/[gentoo-x86]/eclass/haskell-cabal.eclass
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1# Copyright 1999-2012 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 1.28 2012/03/09 22:01:11 slyfox Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/haskell-cabal.eclass,v 1.29 2012/04/09 18:08:45 slyfox Exp $
4 4
5# @ECLASS: haskell-cabal.eclass 5# @ECLASS: haskell-cabal.eclass
6# @MAINTAINER: 6# @MAINTAINER:
7# Haskell herd <haskell@gentoo.org> 7# Haskell herd <haskell@gentoo.org>
8# @AUTHOR: 8# @AUTHOR:
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#
34# Dependencies on other cabal packages have to be specified
35# correctly.
36#
37# Cabal libraries should usually be SLOTted with "${PV}".
38#
39# Many Cabal packages require S to be manually set.
40#
41# Conforming Cabal packages don't require any function definitions
42# in the ebuild.
43#
44# Special flags to Cabal Configure can now be set by using
45# CABAL_CONFIGURE_FLAGS
46 33
47inherit ghc-package multilib 34inherit ghc-package multilib
48 35
49# @ECLASS-VARIABLE: CABAL_EXTRA_CONFIGURE_FLAGS 36# @ECLASS-VARIABLE: CABAL_EXTRA_CONFIGURE_FLAGS
50# @DESCRIPTION: 37# @DESCRIPTION:
163cabal-bootstrap() { 150cabal-bootstrap() {
164 local setupmodule 151 local setupmodule
165 local cabalpackage 152 local cabalpackage
166 if [[ -f "${S}/Setup.lhs" ]]; then 153 if [[ -f "${S}/Setup.lhs" ]]; then
167 setupmodule="${S}/Setup.lhs" 154 setupmodule="${S}/Setup.lhs"
168 else
169 if [[ -f "${S}/Setup.hs" ]]; then 155 elif [[ -f "${S}/Setup.hs" ]]; then
170 setupmodule="${S}/Setup.hs" 156 setupmodule="${S}/Setup.hs"
171 else 157 else
172 die "No Setup.lhs or Setup.hs found" 158 die "No Setup.lhs or Setup.hs found"
173 fi
174 fi 159 fi
175 160
176 # We build the setup program using the latest version of 161 # We build the setup program using the latest version of
177 # cabal that we have installed 162 # cabal that we have installed
178 if version_is_at_least "6.4" "$(ghc-version)"; then
179 cabalpackage=Cabal-$(cabal-version) 163 cabalpackage=Cabal-$(cabal-version)
180 else
181 # older ghc's don't support package versioning
182 cabalpackage=Cabal
183 fi
184 einfo "Using cabal-$(cabal-version)." 164 einfo "Using cabal-$(cabal-version)."
185 165
186 make_setup() { 166 make_setup() {
187 set -- -package "${cabalpackage}" --make "${setupmodule}" \ 167 set -- -package "${cabalpackage}" --make "${setupmodule}" \
188 ${GHC_BOOTSTRAP_FLAGS} \ 168 ${GHC_BOOTSTRAP_FLAGS} \
210 fi 190 fi
211 191
212 rm -f "${setupdir}"/Setup.{lhs,hs} 192 rm -f "${setupdir}"/Setup.{lhs,hs}
213 193
214 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \ 194 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \
215 > $setupdir/Setup.hs 195 > $setupdir/Setup.hs || die "failed to create default Setup.hs"
216} 196}
217 197
218cabal-hscolour() { 198cabal-hscolour() {
219 set -- hscolour "$@" 199 set -- hscolour "$@"
220 echo ./setup "$@" 200 echo ./setup "$@"
272 # currently cabal does not respect CFLAGS and LDFLAGS on it's own (bug #333217) 252 # currently cabal does not respect CFLAGS and LDFLAGS on it's own (bug #333217)
273 # so translate LDFLAGS to ghc parameters (without filtering) 253 # so translate LDFLAGS to ghc parameters (without filtering)
274 local flag 254 local flag
275 for flag in $LDFLAGS; do cabalconf="${cabalconf} --ghc-option=-optl$flag"; done 255 for flag in $LDFLAGS; do cabalconf="${cabalconf} --ghc-option=-optl$flag"; done
276 256
277 if version_is_at_least "1.4" "$(cabal-version)"; then
278 # disable executable stripping for the executables, as portage will 257 # disable executable stripping for the executables, as portage will
279 # strip by itself, and pre-stripping gives a QA warning. 258 # strip by itself, and pre-stripping gives a QA warning.
