sys-devel/gcc: add 16.0.1_p20260118

Note the rename as stage4 now.

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

sys-devel/gcc/Manifest

@@ -57,6 +57,7 @@ DIST gcc-16-20251221.tar.xz 97719712 BLAKE2B 823a0950b089501e1bd9d89910320a68579
 DIST gcc-16-20251228.tar.xz 97763020 BLAKE2B ef6d042247b40dd77e28c3b96d8a3df21e92af32eb00327e54c4410099de7a6d7318970f9b8bdbea7aa505c4b82b284bf30e8534015d302cecd393bd300055e8 SHA512 f8107296db1bdc2d59655cca0641236b7cc9eab710a4e6801b6d66777f81c035219b9ee2504c91a7724cf5948dfb3a347778c0b04d8f842c9b4d0a129c940dab
 DIST gcc-16-20260104.tar.xz 97818844 BLAKE2B d6f6ea976e5a43c1ccf71a75142b5f8dbe753f6e57ce0ff0bc65934e07a994022fb4dc2ebe8880b33e06ee3f1524e5213905f2d3b2785d16ff28bb192f0713d7 SHA512 8b4c666cef4be7315f16bafdca381f69d03fe78b17bb2bbaf99027a67c208f2e0861839a0c776f6b98c1f6f69e41e78fb8388ec50ca1e7bf77fd959f37abf6f0
 DIST gcc-16-20260111.tar.xz 97904568 BLAKE2B 1a8d4e39c4d61a98dee05ba55f533df47ca6c0c5397807001d747a86df01caa79a25643a1f6e1c1512ccde59a4c9e29b029afca83e15fbcd0db832f08319f9ff SHA512 306dc57135047822c0ad10107887344cb10062da32e7fd500a75512524031886105b4bbbb73c7afccbb0e938c38c9dd9d268f4525da12291a30955ab935031ef
+DIST gcc-16-20260118.tar.xz 98164840 BLAKE2B 2a269b36539ae8afc19c8b6cb2a641dc4c77634c7ef7e4e4bd9fb179260e035e3f95e7e8f140c9b029eb0260a3b0a9b504fd994e932d11bb45ea1b6928ee3fac SHA512 4980c05a4cdcef2e71e6c48ece7bd135aeeb7c374a1a92779bfdaa304e1bc7bcadf96c945c3b0e22ea21ab7010a29e2fcda737c31e448bda70d91e827da0a6e7
 DIST gcc-16.0.0-musl-patches-1.tar.xz 3040 BLAKE2B 18b16357699780eb470cf44a10710281955140103198e0bd55b75e1efe3dbec233689edb11e1b9a62f782f3d97293af4906c18c2c41613b422eda085ee819467 SHA512 5ba580c7c7bb9e62935a5162d44d357cc31185a113acff7498ed7b1ac43fd0a35de7c3de0c87f02fe0be46b5e55b49bb35d1f5cd470058d21a9ea4096a37e13d
 DIST gcc-16.0.0-patches-24.tar.xz 20584 BLAKE2B e94a74b867317f5f5a126231783b5c15be729ec3f20863d46ed97f2eace67718d3a3a7f1cf6d040453057e764af4e4a2aeaeae7f6a09a5d966dd9df22716db4b SHA512 750fbade44cafddd7d54a942413193732649486fc83055a90049b461cbae96f6924fa38e1489c2dbf49d082f59fc6932658a563ee5a167fe1bba9f6bb7f23bed
 DIST gcc-16.0.0-patches-25.tar.xz 17940 BLAKE2B 140856458acac807c2a78d97e0f10cc4d0012ad913a1d61411dd9f01ccc6e355fce219a1a0de1cae2cb4fc57b84fdc429ea65932964230b0f4852d6e61a62ee6 SHA512 2272aed3ab6d06c9f611adb01f5bbcd8c7eb4531aee41d456a3224a3b0b388f7bd9c541e4d5d8850e48450ae871074195d03ed83dc30292f2db5be9b4a7cdfb7
@@ -66,6 +67,7 @@ DIST gcc-16.0.0-patches-28.tar.xz 25820 BLAKE2B f7ff876b6b5081a72c0e004bbc2fa94c
