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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
PYTHON_COMPAT=( python3_{7..9} )
inherit cmake llvm.org multilib-minimal pax-utils python-any-r1 \
toolchain-funcs
DESCRIPTION="Low Level Virtual Machine"
HOMEPAGE="https://llvm.org/"
# Those are in lib/Targets, without explicit CMakeLists.txt mention
ALL_LLVM_EXPERIMENTAL_TARGETS=( ARC VE )
# Keep in sync with CMakeLists.txt
ALL_LLVM_TARGETS=( AArch64 AMDGPU ARM AVR BPF Hexagon Lanai Mips MSP430
NVPTX PowerPC RISCV Sparc SystemZ WebAssembly X86 XCore
"${ALL_LLVM_EXPERIMENTAL_TARGETS[@]}" )
ALL_LLVM_TARGETS=( "${ALL_LLVM_TARGETS[@]/#/llvm_targets_}" )
# Additional licenses:
# 1. OpenBSD regex: Henry Spencer's license ('rc' in Gentoo) + BSD.
# 2. xxhash: BSD.
# 3. MD5 code: public-domain.
# 4. ConvertUTF.h: TODO.
LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA BSD public-domain rc"
SLOT="$(ver_cut 1)"
KEYWORDS="amd64 ~arm ~arm64 ~ppc64 ~riscv x86 ~amd64-linux ~ppc-macos ~x64-macos"
IUSE="debug doc exegesis gold libedit +libffi ncurses test xar xml z3
kernel_Darwin ${ALL_LLVM_TARGETS[*]}"
REQUIRED_USE="|| ( ${ALL_LLVM_TARGETS[*]} )"
RESTRICT="!test? ( test )"
RDEPEND="
sys-libs/zlib:0=[${MULTILIB_USEDEP}]
exegesis? ( dev-libs/libpfm:= )
gold? ( >=sys-devel/binutils-2.31.1-r4:*[plugins] )
libedit? ( dev-libs/libedit:0=[${MULTILIB_USEDEP}] )
libffi? ( >=dev-libs/libffi-3.0.13-r1:0=[${MULTILIB_USEDEP}] )
ncurses? ( >=sys-libs/ncurses-5.9-r3:0=[${MULTILIB_USEDEP}] )
xar? ( app-arch/xar )
xml? ( dev-libs/libxml2:2=[${MULTILIB_USEDEP}] )
z3? ( >=sci-mathematics/z3-4.7.1:0=[${MULTILIB_USEDEP}] )"
DEPEND="${RDEPEND}
gold? ( sys-libs/binutils-libs )"
BDEPEND="
dev-lang/perl
>=dev-util/cmake-3.16
sys-devel/gnuconfig
kernel_Darwin? (
<sys-libs/libcxx-$(ver_cut 1-3).9999
>=sys-devel/binutils-apple-5.1
)
doc? ( $(python_gen_any_dep '
dev-python/recommonmark[${PYTHON_USEDEP}]
dev-python/sphinx[${PYTHON_USEDEP}]
') )
libffi? ( virtual/pkgconfig )
${PYTHON_DEPS}"
# There are no file collisions between these versions but having :0
# installed means llvm-config there will take precedence.
RDEPEND="${RDEPEND}
!sys-devel/llvm:0"
PDEPEND="sys-devel/llvm-common
gold? ( >=sys-devel/llvmgold-${SLOT} )"
LLVM_COMPONENTS=( llvm )
LLVM_MANPAGES=pregenerated
llvm.org_set_globals
python_check_deps() {
use doc || return 0
has_version -b "dev-python/recommonmark[${PYTHON_USEDEP}]" &&
has_version -b "dev-python/sphinx[${PYTHON_USEDEP}]"
}
check_live_ebuild() {
local prod_targets=(
$(sed -n -e '/set(LLVM_ALL_TARGETS/,/)/p' CMakeLists.txt \
| tail -n +2 | head -n -1)
)
local all_targets=(
lib/Target/*/
)
all_targets=( "${all_targets[@]#lib/Target/}" )
all_targets=( "${all_targets[@]%/}" )
local exp_targets=() i
for i in "${all_targets[@]}"; do
has "${i}" "${prod_targets[@]}" || exp_targets+=( "${i}" )
done
# reorder
all_targets=( "${prod_targets[@]}" "${exp_targets[@]}" )
if [[ ${exp_targets[*]} != ${ALL_LLVM_EXPERIMENTAL_TARGETS[*]} ]]; then
eqawarn "ALL_LLVM_EXPERIMENTAL_TARGETS is outdated!"
