sys-devel/gcc: add 15.0.0_pre20240721

Closes: https://bugs.gentoo.org/936227
Signed-off-by: Sam James <[email protected]>

sys-devel/gcc/Manifest

@@ -27,9 +27,11 @@ DIST gcc-14.1.0-musl-patches-1.tar.xz 3600 BLAKE2B 4cd920b7ca1f122cae806707564d8
 DIST gcc-14.1.0-patches-3.tar.xz 11868 BLAKE2B 06d079766bfbaddd066cd70f2d3f5e9ef17f3617fe90de4cb0a9562e6c3b2dc46d94dce03649f2e530c21e3fa0e0e6e5aae3c7b768bd08717c4f29ff29b00a04 SHA512 636a2853b5bf057fef262d54bcb250f3ebf63c600bc184cfea499783d254c462f6c0ecf5f0c5dac6634110ba0d11193fbfb96850ac27fc5a318f1d810f2231cc
 DIST gcc-14.1.0-patches-4.tar.xz 11620 BLAKE2B c819fbdea1f3bf10c8d4214d4c33cf28c1410171d2833b6f8c1225eeefe749ddb815067b3fdb750e5839761aee8d39ffc51ffb492f88e630076818a61b18362b SHA512 0d6e1b04591607dfc8022124b186ce499467c32db7667ee1a640fe2e07706597edc0e4ad5c7ebcb75c8f5fc6e45e9b9ef715402c71ff9ab21fe380007fe5d84f
 DIST gcc-15-20240714.tar.xz 88493908 BLAKE2B d11436fcbdf3c106e3de706514d4a48a33255ab1ac03d1ae25531415dc418007f391d92a502e12ab6ed31f573431cafdbbc97d153d7481b7455e380582f4518b SHA512 e2b9f3765002b670a1cc3be88e0e99ce710fe9cc1fa06d43026bbb2e2795c9955b0283a1a18d32311e82dc28efe6c67a93c1fd7ad5ffeef18f260c6aa69cab6a
+DIST gcc-15-20240721.tar.xz 88534600 BLAKE2B c057709e193fafa22cc753805e48cf092e0e3c29b656265b1f51e1e84d3d1b5bc07e0633b87e952199d3a885ce981bbecf07a9f00355c43aaad71c6f62250f54 SHA512 c689893f16ec88643854b53e3cc6e8ff49d44d7a4840f95b31aa5f82567c70a080651cc9e5cbaa19b7b099ea52687cfbd88fc1771e52f3c3cd1fe84048060955
 DIST gcc-15.0.0-musl-patches-2.tar.xz 3076 BLAKE2B 0073248fe4f7dd827980559017b5aa1fb5c4c46acc9ad5c410dc152fd1e44966d3066bf7152338573cb45b1c36027de5f0c519abd414d97a37bccef07f6a5281 SHA512 295f1a669020bbe2874e9b03afd46b5d083073b276fca3543f3767a2d74f35df81cf0a67abad50c200cf7a3af36ec98ff9977cb7d5c19f334af7d3bb1926a3de
 DIST gcc-15.0.0-patches-4.tar.xz 11440 BLAKE2B 8b7379f91ac14dd1e496de744d221cb0ba1802c14ce32cb90e6311ca7a60cbaf488a57060673e2e9d407eed6d3c5b092c1ba6da27036d35e0c78a7ac8a5f5ec4 SHA512 92e8895ec1c6054b46581867f3e49bd2d574043ae82ca441e2b48d9ed0e2dd5c58baa53ba605ce59a5c1d59473ac0d79c0287e5b47d06f0a661c655a19a4a5df
 DIST gcc-15.0.0-patches-5.tar.xz 11840 BLAKE2B 9af335f7e1795e600eae742ac32f5ff737f157aaa35902227ba29b28013c95bcf5b2b1345a21c433bc10f4cfbfc267a595b6ca90ec2723f7f24fccac3f7c0355 SHA512 8cc8ec574640470780711bb5f6163f382c23999152c229d86e1143e03275a3147bd1fc0cd9bf3642a2402333ec565d30b90a6e367284b78ccc580c6721aeac23
+DIST gcc-15.0.0-patches-6.tar.xz 11588 BLAKE2B 7846d77859b297a892a23b995c9aa06410c484a8f6e11fa9c9692de0f1b0a03aa1f35c4b88f164623a600bf2012fff25567075203c57fdbcb26bbc95f94d1cf9 SHA512 837ed8b5f6901715862951726e85eea043aec192f854db23201326fd6bedb7552c95527d253736c0164153b75ec487b4644fd269f9f6815b4489416602ebfe78
 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-15.0.0_pre20240721.ebuild

@@ -0,0 +1,52 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+TOOLCHAIN_PATCH_DEV="sam"
+PATCH_GCC_VER="15.0.0"
+PATCH_VER="6"
+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 ~ia64 ~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
+}