sys-libs/compiler-rt-sanitizers: Add 18.0.0_pre20230820 snapshot

Signed-off-by: Michał Górny <mgorny@gentoo.org>

2 files changed, 217 insertions, 0 deletions

diff --git a/sys-libs/compiler-rt-sanitizers/Manifest b/sys-libs/compiler-rt-sanitizers/Manifest
index 9a9ce33c547e..2bb2a52ba836 100644
--- a/sys-libs/compiler-rt-sanitizers/Manifest
+++ b/sys-libs/compiler-rt-sanitizers/Manifest
@@ -12,3 +12,4 @@ DIST llvm-project-17.0.0rc2.src.tar.xz 127795160 BLAKE2B 58ed818f61e1cd179288d57
 DIST llvm-project-17.0.0rc2.src.tar.xz.sig 438 BLAKE2B 55788eacc592729839dad581b507794f279d84cafcaa49785ae34e02931ee9d4f64caf9e251e280dbc8676f3cacdca52a22f36cf7282655a3fc0721a61c9f003 SHA512 141e1ba7eb9870c21b91060ca484316cc8a402d4e61c8312688023850070b255b0eebe2d10ef63925f7269ee1b347074440e1a9a18d37cb7e1b6c82a7d1a1710
 DIST llvm-project-7d259b36d2e8148d13087844e6494ad3a5c63edf.tar.gz 195942450 BLAKE2B 3221cc070295edf4f70e5b24ed06cda29e8dd98d3d28ba5ac38b821fc313f7f7dfdc7ad500537c2244af0fa3d750174dfa1699db7f72a44df67e5fa255a3d0aa SHA512 9279290ab482f29af4a2205270038f1817608a63872e03340d43c31fcf5da36191269838912a1460455a8661295e664891d6d123018b12ddc80c2641790d0640
 DIST llvm-project-c4bb3e073548cf436d5fa0406e3ae75e94684dec.tar.gz 195462091 BLAKE2B 982f1105db6cf63575916a20432df4c8623bdff236ce3bd95e63ffd931bc8e1f0e9ea9ad673b09d749c35c1bfe68a48f5b4080118f25040498db09a580db3a7e SHA512 1c591175f44da85eb5ee831220c0387a3d9a0604beaf7abd89fbc6d1e0e9c4f80dac73de1dc22375a45115dd4c1d764fed0a0f628993ca780eb6991682aa0b5b
+DIST llvm-project-fe42682e7818d44cbe19f98ef34caa4e414aa937.tar.gz 196564445 BLAKE2B 056e6622b38009e34392c1d1755086e008bc85e9b4c00126e7ca92ddaee2ede7f31bafbc6ca04c5008983ce843d19fb152d75ce01e6ece4c2d891cc38604532c SHA512 8245f8a50f77e9ac9c0309a0025fde8407bb82d82277e3edba0a995debff50940e9500d4ad65060a330e6c19e2e1332d700ea040ca382ef4b75282a4566cbf72
diff --git a/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-18.0.0_pre20230820.ebuild b/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-18.0.0_pre20230820.ebuild
new file mode 100644
index 000000000000..b0a49349926b
--- /dev/null
+++ b/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-18.0.0_pre20230820.ebuild
@@ -0,0 +1,216 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..12} )
+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="${LLVM_MAJOR}"
+KEYWORDS=""
+IUSE="+abi_x86_32 abi_x86_64 +clang +debug test"
+# base targets
+IUSE+=" +libfuzzer +memprof +orc +profile +xray"
+# sanitizer targets, keep in sync with config-ix.cmake
+# NB: ubsan, scudo deliberately match two entries
+SANITIZER_FLAGS=(
+	asan dfsan lsan msan hwasan tsan ubsan safestack cfi scudo
+	shadowcallstack gwp-asan
+)
+IUSE+=" ${SANITIZER_FLAGS[@]/#/+}"
+REQUIRED_USE="
+	|| ( ${SANITIZER_FLAGS[*]} libfuzzer orc profile xray )
+	test? (
+		cfi? ( ubsan )
+		gwp-asan? ( scudo )
+	)
+"
+RESTRICT="
+	!clang? ( test )
+	!test? ( test )
+"
+
+DEPEND="
+	sys-devel/llvm:${LLVM_MAJOR}
+	virtual/libcrypt[abi_x86_32(-)?,abi_x86_64(-)?]
+"
+BDEPEND="
+	>=dev-util/cmake-3.16
+	clang? ( sys-devel/clang )
+	elibc_glibc? ( net-libs/libtirpc )
+	test? (
+		$(python_gen_any_dep ">=dev-python/lit-15[\${PYTHON_USEDEP}]")
+		=sys-devel/clang-${LLVM_VERSION}*:${LLVM_MAJOR}
+		sys-libs/compiler-rt:${LLVM_MAJOR}
+	)
+	!test? (
+		${PYTHON_DEPS}
+	)
+"
+
+LLVM_COMPONENTS=( compiler-rt cmake llvm/cmake )
+LLVM_TEST_COMPONENTS=( llvm/lib/Testing/Support third-party )
+llvm.org_set_globals
+
+python_check_deps() {
+	use test || return 0
+	python_has_version ">=dev-python/lit-15[${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_MAX_SLOT=${LLVM_MAJOR} llvm_pkg_setup
+	python-any-r1_pkg_setup
+}
+
+src_prepare() {
+	sed -i -e 's:-Werror::' lib/tsan/go/buildgo.sh || die
+
+	local flag