eqawarn " Have: ${ALL_LLVM_EXPERIMENTAL_TARGETS[*]}"
eqawarn "Expected: ${exp_targets[*]}"
eqawarn
fi
if [[ ${all_targets[*]} != ${ALL_LLVM_TARGETS[*]#llvm_targets_} ]]; then
eqawarn "ALL_LLVM_TARGETS is outdated!"
eqawarn " Have: ${ALL_LLVM_TARGETS[*]#llvm_targets_}"
eqawarn "Expected: ${all_targets[*]}"
fi
}
check_distribution_components() {
if [[ ${CMAKE_MAKEFILE_GENERATOR} == ninja ]]; then
local all_targets=() my_targets=() l
cd "${BUILD_DIR}" || die
while read -r l; do
if [[ ${l} == install-*-stripped:* ]]; then
l=${l#install-}
l=${l%%-stripped*}
case ${l} in
# shared libs
LLVM|LLVMgold)
;;
# TableGen lib + deps
LLVMDemangle|LLVMSupport|LLVMTableGen)
;;
# static libs
LLVM*)
continue
;;
# meta-targets
distribution|llvm-libraries)
continue
;;
# used only w/ USE=doc
docs-llvm-html)
use doc || continue
;;
esac
all_targets+=( "${l}" )
fi
done < <(ninja -t targets all)
while read -r l; do
my_targets+=( "${l}" )
done < <(get_distribution_components $"\n")
local add=() remove=()
for l in "${all_targets[@]}"; do
if ! has "${l}" "${my_targets[@]}"; then
add+=( "${l}" )
fi
done
for l in "${my_targets[@]}"; do
if ! has "${l}" "${all_targets[@]}"; then
remove+=( "${l}" )
fi
done
if [[ ${#add[@]} -gt 0 || ${#remove[@]} -gt 0 ]]; then
eqawarn "get_distribution_components() is outdated!"
eqawarn " Add: ${add[*]}"
eqawarn "Remove: ${remove[*]}"
fi
cd - >/dev/null || die
fi
}
src_prepare() {
# Fix llvm-config for shared linking and sane flags
# https://bugs.gentoo.org/show_bug.cgi?id=565358
eapply "${FILESDIR}"/9999/0007-llvm-config-Clean-up-exported-values-update-for-shar.patch
# disable use of SDK on OSX, bug #568758
sed -i -e 's/xcrun/false/' utils/lit/lit/util.py || die
# Update config.guess to support more systems
cp "${BROOT}/usr/share/gnuconfig/config.guess" cmake/ || die
# Verify that the live ebuild is up-to-date
check_live_ebuild
llvm.org_src_prepare
}
# Is LLVM being linked against libc++?
is_libcxx_linked() {
local code='#include <ciso646>
#if defined(_LIBCPP_VERSION)
HAVE_LIBCXX
#endif
'
local out=$($(tc-getCXX) ${CXXFLAGS} ${CPPFLAGS} -x c++ -E -P - <<<"${code}") || return 1
[[ ${out} == *HAVE_LIBCXX* ]]
}
get_distribution_components() {
local sep=${1-;}
local out=(
# shared libs
LLVM
LTO
Remarks
# tools
llvm-config
# common stuff
cmake-exports
llvm-headers
# libraries needed for clang-tblgen
LLVMDemangle
LLVMSupport
LLVMTableGen
)
if multilib_is_native_abi; then
out+=(
# utilities
llvm-tblgen
FileCheck
llvm-PerfectShuffle
count