280 # cabal versions previous to 1.4 does not strip executables, and does 259 # cabal versions previous to 1.4 does not strip executables, and does
281 # not accept the flag. 260 # not accept the flag.
282 # this fixes numerous bugs, amongst them; 261 # this fixes numerous bugs, amongst them;
283 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494 262 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494
284 cabalconf="${cabalconf} --disable-executable-stripping" 263 cabalconf="${cabalconf} --disable-executable-stripping"
285 fi
286 264
287 if version_is_at_least "1.2.0" "$(cabal-version)"; then
288 cabalconf="${cabalconf} --docdir=${EPREFIX}/usr/share/doc/${PF}" 265 cabalconf="${cabalconf} --docdir=${EPREFIX}/usr/share/doc/${PF}"
289 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes 266 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes
290 # it's better if the configure chatter is in the build logs: 267 # it's better if the configure chatter is in the build logs:
291 cabalconf="${cabalconf} --verbose" 268 cabalconf="${cabalconf} --verbose"
292 fi
293 # Note: with Cabal-1.1.6.x we do not have enough control
294 # to put the docs into the right place. They're currently going
295 # into /usr/share/${P}/ghc-x.y/doc/
296 # rather than /usr/share/doc/${PF}/
297 # Because we can only set the datadir, not the docdir.
298 269
299 # We build shared version of our Cabal where ghc ships it's shared 270 # 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. 271 # version of it. We will link ./setup as dynamic binary againt Cabal later.
301 [[ ${CATEGORY}/${PN} == "dev-haskell/cabal" ]] && \ 272 [[ ${CATEGORY}/${PN} == "dev-haskell/cabal" ]] && \
302 $(ghc-supports-shared-libraries) && \ 273 $(ghc-supports-shared-libraries) && \
335 ./setup "$@" || die "setup copy failed" 306 ./setup "$@" || die "setup copy failed"
336 307
337 # cabal is a bit eager about creating dirs, 308 # cabal is a bit eager about creating dirs,
338 # so remove them if they are empty 309 # so remove them if they are empty
339 rmdir "${ED}/usr/bin" 2> /dev/null 310 rmdir "${ED}/usr/bin" 2> /dev/null
340
341 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has
342 # no workaround.
343 # set the +x permission on executables
344 if [[ -d "${ED}/usr/bin" ]] ; then
345 chmod +x "${ED}/usr/bin/"*
346 fi
347 # TODO: do we still need this?
348} 311}
349 312
350cabal-pkg() { 313cabal-pkg() {
351 # This does not actually register since we're using true instead 314 # This does not actually register since we're using true instead
352 # of ghc-pkg. So it just leaves the .installed-pkg-config and we can 315 # of ghc-pkg. So it just leaves the .conf file and we can
353 # register that ourselves (if it exists). 316 # register that ourselves (if it exists).
354 local result
355 local err
356 317
357 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then 318 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then
358 if version_is_at_least "1.2.0" "$(cabal-version)"; then
359 # Newer cabal can generate a package conf for us: 319 # Newer cabal can generate a package conf for us:
360 ./setup register --gen-pkg-config="${T}/${P}.conf" 320 ./setup register --gen-pkg-config="${T}/${P}.conf"
361 ghc-setup-pkg "${T}/${P}.conf" 321 ghc-setup-pkg "${T}/${P}.conf"
362 ghc-install-pkg 322 ghc-install-pkg
363 else
364 # With older cabal we have to hack it by replacing its ghc-pkg
365 # with true and then just picking up the .installed-pkg-config
366 # file and registering that ourselves (if it exists).
