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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit check-reqs pax-utils toolchain-funcs
PYPY_PV=${PV%_p*}
MY_P=pypy2.7-v${PYPY_PV/_}
PATCHSET="pypy2.7-gentoo-patches-${PV/_}"
DESCRIPTION="PyPy executable (build from source)"
HOMEPAGE="
https://www.pypy.org/
https://github.com/pypy/pypy/
"
SRC_URI="
https://downloads.python.org/pypy/${MY_P}-src.tar.bz2
https://buildbot.pypy.org/pypy/${MY_P}-src.tar.bz2
https://dev.gentoo.org/~mgorny/dist/python/${PATCHSET}.tar.xz
"
S="${WORKDIR}/${MY_P}-src"
LICENSE="MIT"
SLOT="${PYPY_PV}"
KEYWORDS="amd64 ~arm64 ~ppc64 x86 ~amd64-linux ~x86-linux"
IUSE="bzip2 +jit low-memory ncurses cpu_flags_x86_sse2"
DEPEND="
>=sys-libs/zlib-1.1.3:0=
dev-libs/libffi:0=
virtual/libintl:0=
dev-libs/expat:0=
bzip2? ( app-arch/bzip2:0= )
ncurses? ( sys-libs/ncurses:0= )
"
RDEPEND="
${DEPEND}
!dev-python/pypy-exe-bin:${PYPY_PV}
"
# don't enforce the dep on dev-python/pypy with USE=low-memory
# since it's going to cause circular dep with unhelpful error message
BDEPEND="
!low-memory? (
|| (
dev-python/pypy
dev-lang/python:2.7
)
)
"
check_env() {
if ! has_version -b dev-python/pypy; then
if use low-memory; then
eerror "USE=low-memory requires (a prior version of) dev-python/pypy"
eerror "installed."
else
ewarn "CPython 2.7 will be used to perform the translation. Upstream"
ewarn "recommends using (a prior version of) dev-python/pypy instead."
fi
elog "You can install a prebuilt version of PyPy first using e.g.:"
elog " $ emerge -1v dev-python/pypy dev-python/pypy-exe-bin"
if use low-memory; then
die "dev-python/pypy needs to be installed for USE=low-memory"
fi
fi
if use low-memory; then
CHECKREQS_MEMORY="1750M"
use amd64 && CHECKREQS_MEMORY="3500M"
else
CHECKREQS_MEMORY="3G"
use amd64 && CHECKREQS_MEMORY="6G"
fi
check-reqs_pkg_pretend
}
pkg_pretend() {
[[ ${MERGE_TYPE} != binary ]] && check_env
}
pkg_setup() {
[[ ${MERGE_TYPE} != binary ]] && check_env
}
src_prepare() {
local PATCHES=(
"${WORKDIR}/${PATCHSET}"
)
default
}
src_configure() {
tc-export CC
local jit_backend
if use jit; then
jit_backend='--jit-backend='
# We only need the explicit sse2 switch for x86.
# On other arches we can rely on autodetection which uses
# compiler macros. Plus, --jit-backend= doesn't accept all
# the modern values...
if use x86; then
if use cpu_flags_x86_sse2; then
jit_backend+=x86
else
jit_backend+=x86-without-sse2
fi
else
jit_backend+=auto
fi
fi
local args=(
--no-shared
$(usex jit -Ojit -O2)
${jit_backend}
pypy/goal/targetpypystandalone
)
# Avoid linking against libraries disabled by use flags
local opts=(
bzip2:bz2
ncurses:_minimal_curses
)
local opt
for opt in "${opts[@]}"; do
local flag=${opt%:*}
local mod=${opt#*:}
args+=(
$(usex ${flag} --withmod --withoutmod)-${mod}
)
done
local interp
if use low-memory || has_version -b dev-python/pypy; then
einfo "Using already-installed PyPy to perform the translation."
interp=( pypy )
if use low-memory; then
local -x PYPY_GC_MAX_DELTA=200MB
interp+=( --jit loop_longevity=300 )
fi
else
einfo "Using CPython 2.7 to perform the translation."
interp=( python2.7 )
# reuse bundled pycparser to avoid external dep
mkdir -p "${T}"/pymod/cffi || die
: > "${T}"/pymod/cffi/__init__.py || die
cp -r lib_pypy/cffi/_pycparser "${T}"/pymod/cffi/ || die
local -x PYTHONPATH=${T}/pymod:${PYTHONPATH}
fi
# translate into the C sources
# we're going to build them ourselves since otherwise pypy does not
# free up the unneeded memory before spawning the compiler
set -- "${interp[@]}" rpython/bin/rpython --batch --source "${args[@]}"
echo -e "\033[1m${@}\033[0m"
"${@}" || die "translation failed"
}
src_compile() {
emake -C "${T}"/usession*-0/testing_1
}
src_install() {
local dest=/usr/lib/pypy2.7
exeinto "${dest}"
newexe "${T}"/usession*-0/testing_1/pypy-c pypy-c-${PYPY_PV}
insinto "${dest}"/include/${PYPY_PV}
doins include/pypy_*
pax-mark m "${ED}${dest}/pypy-c-${PYPY_PV}"
}
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