sys-devel/gcc: add 17.0.0_p20260524

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

sys-devel/gcc/Manifest

@@ -60,6 +60,7 @@ DIST gcc-17-20260426.tar.xz 98950460 BLAKE2B 05e078c2e71ae5877172d1940ca150e4bfc
 DIST gcc-17-20260503.tar.xz 98970580 BLAKE2B 5b2046d78d8519fa0e29e61731bfba80c1a3108e8b981afa2c98362bcb5a525113c3fa3b168c8244e3dc65f99c5f445b675fc2de1c51039ed994667f88e73449 SHA512 18c1257fe9012c43a3d6121a9cc1244fb0b42b3951a136e34a58741e4aa71a9ed0c11014ca3e5ccc1cc81c22eb07bf134b25c072a7da470238306d3d36d6dcb2
 DIST gcc-17-20260510.tar.xz 98978656 BLAKE2B e5b26081251772e47819c7848c834a2b1e3ad3421bac0e407b7abe6d30635c394c49a04f845b53622b2833e5941b853e2985a395c50152b9aa076aacbf0da278 SHA512 79748b2df412adfe5578a24d4698a17cd505d532b520b2bad0fde1cf8d21b7593958f565de289d301fa322002edc1a506b19076c84c65e3f1afd65d1d3c96f2b
 DIST gcc-17-20260517.tar.xz 99029888 BLAKE2B 461d73eae5752ddc56beb0aa1b765c355bf52779780af6944f4505b85d687b7ecf94cb805279f0e20368a25d74cb850b285ba4bd8c3b9940d97a4ffbfa7196a2 SHA512 43da20698110c50207307bef89518e0225b090615a80fa4def0f17d26b9ae94c5f70cf05299d8517710065b91daf6f61ee433637671ae2971ee82feab12517b9
+DIST gcc-17-20260524.tar.xz 99113748 BLAKE2B ecb39c8dd44292f280457f3940cfb8e522f394593db4f760f9e7e26889f6b5344a559169e37abd910c6179584645183faf98cd8df7a7cb02379b125c91ab3aeb SHA512 587f92bfe5c601297e47f6b5bafdc75dfec0d0221c5a0096e458f3efbf5386bb10631992ac292462e95500470319f4a406eeefab4387789d8e98ad32281d9e30
 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-17.0.0-patches-2.tar.xz 25148 BLAKE2B 0d1358c7cca8ed3779d0b618160fa31105dd1a84f0b84f351edaf0095e5e72cc59e204b70f843a7c327c4ea8a243c2ddfddfefc61ce1b1bc6275855cf84f4abc SHA512 80bc3b6369a602b4705f8ae658962c5ab23e3e93bcb91fa551ca9e180e3a8cdea534190d21702313a4bf8bbdbf26c6984eee53ee3c5a346ce4cee549b376f1ca

sys-devel/gcc/gcc-17.0.0_p20260524.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="4"
+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
+}