Gentoo Archives: gentoo-commits

From: "Michał Górny" <mgorny@g.o>
To: gentoo-commits@l.g.o
Subject: [gentoo-commits] repo/gentoo:master commit in: sys-libs/compiler-rt-sanitizers/
Date: Fri, 30 Jul 2021 18:14:30
Message-Id: 1627668835.1fe641e000733ba062f481a693705ec20dee4047.mgorny@gentoo
1 commit: 1fe641e000733ba062f481a693705ec20dee4047
2 Author: Michał Górny <mgorny <AT> gentoo <DOT> org>
3 AuthorDate: Fri Jul 30 11:16:40 2021 +0000
4 Commit: Michał Górny <mgorny <AT> gentoo <DOT> org>
5 CommitDate: Fri Jul 30 18:13:55 2021 +0000
6 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=1fe641e0
7
8 sys-libs/compiler-rt-sanitizers: Bump live to 14*
9
10 Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>
11
12 .../compiler-rt-sanitizers-14.0.0.9999.ebuild | 200 +++++++++++++++++++++
13 1 file changed, 200 insertions(+)
14
15 diff --git a/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-14.0.0.9999.ebuild b/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-14.0.0.9999.ebuild
16 new file mode 100644
17 index 00000000000..cc239e8feec
18 --- /dev/null
19 +++ b/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-14.0.0.9999.ebuild
20 @@ -0,0 +1,200 @@
21 +# Copyright 1999-2021 Gentoo Authors
22 +# Distributed under the terms of the GNU General Public License v2
23 +
24 +EAPI=7
25 +
26 +PYTHON_COMPAT=( python3_{8..10} )
27 +inherit check-reqs cmake flag-o-matic llvm llvm.org python-any-r1
28 +
29 +DESCRIPTION="Compiler runtime libraries for clang (sanitizers & xray)"
30 +HOMEPAGE="https://llvm.org/"
31 +
32 +LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
33 +SLOT="$(ver_cut 1-3)"
34 +KEYWORDS=""
35 +IUSE="+clang test elibc_glibc"
36 +# base targets
37 +IUSE+=" +libfuzzer +memprof +profile +xray"
38 +# sanitizer targets, keep in sync with config-ix.cmake
39 +# NB: ubsan, scudo deliberately match two entries
40 +SANITIZER_FLAGS=(
41 + asan dfsan lsan msan hwasan tsan ubsan safestack cfi scudo
42 + shadowcallstack gwp-asan
43 +)
44 +IUSE+=" ${SANITIZER_FLAGS[@]/#/+}"
45 +REQUIRED_USE="
46 + || ( ${SANITIZER_FLAGS[*]} libfuzzer profile xray )
47 + test? (
48 + cfi? ( ubsan )
49 + gwp-asan? ( scudo )
50 + )"
51 +RESTRICT="!test? ( test ) !clang? ( test )"
52 +
53 +CLANG_SLOT=${SLOT%%.*}
54 +# llvm-6 for new lit options
55 +DEPEND="
56 + >=sys-devel/llvm-6"
57 +BDEPEND="
58 + >=dev-util/cmake-3.16
59 + clang? ( sys-devel/clang )
60 + elibc_glibc? ( net-libs/libtirpc )
61 + test? (
62 + !<sys-apps/sandbox-2.13
63 + $(python_gen_any_dep ">=dev-python/lit-5[\${PYTHON_USEDEP}]")
64 + =sys-devel/clang-${PV%_*}*:${CLANG_SLOT}
65 + sys-libs/compiler-rt:${SLOT}
66 + )
67 + ${PYTHON_DEPS}"
68 +
69 +LLVM_COMPONENTS=( compiler-rt )
70 +LLVM_TEST_COMPONENTS=( llvm/lib/Testing/Support llvm/utils/unittest )
71 +LLVM_PATCHSET=9999-1
72 +llvm.org_set_globals
73 +
74 +python_check_deps() {
75 + use test || return 0
76 + has_version "dev-python/lit[${PYTHON_USEDEP}]"
77 +}
78 +
79 +check_space() {
80 + if use test; then
81 + local CHECKREQS_DISK_BUILD=11G
82 + check-reqs_pkg_pretend
83 + fi
84 +}
85 +
86 +pkg_pretend() {
87 + check_space
88 +}
89 +
90 +pkg_setup() {
91 + check_space
92 + llvm_pkg_setup
93 + python-any-r1_pkg_setup
94 +}
95 +
96 +src_prepare() {
97 + sed -i -e 's:-Werror::' lib/tsan/go/buildgo.sh || die
98 +
99 + local flag
100 + for flag in "${SANITIZER_FLAGS[@]}"; do
101 + if ! use "${flag}"; then
102 + local cmake_flag=${flag/-/_}
103 + sed -i -e "/COMPILER_RT_HAS_${cmake_flag^^}/s:TRUE:FALSE:" \
104 + cmake/config-ix.cmake || die
105 + fi
106 + done
107 +
108 + # TODO: fix these tests to be skipped upstream
109 + if use asan && ! use profile; then
110 + rm test/asan/TestCases/asan_and_llvm_coverage_test.cpp || die
111 + fi
112 + if use ubsan && ! use cfi; then
113 + > test/cfi/CMakeLists.txt || die
114 + fi
115 +
116 + llvm.org_src_prepare
117 +}
118 +
119 +src_configure() {
120 + # pre-set since we need to pass it to cmake
121 + BUILD_DIR=${WORKDIR}/compiler-rt_build
