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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
|
# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=6
PYTHON_COMPAT=( python2_7 python3_{5,6,7} pypy )
inherit check-reqs eapi7-ver estack flag-o-matic llvm multiprocessing multilib-build python-any-r1 rust-toolchain toolchain-funcs
if [[ ${PV} = *beta* ]]; then
betaver=${PV//*beta}
BETA_SNAPSHOT="${betaver:0:4}-${betaver:4:2}-${betaver:6:2}"
MY_P="rustc-beta"
SLOT="beta/${PV}"
SRC="${BETA_SNAPSHOT}/rustc-beta-src.tar.xz"
else
ABI_VER="$(ver_cut 1-2)"
SLOT="stable/${ABI_VER}"
MY_P="rustc-${PV}"
SRC="${MY_P}-src.tar.xz"
KEYWORDS="amd64 ~arm64 ~ppc64 x86"
fi
RUST_STAGE0_VERSION="1.$(($(ver_cut 2) - 1)).0"
DESCRIPTION="Systems programming language from Mozilla"
HOMEPAGE="https://www.rust-lang.org/"
SRC_URI="https://static.rust-lang.org/dist/${SRC} -> rustc-${PV}-src.tar.xz
$(rust_all_arch_uris rust-${RUST_STAGE0_VERSION})"
ALL_LLVM_TARGETS=( AArch64 AMDGPU ARM BPF Hexagon Lanai Mips MSP430
NVPTX PowerPC Sparc SystemZ WebAssembly X86 XCore )
ALL_LLVM_TARGETS=( "${ALL_LLVM_TARGETS[@]/#/llvm_targets_}" )
LLVM_TARGET_USEDEPS=${ALL_LLVM_TARGETS[@]/%/?}
LICENSE="|| ( MIT Apache-2.0 ) BSD-1 BSD-2 BSD-4 UoI-NCSA"
IUSE="clippy cpu_flags_x86_sse2 debug doc libressl rls rustfmt system-llvm wasm ${ALL_LLVM_TARGETS[*]}"
# Please keep the LLVM dependency block separate. Since LLVM is slotted,
# we need to *really* make sure we're not pulling one than more slot
# simultaneously.
# How to use it:
# 1. List all the working slots (with min versions) in ||, newest first.
# 2. Update the := to specify *max* version, e.g. < 9.
# 3. Specify LLVM_MAX_SLOT, e.g. 8.
LLVM_DEPEND="
|| (
sys-devel/llvm:8[llvm_targets_WebAssembly?]
)
<sys-devel/llvm-9:=
"
LLVM_MAX_SLOT=8
COMMON_DEPEND="
sys-libs/zlib
!libressl? ( dev-libs/openssl:0= )
libressl? ( dev-libs/libressl:0= )
net-libs/libssh2
net-libs/http-parser:=
net-misc/curl[ssl]
system-llvm? (
${LLVM_DEPEND}
)
"
DEPEND="${COMMON_DEPEND}
${PYTHON_DEPS}
|| (
>=sys-devel/gcc-4.7
>=sys-devel/clang-3.5
)
dev-util/cmake"
RDEPEND="${COMMON_DEPEND}
>=app-eselect/eselect-rust-20190311
!dev-util/cargo
rustfmt? ( !dev-util/rustfmt )"
REQUIRED_USE="|| ( ${ALL_LLVM_TARGETS[*]} )
wasm? ( llvm_targets_WebAssembly )
x86? ( cpu_flags_x86_sse2 )
"
PATCHES=(
"${FILESDIR}"/0001-llvm-cmake-Add-additional-headers-only-if-they-exist.patch
"${FILESDIR}"/1.34.0-doc-build-fix.patch
"${FILESDIR}"/1.34.0-libressl.patch # bug 684224
)
S="${WORKDIR}/${MY_P}-src"
toml_usex() {
usex "$1" true false
}
pre_build_checks() {
CHECKREQS_DISK_BUILD="7G"
eshopts_push -s extglob
if is-flagq '-g?(gdb)?([1-9])'; then
CHECKREQS_DISK_BUILD="10G"
fi
eshopts_pop
check-reqs_pkg_setup
}
pkg_pretend() {
pre_build_checks
}
pkg_setup() {
pre_build_checks
python-any-r1_pkg_setup
use system-llvm && llvm_pkg_setup
}
src_prepare() {
local rust_stage0_root="${WORKDIR}"/rust-stage0
local rust_stage0="rust-${RUST_STAGE0_VERSION}-$(rust_abi)"
"${WORKDIR}/${rust_stage0}"/install.sh --disable-ldconfig --destdir="${rust_stage0_root}" --prefix=/ || die
