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
|
# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
TOOLCHAIN_PATCH_DEV="sam"
PATCH_VER="7"
PATCH_GCC_VER="12.1.0"
MUSL_VER="4"
MUSL_GCC_VER="12.1.0"
inherit toolchain
# Don't keyword live ebuilds
if ! tc_is_live && [[ -z ${TOOLCHAIN_USE_GIT_PATCHES} ]] ; then
KEYWORDS="~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
fi
# use alternate source for Apple M1 (also works for x86_64)
IANSGCCVER="gcc-12.1-darwin-r0"
SRC_URI+=" elibc_Darwin? (
https://github.com/iains/gcc-12-branch/archive/refs/tags/${IANSGCCVER}.tar.gz )"
# 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="${RDEPEND}"
BDEPEND=">=${CATEGORY}/binutils-2.30[cet(-)?]"
src_unpack() {
if use elibc_Darwin ; then
# just use Ian's source, not the main one
S="${WORKDIR}/gcc-12-branch-${IANSGCCVER}"
fi
default
}
src_prepare() {
toolchain_src_prepare
eapply_user
# make sure 64-bits native targets don't screw up the linker paths
eapply "${FILESDIR}"/gcc-12-no-libs-for-startfile.patch
if use prefix; then
eapply "${FILESDIR}"/gcc-12-prefix-search-dirs.patch
# try /usr/lib32 in 32bit profile on x86_64-linux (needs
# --enable-multilib), but this does make sense in prefix only
eapply -p0 "${FILESDIR}"/${PN}-4.8.3-linux-x86-on-amd64.patch
fi
# 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
}
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 )
# Solaris 11 defines this in its headers, but that causes a
# mismatch whilst compiling, bug #657514
export ac_cv_func_aligned_alloc=no
export ac_cv_func_memalign=no
export ac_cv_func_posix_memalign=no
;;
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[@]}"
}
|
GitWeb