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1# Copyright 1999-2006 Gentoo Foundation 1# Copyright 1999-2012 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/haskell-cabal.eclass,v 1.21 2010/08/07 12:06:27 kolmodin Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/haskell-cabal.eclass,v 1.28 2012/03/09 22:01:11 slyfox Exp $
4# 4
5# @ECLASS: haskell-cabal.eclass
6# @MAINTAINER:
7# Haskell herd <haskell@gentoo.org>
8# @AUTHOR:
5# Original authors: Andres Loeh <kosmikus@gentoo.org> 9# Original author: Andres Loeh <kosmikus@gentoo.org>
6# Duncan Coutts <dcoutts@gentoo.org> 10# Original author: Duncan Coutts <dcoutts@gentoo.org>
7# Maintained by: Haskell herd <haskell@gentoo.org> 11# @BLURB: for packages that make use of the Haskell Common Architecture for Building Applications and Libraries (cabal)
8# 12# @DESCRIPTION:
9# This eclass is for packages that make use of the
10# Haskell Common Architecture for Building Applications
11# and Libraries (cabal).
12#
13# Basic instructions: 13# Basic instructions:
14# 14#
15# Before inheriting the eclass, set CABAL_FEATURES to 15# Before inheriting the eclass, set CABAL_FEATURES to
16# reflect the tools and features that the package makes 16# reflect the tools and features that the package makes
17# use of. 17# use of.
26# profile -- if package supports to build profiling-enabled libraries 26# profile -- if package supports to build profiling-enabled libraries
27# bootstrap -- only used for the cabal package itself 27# bootstrap -- only used for the cabal package itself
28# bin -- the package installs binaries 28# bin -- the package installs binaries
29# lib -- the package installs libraries 29# lib -- the package installs libraries
30# nocabaldep -- don't add dependency on cabal. 30# nocabaldep -- don't add dependency on cabal.
31# only used for packages that _must_ not pull the dependency 31# only used for packages that _must_ not pull the dependency
32# on cabal, but still use this eclass (e.g. haskell-updater). 32# on cabal, but still use this eclass (e.g. haskell-updater).
33# 33#
34# Dependencies on other cabal packages have to be specified 34# Dependencies on other cabal packages have to be specified
35# correctly. 35# correctly.
36# 36#
37# Cabal libraries should usually be SLOTted with "${PV}". 37# Cabal libraries should usually be SLOTted with "${PV}".
43# 43#
44# Special flags to Cabal Configure can now be set by using 44# Special flags to Cabal Configure can now be set by using
45# CABAL_CONFIGURE_FLAGS 45# CABAL_CONFIGURE_FLAGS
46 46
47inherit ghc-package multilib 47inherit ghc-package multilib
48
49# @ECLASS-VARIABLE: CABAL_EXTRA_CONFIGURE_FLAGS
50# @DESCRIPTION:
51# User-specified additional parameters passed to 'setup configure'.
52# example: /etc/make.conf: CABAL_EXTRA_CONFIGURE_FLAGS=--enable-shared
53: ${CABAL_EXTRA_CONFIGURE_FLAGS:=}
54
55# @ECLASS-VARIABLE: CABAL_EXTRA_BUILD_FLAGS
56# @DESCRIPTION:
57# User-specified additional parameters passed to 'setup build'.
58# example: /etc/make.conf: CABAL_EXTRA_BUILD_FLAGS=-v
59: ${CABAL_EXTRA_BUILD_FLAGS:=}
60
61# @ECLASS-VARIABLE: GHC_BOOTSTRAP_FLAGS
62# @DESCRIPTION:
63# User-specified additional parameters for ghc when building
64# _only_ 'setup' binary bootstrap.
65# example: /etc/make.conf: GHC_BOOTSTRAP_FLAGS=-dynamic to make
66# linking 'setup' faster.
