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519 lines
12 KiB
519 lines
12 KiB
# Copyright 1999-2021 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=7
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PYTHON_COMPAT=( python3_{8..10} )
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inherit cmake llvm.org multilib-minimal pax-utils python-any-r1 \
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toolchain-funcs
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DESCRIPTION="Low Level Virtual Machine"
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HOMEPAGE="https://llvm.org/"
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# Those are in lib/Targets, without explicit CMakeLists.txt mention
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ALL_LLVM_EXPERIMENTAL_TARGETS=( ARC CSKY VE )
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# Keep in sync with CMakeLists.txt
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ALL_LLVM_TARGETS=( AArch64 AMDGPU ARM AVR BPF Hexagon Lanai Mips MSP430
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NVPTX PowerPC RISCV Sparc SystemZ WebAssembly X86 XCore
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"${ALL_LLVM_EXPERIMENTAL_TARGETS[@]}" )
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ALL_LLVM_TARGETS=( "${ALL_LLVM_TARGETS[@]/#/llvm_targets_}" )
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# Additional licenses:
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# 1. OpenBSD regex: Henry Spencer's license ('rc' in Gentoo) + BSD.
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# 2. xxhash: BSD.
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# 3. MD5 code: public-domain.
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# 4. ConvertUTF.h: TODO.
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LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA BSD public-domain rc"
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SLOT="$(ver_cut 1)"
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KEYWORDS="amd64 ~arm ~arm64 ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~ppc-macos ~x64-macos"
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IUSE="debug doc exegesis gold libedit +libffi ncurses test xar xml z3
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kernel_Darwin ${ALL_LLVM_TARGETS[*]}"
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REQUIRED_USE="|| ( ${ALL_LLVM_TARGETS[*]} )"
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RESTRICT="!test? ( test )"
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RDEPEND="
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sys-libs/zlib:0=[${MULTILIB_USEDEP}]
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exegesis? ( dev-libs/libpfm:= )
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gold? ( >=sys-devel/binutils-2.31.1-r4:*[plugins] )
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libedit? ( dev-libs/libedit:0=[${MULTILIB_USEDEP}] )
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libffi? ( >=dev-libs/libffi-3.0.13-r1:0=[${MULTILIB_USEDEP}] )
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ncurses? ( >=sys-libs/ncurses-5.9-r3:0=[${MULTILIB_USEDEP}] )
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xar? ( app-arch/xar )
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xml? ( dev-libs/libxml2:2=[${MULTILIB_USEDEP}] )
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z3? ( >=sci-mathematics/z3-4.7.1:0=[${MULTILIB_USEDEP}] )"
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DEPEND="${RDEPEND}
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gold? ( sys-libs/binutils-libs )"
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BDEPEND="
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dev-lang/perl
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>=dev-util/cmake-3.16
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sys-devel/gnuconfig
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kernel_Darwin? (
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<sys-libs/libcxx-$(ver_cut 1-3).9999
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>=sys-devel/binutils-apple-5.1
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)
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doc? ( $(python_gen_any_dep '
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dev-python/recommonmark[${PYTHON_USEDEP}]
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dev-python/sphinx[${PYTHON_USEDEP}]
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') )
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libffi? ( virtual/pkgconfig )
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${PYTHON_DEPS}"
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# There are no file collisions between these versions but having :0
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# installed means llvm-config there will take precedence.
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RDEPEND="${RDEPEND}
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!sys-devel/llvm:0"
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PDEPEND="sys-devel/llvm-common
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gold? ( >=sys-devel/llvmgold-${SLOT} )"
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LLVM_COMPONENTS=( llvm )
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LLVM_MANPAGES=pregenerated
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LLVM_PATCHSET=12.0.1
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llvm.org_set_globals
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python_check_deps() {
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use doc || return 0
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has_version -b "dev-python/recommonmark[${PYTHON_USEDEP}]" &&
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has_version -b "dev-python/sphinx[${PYTHON_USEDEP}]"
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}
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check_live_ebuild() {
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local prod_targets=(
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$(sed -n -e '/set(LLVM_ALL_TARGETS/,/)/p' CMakeLists.txt \
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| tail -n +2 | head -n -1)
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)
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local all_targets=(
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lib/Target/*/
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)
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all_targets=( "${all_targets[@]#lib/Target/}" )
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all_targets=( "${all_targets[@]%/}" )
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local exp_targets=() i
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for i in "${all_targets[@]}"; do
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has "${i}" "${prod_targets[@]}" || exp_targets+=( "${i}" )
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done
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# reorder
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all_targets=( "${prod_targets[@]}" "${exp_targets[@]}" )
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if [[ ${exp_targets[*]} != ${ALL_LLVM_EXPERIMENTAL_TARGETS[*]} ]]; then
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eqawarn "ALL_LLVM_EXPERIMENTAL_TARGETS is outdated!"