122 +
123 + if use clang; then
124 + local -x CC=${CHOST}-clang
125 + local -x CXX=${CHOST}-clang++
126 + strip-unsupported-flags
127 + fi
128 +
129 + local flag want_sanitizer=OFF
130 + for flag in "${SANITIZER_FLAGS[@]}"; do
131 + if use "${flag}"; then
132 + want_sanitizer=ON
133 + break
134 + fi
135 + done
136 +
137 + local mycmakeargs=(
138 + -DCOMPILER_RT_INSTALL_PATH="${EPREFIX}/usr/lib/clang/${SLOT}"
139 + # use a build dir structure consistent with install
140 + # this makes it possible to easily deploy test-friendly clang
141 + -DCOMPILER_RT_OUTPUT_DIR="${BUILD_DIR}/lib/clang/${SLOT}"
142 +
143 + -DCOMPILER_RT_INCLUDE_TESTS=$(usex test)
144 + # builtins & crt installed by sys-libs/compiler-rt
145 + -DCOMPILER_RT_BUILD_BUILTINS=OFF
146 + -DCOMPILER_RT_BUILD_CRT=OFF
147 + -DCOMPILER_RT_BUILD_LIBFUZZER=$(usex libfuzzer)
148 + -DCOMPILER_RT_BUILD_MEMPROF=$(usex memprof)
149 + -DCOMPILER_RT_BUILD_PROFILE=$(usex profile)
150 + -DCOMPILER_RT_BUILD_SANITIZERS="${want_sanitizer}"
151 + -DCOMPILER_RT_BUILD_XRAY=$(usex xray)
152 +
153 + -DPython3_EXECUTABLE="${PYTHON}"
154 + )
155 + if use test; then
156 + mycmakeargs+=(
157 + -DLLVM_MAIN_SRC_DIR="${WORKDIR}/llvm"
158 + -DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
159 + -DLLVM_LIT_ARGS="$(get_lit_flags)"
160 +
161 + # they are created during src_test()
162 + -DCOMPILER_RT_TEST_COMPILER="${BUILD_DIR}/lib/llvm/${CLANG_SLOT}/bin/clang"
163 + -DCOMPILER_RT_TEST_CXX_COMPILER="${BUILD_DIR}/lib/llvm/${CLANG_SLOT}/bin/clang++"
164 + )
165 +
166 + # same flags are passed for build & tests, so we need to strip
167 + # them down to a subset supported by clang
168 + CC=${EPREFIX}/usr/lib/llvm/${CLANG_SLOT}/bin/clang \
169 + CXX=${EPREFIX}/usr/lib/llvm/${CLANG_SLOT}/bin/clang++ \
170 + strip-unsupported-flags
171 + fi
172 +
173 + if use prefix && [[ "${CHOST}" == *-darwin* ]] ; then
174 + mycmakeargs+=(
175 + # setting -isysroot is disabled with compiler-rt-prefix-paths.patch
176 + # this allows adding arm64 support using SDK in EPREFIX
177 + -DDARWIN_macosx_CACHED_SYSROOT="${EPREFIX}/MacOSX.sdk"
178 + # Set version based on the SDK in EPREFIX
179 + # This disables i386 for SDK >= 10.15
180 + # Will error if has_use tsan and SDK < 10.12
181 + -DDARWIN_macosx_OVERRIDE_SDK_VERSION="$(realpath ${EPREFIX}/MacOSX.sdk | sed -e 's/.*MacOSX\(.*\)\.sdk/\1/')"
182 + # Use our libtool instead of looking it up with xcrun
183 + -DCMAKE_LIBTOOL="${EPREFIX}/usr/bin/${CHOST}-libtool"
184 + )
185 + fi
186 +
187 + cmake_src_configure
188 +
189 + if use test; then
190 + local sys_dir=( "${EPREFIX}"/usr/lib/clang/${SLOT}/lib/* )
191 + [[ -e ${sys_dir} ]] || die "Unable to find ${sys_dir}"
192 + [[ ${#sys_dir[@]} -eq 1 ]] || die "Non-deterministic compiler-rt install: ${sys_dir[*]}"
193 +
194 + # copy clang over since resource_dir is located relatively to binary
195 + # therefore, we can put our new libraries in it
196 + mkdir -p "${BUILD_DIR}"/lib/{llvm/${CLANG_SLOT}/{bin,$(get_libdir)},clang/${SLOT}/include} || die
197 + cp "${EPREFIX}"/usr/lib/llvm/${CLANG_SLOT}/bin/clang{,++} \
198 + "${BUILD_DIR}"/lib/llvm/${CLANG_SLOT}/bin/ || die
199 + cp "${EPREFIX}"/usr/lib/clang/${SLOT}/include/*.h \
200 + "${BUILD_DIR}"/lib/clang/${SLOT}/include/ || die
201 + cp "${sys_dir}"/*builtins*.a \
202 + "${BUILD_DIR}/lib/clang/${SLOT}/lib/${sys_dir##*/}/" || die
203 + # we also need LLVMgold.so for gold-based tests
204 + if [[ -f ${EPREFIX}/usr/lib/llvm/${CLANG_SLOT}/$(get_libdir)/LLVMgold.so ]]; then
205 + ln -s "${EPREFIX}"/usr/lib/llvm/${CLANG_SLOT}/$(get_libdir)/LLVMgold.so \
206 + "${BUILD_DIR}"/lib/llvm/${CLANG_SLOT}/$(get_libdir)/ || die
207 + fi
208 + fi
209 +}
210 +
211 +src_test() {
212 + # respect TMPDIR!
213 + local -x LIT_PRESERVES_TMP=1
214 + # disable sandbox to have it stop clobbering LD_PRELOAD
215 + local -x SANDBOX_ON=0
216 + # wipe LD_PRELOAD to make ASAN happy
217 + local -x LD_PRELOAD=
218 +
219 + cmake_build check-all
220 +}