sys-devel/gcc: add 16.0.0_p20250511

Signed-off-by: Sam James <sam@gentoo.org>

sys-devel/gcc/Manifest

@@ -43,8 +43,10 @@ DIST gcc-15.1.0-patches-1.tar.xz 18628 BLAKE2B ee5fc9d6a06374ccc8d85cd1e269514fd
 DIST gcc-15.1.0.tar.xz 98268344 BLAKE2B a902ce99db4e93615879e435bcd0b96d5a16ea0af42598ca0e6d12913b2ce3651a98574c3264b2717b848e6b5a823b403ccca0adde463938d5b41aa3f1da0d34 SHA512 ddd35ca6c653dffa88f7c7ef9ee4cd806e156e0f3b30f4d63e75a8363361285cd566ee73127734cde6a934611de815bee3e32e24bfd2e0ab9f7ff35c929821c1
 DIST gcc-16-20250427.tar.xz 92158556 BLAKE2B a993e398989cd1548e4bcd399faccf381a82e5648e4638b1a8144637794d4f188232fecc658b3f2a5be58e085931c3abbb9033984c3cab54adac144abb9817f6 SHA512 a64224705eae17147cd2944cf2b24c6542ef77ab6c3d4dfe598b6abcee5c178a3e2cfdbde729b23c22ed4803ddab49d636652f452f382d8cfee0d2be43a227b1
 DIST gcc-16-20250504.tar.xz 92144212 BLAKE2B 6b9390e5cbc44332926f79fdcbb46678b46cded8502a493ba950ced72b74ba47f5ad40de30c2e86e06d3e41b6e51b15ed16802b05b3ad4ed9a93e6987848a299 SHA512 b47468969129288408b09cf5dee79cac0243e6a83321b2622d6681f1cd67e93b9211d6033f307404cf7ecf72b8f2c2e67537ceab9fbc9a13e34d800a42ba677c
+DIST gcc-16-20250511.tar.xz 92224236 BLAKE2B 6026ddf597a5611707284bd5f6f221de52eb8d39bc58f12ab4ffd5a0a5c988f69bf4bc15f4390d0f682d2e19323abb1aceb0def6fae96ef1d6a3b92b3d780c75 SHA512 d61a11bd72d818cafcda8535113db140a892ce6e82d27879d4d1416a53406fa5da5aadd9400af645452c7a8eff99df5119ea0e307d15ef605eadce76e951dbe8
 DIST gcc-16.0.0-musl-patches-1.tar.xz 3040 BLAKE2B 18b16357699780eb470cf44a10710281955140103198e0bd55b75e1efe3dbec233689edb11e1b9a62f782f3d97293af4906c18c2c41613b422eda085ee819467 SHA512 5ba580c7c7bb9e62935a5162d44d357cc31185a113acff7498ed7b1ac43fd0a35de7c3de0c87f02fe0be46b5e55b49bb35d1f5cd470058d21a9ea4096a37e13d
 DIST gcc-16.0.0-patches-1.tar.xz 21916 BLAKE2B 3f067ec7598931a4c277572be2a2783a888da4659150cdb0ca892f4936c16d3c9e0868a249e1820b2cad160bee47ec7b29876e00712b075d8579baae336b91b4 SHA512 8beeeefd8a9b78aaee6470e7b6ae2d3b033fa980d44d441f11361ef14cc602d7c05481f390ae035c5d4c848f301f0526949344327ab169a5f37601ab83d1a675
+DIST gcc-16.0.0-patches-2.tar.xz 17524 BLAKE2B 6e5f07e01ec4981cccb6286151e7948b9ceaadb61afb11307174fcd855440db84d233857c07e311b099130913a26d13201a3b62e2f52ceb959055e190e776efb SHA512 3e6c7fd3e819dff461e54d2a0d568d2d68e01bda845ab44e026231f187c43a9ffa266e7dab981f3b36a55b9654cefb197f5fff7158538526512ce05be0948992
 DIST gcc-8.5.0-patches-4.tar.xz 18616 BLAKE2B 7594cbaea5daecf1a0b3d526c06aeba0a84c6da66aee2e105a51fda6be8d30a37ccc3814281b284a4582d892a1d556bca063551584edfc2525bed8ea5b6888e7 SHA512 1aa5742c361186637e7855f06feb1a4547e7d4d5de6e51f3d049e0ef3c19e2eff179465f52781739f59422035b7f8e4c0efa3844849f920f3c96acfdc37ca6a6
 DIST gcc-8.5.0.tar.xz 63841008 BLAKE2B aa81a1a730fd7371360f6abed6ba78b5843fd18c58d5de5687acc320741b9e430e85df3535a1ef7a26051409be8d2f0945f503e5968480d919103123a99d4b12 SHA512 92f599680e6b7fbce88bcdda810f468777d541e5fddfbb287f7977d51093de2a5178bd0e6a08dfe37090ea10a0508a43ccd00220041abbbec33f1179bfc174d8
 DIST gcc-9.5.0-patches-2.tar.xz 14324 BLAKE2B 1d3bf3e673108ad2fcdcb86daefb4603d1c9f6aa815e34d1591054d466b76d6f50cce124ab4760528c4951ea16eb00888a3e6485417f81ebf250548732df4a8e SHA512 a6d6f650aaf0bd193a17ac279649f0544a282cea295824384c59341c3000eac4b574b60e00dd427585d928f9768166abf85168b47772132790ad98854acacbbf

sys-devel/gcc/gcc-16.0.0_p20250511.ebuild

@@ -0,0 +1,56 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
+TOOLCHAIN_PATCH_DEV="sam"
+TOOLCHAIN_HAS_TESTS=1
+PATCH_GCC_VER="16.0.0"
+PATCH_VER="2"
+MUSL_VER="1"
+MUSL_GCC_VER="16.0.0"
+PYTHON_COMPAT=( python3_{10..14} )
+
+if [[ -n ${TOOLCHAIN_GCC_RC} ]] ; then
+	# Cheesy hack for RCs
+	MY_PV=$(ver_cut 1).$((($(ver_cut 2) + 1))).$((($(ver_cut 3) - 1)))-RC-$(ver_cut 5)
+	MY_P=${PN}-${MY_PV}
+	GCC_TARBALL_SRC_URI="mirror://gcc/snapshots/${MY_PV}/${MY_P}.tar.xz"
+	TOOLCHAIN_SET_S=no
+	S="${WORKDIR}"/${MY_P}
+fi
+
+inherit toolchain
+
+if tc_is_live ; then
+	# Needs to be after inherit (for now?), bug #830908
+	EGIT_BRANCH=master
+elif [[ -z ${TOOLCHAIN_USE_GIT_PATCHES} ]] ; then
+	# Don't keyword live ebuilds
+	#KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+	:;
+fi
+
+if [[ ${CATEGORY} != cross-* ]] ; then
+	# Technically only if USE=hardened *too* right now, but no point in complicating it further.
+	# If GCC is enabling CET by default, we need glibc to be built with support for it.
+	# bug #830454
+	RDEPEND="elibc_glibc? ( sys-libs/glibc[cet(-)?] )"
+	DEPEND="${RDEPEND}"
+fi
+
+src_prepare() {
+	local p upstreamed_patches=(
+		# add them here
+	)
+	for p in "${upstreamed_patches[@]}"; do
+		rm -v "${WORKDIR}/patch/${p}" || die
+	done
+
+	toolchain_src_prepare
+	eapply "${FILESDIR}"/${PN}-13-fix-cross-fixincludes.patch
+	eapply_user
+}