not
yaml-bench
# tools
bugpoint
dsymutil
llc
lli
lli-child-target
llvm-addr2line
llvm-ar
llvm-as
llvm-bcanalyzer
llvm-c-test
llvm-cat
llvm-cfi-verify
llvm-config
llvm-cov
llvm-cvtres
llvm-cxxdump
llvm-cxxfilt
llvm-cxxmap
llvm-diff
llvm-dis
llvm-dlltool
llvm-dwarfdump
llvm-dwp
llvm-elfabi
llvm-exegesis
llvm-extract
llvm-gsymutil
llvm-ifs
llvm-install-name-tool
llvm-jitlink
llvm-lib
llvm-link
llvm-lipo
llvm-lto
llvm-lto2
llvm-mc
llvm-mca
llvm-ml
llvm-modextract
llvm-mt
llvm-nm
llvm-objcopy
llvm-objdump
llvm-opt-report
llvm-pdbutil
llvm-profdata
llvm-ranlib
llvm-rc
llvm-readelf
llvm-readobj
llvm-reduce
llvm-rtdyld
llvm-size
llvm-split
llvm-stress
llvm-strings
llvm-strip
llvm-symbolizer
llvm-undname
llvm-xray
obj2yaml
opt
sancov
sanstats
verify-uselistorder
yaml2obj
# python modules
opt-viewer
)
if llvm_are_manpages_built; then
out+=(
# manpages
docs-dsymutil-man
docs-llvm-dwarfdump-man
docs-llvm-man
)
fi
use doc && out+=(
docs-llvm-html
)
use gold && out+=(
LLVMgold
)
fi
printf "%s${sep}" "${out[@]}"
}
multilib_src_configure() {
local ffi_cflags ffi_ldflags
if use libffi; then
ffi_cflags=$($(tc-getPKG_CONFIG) --cflags-only-I libffi)
ffi_ldflags=$($(tc-getPKG_CONFIG) --libs-only-L libffi)
fi
local libdir=$(get_libdir)
local mycmakeargs=(
# disable appending VCS revision to the version to improve
# direct cache hit ratio
-DLLVM_APPEND_VC_REV=OFF
-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/${SLOT}"
-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
-DBUILD_SHARED_LIBS=OFF
-DLLVM_BUILD_LLVM_DYLIB=ON
-DLLVM_LINK_LLVM_DYLIB=ON
-DLLVM_DISTRIBUTION_COMPONENTS=$(get_distribution_components)
# cheap hack: LLVM combines both anyway, and the only difference
# is that the former list is explicitly verified at cmake time
-DLLVM_TARGETS_TO_BUILD=""
-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD="${LLVM_TARGETS// /;}"
-DLLVM_BUILD_TESTS=$(usex test)
-DLLVM_ENABLE_FFI=$(usex libffi)
-DLLVM_ENABLE_LIBEDIT=$(usex libedit)
-DLLVM_ENABLE_TERMINFO=$(usex ncurses)
-DLLVM_ENABLE_LIBXML2=$(usex xml)
-DLLVM_ENABLE_ASSERTIONS=$(usex debug)
-DLLVM_ENABLE_LIBPFM=$(usex exegesis)
-DLLVM_ENABLE_EH=ON
-DLLVM_ENABLE_RTTI=ON
-DLLVM_ENABLE_Z3_SOLVER=$(usex z3)
-DLLVM_HOST_TRIPLE="${CHOST}"
-DFFI_INCLUDE_DIR="${ffi_cflags#-I}"
-DFFI_LIBRARY_DIR="${ffi_ldflags#-L}"
# used only for llvm-objdump tool
-DHAVE_LIBXAR=$(multilib_native_usex xar 1 0)
-DPython3_EXECUTABLE="${PYTHON}"
# disable OCaml bindings (now in dev-ml/llvm-ocaml)
-DOCAMLFIND=NO
)
