blob: 1e3a849c675abbe33671987b7cebc49f405d351b (
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
142
143
144
145
146
147
148
149
150
151
152
153
|
# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
PYTHON_COMPAT=( python3_{6..9} )
inherit check-reqs cmake flag-o-matic llvm llvm.org python-any-r1
DESCRIPTION="Compiler runtime libraries for clang (sanitizers & xray)"
HOMEPAGE="https://llvm.org/"
LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
SLOT="$(ver_cut 1-3)"
KEYWORDS=""
IUSE="+clang +libfuzzer +profile +sanitize test +xray elibc_glibc"
# FIXME: libfuzzer does not enable all its necessary dependencies
REQUIRED_USE="libfuzzer? ( || ( sanitize xray ) )"
RESTRICT="!test? ( test ) !clang? ( test )"
CLANG_SLOT=${SLOT%%.*}
# llvm-6 for new lit options
DEPEND="
>=sys-devel/llvm-6"
BDEPEND="
>=dev-util/cmake-3.16
clang? ( sys-devel/clang )
elibc_glibc? ( net-libs/libtirpc )
test? (
!<sys-apps/sandbox-2.13
$(python_gen_any_dep ">=dev-python/lit-5[\${PYTHON_USEDEP}]")
=sys-devel/clang-${PV%_*}*:${CLANG_SLOT}
sys-libs/compiler-rt:${SLOT}
)
${PYTHON_DEPS}"
LLVM_COMPONENTS=( compiler-rt )
LLVM_TEST_COMPONENTS=( llvm/lib/Testing/Support llvm/utils/unittest )
llvm.org_set_globals
python_check_deps() {
use test || return 0
has_version "dev-python/lit[${PYTHON_USEDEP}]"
}
check_space() {
if use test; then
local CHECKREQS_DISK_BUILD=11G
check-reqs_pkg_pretend
fi
}
pkg_pretend() {
check_space
}
pkg_setup() {
check_space
llvm_pkg_setup
python-any-r1_pkg_setup
}
src_prepare() {
sed -i -e 's:-Werror::' lib/tsan/go/buildgo.sh || die
llvm.org_src_prepare
}
src_configure() {
# pre-set since we need to pass it to cmake
BUILD_DIR=${WORKDIR}/compiler-rt_build
if use clang; then
local -x CC=${CHOST}-clang
local -x CXX=${CHOST}-clang++
strip-unsupported-flags
fi
local mycmakeargs=(
-DCOMPILER_RT_INSTALL_PATH="${EPREFIX}/usr/lib/clang/${SLOT}"
# use a build dir structure consistent with install
# this makes it possible to easily deploy test-friendly clang
-DCOMPILER_RT_OUTPUT_DIR="${BUILD_DIR}/lib/clang/${SLOT}"
-DCOMPILER_RT_INCLUDE_TESTS=$(usex test)
# builtins & crt installed by sys-libs/compiler-rt
-DCOMPILER_RT_BUILD_BUILTINS=OFF
-DCOMPILER_RT_BUILD_CRT=OFF
-DCOMPILER_RT_BUILD_LIBFUZZER=$(usex libfuzzer)
-DCOMPILER_RT_BUILD_PROFILE=$(usex profile)
-DCOMPILER_RT_BUILD_SANITIZERS=$(usex sanitize)
-DCOMPILER_RT_BUILD_XRAY=$(usex xray)
-DPython3_EXECUTABLE="${PYTHON}"
)
if use test; then
mycmakeargs+=(
-DLLVM_MAIN_SRC_DIR="${WORKDIR}/llvm"
-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
-DLLVM_LIT_ARGS="$(get_lit_flags)"
# they are created during src_test()
-DCOMPILER_RT_TEST_COMPILER="${BUILD_DIR}/lib/llvm/${CLANG_SLOT}/bin/clang"
-DCOMPILER_RT_TEST_CXX_COMPILER="${BUILD_DIR}/lib/llvm/${CLANG_SLOT}/bin/clang++"
)
# same flags are passed for build & tests, so we need to strip
# them down to a subset supported by clang
CC=${EPREFIX}/usr/lib/llvm/${CLANG_SLOT}/bin/clang \
CXX=${EPREFIX}/usr/lib/llvm/${CLANG_SLOT}/bin/clang++ \
strip-unsupported-flags
fi
if use prefix && [[ "${CHOST}" == *-darwin* ]] ; then
mycmakeargs+=(
# disable use of SDK for the system itself
-DDARWIN_macosx_CACHED_SYSROOT=/
)
fi
cmake_src_configure
if use test; then
local sys_dir=( "${EPREFIX}"/usr/lib/clang/${SLOT}/lib/* )
[[ -e ${sys_dir} ]] || die "Unable to find ${sys_dir}"
[[ ${#sys_dir[@]} -eq 1 ]] || die "Non-deterministic compiler-rt install: ${sys_dir[*]}"
# copy clang over since resource_dir is located relatively to binary
# therefore, we can put our new libraries in it
mkdir -p "${BUILD_DIR}"/lib/{llvm/${CLANG_SLOT}/{bin,$(get_libdir)},clang/${SLOT}/include} || die
cp "${EPREFIX}"/usr/lib/llvm/${CLANG_SLOT}/bin/clang{,++} \
"${BUILD_DIR}"/lib/llvm/${CLANG_SLOT}/bin/ || die
cp "${EPREFIX}"/usr/lib/clang/${SLOT}/include/*.h \
"${BUILD_DIR}"/lib/clang/${SLOT}/include/ || die
cp "${sys_dir}"/*builtins*.a \
"${BUILD_DIR}/lib/clang/${SLOT}/lib/${sys_dir##*/}/" || die
# we also need LLVMgold.so for gold-based tests
if [[ -f ${EPREFIX}/usr/lib/llvm/${CLANG_SLOT}/$(get_libdir)/LLVMgold.so ]]; then
ln -s "${EPREFIX}"/usr/lib/llvm/${CLANG_SLOT}/$(get_libdir)/LLVMgold.so \
"${BUILD_DIR}"/lib/llvm/${CLANG_SLOT}/$(get_libdir)/ || die
fi
fi
}
src_test() {
# respect TMPDIR!
local -x LIT_PRESERVES_TMP=1
# disable sandbox to have it stop clobbering LD_PRELOAD
local -x SANDBOX_ON=0
# wipe LD_PRELOAD to make ASAN happy
local -x LD_PRELOAD=
cmake_build check-all
}
|
GitWeb