sys-devel/gcc: add 12.4.1_p20250604

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

sys-devel/gcc/Manifest

@@ -8,6 +8,7 @@ DIST gcc-12-20241219.tar.xz 79920016 BLAKE2B 71044352515f33eaf0bcc64cc6eacdecb8b
 DIST gcc-12-20250227.tar.xz 79915940 BLAKE2B 0adb19847cb3f317316549f657434654b9923806366a4b95e496effea9c07995b7d3de65c40cc2f62ba1e87cfb0f8cd8a1a833284042fdc5e6fce2bd7e7e9543 SHA512 d01cad1771762f5b56c783d6a3b39415be1c7619229b5ff056fe40ef0bf821c67a2d1a2272c2227a44f92825582579625352d19e2342d11f76a079556dae0ae8
 DIST gcc-12-20250417.tar.xz 79924416 BLAKE2B 4f6542d016693e2392a433c1931a33112fc959e194cdfbe01f76c9f4103d0ba3b899bd4d1993031340d90d5512a2075f8aaf0a73013eaad0afe9708fcefd47dc SHA512 82ee092685d988eb184926f4bd306540d43c7da94a0f76a5b1aaaf134235ee882b07f34e4c9a55cddba11988aafafa8ff0be1fe12330a61c2ee927d63597e7a6
 DIST gcc-12-20250528.tar.xz 79942548 BLAKE2B 3c500796a34ccd863da451de4084cc90d404c9b8d41caccde11a840bc25cf949669ea9b4d4ae58899962aeb37e14ec947068238787a0019bbf22e62135a001ca SHA512 aa4e0583b308b8ada43c209edee54f97606683e1e7dad8e0250a6c77591e8cb2520258973822a91f3a45261a46a0b2e3783214ae6e004eed90cdf3a2faec479c
+DIST gcc-12-20250604.tar.xz 79932044 BLAKE2B 6be96d278106c52bb44cd7a82dcbbc270c99aa914c185fd4bce807dcd11b1dc441d1add7d4220afb8a26b9dda1c0f419c2e3bf40b1b01b64ffc1f7aceb6a0e3c SHA512 e4c1ed3473ee12c9f15af8ca9dceb0700f7af8e96fbed8d10ff276e6031898e5ceaca11e250839b09425448d726300f09c43a3287badbc79179c0d8974cadd07
 DIST gcc-12.4.0-musl-patches-1.tar.xz 3068 BLAKE2B e5e39c24934072ea89e4467d0dc5196f3dadfb5ffba0c856d051648a2fbf57d434a57e95227cdf2b8cea45f0f5555aec2bc372d2f6cb0b69efd87831d248d364 SHA512 b9db204845a25be043d76cae826d42eebeeb4f9be7c3049af6fe7601a552bedfd24731156a6a36b4b5e2e2af656a589a5c556d2b0b3ded33ba290a773ee87c62
 DIST gcc-12.4.0-patches-1.tar.xz 15576 BLAKE2B 98c29888de7701b365be7ac9062f0cee3340d58c85485e26f0d02f1483ec64cc9c10651488a4fd937551afe30f4e19777e6766871a724ae3ba6c290c16f4fdf1 SHA512 3f7c5d36e56e07ea9dd143a5d13342a6c1ccbf0643abd1c0bcbfb46bb7c7b1308aef6e3e882031c9c191610f01af906b19be5aa2b139cf617614f46e97463aec
 DIST gcc-12.4.0-patches-2.tar.xz 14876 BLAKE2B 6bf5abbb2abba4b9fe9fa153ac4112fe5f563e97cd4e1b885ccd0d88abf1124fa91f20d6be972e2242410447be73bca60014785f8551b8087ed0d4cc3e868225 SHA512 dfd5f02d4c1076fad4ee998b2f620171dd3eb65a1160312def9dae89b18327a06db853f569e0e3c049e5ab06c61488bb6faecec52bafe737fddeb43628c54a1f

sys-devel/gcc/gcc-12.4.1_p20250604.ebuild

@@ -0,0 +1,68 @@
+# Copyright 1999-2025 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="12.4.0"
+PATCH_VER="3"
+MUSL_VER="1"
+MUSL_GCC_VER="12.4.0"
+PYTHON_COMPAT=( python3_{10..14} )
+
+if [[ ${PV} == *.9999 ]] ; then
+	MY_PV_2=$(ver_cut 2)
+	MY_PV_3=1
+	if [[ ${MY_PV_2} == 0 ]] ; then
+		MY_PV_2=0
+		MY_PV_3=0
+	else
+	        MY_PV_2=$((${MY_PV_2} - 1))
+	fi
+
+	# e.g. 12.2.9999 -> 12.1.1
+	TOOLCHAIN_GCC_PV=$(ver_cut 1).${MY_PV_2}.${MY_PV_3}
+elif [[ -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}"/${MY_P}
+fi
+
+inherit toolchain
+
+if tc_is_live ; then
+	# Needs to be after inherit (for now?), bug #830908
+	EGIT_BRANCH=releases/gcc-$(ver_cut 1)
+elif [[ -z ${TOOLCHAIN_USE_GIT_PATCHES} ]] ; then
+	# Don't keyword live ebuilds
+	#KEYWORDS="~alpha amd64 arm arm64 hppa ~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
+}