67: ${GHC_BOOTSTRAP_FLAGS:=}
48 68
49HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install" 69HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install"
50 70
51case "${EAPI:-0}" in 71case "${EAPI:-0}" in
52 2|3|4) HASKELL_CABAL_EXPF+=" src_configure" ;; 72 2|3|4) HASKELL_CABAL_EXPF+=" src_configure" ;;
57 77
58for feature in ${CABAL_FEATURES}; do 78for feature in ${CABAL_FEATURES}; do
59 case ${feature} in 79 case ${feature} in
60 haddock) CABAL_USE_HADDOCK=yes;; 80 haddock) CABAL_USE_HADDOCK=yes;;
61 hscolour) CABAL_USE_HSCOLOUR=yes;; 81 hscolour) CABAL_USE_HSCOLOUR=yes;;
82 hoogle) CABAL_USE_HOOGLE=yes;;
62 alex) CABAL_USE_ALEX=yes;; 83 alex) CABAL_USE_ALEX=yes;;
63 happy) CABAL_USE_HAPPY=yes;; 84 happy) CABAL_USE_HAPPY=yes;;
64 c2hs) CABAL_USE_C2HS=yes;; 85 c2hs) CABAL_USE_C2HS=yes;;
65 cpphs) CABAL_USE_CPPHS=yes;; 86 cpphs) CABAL_USE_CPPHS=yes;;
66 profile) CABAL_USE_PROFILE=yes;; 87 profile) CABAL_USE_PROFILE=yes;;
72 esac 93 esac
73done 94done
74 95
75if [[ -n "${CABAL_USE_HADDOCK}" ]]; then 96if [[ -n "${CABAL_USE_HADDOCK}" ]]; then
76 IUSE="${IUSE} doc" 97 IUSE="${IUSE} doc"
77 DEPEND="${DEPEND} doc? ( dev-haskell/haddock )" 98 # don't require depend on itself to build docs.
99 # ebuild bootstraps docs from just built binary
100 [[ ${CATEGORY}/${PN} = "dev-haskell/haddock" ]] || DEPEND="${DEPEND} doc? ( dev-haskell/haddock )"
78fi 101fi
79 102
80if [[ -n "${CABAL_USE_HSCOLOUR}" ]]; then 103if [[ -n "${CABAL_USE_HSCOLOUR}" ]]; then
81 IUSE="${IUSE} hscolour" 104 IUSE="${IUSE} hscolour"
82 DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )" 105 DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )"
83fi 106fi
84 107
85if [[ -n "${CABAL_USE_ALEX}" ]]; then 108if [[ -n "${CABAL_USE_ALEX}" ]]; then
86 DEPEND="${DEPEND} dev-haskell/alex" 109 DEPEND="${DEPEND} dev-haskell/alex"
87 cabalconf="${cabalconf} --with-alex=/usr/bin/alex"
88fi 110fi
89 111
90if [[ -n "${CABAL_USE_HAPPY}" ]]; then 112if [[ -n "${CABAL_USE_HAPPY}" ]]; then
91 DEPEND="${DEPEND} dev-haskell/happy" 113 DEPEND="${DEPEND} dev-haskell/happy"
92 cabalconf="${cabalconf} --with-happy=/usr/bin/happy"
93fi 114fi
94 115
95if [[ -n "${CABAL_USE_C2HS}" ]]; then 116if [[ -n "${CABAL_USE_C2HS}" ]]; then
96 DEPEND="${DEPEND} dev-haskell/c2hs" 117 DEPEND="${DEPEND} dev-haskell/c2hs"
97 cabalconf="${cabalconf} --with-c2hs=/usr/bin/c2hs"
98fi 118fi
99 119
100if [[ -n "${CABAL_USE_CPPHS}" ]]; then 120if [[ -n "${CABAL_USE_CPPHS}" ]]; then
101 DEPEND="${DEPEND} dev-haskell/cpphs" 121 DEPEND="${DEPEND} dev-haskell/cpphs"
102 cabalconf="${cabalconf} --with-cpphs=/usr/bin/cpphs"
103fi 122fi
104 123
105if [[ -n "${CABAL_USE_PROFILE}" ]]; then 124if [[ -n "${CABAL_USE_PROFILE}" ]]; then
106 IUSE="${IUSE} profile" 125 IUSE="${IUSE} profile"
107fi 126fi
127 if [[ "${CABAL_BOOTSTRAP}" ]]; then 146 if [[ "${CABAL_BOOTSTRAP}" ]]; then
128 # We're bootstrapping cabal, so the cabal version is the version 147 # We're bootstrapping cabal, so the cabal version is the version
129 # of this package itself. 148 # of this package itself.
130 _CABAL_VERSION_CACHE="${PV}" 149 _CABAL_VERSION_CACHE="${PV}"
131 elif [[ "${CABAL_FROM_GHC}" ]]; then 150 elif [[ "${CABAL_FROM_GHC}" ]]; then
132 # We can't assume there's a version of Cabal installed by ebuild as 151 local cabal_package=$(echo "$(ghc-libdir)"/Cabal-*)
133 # this might be a first time install of GHC (for packages that 152 # /path/to/ghc/Cabal-${VER} -> ${VER}
134 # use the shipped Cabal like haskell-updater). 153 _CABAL_VERSION_CACHE="${cabal_package/*Cabal-/}"
135
136 # The user is likely to only have one version of Cabal, provided
137 # by GHC. Note that dev-haskell/cabal can be a dummy package, only
138 # using the version provided by GHC. If the user has another version
139 # of Cabal too (more recent than the one GHC provides through
140 # dev-haskell/cabal, or possibly older if he used an old
141 # Cabal package) the most recent is used (expected to be the last
142 # one in the ghc-pkg output).
