sys-devel/gcc: add 15.0.0_pre20241013

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

sys-devel/gcc/Manifest

@@ -30,6 +30,7 @@ DIST gcc-14.1.0-musl-patches-1.tar.xz 3600 BLAKE2B 4cd920b7ca1f122cae806707564d8
 DIST gcc-14.2.0-patches-1.tar.xz 13208 BLAKE2B 17247d5b8871d60a33175302b9657c70f161ae49cb1fea0f217c54d3644151c9cae705b6f88e440fc872597447dabe8c12d9f6c40cbc91fb5e161015e614b3ea SHA512 b7a6939894f48bb046e407bac50db15c9301552afa7d300794243dd139837fdb3a293e4d95259247dd3622e01affcc086393ee5422331bb3d796450a72d6d0fa
 DIST gcc-15-20240929.tar.xz 89549712 BLAKE2B 90b22ddf10f3c7f36f8a19e3a4436fed73b89f84b3f0c837cc12ba8585da1a2e38fc46801213dd6f8e61b115cf0a9f3952caeae268a9f6814c97f7ad08507358 SHA512 f082b945639db38125019f923856874b7f2a937168853c6339d0d9fbc5f0aa146879f4147b06759653c374c4e063fd02585a0fe942e666bcbb07851a308a652c
 DIST gcc-15-20241006.tar.xz 89582908 BLAKE2B d107d960db81e8e92c072ed5a25313b36b9e169575da00bc6bd4a0bfb74741ec162bbee0651db2b4e0d862bc87df0c53f5328863c082a32d29a7b786e93c11ef SHA512 5d220e95db5aff2e5a3c9487ae847e1c57224d9e4bcca3667b0e1f1e722766997348ed121837f099d177456d006adee9392fee3e10127b1b336b17f29aa84211
+DIST gcc-15-20241013.tar.xz 89662068 BLAKE2B 953c44723905b94cc3d2022d31e200e0463c49ebdf052f91f3acf7128a9cd37184e75a367b7af8a563a72585229f2891005fa94ed3197fa986cc436a94cea1b8 SHA512 d8d572c26477919327817404a23d9d8deeb3816018f5a1baeb327cb59ec43ee1a90067158b9e7d5087eeb280853890073fd6449c41e3483237108d038d7a9f26
 DIST gcc-15.0.0-musl-patches-2.tar.xz 3076 BLAKE2B 0073248fe4f7dd827980559017b5aa1fb5c4c46acc9ad5c410dc152fd1e44966d3066bf7152338573cb45b1c36027de5f0c519abd414d97a37bccef07f6a5281 SHA512 295f1a669020bbe2874e9b03afd46b5d083073b276fca3543f3767a2d74f35df81cf0a67abad50c200cf7a3af36ec98ff9977cb7d5c19f334af7d3bb1926a3de
 DIST gcc-15.0.0-patches-13.tar.xz 16480 BLAKE2B b3d9637972ac3644ba0191cb26aa2c9f624ead14816a6358db81745ef984af9de3c0c1f5576edc3045d877b3907a97566b468734baa2e6b2a351187d3e9ff80e SHA512 da368e83643fe2312655654be2de4824c3b5e7efaafbf2dcf63aafa48580cfe74e5394707c577d82e22336dbadd52414e31a597dc3565d0378f3ead5323b9b3c
 DIST gcc-15.0.0-patches-14.tar.xz 14764 BLAKE2B 3da7b4d81ea45ca1254ab9f290ca0c94cacb2d168aa0b3f6b0ef18193f911e204148b1790df9ddf7d1f6955777b3470030e73751fc7d1c0fd23bccfdee10fcbf SHA512 7133b5df5f07307f85a07b05fdc5f8166920aa93b13c1465812be572c7185b7fcf174cc36ddb2bc9fd2323dd010db9a42d35df9871f185794cd22bff57c43eb9

sys-devel/gcc/gcc-15.0.0_pre20241013.ebuild

@@ -0,0 +1,53 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+TOOLCHAIN_PATCH_DEV="sam"
+TOOLCHAIN_HAS_TESTS=1
+PATCH_GCC_VER="15.0.0"
+PATCH_VER="15"
+MUSL_VER="2"
+MUSL_GCC_VER="15.0.0"
+PYTHON_COMPAT=( python3_{10..12} )
+
+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_user
+}