summaryrefslogtreecommitdiff
blob: 8f5994bc275a5e45d1a05fed4cc66c5958a2e96a (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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI=6

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

# note: remember to update this to newest dev-lang/python:2.7 on bump
CPY_PATCHSET_VERSION="2.7.13-0"
MY_P=pypy2-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")'
SLOT="0/41"
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=
	dev-libs/openssl:0=[-bindist]
	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 "${FILESDIR}"/2.5.0-shared-lib.patch	# 517002
	# disarm implicit -flto
	eapply "${FILESDIR}"/5.7.1-kill-flto.patch

	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 '')

		${jit_backend}
		--make-jobs=$(makeopts_jobs)

		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
}