commit:     48482cf5fe51c36d973d2f55260c5a45fcbd537c
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Sun Dec 19 11:35:36 2021 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Sun Dec 19 11:55:00 2021 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=48482cf5

sys-libs/compiler-rt-sanitizers: Backport glibc 2.34 fixes

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

 sys-libs/compiler-rt-sanitizers/Manifest           |   1 +
 .../compiler-rt-sanitizers-13.0.0-r1.ebuild        | 207 +++++++++++++++++++++
 2 files changed, 208 insertions(+)

diff --git a/sys-libs/compiler-rt-sanitizers/Manifest 
b/sys-libs/compiler-rt-sanitizers/Manifest
index d366da9434ba..7a5acf8e8bd0 100644
--- a/sys-libs/compiler-rt-sanitizers/Manifest
+++ b/sys-libs/compiler-rt-sanitizers/Manifest
@@ -1,5 +1,6 @@
 DIST llvm-gentoo-patchset-11.1.0-3.tar.xz 5984 BLAKE2B 
89056fb8e82c7a29ae76c643ac631876d51391ffb579324aaf13c7f79e03f6fd8bbcb27d46e57e0f04a702602ebf51c116e82cb092452a1dbc97fb0eb7518f11
 SHA512 
08aabe8836b62ecfde4e264d567169ba495d5b5915b56aba35ae86992387e534bba6d512fde94056e641abe909b478e47edcbdaa3ee0b94182ecd68c98201441
 DIST llvm-gentoo-patchset-12.0.1.tar.xz 5280 BLAKE2B 
963d005bc7b636570be90eb841ac5bcaeb927538cc7de27683167111a17d6496677c7517de2ecfaf14b5d8ac22bad357be490b8a2ed9aba502fd5f447ecc99e9
 SHA512 
fc7c38e671555751650299c3a8bee44d5c7f26e11b68d5538c507fb7fe9ff2d349bdcd43bce90a448a747f082d523b3849d6bcda5e3ae2e998edcb926d6aa249
+DIST llvm-gentoo-patchset-13.0.0-r3.tar.xz 10176 BLAKE2B 
fc5825a4bd3b85bd9c970901e5e036cc4c928373495a8a6f63c7f4531c7f52575d06f80dfbd80671d9f0fcd32d5c48d96f5961602b024c7a936362aeba8a612a
 SHA512 
2289eef3f6301ade2e1110ebc4b66ad3db91ed10868ca7296a29c55667007e06739b01f38c0783bb2c56deadfb8a04605c370df9c5a4c6bc9aea9382e6ed52a5
 DIST llvm-gentoo-patchset-13.0.0.tar.xz 5012 BLAKE2B 
6760c78c086aaf6629143fd920b0a2c68cad9278628fbea8164dfeb59db95984a5b5d6b3505b510c697e8c95bf8d2be782c6b73c01622d52f2da9b07ecff39e0
 SHA512 
7764d49343b795b6bebae64f646ba27e3e6cc2a20b8a1aee645ce0d8474633c34acfbb73c08546fee415755dd4ea5a98c1d84db5e394cf5f4fc802eb61148ab6
 DIST llvm-gentoo-patchset-13.0.1-rc1.tar.xz 5988 BLAKE2B 
8f1d295d4b6937518d9e0cc00cc2ba9e12ff9773b35261f0985b2d2a4ed1e3363a7f961cb385728b5ae552d0e129d99d11e63958d32c3353b0a79a88ba5cc0d5
 SHA512 
8272c423a5e0e99d412bb449794ba2e8134aca69d09e90e93555dbd3b7549d6ce4d68617ca11074af0a35a6f6830bf0330cbc672c5a56054cfd824e3ac1900ea
 DIST llvm-gentoo-patchset-9999-1.tar.xz 4032 BLAKE2B 
b9413484dafed8ae0c68c2c164b45fd07bb8d5d0898f03abe118fd2120ffcb1fb6c949de9649a97c2e8105f24b9d131a725c67c0a502ca4d4d192c1a0d65f49d
 SHA512 
e64449eeaf756c5bd945109937b84ba4bd8a015222bd792d39cf3947871e87571a4ca57814790e51544cb05ad4c2d1f044e818e4caaac7c2e2a02cb1aa290fcc

diff --git 
a/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-13.0.0-r1.ebuild 
b/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-13.0.0-r1.ebuild
new file mode 100644
index 000000000000..dc6d1d54b523
--- /dev/null
+++ b/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-13.0.0-r1.ebuild
@@ -0,0 +1,207 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{8..10} )
+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="~amd64 ~arm ~arm64 ~ppc64 ~riscv ~x86 ~amd64-linux ~ppc-macos 
~x64-macos"
+IUSE="+clang debug test elibc_glibc"
+# 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="
+       || ( ${SANITIZER_FLAGS[*]} libfuzzer orc profile xray )
+       test? (
+               cfi? ( ubsan )
+               gwp-asan? ( scudo )
+       )"
+RESTRICT="!test? ( test ) !clang? ( test )"
+
+CLANG_SLOT=${SLOT%%.*}
+# llvm-6 for new lit options
+DEPEND="
+       >=sys-devel/llvm-6
+       virtual/libcrypt"
+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}
+       )
+       !test? (
+               ${PYTHON_DEPS}
+       )"
+
+LLVM_COMPONENTS=( compiler-rt )
+LLVM_TEST_COMPONENTS=( llvm/lib/Testing/Support llvm/utils/unittest )
+LLVM_PATCHSET=${PV/_/-}-r3
+llvm.org_set_globals
+
+python_check_deps() {
+       use test || return 0
+       has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+check_space() {
+       if use test; then
+               local CHECKREQS_DISK_BUILD=11G
+               check-reqs_pkg_pretend
+       fi
+}
+
+pkg_pretend() {
+       check_space
+}
+
+pkg_setup() {
+       check_space
+       llvm_pkg_setup
+       python-any-r1_pkg_setup
+}
+
+src_prepare() {
+       sed -i -e 's:-Werror::' lib/tsan/go/buildgo.sh || die
+
+       local flag
+       for flag in "${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/${SLOT}"
+               # use a build dir structure consistent with install
+               # this makes it possible to easily deploy test-friendly clang
+               -DCOMPILER_RT_OUTPUT_DIR="${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=$(usex libfuzzer)
+               -DCOMPILER_RT_BUILD_MEMPROF=$(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="${PYTHON}"
+       )
+       if use test; then
+               mycmakeargs+=(
+                       -DLLVM_MAIN_SRC_DIR="${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 && [[ "${CHOST}" == *-darwin* ]] ; then
+               mycmakeargs+=(
+                       # setting -isysroot is disabled with 
compiler-rt-prefix-paths.patch
+                       # this allows adding arm64 support using SDK in EPREFIX
+                       -DDARWIN_macosx_CACHED_SYSROOT="${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=( "${EPREFIX}"/usr/lib/clang/${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
+}

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