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eqawarn " Have: ${ALL_LLVM_EXPERIMENTAL_TARGETS[*]}"
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eqawarn "Expected: ${exp_targets[*]}"
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eqawarn
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fi
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if [[ ${all_targets[*]} != ${ALL_LLVM_TARGETS[*]#llvm_targets_} ]]; then
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eqawarn "ALL_LLVM_TARGETS is outdated!"
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eqawarn " Have: ${ALL_LLVM_TARGETS[*]#llvm_targets_}"
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eqawarn "Expected: ${all_targets[*]}"
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fi
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}
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check_distribution_components() {
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if [[ ${CMAKE_MAKEFILE_GENERATOR} == ninja ]]; then
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local all_targets=() my_targets=() l
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cd "${BUILD_DIR}" || die
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while read -r l; do
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if [[ ${l} == install-*-stripped:* ]]; then
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l=${l#install-}
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l=${l%%-stripped*}
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case ${l} in
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# shared libs
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LLVM|LLVMgold)
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;;
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# TableGen lib + deps
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LLVMDemangle|LLVMSupport|LLVMTableGen)
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;;
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# static libs
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LLVM*)
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continue
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;;
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# meta-targets
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distribution|llvm-libraries)
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continue
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;;
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# used only w/ USE=doc
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docs-llvm-html)
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use doc || continue
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;;
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esac
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all_targets+=( "${l}" )
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fi
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done < <(ninja -t targets all)
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while read -r l; do
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my_targets+=( "${l}" )
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done < <(get_distribution_components $"\n")
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local add=() remove=()
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for l in "${all_targets[@]}"; do
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if ! has "${l}" "${my_targets[@]}"; then
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add+=( "${l}" )
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fi
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done
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for l in "${my_targets[@]}"; do
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if ! has "${l}" "${all_targets[@]}"; then
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remove+=( "${l}" )
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fi
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done
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if [[ ${#add[@]} -gt 0 || ${#remove[@]} -gt 0 ]]; then
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eqawarn "get_distribution_components() is outdated!"
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eqawarn " Add: ${add[*]}"
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eqawarn "Remove: ${remove[*]}"
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fi
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cd - >/dev/null || die
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fi
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}
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src_prepare() {
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# disable use of SDK on OSX, bug #568758
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sed -i -e 's/xcrun/false/' utils/lit/lit/util.py || die
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# Update config.guess to support more systems
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cp "${BROOT}/usr/share/gnuconfig/config.guess" cmake/ || die
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# Verify that the live ebuild is up-to-date
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check_live_ebuild
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llvm.org_src_prepare
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}
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# Is LLVM being linked against libc++?
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is_libcxx_linked() {
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local code='#include <ciso646>
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#if defined(_LIBCPP_VERSION)
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HAVE_LIBCXX
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#endif
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'
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local out=$($(tc-getCXX) ${CXXFLAGS} ${CPPFLAGS} -x c++ -E -P - <<<"${code}") || return 1
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[[ ${out} == *HAVE_LIBCXX* ]]
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}
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get_distribution_components() {
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local sep=${1-;}
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local out=(
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# shared libs
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LLVM
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LTO
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Remarks
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# tools
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llvm-config
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# common stuff
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cmake-exports
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llvm-headers
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# libraries needed for clang-tblgen
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LLVMDemangle
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LLVMSupport
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LLVMTableGen
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)
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if multilib_is_native_abi; then
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out+=(
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# utilities
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llvm-tblgen
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FileCheck
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llvm-PerfectShuffle
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count
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not
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yaml-bench
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# tools
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bugpoint
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dsymutil
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llc
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lli
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lli-child-target
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llvm-addr2line
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llvm-ar
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llvm-as
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llvm-bcanalyzer
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llvm-bitcode-strip
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llvm-c-test
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llvm-cat
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llvm-cfi-verify
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llvm-config