143 _CABAL_VERSION_CACHE="$(ghc-pkg field Cabal version | tail -n 1)"
144
145 # Strip out the "version: " prefix
146 _CABAL_VERSION_CACHE="${_CABAL_VERSION_CACHE#"version: "}"
147 else 154 else
148 # We ask portage, not ghc, so that we only pick up 155 # We ask portage, not ghc, so that we only pick up
149 # portage-installed cabal versions. 156 # portage-installed cabal versions.
150 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)" 157 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)"
151 fi 158 fi
173 else 180 else
174 # older ghc's don't support package versioning 181 # older ghc's don't support package versioning
175 cabalpackage=Cabal 182 cabalpackage=Cabal
176 fi 183 fi
177 einfo "Using cabal-$(cabal-version)." 184 einfo "Using cabal-$(cabal-version)."
185
186 make_setup() {
178 $(ghc-getghc) -package "${cabalpackage}" --make "${setupmodule}" -o setup \ 187 set -- -package "${cabalpackage}" --make "${setupmodule}" \
188 ${GHC_BOOTSTRAP_FLAGS} \
189 "$@" \
190 -o setup
191 echo $(ghc-getghc) ${HCFLAGS} "$@"
192 $(ghc-getghc) "$@"
193 }
194 if $(ghc-supports-shared-libraries); then
195 # some custom build systems might use external libraries,
196 # for which we don't have shared libs, so keep static fallback
197 make_setup -dynamic "$@" || make_setup "$@" || die "compiling ${setupmodule} failed"
198 else
179 || die "compiling ${setupmodule} failed" 199 make_setup "$@" || die "compiling ${setupmodule} failed"
200 fi
180} 201}
181 202
182cabal-mksetup() { 203cabal-mksetup() {
183 local setupdir 204 local setupdir
184 205
193 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \ 214 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \
194 > $setupdir/Setup.hs 215 > $setupdir/Setup.hs
195} 216}
196 217
197cabal-hscolour() { 218cabal-hscolour() {
198 ./setup hscolour || die "setup hscolour failed" 219 set -- hscolour "$@"
220 echo ./setup "$@"
221 ./setup "$@" || die "setup hscolour failed"
199} 222}
200 223
201cabal-haddock() { 224cabal-haddock() {
202 ./setup haddock || die "setup haddock failed" 225 set -- haddock "$@"
226 echo ./setup "$@"
227 ./setup "$@" || die "setup haddock failed"
203} 228}
204 229
205cabal-hscolour-haddock() { 230cabal-hscolour-haddock() {
206 # --hyperlink-source implies calling 'setup hscolour' 231 # --hyperlink-source implies calling 'setup hscolour'
232 set -- haddock --hyperlink-source
233 echo ./setup "$@"
207 ./setup haddock --hyperlink-source || die "setup haddock failed" 234 ./setup "$@" --hyperlink-source || die "setup haddock --hyperlink-source failed"
208} 235}
209 236
210cabal-configure() { 237cabal-configure() {
238 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
239
211 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 240 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
212 cabalconf="${cabalconf} --with-haddock=/usr/bin/haddock" 241 cabalconf="${cabalconf} --with-haddock=${EPREFIX}/usr/bin/haddock"
213 fi 242 fi
214 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then 243 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then
215 cabalconf="${cabalconf} --enable-library-profiling" 244 cabalconf="${cabalconf} --enable-library-profiling"
216 fi 245 fi
246 if [[ -n "${CABAL_USE_ALEX}" ]]; then
247 cabalconf="${cabalconf} --with-alex=${EPREFIX}/usr/bin/alex"
248 fi
249
250 if [[ -n "${CABAL_USE_HAPPY}" ]]; then
251 cabalconf="${cabalconf} --with-happy=${EPREFIX}/usr/bin/happy"
252 fi
253
254 if [[ -n "${CABAL_USE_C2HS}" ]]; then
255 cabalconf="${cabalconf} --with-c2hs=${EPREFIX}/usr/bin/c2hs"
256 fi
257 if [[ -n "${CABAL_USE_CPPHS}" ]]; then
258 cabalconf="${cabalconf} --with-cpphs=${EPREFIX}/usr/bin/cpphs"
259 fi
260
261 local option
262 for option in ${HCFLAGS}
263 do
264 cabalconf+=" --ghc-option=$option"
265 done
266
217 # Building GHCi libs on ppc64 causes "TOC overflow". 267 # Building GHCi libs on ppc64 causes "TOC overflow".
