOUTS.BUILTIN,FAQ,RE}{,.ja} doc/{SYNTAX.md,UNICODE_PROPERTIES})
+
+src_prepare() {
+	default
+
+	if [[ "${PV}" == "9999" ]]; then
+		eautoreconf
+	fi
+}
+
+multilib_src_configure() {
+	ECONF_SOURCE="${S}" econf \
+		--enable-posix-api \
+		$(use_enable crnl-as-line-terminator) \
+		$(use_enable static-libs static)
+}
+
+multilib_src_install_all() {
+	einstalldocs
+	find "${ED}" -name "*.la" -delete || die
+}