blob: 0caa7f0324de7290f0beb0f0192bb62200d2e48a (
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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
PYTHON_COMPAT=( python3_{10..12} )
inherit cmake crossdev flag-o-matic llvm llvm.org python-any-r1 toolchain-funcs
DESCRIPTION="Compiler runtime library for clang (built-in part)"
HOMEPAGE="https://llvm.org/"
LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
SLOT="${LLVM_MAJOR}"
KEYWORDS="~amd64 ~arm ~arm64 ~loong ~ppc64 ~riscv ~x86 ~amd64-linux ~ppc-macos ~x64-macos"
IUSE="+abi_x86_32 abi_x86_64 +clang debug test"
RESTRICT="!test? ( test ) !clang? ( test )"
DEPEND="
sys-devel/llvm:${LLVM_MAJOR}
"
BDEPEND="
>=dev-util/cmake-3.16
clang? ( sys-devel/clang )
test? (
$(python_gen_any_dep ">=dev-python/lit-15[\${PYTHON_USEDEP}]")
=sys-devel/clang-${LLVM_VERSION}*:${LLVM_MAJOR}
)
!test? (
${PYTHON_DEPS}
)
"
LLVM_COMPONENTS=( compiler-rt cmake llvm/cmake )
llvm.org_set_globals
python_check_deps() {
use test || return 0
python_has_version ">=dev-python/lit-15[${PYTHON_USEDEP}]"
}
pkg_pretend() {
if ! use clang && ! tc-is-clang; then
ewarn "Building using a compiler other than clang may result in broken atomics"
ewarn "library. Enable USE=clang unless you have a very good reason not to."
fi
}
pkg_setup() {
# Darwin Prefix builds do not have llvm installed yet, so rely on
# bootstrap-prefix to set the appropriate path vars to LLVM instead
# of using llvm_pkg_setup.
if [[ ${CHOST} != *-darwin* ]] || has_version sys-devel/llvm; then
LLVM_MAX_SLOT=${LLVM_MAJOR} llvm_pkg_setup
fi
if target_is_not_host || tc-is-cross-compiler ; then
# strips vars like CFLAGS="-march=x86_64-v3" for non-x86 architectures
CHOST=${CTARGET} strip-unsupported-flags
# overrides host docs otherwise
DOCS=()
fi
python-any-r1_pkg_setup
}
test_compiler() {
target_is_not_host && return
$(tc-getCC) ${CFLAGS} ${LDFLAGS} "${@}" -o /dev/null -x c - \
<<<'int main() { return 0; }' &>/dev/null
}
src_configure() {
# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
# pre-set since we need to pass it to cmake
BUILD_DIR=${WORKDIR}/${P}_build
if use clang && ! is_crosspkg; then
# Only do this conditionally to allow overriding with
# e.g. CC=clang-13 in case of breakage
if ! tc-is-clang ; then
local -x CC=${CHOST}-clang
local -x CXX=${CHOST}-clang++
fi
strip-unsupported-flags
fi
if ! is_crosspkg && ! test_compiler ; then
local nolib_flags=( -nodefaultlibs -lc )
if test_compiler "${nolib_flags[@]}"; then
local -x LDFLAGS="${LDFLAGS} ${nolib_flags[*]}"
ewarn "${CC} seems to lack runtime, trying with ${nolib_flags[*]}"
elif test_compiler "${nolib_flags[@]}" -nostartfiles; then
# Avoiding -nostartfiles earlier on for bug #862540,
# and set available entry symbol for bug #862798.
nolib_flags+=( -nostartfiles -emain )
local -x LDFLAGS="${LDFLAGS} ${nolib_flags[*]}"
ewarn "${CC} seems to lack runtime, trying with ${nolib_flags[*]}"
fi
fi
local mycmakeargs=(
-DCOMPILER_RT_INSTALL_PATH="${EPREFIX}/usr/lib/clang/${LLVM_MAJOR}"
-DCOMPILER_RT_INCLUDE_TESTS=$(usex test)
-DCOMPILER_RT_BUILD_LIBFUZZER=OFF
-DCOMPILER_RT_BUILD_MEMPROF=OFF
-DCOMPILER_RT_BUILD_ORC=OFF
-DCOMPILER_RT_BUILD_PROFILE=OFF
-DCOMPILER_RT_BUILD_SANITIZERS=OFF
-DCOMPILER_RT_BUILD_XRAY=OFF
-DPython3_EXECUTABLE="${PYTHON}"
)
if use amd64 && ! target_is_not_host; then
mycmakeargs+=(
-DCAN_TARGET_i386=$(usex abi_x86_32)
-DCAN_TARGET_x86_64=$(usex abi_x86_64)
)
fi
if is_crosspkg; then
# Needed to target built libc headers
export CFLAGS="${CFLAGS} -isystem /usr/${CTARGET}/usr/include"
mycmakeargs+=(
# Without this, the compiler will compile a test program
# and fail due to no builtins.
-DCMAKE_C_COMPILER_WORKS=1
-DCMAKE_CXX_COMPILER_WORKS=1
# Without this, compiler-rt install location is not unique
# to target triples, only to architecture.
# Needed if you want to target multiple libcs for one arch.
-DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON
-DCMAKE_ASM_COMPILER_TARGET="${CTARGET}"
-DCMAKE_C_COMPILER_TARGET="${CTARGET}"
-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON
)
fi
if use prefix && [[ "${CHOST}" == *-darwin* ]] ; then
mycmakeargs+=(
# setting -isysroot is disabled with compiler-rt-prefix-paths.patch
# this allows adding arm64 support using SDK in EPREFIX
-DDARWIN_macosx_CACHED_SYSROOT="${EPREFIX}/MacOSX.sdk"
# Set version based on the SDK in EPREFIX.
# This disables i386 for SDK >= 10.15
-DDARWIN_macosx_OVERRIDE_SDK_VERSION="$(realpath ${EPREFIX}/MacOSX.sdk | sed -e 's/.*MacOSX\(.*\)\.sdk/\1/')"
# Use our libtool instead of looking it up with xcrun
-DCMAKE_LIBTOOL="${EPREFIX}/usr/bin/${CHOST}-libtool"
)
fi
if use test; then
mycmakeargs+=(
-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
-DLLVM_LIT_ARGS="$(get_lit_flags)"
-DCOMPILER_RT_TEST_COMPILER="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/bin/clang"
-DCOMPILER_RT_TEST_CXX_COMPILER="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/bin/clang++"
)
fi
cmake_src_configure
}
src_test() {
# respect TMPDIR!
local -x LIT_PRESERVES_TMP=1
cmake_build check-builtins
}
|
GitWeb