218 if use ppc64; then 268 if use ppc64; then
219 cabalconf="${cabalconf} --disable-library-for-ghci" 269 cabalconf="${cabalconf} --disable-library-for-ghci"
220 fi 270 fi
271
272 # currently cabal does not respect CFLAGS and LDFLAGS on it's own (bug #333217)
273 # so translate LDFLAGS to ghc parameters (without filtering)
274 local flag
275 for flag in $LDFLAGS; do cabalconf="${cabalconf} --ghc-option=-optl$flag"; done
221 276
222 if version_is_at_least "1.4" "$(cabal-version)"; then 277 if version_is_at_least "1.4" "$(cabal-version)"; then
223 # disable executable stripping for the executables, as portage will 278 # disable executable stripping for the executables, as portage will
224 # strip by itself, and pre-stripping gives a QA warning. 279 # strip by itself, and pre-stripping gives a QA warning.
225 # cabal versions previous to 1.4 does not strip executables, and does 280 # cabal versions previous to 1.4 does not strip executables, and does
228 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494 283 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494
229 cabalconf="${cabalconf} --disable-executable-stripping" 284 cabalconf="${cabalconf} --disable-executable-stripping"
230 fi 285 fi
231 286
232 if version_is_at_least "1.2.0" "$(cabal-version)"; then 287 if version_is_at_least "1.2.0" "$(cabal-version)"; then
233 cabalconf="${cabalconf} --docdir=/usr/share/doc/${PF}" 288 cabalconf="${cabalconf} --docdir=${EPREFIX}/usr/share/doc/${PF}"
234 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes 289 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes
235 # it's better if the configure chatter is in the build logs: 290 # it's better if the configure chatter is in the build logs:
236 cabalconf="${cabalconf} --verbose" 291 cabalconf="${cabalconf} --verbose"
237 fi 292 fi
238 # Note: with Cabal-1.1.6.x we do not have enough control 293 # Note: with Cabal-1.1.6.x we do not have enough control
239 # to put the docs into the right place. They're currently going 294 # to put the docs into the right place. They're currently going
240 # into /usr/share/${P}/ghc-x.y/doc/ 295 # into /usr/share/${P}/ghc-x.y/doc/
241 # rather than /usr/share/doc/${PF}/ 296 # rather than /usr/share/doc/${PF}/
242 # Because we can only set the datadir, not the docdir. 297 # Because we can only set the datadir, not the docdir.
243 298
299 # We build shared version of our Cabal where ghc ships it's shared
300 # version of it. We will link ./setup as dynamic binary againt Cabal later.
301 [[ ${CATEGORY}/${PN} == "dev-haskell/cabal" ]] && \
302 $(ghc-supports-shared-libraries) && \
303 cabalconf="${cabalconf} --enable-shared"
304
244 ./setup configure \ 305 set -- configure \
245 --ghc --prefix=/usr \ 306 --ghc --prefix="${EPREFIX}"/usr \
246 --with-compiler="$(ghc-getghc)" \ 307 --with-compiler="$(ghc-getghc)" \
247 --with-hc-pkg="$(ghc-getghcpkg)" \ 308 --with-hc-pkg="$(ghc-getghcpkg)" \
248 --prefix=/usr \ 309 --prefix="${EPREFIX}"/usr \
249 --libdir=/usr/$(get_libdir) \ 310 --libdir="${EPREFIX}"/usr/$(get_libdir) \
250 --libsubdir=${P}/ghc-$(ghc-version) \ 311 --libsubdir=${P}/ghc-$(ghc-version) \
251 --datadir=/usr/share/ \ 312 --datadir="${EPREFIX}"/usr/share/ \
252 --datasubdir=${P}/ghc-$(ghc-version) \ 313 --datasubdir=${P}/ghc-$(ghc-version) \
253 ${cabalconf} \ 314 ${cabalconf} \
254 ${CABAL_CONFIGURE_FLAGS} \ 315 ${CABAL_CONFIGURE_FLAGS} \
316 ${CABAL_EXTRA_CONFIGURE_FLAGS} \
317 "$@"
318 echo ./setup "$@"
255 "$@" || die "setup configure failed" 319 ./setup "$@" || die "setup configure failed"
256} 320}
257 321
258cabal-build() { 322cabal-build() {
259 unset LANG LC_ALL LC_MESSAGES 323 unset LANG LC_ALL LC_MESSAGES
260 ./setup build \ 324 set -- build ${CABAL_EXTRA_BUILD_FLAGS} "$@"
325 echo ./setup "$@"
326 ./setup "$@" \
261 || die "setup build failed" 327 || die "setup build failed"
262} 328}
263 329
264cabal-copy() { 330cabal-copy() {
265 ./setup copy \ 331 has "${EAPI:-0}" 0 1 2 && ! use prefix && ED=${D}
266 --destdir="${D}" \ 332
333 set -- copy --destdir="${D}" "$@"
334 echo ./setup "$@"
267 || die "setup copy failed" 335 ./setup "$@" || die "setup copy failed"
268 336
269 # cabal is a bit eager about creating dirs, 337 # cabal is a bit eager about creating dirs,
270 # so remove them if they are empty 338 # so remove them if they are empty
271 rmdir "${D}/usr/bin" 2> /dev/null 339 rmdir "${ED}/usr/bin" 2> /dev/null
272 340
273 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has 341 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has
274 # no workaround. 342 # no workaround.
