dev-libs/vectorscan: add 5.4.12

Signed-off-by: Petr Vaněk <arkamar@gentoo.org>

dev-libs/vectorscan/Manifest

@@ -1 +1,2 @@
 DIST vectorscan-5.4.11.tar.gz 1895332 BLAKE2B a8f5a1230af0ddf7d9fb9299769ec1736d37ac3284f6a98b1e650af461206cf459eac35d13a47beb6683786c6529539b2d082edf426e7d4890ed11804c76268b SHA512 ed74e441c1106a90b344898320d20b74726db86af338dee8c908db941a88e73355ca87c6d64e212eb860bf76a96121021ebaabd48ce359b47634caaee9df3e5e
+DIST vectorscan-5.4.12.tar.gz 20849791 BLAKE2B 7d2a5934423ea5ef7153ab04544e9819d3c95644352780f6614ec2e896cbde4d92cffe6433eab86a55be26c2dd968d4d0ea7867d7c1251d4631af9da33d39f31 SHA512 b9e750cb53a109ebed6e472cccbd280434c4a8e6a9217acfd30c10cc88381712de2444d31794a1f0bebc0b5ca0def21c031234bc1706f4029d51d2830f0cb5ac

dev-libs/vectorscan/vectorscan-5.4.12.ebuild

@@ -0,0 +1,76 @@
+# Copyright 2023-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake edo flag-o-matic
+
+DESCRIPTION="A portable fork of the high-performance regular expression matching library"
+HOMEPAGE="
+	https://www.vectorcamp.gr/vectorscan/
+	https://github.com/VectorCamp/vectorscan
+"
+SRC_URI="
+	https://github.com/VectorCamp/vectorscan/archive/refs/tags/${PN}/${PV}.tar.gz
+		-> ${P}.tar.gz
+"
+
+S="${WORKDIR}/${PN}-${P}"
+
+LICENSE="BSD"
+SLOT="0/5"
+KEYWORDS="~amd64 ~x86"
+IUSE="cpu_flags_x86_avx2 cpu_flags_x86_sse4_2"
+
+DEPEND="
+	dev-libs/boost:=
+"
+RDEPEND="
+	${DEPEND}
+	!dev-libs/hyperscan
+"
+BDEPEND="
+	dev-util/ragel
+	virtual/pkgconfig
+"
+
+REQUIRED_USE="
+	x86? ( cpu_flags_x86_sse4_2 )
+	amd64? ( cpu_flags_x86_sse4_2 )
+"
+
+src_prepare() {
+	local sedargs=(
+		# Respect user -m flags (march/mtune)
+		-e '/set(ARCH_CX*_FLAG/d'
+		# Respect user -O flags
+		-e '/set(OPT_CX*_FLAG/d'
+	)
+	sed -i "${sedargs[@]}" CMakeLists.txt cmake/cflags-x86.cmake || die
+	sed -i '/-Werror/d' cmake/cflags-generic.cmake || die
+	cmake_src_prepare
+}
+
+src_configure() {
+	use cpu_flags_x86_avx2 && append-flags -mavx2
+	use cpu_flags_x86_sse4_2 && append-flags -msse4.2
+
+	local mycmakeargs=(
+		-DBUILD_BENCHMARKS=OFF
+		-DBUILD_EXAMPLES=OFF
+		-DBUILD_SHARED_LIBS=ON
+
+		-DBUILD_AVX2=$(usex cpu_flags_x86_avx2)
+
+		-DFAT_RUNTIME=OFF
+		-DUSE_CPU_NATIVE=OFF
+	)
+	cmake_src_configure
+}
+
+src_test() {
+	# The unit target cannot be used currently due to a bug in it,
+	# see https://github.com/VectorCamp/vectorscan/issues/202
+	#cmake_build unit
+	edo "${BUILD_DIR}/bin/unit-hyperscan"
+}