if is_libcxx_linked; then
# Smart hack: alter version suffix -> SOVERSION when linking
# against libc++. This way we won't end up mixing LLVM libc++
# libraries with libstdc++ clang, and the other way around.
mycmakeargs+=(
-DLLVM_VERSION_SUFFIX="libcxx"
-DLLVM_ENABLE_LIBCXX=ON
)
fi
# Note: go bindings have no CMake rules at the moment
# but let's kill the check in case they are introduced
# if ! multilib_is_native_abi || ! use go; then
mycmakeargs+=(
-DGO_EXECUTABLE=GO_EXECUTABLE-NOTFOUND
)
# fi
use test && mycmakeargs+=(
-DLLVM_LIT_ARGS="$(get_lit_flags)"
)
if multilib_is_native_abi; then
local build_docs=OFF
if llvm_are_manpages_built; then
build_docs=ON
mycmakeargs+=(
-DCMAKE_INSTALL_MANDIR="${EPREFIX}/usr/lib/llvm/${SLOT}/share/man"
-DLLVM_INSTALL_SPHINX_HTML_DIR="${EPREFIX}/usr/share/doc/${PF}/html"
-DSPHINX_WARNINGS_AS_ERRORS=OFF
)
fi
mycmakeargs+=(
-DLLVM_BUILD_DOCS=${build_docs}
-DLLVM_ENABLE_OCAMLDOC=OFF
-DLLVM_ENABLE_SPHINX=${build_docs}
-DLLVM_ENABLE_DOXYGEN=OFF
-DLLVM_INSTALL_UTILS=ON
)
use gold && mycmakeargs+=(
-DLLVM_BINUTILS_INCDIR="${EPREFIX}"/usr/include
)
fi
if tc-is-cross-compiler; then
local tblgen="${EPREFIX}/usr/lib/llvm/${SLOT}/bin/llvm-tblgen"
[[ -x "${tblgen}" ]] \
|| die "${tblgen} not found or usable"
mycmakeargs+=(
-DCMAKE_CROSSCOMPILING=ON
-DLLVM_TABLEGEN="${tblgen}"
)
fi
# workaround BMI bug in gcc-7 (fixed in 7.4)
# https://bugs.gentoo.org/649880
# apply only to x86, https://bugs.gentoo.org/650506
if tc-is-gcc && [[ ${MULTILIB_ABI_FLAG} == abi_x86* ]] &&
[[ $(gcc-major-version) -eq 7 && $(gcc-minor-version) -lt 4 ]]
then
local CFLAGS="${CFLAGS} -mno-bmi"
local CXXFLAGS="${CXXFLAGS} -mno-bmi"
fi
# LLVM can have very high memory consumption while linking,
# exhausting the limit on 32-bit linker executable
use x86 && local -x LDFLAGS="${LDFLAGS} -Wl,--no-keep-memory"
# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
cmake_src_configure
multilib_is_native_abi && check_distribution_components
}
multilib_src_compile() {
cmake_build distribution
pax-mark m "${BUILD_DIR}"/bin/llvm-rtdyld
pax-mark m "${BUILD_DIR}"/bin/lli
pax-mark m "${BUILD_DIR}"/bin/lli-child-target
if use test; then
pax-mark m "${BUILD_DIR}"/unittests/ExecutionEngine/Orc/OrcJITTests
pax-mark m "${BUILD_DIR}"/unittests/ExecutionEngine/MCJIT/MCJITTests
pax-mark m "${BUILD_DIR}"/unittests/Support/SupportTests
fi
}
multilib_src_test() {
# respect TMPDIR!
local -x LIT_PRESERVES_TMP=1
cmake_build check
}
src_install() {
local MULTILIB_CHOST_TOOLS=(
/usr/lib/llvm/${SLOT}/bin/llvm-config
)
local MULTILIB_WRAPPED_HEADERS=(
/usr/include/llvm/Config/llvm-config.h
)
local LLVM_LDPATHS=()
multilib-minimal_src_install
# move wrapped headers back
mv "${ED}"/usr/include "${ED}"/usr/lib/llvm/${SLOT}/include || die
}
multilib_src_install() {
DESTDIR=${D} cmake_build install-distribution
# move headers to /usr/include for wrapping
rm -rf "${ED}"/usr/include || die
mv "${ED}"/usr/lib/llvm/${SLOT}/include "${ED}"/usr/include || die
LLVM_LDPATHS+=( "${EPREFIX}/usr/lib/llvm/${SLOT}/$(get_libdir)" )
}
multilib_src_install_all() {
local revord=$(( 9999 - ${SLOT} ))
newenvd - "60llvm-${revord}" <<-_EOF_
PATH="${EPREFIX}/usr/lib/llvm/${SLOT}/bin"
# we need to duplicate it in ROOTPATH for Portage to respect...
ROOTPATH="${EPREFIX}/usr/lib/llvm/${SLOT}/bin"
MANPATH="${EPREFIX}/usr/lib/llvm/${SLOT}/share/man"
LDPATH="$( IFS=:; echo "${LLVM_LDPATHS[*]}" )"
_EOF_
docompress "/usr/lib/llvm/${SLOT}/share/man"
llvm_install_manpages
}
pkg_postinst() {
elog "You can find additional opt-viewer utility scripts in:"
elog " ${EROOT}/usr/lib/llvm/${SLOT}/share/opt-viewer"
elog "To use these scripts, you will need Python along with the following"
elog "packages:"
elog " dev-python/pygments (for opt-viewer)"
elog " dev-python/pyyaml (for all of them)"
}
|