summaryrefslogtreecommitdiff
blob: 961ae14ae10f458db40f4cd1988f7d59f6575a30 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

PYTHON_COMPAT=( python2_7 )
inherit check-reqs pax-utils python-any-r1 toolchain-funcs

MY_P=pypy2.7-v${PV/_/}
DESCRIPTION="PyPy executable (build from source)"
HOMEPAGE="https://pypy.org/"
SRC_URI="https://buildbot.pypy.org/pypy/${MY_P}-src.tar.bz2"
S="${WORKDIR}/${MY_P}-src"

LICENSE="MIT"
SLOT="${PV}"
KEYWORDS="~amd64 ~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/pypy-exe-bin:${PV}"
# don't enforce the dep on pypy with USE=low-memory since it's going
# to cause either collisions or circular dep on itself
DEPEND="${RDEPEND}"
BDEPEND="
	!low-memory? (
		|| (
			dev-python/pypy
			dev-lang/python:2.7
		)
	)"

check_env() {
	if use low-memory; then
		if ! has_version -b dev-python/pypy &&
				! has_version -b dev-python/pypy-bin
		then
			eerror "USE=low-memory requires a (possibly old) version of dev-python/pypy"
			eerror "being installed. Please install it using e.g.:"
			eerror
			eerror "  $ emerge -1v dev-python/pypy dev-python/pypy-exe-bin"
			eerror
			eerror "before attempting to build dev-python/pypy-exe[low-memory]."
			die "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
}

pkg_pretend() {
	[[ ${MERGE_TYPE} != binary ]] && check_env
}

pkg_setup() {
	if [[ ${MERGE_TYPE} != binary ]]; then
		check_env

		use low-memory && EPYTHON=
		if [[ ! ${EPYTHON} || ${EPYTHON} == pypy ]] &&
				{ has_version -b dev-python/pypy ||
				has_version -b dev-python/pypy-bin; }
		then
			einfo "Using already-installed PyPy to perform the translation."
			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."
			python-any-r1_pkg_setup
		fi
	fi
}

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/pypy2.7
	exeinto "${dest}"
	newexe "${T}"/usession*-0/testing_1/pypy-c pypy-c-${PV}
	insinto "${dest}"/include/${PV}
	doins include/pypy_*
	pax-mark m "${ED}${dest}/pypy-c-${PV}"
}