summaryrefslogtreecommitdiff
blob: 219cdf7330be538868411a423332429500ee2b3d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
# 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="14.1.0"
PATCH_VER="3"
MUSL_VER="1"
MUSL_GCC_VER="14.1.0"
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=releases/gcc-$(ver_cut 1)
elif [[ -z ${TOOLCHAIN_USE_GIT_PATCHES} ]] ; then
	# Don't keyword live ebuilds
	KEYWORDS="~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
fi

# use alternate source for Apple M1 (also works for x86_64)
SRC_URI+=" elibc_Darwin? ( https://raw.githubusercontent.com/Homebrew/formula-patches/82b5c1cd38826ab67ac7fc498a8fe74376a40f4a/gcc/gcc-14.1.0.diff -> gcc-14.1.0-arm64-darwin.patch https://github.com/iains/gcc-14-branch/commit/75ff8c390327ac693f6a1c40510bc0d35d7a1e22.patch?full_index=1 -> gcc-14.1.0-macos-SDK-availability.patch )"
IUSE+=" bootstrap"

if [[ ${CATEGORY} != cross-* ]] ; then
	# Technically only if USE=hardened *too* right now, but no point in complicating it further.
	# If GCC is enabling CET by default, we need glibc to be built with support for it.
	# bug #830454
	RDEPEND="!prefix-guest? ( elibc_glibc? ( sys-libs/glibc[cet(-)?] ) )"
	DEPEND="${RDEPEND}"
fi

src_prepare() {
	# apply big arm64-darwin patch first thing
	use elibc_Darwin && eapply \
		"${DISTDIR}"/gcc-14.1.0-arm64-darwin.patch \
		"${DISTDIR}"/gcc-14.1.0-macos-SDK-availability.patch

	# make sure 64-bits native targets don't screw up the linker paths
	eapply "${FILESDIR}"/gcc-12-no-libs-for-startfile.patch

	local p upstreamed_patches=(
		# add them here
	)
	for p in "${upstreamed_patches[@]}"; do
		rm -v "${WORKDIR}/patch/${p}" || die
	done

	toolchain_src_prepare
	#
	# make it have correct install_names on Darwin
	eapply -p1 "${FILESDIR}"/4.3.3/darwin-libgcc_s-installname.patch

	if [[ ${CHOST} == powerpc*-darwin* ]] ; then
		# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44107
		sed -i -e 's|^ifeq (/usr/lib,|ifneq (/usr/lib,|' \
			libgcc/config/t-slibgcc-darwin || die
	fi

	if [[ ${CHOST} == *-solaris* ]] ; then
		# madvise is not available in the compatibility mode GCC uses,
		# posix_madvise however, is
		sed -i -e 's/madvise/posix_madvise/' gcc/cp/module.cc || die
	fi

	if [[ ${CHOST} == *-darwin* ]] ; then
		use bootstrap && eapply "${FILESDIR}"/${PN}-13-darwin14-bootstrap.patch

		# our ld64 is a slight bit different, so tweak expression to not
		# get confused and break the build
		sed -i -e "s/EGREP 'ld64|dyld'/& | head -n1/" \
			gcc/configure{.ac,} || die

		# rip out specific macos version min
		sed -i -e 's/-mmacosx-version-min=11.0//' \
			libgcc/config/aarch64/t-darwin \
			libgcc/config/aarch64/t-heap-trampoline \
			|| die
	fi

	eapply "${FILESDIR}"/${PN}-13-fix-cross-fixincludes.patch
	eapply_user
}

src_configure() {
	local myconf=()
	case ${CTARGET}:" ${USE} " in
		powerpc*-darwin*)
			# bug #381179
			filter-flags "-mcpu=*" "-mtune=*"
			# bug #657522
			# A bug in configure checks whether -no-pie works, but the
			# compiler doesn't pass -no-pie onto the linker if -fno-PIE
			# isn't passed, so the configure check always finds -no-pie
			# is accepted.  (Likewise, when -fno-PIE is passed, the
			# compiler passes -no_pie onto the linker.)
			# Since our linker doesn't grok this, avoid above checks to
			# be run
			# NOTE: later ld64 does grok -no_pie, not -no-pie (as checked)
			export gcc_cv_c_no_fpie=no
			export gcc_cv_no_pie=no
		;;
		*-darwin20)
			# use sysroot with the linker, #756160
			export gcc_cv_ld_sysroot=yes
			;;
		*-solaris*)
			# todo: some magic for native vs. GNU linking?
			myconf+=( --with-gnu-ld --with-gnu-as --enable-largefile )
		;;
		i[34567]86-*-linux*:*" prefix "*)
			# to allow the linux-x86-on-amd64.patch become useful, we need
			# to enable multilib, even if there is just one multilib option.
			myconf+=( --enable-multilib )
			if [[ ${CBUILD:-${CHOST}} == "${CHOST}" ]]; then
				# we might be on x86_64-linux, but don't do cross-compile, so
				# tell the host-compiler to really create 32bits (for stage1)
				# (real x86-linux-gcc also accept -m32).
				append-flags -m32
			fi
		;;
	esac

	# Since GCC 4.1.2 some non-posix (?) /bin/sh compatible code is used, at
	# least on Solaris, and AIX /bin/sh is way too slow,
	# so force it to use $BASH (that portage uses) - it can't be EPREFIX
	# in case that doesn't exist yet
	export CONFIG_SHELL="${CONFIG_SHELL:-${BASH}}"
	toolchain_src_configure "${myconf[@]}"
}