+	for flag in "${SANITIZER_FLAGS[@]}"; do
+		if ! use "${flag}"; then
+			local cmake_flag=${flag/-/_}
+			sed -i -e "/COMPILER_RT_HAS_${cmake_flag^^}/s:TRUE:FALSE:" \
+				cmake/config-ix.cmake || die
+		fi
+	done
+
+	# TODO: fix these tests to be skipped upstream
+	if use asan && ! use profile; then
+		rm test/asan/TestCases/asan_and_llvm_coverage_test.cpp || die
+	fi
+	if use ubsan && ! use cfi; then
+		> test/cfi/CMakeLists.txt || die
+	fi
+
+	llvm.org_src_prepare
+}
+
+src_configure() {
+	# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+	use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+
+	# pre-set since we need to pass it to cmake
+	BUILD_DIR=${WORKDIR}/compiler-rt_build
+
+	if use clang; then
+		local -x CC=${CHOST}-clang
+		local -x CXX=${CHOST}-clang++
+		strip-unsupported-flags
+	fi
+
+	local flag want_sanitizer=OFF
+	for flag in "${SANITIZER_FLAGS[@]}"; do
+		if use "${flag}"; then
+			want_sanitizer=ON
+			break
+		fi
+	done
+
+	local mycmakeargs=(
+		-DCOMPILER_RT_INSTALL_PATH="${EPREFIX}/usr/lib/clang/${LLVM_MAJOR}"
+		# use a build dir structure consistent with install
+		# this makes it possible to easily deploy test-friendly clang
+		-DCOMPILER_RT_OUTPUT_DIR="${BUILD_DIR}/lib/clang/${LLVM_MAJOR}"
+
+		-DCOMPILER_RT_INCLUDE_TESTS=$(usex test)
+		# builtins & crt installed by sys-libs/compiler-rt
+		-DCOMPILER_RT_BUILD_BUILTINS=OFF
+		-DCOMPILER_RT_BUILD_CRT=OFF
+		-DCOMPILER_RT_BUILD_LIBFUZZER=$(usex libfuzzer)
+		-DCOMPILER_RT_BUILD_MEMPROF=$(usex memprof)
+		-DCOMPILER_RT_BUILD_ORC=$(usex orc)
+		-DCOMPILER_RT_BUILD_PROFILE=$(usex profile)
+		-DCOMPILER_RT_BUILD_SANITIZERS="${want_sanitizer}"
+		-DCOMPILER_RT_BUILD_XRAY=$(usex xray)
+
+		-DPython3_EXECUTABLE="${PYTHON}"
+	)
+
+	if use amd64; then
+		mycmakeargs+=(
+			-DCAN_TARGET_i386=$(usex abi_x86_32)
+			-DCAN_TARGET_x86_64=$(usex abi_x86_64)
+		)
+	fi
+
+	if use test; then
+		mycmakeargs+=(
+			-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+			-DLLVM_LIT_ARGS="$(get_lit_flags)"
+
+			# they are created during src_test()
+			-DCOMPILER_RT_TEST_COMPILER="${BUILD_DIR}/lib/llvm/${LLVM_MAJOR}/bin/clang"
+			-DCOMPILER_RT_TEST_CXX_COMPILER="${BUILD_DIR}/lib/llvm/${LLVM_MAJOR}/bin/clang++"
+		)
+
+		# same flags are passed for build & tests, so we need to strip
+		# them down to a subset supported by clang
+		CC=${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/bin/clang \
+		CXX=${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/bin/clang++ \
+		strip-unsupported-flags
+	fi
+
+	if use prefix && [[ "${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="${EPREFIX}/MacOSX.sdk"
+			# Set version based on the SDK in EPREFIX
+			# This disables i386 for SDK >= 10.15
+			# Will error if has_use tsan and SDK < 10.12
+			-DDARWIN_macosx_OVERRIDE_SDK_VERSION="$(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
+
+	cmake_src_configure
+
+	if use test; then
+		local sys_dir=( "${EPREFIX}"/usr/lib/clang/${LLVM_MAJOR}/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/${LLVM_MAJOR}/{bin,$(get_libdir)},clang/${LLVM_MAJOR}/include} || die
+		cp "${EPREFIX}"/usr/lib/llvm/${LLVM_MAJOR}/bin/clang{,++} \
+			"${BUILD_DIR}"/lib/llvm/${LLVM_MAJOR}/bin/ || die
+		cp "${EPREFIX}"/usr/lib/clang/${LLVM_MAJOR}/include/*.h \
+			"${BUILD_DIR}"/lib/clang/${LLVM_MAJOR}/include/ || die
+		cp "${sys_dir}"/*builtins*.a \
+			"${BUILD_DIR}/lib/clang/${LLVM_MAJOR}/lib/${sys_dir##*/}/" || die
+		# we also need LLVMgold.so for gold-based tests
+		if [[ -f ${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/$(get_libdir)/LLVMgold.so ]]; then
+			ln -s "${EPREFIX}"/usr/lib/llvm/${LLVM_MAJOR}/$(get_libdir)/LLVMgold.so \
+				"${BUILD_DIR}"/lib/llvm/${LLVM_MAJOR}/$(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
+}