x11-libs/pixman: Sync with Gentoo

It's from Gentoo commit dd1a74cfb3572cb0c5096d76e0e1738943dd3b76.

sdk_container/src/third_party/portage-stable/x11-libs/pixman/Manifest

@@ -1 +1,2 @@
 DIST pixman-0.44.2.tar.xz 650012 BLAKE2B 856aa35ae705de522d70250beee8acc872b54d2b5caa9cee6bc12ffde7c293b3db76f56c75858cc5ab1bc592fb1d4078485c2def2ae4bcd5a50b6dfc2eb477eb SHA512 b24907f9a0bf6a9aa3278d31986c562c5f2d68f8c178021497c8648aca9f91e4c6f1ecfacf93eb01ba4f03ce4cfc5970fc40bb0fe6724bac9210fc57da09cba4
+DIST pixman-0.46.0.tar.xz 660268 BLAKE2B 5fc9d0df2f685afc1931ac12757d7ec0369c1f90b51f79b696479a2edd0c13e0684938871166318ca5c78b4955195ba5517e98e4666803b9062f4ed2b6593afa SHA512 c7ef987b7db89c58278c537f862bc9eb17c19f8288a3b7e88f8501a0486662f1e2cb6a2c0b81d4bf0464310475192428d6e29d05a6ae3cfc1d2c0941fbb0b9a3

sdk_container/src/third_party/portage-stable/x11-libs/pixman/pixman-0.46.0.ebuild

@@ -0,0 +1,61 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+EGIT_REPO_URI="https://gitlab.freedesktop.org/pixman/pixman.git"
+
+if [[ ${PV} = 9999* ]]; then
+	GIT_ECLASS="git-r3"
+fi
+
+inherit ${GIT_ECLASS} meson-multilib multiprocessing toolchain-funcs
+
+DESCRIPTION="Low-level pixel manipulation routines"
+HOMEPAGE="http://www.pixman.org/ https://gitlab.freedesktop.org/pixman/pixman/"
+if [[ ${PV} != 9999* ]]; then
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+	SRC_URI="https://www.x.org/releases/individual/lib/${P}.tar.xz"
+fi
+
+LICENSE="MIT"
+SLOT="0"
+IUSE="cpu_flags_ppc_altivec cpu_flags_arm_neon loongson2f cpu_flags_x86_mmxext cpu_flags_x86_sse2 cpu_flags_x86_ssse3 static-libs test"
+RESTRICT="!test? ( test )"
+
+pkg_pretend() {
+	[[ ${MERGE_TYPE} != binary ]] && use test && tc-check-openmp
+}
+
+pkg_setup() {
+	[[ ${MERGE_TYPE} != binary ]] && use test && tc-check-openmp
+}
+
+multilib_src_configure() {
+	local emesonargs=(
+		$(meson_feature cpu_flags_x86_mmxext mmx)
+		$(meson_feature cpu_flags_x86_sse2 sse2)
+		$(meson_feature cpu_flags_x86_ssse3 ssse3)
+		$(meson_feature cpu_flags_ppc_altivec vmx)
+		$(meson_feature loongson2f loongson-mmi)
+		$(meson_feature test openmp) # only used in unit tests
+		$(meson_feature test tests)
+		-Ddefault_library=$(usex static-libs both shared)
+		-Ddemos=disabled
+		-Dgtk=disabled
+		-Dlibpng=disabled
+	)
+
+	if [[ ${ABI} == arm64 ]]; then
+		emesonargs+=($(meson_feature cpu_flags_arm_neon a64-neon))
+	elif [[ ${ABI} == arm ]]; then
+		emesonargs+=($(meson_feature cpu_flags_arm_neon neon))
+	fi
+
+	meson_src_configure
+}
+
+multilib_src_test() {
+	export OMP_NUM_THREADS=$(makeopts_jobs)
+	meson_src_test -t 100
+}

sdk_container/src/third_party/portage-stable/x11-libs/pixman/pixman-9999.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2024 Gentoo Authors
+# Copyright 1999-2025 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8