dev-python/pypy3-exe: Backport incremental unicode decoder fix

Closes: https://bugs.gentoo.org/775074
Signed-off-by: Michał Górny <mgorny@gentoo.org>

2 files changed, 168 insertions, 0 deletions

diff --git a/dev-python/pypy3-exe/Manifest b/dev-python/pypy3-exe/Manifest
index 8f103b863d61..899106199d19 100644
--- a/dev-python/pypy3-exe/Manifest
+++ b/dev-python/pypy3-exe/Manifest
@@ -1,2 +1,3 @@
 DIST pypy3.7-gentoo-patches-7.3.3_p1.tar.xz 13816 BLAKE2B 135a029e2d881ed5e43869fde391571285454b8612f2857fb5fe7aaf5b126f84d01293bd31e7a7746ad03fce1e14ace6a6f9cc2634269ec431b4aabfe70f9b4c SHA512 acf4938bc171e757196cf138358a298880792367ca5fff6b462d6971c8597e064777f99b687cb25003c6f25762a901ed482eebd791fdb008fa729ca9c9c300e8
+DIST pypy3.7-gentoo-patches-7.3.3_p2.tar.xz 14508 BLAKE2B c2df6b9a88fc4dfb5fd4d68dda65e69e039c28a44193d94b1efeed58aa944a111f755096b8dc3d3318a294eaafd75eb1d583fa3acc704bc272260f25545a9da8 SHA512 5736fefa62b359e2a86c336853142114ceab0e68cf8337aaaac18492d6521d780109cdab80ab46f577610a32082477610a1f56882650d45f41b17083387f1f8d
 DIST pypy3.7-v7.3.3-src.tar.bz2 24633503 BLAKE2B 0fb9fbb8866cf661c5b1d8d029fb2bc50737fae097875d0dac86c9ec21dc907093173b350a4f89d2c5a1fbed4c92ca4919f047536b828d4ee35583d615e7ddce SHA512 c98955e72dc0bd0452e4e16e0fe0ab318a34d6d57217ea33349e98ed047597ba97be7d15b41edd4dc85028fcca0a6257a4bb98fe96ce876e41a04df012261f4a
diff --git a/dev-python/pypy3-exe/pypy3-exe-7.3.3_p37_p2.ebuild b/dev-python/pypy3-exe/pypy3-exe-7.3.3_p37_p2.ebuild
new file mode 100644
index 000000000000..27b0473f2566
--- /dev/null
+++ b/dev-python/pypy3-exe/pypy3-exe-7.3.3_p37_p2.ebuild
@@ -0,0 +1,167 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+# pypy3 needs to be built using python 2
+PYTHON_COMPAT=( python2_7 )
+inherit check-reqs pax-utils python-any-r1 toolchain-funcs
+
+PYPY_PV=${PV%_p37*}
+MY_P=pypy3.7-v${PYPY_PV/_/}
+PATCHSET="pypy3.7-gentoo-patches-${PV/_p37}"
+
+DESCRIPTION="PyPy3 executable (build from source)"
+HOMEPAGE="https://www.pypy.org/"
+SRC_URI="https://buildbot.pypy.org/pypy/${MY_P}-src.tar.bz2
+	https://dev.gentoo.org/~mgorny/dist/python/${PATCHSET}.tar.xz"
+S="${WORKDIR}/${MY_P}-src"
+
+LICENSE="MIT"
+SLOT="${PV%_p*}"
+KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86 ~amd64-linux ~x86-linux"
+IUSE="bzip2 +jit low-memory ncurses cpu_flags_x86_sse2"
+
+RDEPEND=">=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= )
+	!dev-python/pypy3-exe-bin:${PV%_p*}"
+DEPEND="${RDEPEND}"
+BDEPEND="
+	low-memory? ( dev-python/pypy )
+	!low-memory? (
+		|| (
+			dev-python/pypy
+			dev-lang/python:2.7
+		)
+	)"
+
+check_env() {
+	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() {
+	if [[ ${MERGE_TYPE} != binary ]]; then
+		check_env
+
+		# unset to allow forcing pypy below :)
+		use low-memory && EPYTHON=
+		if [[ ! ${EPYTHON} || ${EPYTHON} == pypy ]] &&
+				{ has_version -b dev-python/pypy ||
+				has_version -b dev-python/pypy-bin; }
+		then
+			einfo "Using PyPy to perform the translation."
+			EPYTHON=pypy
+		else
+			einfo "Using ${EPYTHON:-python2} to perform the translation. Please note that upstream"
+			einfo "recommends using PyPy for that. If you wish to do so, please install"
+			einfo "dev-python/pypy and ensure that EPYTHON variable is unset."
+			python-any-r1_pkg_setup
+		fi
+	fi
+}
+
+src_prepare() {
+	local PATCHES=(
+		"${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=( "${EPYTHON}" )
+	if use low-memory; then
+		interp=( env PYPY_GC_MAX_DELTA=200MB
+			"${EPYTHON}" --jit loop_longevity=300 )
+	fi
+
+	if [[ ${EPYTHON} != pypy ]]; then
+		# reuse bundled pycparser to avoid external dep
+		mkdir -p "${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 "${T}"/usession*-0/testing_1
+}
+
+src_install() {
+	local dest=/usr/lib/pypy3.7
+	exeinto "${dest}"
+	newexe "${T}"/usession*-0/testing_1/pypy3-c pypy3-c-${PYPY_PV}
+	insinto "${dest}"/include/${PYPY_PV}
+	doins include/pypy_*
+	pax-mark m "${ED}${dest}/pypy3-c-${PYPY_PV}"
+}