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llvm-cov
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llvm-cvtres
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llvm-cxxdump
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llvm-cxxfilt
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llvm-cxxmap
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llvm-diff
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llvm-dis
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llvm-dlltool
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llvm-dwarfdump
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llvm-dwp
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llvm-elfabi
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llvm-exegesis
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llvm-extract
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llvm-gsymutil
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llvm-ifs
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llvm-install-name-tool
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llvm-jitlink
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llvm-jitlink-executor
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llvm-lib
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llvm-libtool-darwin
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llvm-link
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llvm-lipo
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llvm-lto
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llvm-lto2
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llvm-mc
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llvm-mca
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llvm-ml
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llvm-modextract
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llvm-mt
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llvm-nm
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llvm-objcopy
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llvm-objdump
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llvm-opt-report
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llvm-pdbutil
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llvm-profdata
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llvm-profgen
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llvm-ranlib
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llvm-rc
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llvm-readelf
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llvm-readobj
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llvm-reduce
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llvm-rtdyld
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llvm-size
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llvm-split
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llvm-stress
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llvm-strings
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llvm-strip
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llvm-symbolizer
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llvm-undname
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llvm-xray
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obj2yaml
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opt
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sancov
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sanstats
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split-file
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verify-uselistorder
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yaml2obj
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# python modules
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opt-viewer
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)
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if llvm_are_manpages_built; then
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out+=(
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# manpages
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docs-dsymutil-man
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docs-llvm-dwarfdump-man
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docs-llvm-man
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)
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fi
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use doc && out+=(
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docs-llvm-html
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)
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use gold && out+=(
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LLVMgold
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)
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fi
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printf "%s${sep}" "${out[@]}"
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}
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multilib_src_configure() {
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local ffi_cflags ffi_ldflags
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if use libffi; then
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ffi_cflags=$($(tc-getPKG_CONFIG) --cflags-only-I libffi)
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ffi_ldflags=$($(tc-getPKG_CONFIG) --libs-only-L libffi)
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fi
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local libdir=$(get_libdir)
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local mycmakeargs=(
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# disable appending VCS revision to the version to improve
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# direct cache hit ratio
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-DLLVM_APPEND_VC_REV=OFF
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-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/${SLOT}"
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-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
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-DBUILD_SHARED_LIBS=OFF
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-DLLVM_BUILD_LLVM_DYLIB=ON
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-DLLVM_LINK_LLVM_DYLIB=ON
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-DLLVM_DISTRIBUTION_COMPONENTS=$(get_distribution_components)
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# cheap hack: LLVM combines both anyway, and the only difference
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# is that the former list is explicitly verified at cmake time
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-DLLVM_TARGETS_TO_BUILD=""
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-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD="${LLVM_TARGETS// /;}"
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-DLLVM_BUILD_TESTS=$(usex test)
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-DLLVM_ENABLE_FFI=$(usex libffi)
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-DLLVM_ENABLE_LIBEDIT=$(usex libedit)
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-DLLVM_ENABLE_TERMINFO=$(usex ncurses)
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-DLLVM_ENABLE_LIBXML2=$(usex xml)
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-DLLVM_ENABLE_ASSERTIONS=$(usex debug)
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-DLLVM_ENABLE_LIBPFM=$(usex exegesis)
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-DLLVM_ENABLE_EH=ON
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-DLLVM_ENABLE_RTTI=ON
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-DLLVM_ENABLE_Z3_SOLVER=$(usex z3)
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-DLLVM_HOST_TRIPLE="${CHOST}"
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-DFFI_INCLUDE_DIR="${ffi_cflags#-I}"
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-DFFI_LIBRARY_DIR="${ffi_ldflags#-L}"
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# used only for llvm-objdump tool
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-DHAVE_LIBXAR=$(multilib_native_usex xar 1 0)
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-DPython3_EXECUTABLE="${PYTHON}"
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# disable OCaml bindings (now in dev-ml/llvm-ocaml)
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-DOCAMLFIND=NO
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)
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if is_libcxx_linked; then
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# Smart hack: alter version suffix -> SOVERSION when linking
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# against libc++. This way we won't end up mixing LLVM libc++
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# libraries with libstdc++ clang, and the other way around.