 DIST gcc-16.0.0-patches-29.tar.xz 26752 BLAKE2B cb43d218f9429b38794a130fa787961485721136ae14898d105041db1ee17c4a3297b5e8a8ed9bb7b464dead352eca7cd11906ad3b4a829178eba0172e49d280 SHA512 d27cb569bed0bd8d3867b1cb1d90c4191a995fe8509d3317f036b9c403a5ed82f179f6c83d25cf56308709cb78e8045a53c7ca93a0402c13511ac70807aa5e8b
 DIST gcc-16.0.0-patches-30.tar.xz 27808 BLAKE2B e9980fa333ebe059a1206389ad891b8e17f883a826a3802bfa81553a76b639a04fc2348cbb5bddaf9ddeafca04b9fd42bb216fb3bf24582fa9492b2b84b29a43 SHA512 4dc72e5949c6d9dd4224d5aef093682f870eb7544f7685ff30ced2dd779e2bc56056dfea35c220b67f069d96dfb61016b35ad0512b94de25f3f9f47b78e8010a
 DIST gcc-16.0.0-patches-31.tar.xz 25864 BLAKE2B ae8225d233d0d9a5e12dd4b88a8ce8998e3b5cff6c333a7afa316e1f869dd6282fa26817d21ca78056df15d0fe1929a95b976fcf2636f32ba24a30657ba3ba62 SHA512 13e7a66e27deb5c2d16e98f547f683b22d39c7b879d8f71b40bfadd772e5e791f22c272ad35bcd32344604eafbc6c273540a9042b98e88a6f9d69560841bf636
+DIST gcc-16.0.0-patches-32.tar.xz 28516 BLAKE2B 96fa377ca68ca739f258078a1058b80af97ab53a4fa1ef2e3ee92e4649ee4f3fa60a50a87a093f44b9f19fdea00e2b838016f49494451bacc5c20bcc350b214e SHA512 9bf9dfd367d814335067e35e05de995ecfd9e11f285352f40ef0926ca94b3c29b480baf7af1c94ecd15bf9360752843ff26fa8c0ea5f5a742bb0ebcaaa7c7c89
 DIST gcc-16.0.0_p20260111_p20260113-patches.tar.xz 54368 BLAKE2B 4042bb89434e6a506c93b35be23a3298e05e844a870f0423fc574782a6a5ccc5240f0a2e7003f02381e6ef295ef3893d2bb4ca080282adac0593ff87946ca193 SHA512 1ffbe13fe402f988d640d956d6b18729354cd4cbd117d31da982c6d18612d829485a8aacd594c7d3ca97c6ff1e16ee6f4af24e9b23aa13c7df2843bd972d73ad
 DIST gcc-8.5.0-patches-5.tar.xz 20188 BLAKE2B 45b29161105edc6344bb48f5bdf17e1aad6e8d9edb4d9434816425996c1b12c10f1303963776adad9db866d845f864d80d198a30e35ee6c204ca3659cf7a1401 SHA512 f22ab5d8e3116e2e896a5dcbbf5cef67dc5090182af364ef64fc22d2b28c029da5ed39f126f446721e388e7b6848239d01f5fc0346e49b96d5c04068b557f8f8
 DIST gcc-8.5.0.tar.xz 63841008 BLAKE2B aa81a1a730fd7371360f6abed6ba78b5843fd18c58d5de5687acc320741b9e430e85df3535a1ef7a26051409be8d2f0945f503e5968480d919103123a99d4b12 SHA512 92f599680e6b7fbce88bcdda810f468777d541e5fddfbb287f7977d51093de2a5178bd0e6a08dfe37090ea10a0508a43ccd00220041abbbec33f1179bfc174d8

sys-devel/gcc/gcc-16.0.1_p20260118.ebuild

@@ -0,0 +1,56 @@
+# Copyright 1999-2026 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="32"
+MUSL_VER="1"
+MUSL_GCC_VER="16.0.0"
+PYTHON_COMPAT=( python3_{11..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
+}