275 # set the +x permission on executables 343 # set the +x permission on executables
276 if [[ -d "${D}/usr/bin" ]] ; then 344 if [[ -d "${ED}/usr/bin" ]] ; then
277 chmod +x "${D}/usr/bin/"* 345 chmod +x "${ED}/usr/bin/"*
278 fi 346 fi
279 # TODO: do we still need this? 347 # TODO: do we still need this?
280} 348}
281 349
282cabal-pkg() { 350cabal-pkg() {
343 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install." 411 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
344 fi 412 fi
345} 413}
346 414
347haskell-cabal_src_configure() { 415haskell-cabal_src_configure() {
416 if ! cabal-is-dummy-lib; then
348 pushd "${S}" > /dev/null 417 pushd "${S}" > /dev/null
349 418
350 cabal-bootstrap 419 cabal-bootstrap
420
351 cabal-configure "$@" 421 cabal-configure "$@"
352 422
353 popd > /dev/null 423 popd > /dev/null
424 fi
354} 425}
355 426
356# exported function: nice alias 427# exported function: nice alias
357cabal_src_configure() { 428cabal_src_configure() {
358 haskell-cabal_src_configure "$@" 429 haskell-cabal_src_configure "$@"
359} 430}
360 431
361# exported function: cabal-style bootstrap configure and compile 432# exported function: cabal-style bootstrap configure and compile
362cabal_src_compile() { 433cabal_src_compile() {
434 # it's a common mistake when one bumps ebuild to EAPI="2" (and upper)
435 # and forgets to separate src_compile() to src_configure()/src_compile().
436 # Such error leads to default src_configure and we lose all passed flags.
437 if ! has "${EAPI:-0}" 0 1; then
438 local passed_flag
439 for passed_flag in "$@"; do
440 [[ ${passed_flag} == --flags=* ]] && \
441 eqawarn "Cabal option '${passed_flag}' has effect only in src_configure()"
442 done
443 fi
444
363 if ! cabal-is-dummy-lib; then 445 if ! cabal-is-dummy-lib; then
364 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@" 446 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
365 cabal-build 447 cabal-build
366 448
367 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 449 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
394 476
395 if cabal-is-dummy-lib; then 477 if cabal-is-dummy-lib; then
396 einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}" 478 einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}"
397 else 479 else
398 einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}" 480 einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}"
481 set -- test "$@"
482 echo ./setup "$@"
399 ./setup test || die "cabal test failed" 483 ./setup "$@" || die "cabal test failed"
400 fi 484 fi
401 485
402 popd > /dev/null 486 popd > /dev/null
403} 487}
404 488
405# exported function: cabal-style copy and register 489# exported function: cabal-style copy and register
406cabal_src_install() { 490cabal_src_install() {
491 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
492
407 if cabal-is-dummy-lib; then 493 if cabal-is-dummy-lib; then
408 # create a dummy local package conf file for the sake of ghc-updater 494 # create a dummy local package conf file for the sake of ghc-updater
409 dodir "$(ghc-confdir)" 495 local ghc_confdir_with_prefix="$(ghc-confdir)"
496 # remove EPREFIX
497 dodir ${ghc_confdir_with_prefix#${EPREFIX}}
410 echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)" 498 echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
411 else 499 else
412 cabal-copy 500 cabal-copy
413 cabal-pkg 501 cabal-pkg
414 502

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