# ugly hack for https://bugs.gentoo.org/679806
if use ppc64; then
sed -i 's/getentropy/gEtEnTrOpY/g' "${rust_stage0_root}"/bin/cargo || die
export OPENSSL_ppccap=0
fi
default
}
src_configure() {
local rust_target="" rust_targets="" arch_cflags
# Collect rust target names to compile standard libs for all ABIs.
for v in $(multilib_get_enabled_abi_pairs); do
rust_targets="${rust_targets},\"$(rust_abi $(get_abi_CHOST ${v##*.}))\""
done
if use wasm; then
rust_targets="${rust_targets},\"wasm32-unknown-unknown\""
fi
rust_targets="${rust_targets#,}"
local extended="true" tools="\"cargo\","
if use clippy; then
tools="\"clippy\",$tools"
fi
if use rls; then
tools="\"rls\",\"analysis\",\"src\",$tools"
fi
if use rustfmt; then
tools="\"rustfmt\",$tools"
fi
local rust_stage0_root="${WORKDIR}"/rust-stage0
rust_target="$(rust_abi)"
cat <<- EOF > "${S}"/config.toml
[llvm]
optimize = $(toml_usex !debug)
release-debuginfo = $(toml_usex debug)
assertions = $(toml_usex debug)
targets = "${LLVM_TARGETS// /;}"
experimental-targets = ""
link-shared = $(toml_usex system-llvm)
[build]
build = "${rust_target}"
host = ["${rust_target}"]
target = [${rust_targets}]
cargo = "${rust_stage0_root}/bin/cargo"
rustc = "${rust_stage0_root}/bin/rustc"
docs = $(toml_usex doc)
submodules = false
python = "${EPYTHON}"
locked-deps = true
vendor = true
extended = ${extended}
tools = [${tools}]
[install]
prefix = "${EPREFIX}/usr"
libdir = "$(get_libdir)/${P}"
docdir = "share/doc/${P}"
mandir = "share/${P}/man"
[rust]
optimize = $(toml_usex !debug)
debuginfo = $(toml_usex debug)
debug-assertions = $(toml_usex debug)
default-linker = "$(tc-getCC)"
channel = "stable"
rpath = false
lld = $(toml_usex wasm)
EOF
for v in $(multilib_get_enabled_abi_pairs); do
rust_target=$(rust_abi $(get_abi_CHOST ${v##*.}))
arch_cflags="$(get_abi_CFLAGS ${v##*.})"
cat <<- EOF >> "${S}"/config.env
CFLAGS_${rust_target}=${arch_cflags}
EOF
cat <<- EOF >> "${S}"/config.toml
[target.${rust_target}]
cc = "$(tc-getBUILD_CC)"
cxx = "$(tc-getBUILD_CXX)"
linker = "$(tc-getCC)"
ar = "$(tc-getAR)"
EOF
if use system-llvm; then
cat <<- EOF >> "${S}"/config.toml
llvm-config = "$(get_llvm_prefix "${LLVM_MAX_SLOT}")/bin/llvm-config"
EOF
fi
done
if use wasm; then
cat <<- EOF >> "${S}"/config.toml
[target.wasm32-unknown-unknown]
linker = "rust-lld"