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mycmakeargs+=(
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-DLLVM_VERSION_SUFFIX="libcxx"
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-DLLVM_ENABLE_LIBCXX=ON
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)
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fi
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# Note: go bindings have no CMake rules at the moment
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# but let's kill the check in case they are introduced
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# if ! multilib_is_native_abi || ! use go; then
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mycmakeargs+=(
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-DGO_EXECUTABLE=GO_EXECUTABLE-NOTFOUND
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)
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# fi
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use test && mycmakeargs+=(
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-DLLVM_LIT_ARGS="$(get_lit_flags)"
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)
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if multilib_is_native_abi; then
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local build_docs=OFF
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if llvm_are_manpages_built; then
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build_docs=ON
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mycmakeargs+=(
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-DCMAKE_INSTALL_MANDIR="${EPREFIX}/usr/lib/llvm/${SLOT}/share/man"
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-DLLVM_INSTALL_SPHINX_HTML_DIR="${EPREFIX}/usr/share/doc/${PF}/html"
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-DSPHINX_WARNINGS_AS_ERRORS=OFF
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)
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fi
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mycmakeargs+=(
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-DLLVM_BUILD_DOCS=${build_docs}
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-DLLVM_ENABLE_OCAMLDOC=OFF
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-DLLVM_ENABLE_SPHINX=${build_docs}
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-DLLVM_ENABLE_DOXYGEN=OFF
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-DLLVM_INSTALL_UTILS=ON
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)
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use gold && mycmakeargs+=(
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-DLLVM_BINUTILS_INCDIR="${EPREFIX}"/usr/include
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)
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fi
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if tc-is-cross-compiler; then
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local tblgen="${EPREFIX}/usr/lib/llvm/${SLOT}/bin/llvm-tblgen"
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[[ -x "${tblgen}" ]] \
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|| die "${tblgen} not found or usable"
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mycmakeargs+=(
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-DCMAKE_CROSSCOMPILING=ON
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-DLLVM_TABLEGEN="${tblgen}"
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)
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fi
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# workaround BMI bug in gcc-7 (fixed in 7.4)
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# https://bugs.gentoo.org/649880
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# apply only to x86, https://bugs.gentoo.org/650506
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if tc-is-gcc && [[ ${MULTILIB_ABI_FLAG} == abi_x86* ]] &&
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[[ $(gcc-major-version) -eq 7 && $(gcc-minor-version) -lt 4 ]]
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then
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local CFLAGS="${CFLAGS} -mno-bmi"
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local CXXFLAGS="${CXXFLAGS} -mno-bmi"
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fi
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# LLVM can have very high memory consumption while linking,
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# exhausting the limit on 32-bit linker executable
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use x86 && local -x LDFLAGS="${LDFLAGS} -Wl,--no-keep-memory"
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# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
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use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
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cmake_src_configure
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multilib_is_native_abi && check_distribution_components
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}
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multilib_src_compile() {
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cmake_build distribution
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pax-mark m "${BUILD_DIR}"/bin/llvm-rtdyld
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pax-mark m "${BUILD_DIR}"/bin/lli
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pax-mark m "${BUILD_DIR}"/bin/lli-child-target
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if use test; then
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pax-mark m "${BUILD_DIR}"/unittests/ExecutionEngine/Orc/OrcJITTests
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pax-mark m "${BUILD_DIR}"/unittests/ExecutionEngine/MCJIT/MCJITTests
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pax-mark m "${BUILD_DIR}"/unittests/Support/SupportTests
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fi
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}
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multilib_src_test() {
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# respect TMPDIR!
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local -x LIT_PRESERVES_TMP=1
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cmake_build check
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}
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src_install() {
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local MULTILIB_CHOST_TOOLS=(
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/usr/lib/llvm/${SLOT}/bin/llvm-config
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)
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local MULTILIB_WRAPPED_HEADERS=(
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/usr/include/llvm/Config/llvm-config.h
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)
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local LLVM_LDPATHS=()
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multilib-minimal_src_install
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# move wrapped headers back
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mv "${ED}"/usr/include "${ED}"/usr/lib/llvm/${SLOT}/include || die
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}
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multilib_src_install() {
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DESTDIR=${D} cmake_build install-distribution
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# move headers to /usr/include for wrapping
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rm -rf "${ED}"/usr/include || die
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mv "${ED}"/usr/lib/llvm/${SLOT}/include "${ED}"/usr/include || die
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LLVM_LDPATHS+=( "${EPREFIX}/usr/lib/llvm/${SLOT}/$(get_libdir)" )
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}
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multilib_src_install_all() {
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local revord=$(( 9999 - ${SLOT} ))
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newenvd - "60llvm-${revord}" <<-_EOF_
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PATH="${EPREFIX}/usr/lib/llvm/${SLOT}/bin"
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# we need to duplicate it in ROOTPATH for Portage to respect...
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ROOTPATH="${EPREFIX}/usr/lib/llvm/${SLOT}/bin"
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MANPATH="${EPREFIX}/usr/lib/llvm/${SLOT}/share/man"
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LDPATH="$( IFS=:; echo "${LLVM_LDPATHS[*]}" )"
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_EOF_
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docompress "/usr/lib/llvm/${SLOT}/share/man"
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llvm_install_manpages
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}
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pkg_postinst() {
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elog "You can find additional opt-viewer utility scripts in:"
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elog " ${EROOT}/usr/lib/llvm/${SLOT}/share/opt-viewer"
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elog "To use these scripts, you will need Python along with the following"
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elog "packages:"
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elog " dev-python/pygments (for opt-viewer)"
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elog " dev-python/pyyaml (for all of them)"
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}
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