commit: 9cbfe9d5e7e3fd05f1692db412b357b6023f0efb
Author: Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Wed Aug 1 16:43:26 2018 +0000
Commit: Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Wed Aug 1 20:53:22 2018 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=9cbfe9d5
sys-libs/compiler-rt-sanitizers: Branch out LLVM 7.0
.../compiler-rt-sanitizers-7.0.9999.ebuild | 170 +++++++++++++++++++++
1 file changed, 170 insertions(+)
diff --git
a/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-7.0.9999.ebuild
b/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-7.0.9999.ebuild
new file mode 100644
index 00000000000..3028242fe9f
--- /dev/null
+++ b/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-7.0.9999.ebuild
@@ -0,0 +1,170 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
+# (needed due to CMAKE_BUILD_TYPE != Gentoo)
+CMAKE_MIN_VERSION=3.7.0-r1
+PYTHON_COMPAT=( python2_7 )
+
+inherit check-reqs cmake-utils flag-o-matic git-r3 llvm \
+ multiprocessing python-any-r1
+
+DESCRIPTION="Compiler runtime libraries for clang (sanitizers & xray)"
+HOMEPAGE="https://llvm.org/";
+SRC_URI=""
+EGIT_REPO_URI="https://git.llvm.org/git/compiler-rt.git
+ https://github.com/llvm-mirror/compiler-rt.git";
+EGIT_BRANCH="release_70"
+
+LICENSE="|| ( UoI-NCSA MIT )"
+# Note: this needs to be updated to match version of clang-9999
+SLOT="7.0.0"
+KEYWORDS=""
+IUSE="+clang test elibc_glibc"
+RESTRICT="!test? ( test ) !clang? ( test )"
+
+CLANG_SLOT=${SLOT%%.*}
+# llvm-6 for new lit options
+DEPEND="
+ >=sys-devel/llvm-6
+ clang? ( sys-devel/clang )
+ 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} )
+ ${PYTHON_DEPS}"
+
+# least intrusive of all
+CMAKE_BUILD_TYPE=RelWithDebInfo
+
+check_space() {
+ if use test; then
+ local CHECKREQS_DISK_BUILD=11G
+ check-reqs_pkg_pretend
+ fi
+}
+
+pkg_pretend() {
+ check_space
+}
+
+pkg_setup() {
+ check_space
+ llvm_pkg_setup
+ python-any-r1_pkg_setup
+}
+
+src_unpack() {
+ if use test; then
+ # needed for patched gtest
+ git-r3_fetch "https://git.llvm.org/git/llvm.git
+ https://github.com/llvm-mirror/llvm.git";
+ fi
+ git-r3_fetch
+
+ if use test; then
+ git-r3_checkout https://llvm.org/git/llvm.git \
+ "${WORKDIR}"/llvm '' utils/unittest
+ fi
+ git-r3_checkout
+}
+
+src_prepare() {
+ cmake-utils_src_prepare
+
+ if use test; then
+ # remove tests that are broken by new glibc
+ # https://bugs.llvm.org/show_bug.cgi?id=36065
+ if use elibc_glibc && has_version '>=sys-libs/glibc-2.25'; then
+ rm test/lsan/TestCases/Linux/use_tls_dynamic.cc || die
+ rm test/msan/dtls_test.c || die
+ fi
+ fi
+}
+
+src_configure() {
+ # pre-set since we need to pass it to cmake
+ BUILD_DIR=${WORKDIR}/${P}_build
+
+ if use clang; then
+ local -x CC=${CHOST}-clang
+ local -x CXX=${CHOST}-clang++
+ strip-unsupported-flags
+ fi
+
+ 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=$(usex test)
+ # built-ins installed by sys-libs/compiler-rt
+ -DCOMPILER_RT_BUILD_BUILTINS=OFF
+ -DCOMPILER_RT_BUILD_LIBFUZZER=ON
+ -DCOMPILER_RT_BUILD_PROFILE=ON
+ -DCOMPILER_RT_BUILD_SANITIZERS=ON
+ -DCOMPILER_RT_BUILD_XRAY=ON
+ )
+ if use test; then
+ mycmakeargs+=(
+ -DLLVM_MAIN_SRC_DIR="${WORKDIR}/llvm"
+ -DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+ -DLLVM_LIT_ARGS="-vv;-j;${LIT_JOBS:-$(makeopts_jobs
"${MAKEOPTS}" "$(get_nproc)")}"
+
+ # they are created during src_test()
+
-DCOMPILER_RT_TEST_COMPILER="${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+=(
+ # disable use of SDK for the system itself
+ -DDARWIN_macosx_CACHED_SYSROOT=/
+ )
+ fi
+
+ cmake-utils_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-utils_src_make check-all
+}