EOF
fi
}
src_compile() {
env $(cat "${S}"/config.env)\
"${EPYTHON}" ./x.py build -v --config="${S}"/config.toml -j$(makeopts_jobs) \
--exclude src/tools/miri || die # https://github.com/rust-lang/rust/issues/52305
}
src_install() {
local rust_target abi_libdir
env DESTDIR="${D}" "${EPYTHON}" ./x.py install -v || die
mv "${ED}/usr/bin/rustc" "${ED}/usr/bin/rustc-${PV}" || die
mv "${ED}/usr/bin/rustdoc" "${ED}/usr/bin/rustdoc-${PV}" || die
mv "${ED}/usr/bin/rust-gdb" "${ED}/usr/bin/rust-gdb-${PV}" || die
mv "${ED}/usr/bin/rust-gdbgui" "${ED}/usr/bin/rust-gdbgui-${PV}" || die
mv "${ED}/usr/bin/rust-lldb" "${ED}/usr/bin/rust-lldb-${PV}" || die
mv "${ED}/usr/bin/cargo" "${ED}/usr/bin/cargo-${PV}" || die
if use clippy; then
mv "${ED}/usr/bin/clippy-driver" "${ED}/usr/bin/clippy-driver-${PV}" || die
mv "${ED}/usr/bin/cargo-clippy" "${ED}/usr/bin/cargo-clippy-${PV}" || die
fi
if use rls; then
mv "${ED}/usr/bin/rls" "${ED}/usr/bin/rls-${PV}" || die
fi
if use rustfmt; then
mv "${ED}/usr/bin/rustfmt" "${ED}/usr/bin/rustfmt-${PV}" || die
mv "${ED}/usr/bin/cargo-fmt" "${ED}/usr/bin/cargo-fmt-${PV}" || die
fi
# Copy shared library versions of standard libraries for all targets
# into the system's abi-dependent lib directories because the rust
# installer only does so for the native ABI.
for v in $(multilib_get_enabled_abi_pairs); do
if [ ${v##*.} = ${DEFAULT_ABI} ]; then
continue
fi
abi_libdir=$(get_abi_LIBDIR ${v##*.})
rust_target=$(rust_abi $(get_abi_CHOST ${v##*.}))
mkdir -p "${ED}/usr/${abi_libdir}"
cp "${ED}/usr/$(get_libdir)/${P}/rustlib/${rust_target}/lib"/*.so \
"${ED}/usr/${abi_libdir}" || die
done
# temp fix for https://bugs.gentoo.org/672816
# FIXME: this should handle libdir=lib, not exact arches
if { use x86 || use arm; }; then
local rust_target wrongdir rightdir
rust_target=$(rust_abi $(get_abi_CHOST ${v##*.}))
wrongdir="${ED}/usr/$(get_libdir)/${P}/${P}/rustlib/${rust_target}/codegen-backends"
rightdir="${ED}/usr/$(get_libdir)/${P}/rustlib/${rust_target}/codegen-backends"
if [[ -e ${wrongdir}/librustc_codegen_llvm-llvm.so ]]; then
einfo "fixing bug #672816"
mv "${wrongdir}" "${rightdir}" || die
rm -r "${ED}/usr/$(get_libdir)/${P}/${P}" || die
fi
fi # end temp fix
dodoc COPYRIGHT
# FIXME:
# Really not sure if that env is needed, specailly LDPATH
cat <<-EOF > "${T}"/50${P}
LDPATH="${EPREFIX}/usr/$(get_libdir)/${P}"
MANPATH="${EPREFIX}/usr/share/${P}/man"
EOF
doenvd "${T}"/50${P}
# note: eselect-rust adds EROOT to all paths below
cat <<-EOF > "${T}/provider-${P}"
/usr/bin/rustdoc
/usr/bin/rust-gdb
/usr/bin/rust-gdbgui
/usr/bin/rust-lldb
EOF
echo /usr/bin/cargo >> "${T}/provider-${P}"
if use clippy; then
echo /usr/bin/clippy-driver >> "${T}/provider-${P}"
echo /usr/bin/cargo-clippy >> "${T}/provider-${P}"
fi
if use rls; then
echo /usr/bin/rls >> "${T}/provider-${P}"
fi
if use rustfmt; then
echo /usr/bin/rustfmt >> "${T}/provider-${P}"
echo /usr/bin/cargo-fmt >> "${T}/provider-${P}"
fi
dodir /etc/env.d/rust
insinto /etc/env.d/rust
doins "${T}/provider-${P}"
}
pkg_postinst() {
eselect rust update --if-unset
elog "Rust installs a helper script for calling GDB and LLDB,"
elog "for your convenience it is installed under /usr/bin/rust-{gdb,lldb}-${PV}."
ewarn "cargo is now installed from dev-lang/rust{,-bin} instead of dev-util/cargo."
ewarn "This might have resulted in a dangling symlink for /usr/bin/cargo on some"
ewarn "systems. This can be resolved by calling 'sudo eselect rust set ${P}'."
if has_version app-editors/emacs || has_version app-editors/emacs-vcs; then
elog "install app-emacs/rust-mode to get emacs support for rust."
fi
if has_version app-editors/gvim || has_version app-editors/vim; then
elog "install app-vim/rust-vim to get vim support for rust."
fi
if has_version 'app-shells/zsh'; then
elog "install app-shells/rust-zshcomp to get zsh completion for rust."
fi
}
pkg_postrm() {
eselect rust unset --if-invalid
}
|