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# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
PYTHON_COMPAT=( python2_7 pypy )
inherit check-reqs pax-utils python-any-r1 toolchain-funcs
# note: remember to update this to newest dev-lang/python:2.7 on bump
CPY_PATCHSET_VERSION="2.7.15"
MY_P=pypy2.7-v${PV}
DESCRIPTION="A fast, compliant alternative implementation of the Python language"
HOMEPAGE="http://pypy.org/"
SRC_URI="https://bitbucket.org/pypy/pypy/downloads/${MY_P}-src.tar.bz2"
LICENSE="MIT"
# pypy -c 'import sysconfig; print sysconfig.get_config_var("SOABI")'
# pypy 7.0.0: install directory changed to 'pypy2.7'
SLOT="0/41-py27"
KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
IUSE="bzip2 +jit low-memory ncurses sandbox cpu_flags_x86_sse2 test"
DEPEND=">=sys-libs/zlib-1.1.3:0=
virtual/libffi:0=
virtual/libintl:0=
dev-libs/expat:0=
bzip2? ( app-arch/bzip2:0= )
ncurses? ( sys-libs/ncurses:0= )
app-arch/lzip
${PYTHON_DEPS}"
S="${WORKDIR}/${MY_P}-src"
pkg_pretend() {
if [[ ${MERGE_TYPE} != binary ]]; then
if use low-memory; then
if ! python_is_installed pypy; then
eerror "USE=low-memory requires a (possibly old) version of dev-python/pypy"
eerror "or dev-python/pypy-bin being installed. Please install it using e.g.:"
eerror
eerror " $ emerge -1v dev-python/pypy-bin"
eerror
eerror "before attempting to build dev-python/pypy[low-memory]."
die "dev-python/pypy-bin (or dev-python/pypy) needs to be installed for USE=low-memory"
fi
CHECKREQS_MEMORY="1750M"
use amd64 && CHECKREQS_MEMORY="3500M"
else
CHECKREQS_MEMORY="3G"
use amd64 && CHECKREQS_MEMORY="6G"
fi
check-reqs_pkg_pretend
fi
[[ ${PYPY_BINPKG_STORE} ]] || die 'PYPY_BINPKG_STORE unset, wtf?!'
}
pkg_setup() {
if [[ ${MERGE_TYPE} != binary ]]; then
pkg_pretend
if python_is_installed pypy; then
if [[ ! ${EPYTHON} || ${EPYTHON} == pypy ]] || use low-memory; then
einfo "Using already-installed PyPy to perform the translation."
local EPYTHON=pypy
else
einfo "Using ${EPYTHON} to perform the translation. Please note that upstream"
einfo "recommends using PyPy for that. If you wish to do so, please unset"
einfo "the EPYTHON variable."
fi
fi
python-any-r1_pkg_setup
local cpu
if use amd64; then
# common denominator between Intel & AMD
cpu='x86-64'
elif use x86; then
if use cpu_flags_x86_sse2; then
# lowest with SSE2
cpu='pentium-m'
else
# lowest with SSE, compat. with athlon-xp
# TODO: do we want to support something older?
cpu='pentium3'
fi
else
die "Unsupported arch ${ARCH}"
fi
export CFLAGS="-march=${cpu} -mtune=generic -O2 -pipe"
export CXXFLAGS=${CFLAGS}
elog "CFLAGS: ${CFLAGS}"
fi
}
src_prepare() {
eapply "${FILESDIR}"/5.9.0-shared-lib.patch # 517002
eapply_user
}
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=(
--shared
$(usex jit -Ojit -O2)
$(usex sandbox --sandbox '')
${jit_backend}
pypy/goal/targetpypystandalone
)
# Avoid linking against libraries disabled by use flags
local opts=(
bzip2:bz2
ncurses:_minimal_curses
)
local opt
for opt in "${opts[@]}"; do
local flag=${opt%:*}
local mod=${opt#*:}
args+=(
$(usex ${flag} --withmod --withoutmod)-${mod}
)
done
local interp=( "${PYTHON}" )
if use low-memory; then
interp=( env PYPY_GC_MAX_DELTA=200MB
"${PYTHON}" --jit loop_longevity=300 )
fi
# translate into the C sources
# we're going to make 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 "${T}"/usession*-0/testing_1
# copy back to make sys.prefix happy
cp -p "${T}"/usession*-0/testing_1/{pypy-c,libpypy-c.so} . || die
pax-mark m pypy-c libpypy-c.so
}
src_install() {
local flags=( bzip2 jit ncurses sandbox )
use x86 && flags+=( cpu_flags_x86_sse2 )
local f suffix="-${ARCH}"
for f in ${flags[@]}; do
use ${f} && suffix+="+${f#cpu_flags_x86_}"
done
local BIN_P=pypy-bin-${PV}
einfo "Zipping PyPy ..."
mkdir "${BIN_P}${suffix}"{,/include} || die
mv pypy-c libpypy-c.so "${BIN_P}${suffix}"/ || die
mv include/pypy_* "${BIN_P}${suffix}"/include/ || die
chmod +x "${BIN_P}${suffix}"/pypy-c || die
tar -cf "${BIN_P}${suffix}.tar" "${BIN_P}${suffix}" || die
lzip -v9 "${BIN_P}${suffix}.tar" || die
}
# Yup, very hacky.
pkg_preinst() {
# integrity check.
[[ ${PYPY_BINPKG_STORE} ]] || die 'PYPY_BINPKG_STORE unset, wtf?!'
mkdir -p "${ROOT}${PYPY_BINPKG_STORE}" || die
mv "${S}"/*.tar.lz "${ROOT}${PYPY_BINPKG_STORE}" || die
}
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