sys-devel/gcc: add 17.0.0_p20260426

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

sys-devel/gcc/Manifest

@@ -43,6 +43,9 @@ DIST gcc-16.0.0-patches-45.tar.xz 32152 BLAKE2B b1d8cb39a18ff932d4ed817fc04a2094
 DIST gcc-16.0.0-patches-46.tar.xz 26280 BLAKE2B 0070161d8fe0cfbab6593d4b6bd9980be683705069f7ce0892851fc467eb900728d604c98ab1403fe38cf6ffe65f8177d7c6587d40a3487e576e1581b6e803f7 SHA512 27011f9ac40fb54b935b4f1f4e3536fb8c9418757975c629cc01ffdce40376b04eaa02a572d6beb7e991dc00528a9227682a8877006d4f48a908a1634a947c68
 DIST gcc-16.1.0-RC-20260423.tar.xz 102644156 BLAKE2B ab5929153cdfc8f278a7a3e584b92fcade69bb2fe3d9d7e793f57d538028cff0a49bf3c2a48b2670ead1b12473593f1a7a08c108f9eb066202d2a6266bbf5f1d SHA512 d4e155a55aa760b307c8168028af2d7c4dc5d15d64988d22e9d65915d30d632fc261c96bb8725b4815db24c81529cfe6d85a2a699b53fd9972d639716519303e
 DIST gcc-16.1.0-RC-20260424.tar.xz 102625912 BLAKE2B 22df54a386dbdf8b1f4c5195ea21d5d7938fd22e2dc3271c3e3b18b49d9a9693e61fd0662c54b23bd7e66a1044629365656900f280a301c30a677a30879887f5 SHA512 2e3a8069fe8ba0d1a4475552fd5b7a7861bd07b39f9b07ff8db66987ecff16b1eab474f18a5c4098161975d7038fa2e609ffb0f61d14fe567a00f1c862211dca
+DIST gcc-17-20260426.tar.xz 98950460 BLAKE2B 05e078c2e71ae5877172d1940ca150e4bfccda156acab2594f8794cef99e25d161965c32827c7f720ffd193d25e41d31632dc36920f4fcece8a66b01eb136184 SHA512 a51cdd6ab718c545aa6a85594f4d92defdf87eee914f37c5556cbdbaae52c1683b8a106c0d22eb3ba4b5f1a1ebddcf5c9d9a3182f6c71b796b95276cf7c7cf41
+DIST gcc-17.0.0-musl-patches-1.tar.xz 3040 BLAKE2B cc39906facd9c395bae9f87c67124066b8081521df39857d752f1e398dca5113240d24a836ca0f793313f954d6c38ff39961bf71a8036a1d5bc62751e71eb7c9 SHA512 4e330ee1c87229ba30644ad7a6841683aba368ce00585b5a7af433f215e248534a8d81f6f95fcf7b348c7d9aeaf1eeae015d76601e3d918a0ca39d94ed7e521c
+DIST gcc-17.0.0-patches-1.tar.xz 25196 BLAKE2B 7db76cfcc56556489c5c0698bad9d8f8f41d57f81ee439c7dc57add47858226fc37e8818e1644be69eff7322d4823b28571784dc0166624c866868b92c9f6e42 SHA512 9349836f0578d121b2b824c91f6ec18e5df3c4fc811f9b5e118e0ee957f9983cb2ff3b8b254b5dd912b5b1113259a3e2ac5e7b06c7c121ba9ca964c89a73bfa0
 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
 DIST gcc-9.5.0-patches-3.tar.xz 17888 BLAKE2B f2be05f32f4ecca41ebf4f402bf8fb3c11a36a8b7bd912ee9fe6baea980929774b629e12df7afb3405f1f5d044766a437b3eca5433f4af6c757f4a9dbb2e77eb SHA512 d31bb1964cdb2376572e4981b22c7ffa6fa695259c27af5d0d12aebc334cd1122c2f75739033f25f1e672300adeab2b3772622cb16099d002f3f8c5a8fe694f9

sys-devel/gcc/gcc-17.0.0_p20260426.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_HAS_TESTS=1
+PATCH_GCC_VER="17.0.0"
+PATCH_VER="1"
+MUSL_GCC_VER="17.0.0"
+MUSL_VER="1"
+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
+	[[ ${CHOST} == m68k-* ]] && eapply "${FILESDIR}"/${PN}-15-m68k-workaround.patch
+	eapply_user
+}