367 sed -i "s|$(ghc-getghcpkg)|$(type -P true)|" .setup-config
368 ./setup register || die "setup register failed"
369 if [[ -f .installed-pkg-config ]]; then
370 ghc-setup-pkg .installed-pkg-config
371 ghc-install-pkg
372 else
373 die "setup register has not generated a package configuration file"
374 fi
375 fi
376 fi 323 fi
377} 324}
378 325
379# Some cabal libs are bundled along with some versions of ghc 326# Some cabal libs are bundled along with some versions of ghc
380# eg filepath-1.0 comes with ghc-6.6.1 327# eg filepath-1.0 comes with ghc-6.6.1
392} 339}
393 340
394# exported function: check if cabal is correctly installed for 341# exported function: check if cabal is correctly installed for
395# the currently active ghc (we cannot guarantee this with portage) 342# the currently active ghc (we cannot guarantee this with portage)
396haskell-cabal_pkg_setup() { 343haskell-cabal_pkg_setup() {
397 ghc-package_pkg_setup
398 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then 344 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
399 eerror "The package dev-haskell/cabal is not correctly installed for" 345 eerror "The package dev-haskell/cabal is not correctly installed for"
400 eerror "the currently active version of ghc ($(ghc-version)). Please" 346 eerror "the currently active version of ghc ($(ghc-version)). Please"
401 eerror "run ghc-updater or haskell-updater or re-build dev-haskell/cabal." 347 eerror "run haskell-updater or re-build dev-haskell/cabal."
402 die "cabal is not correctly installed" 348 die "cabal is not correctly installed"
403 fi 349 fi
404 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then 350 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then
405 eerror "QA: Neither bin nor lib are in CABAL_FEATURES." 351 eqawarn "QA Notice: Neither bin nor lib are in CABAL_FEATURES."
406 fi 352 fi
407 if [[ -n "${CABAL_UNKNOWN}" ]]; then 353 if [[ -n "${CABAL_UNKNOWN}" ]]; then
408 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}" 354 eqawarn "QA Notice: Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}"
409 fi 355 fi
410 if cabal-is-dummy-lib; then 356 if cabal-is-dummy-lib; then
411 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install." 357 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
412 fi 358 fi
413} 359}
414 360
415haskell-cabal_src_configure() { 361haskell-cabal_src_configure() {
416 if ! cabal-is-dummy-lib; then 362 cabal-is-dummy-lib && return
363
417 pushd "${S}" > /dev/null 364 pushd "${S}" > /dev/null
418 365
419 cabal-bootstrap 366 cabal-bootstrap
420 367
421 cabal-configure "$@" 368 cabal-configure "$@"
422 369
423 popd > /dev/null 370 popd > /dev/null
424 fi
425} 371}
426 372
427# exported function: nice alias 373# exported function: nice alias
428cabal_src_configure() { 374cabal_src_configure() {
429 haskell-cabal_src_configure "$@" 375 haskell-cabal_src_configure "$@"
436 # Such error leads to default src_configure and we lose all passed flags. 382 # Such error leads to default src_configure and we lose all passed flags.
437 if ! has "${EAPI:-0}" 0 1; then 383 if ! has "${EAPI:-0}" 0 1; then
438 local passed_flag 384 local passed_flag
439 for passed_flag in "$@"; do 385 for passed_flag in "$@"; do
440 [[ ${passed_flag} == --flags=* ]] && \ 386 [[ ${passed_flag} == --flags=* ]] && \
441 eqawarn "Cabal option '${passed_flag}' has effect only in src_configure()" 387 eqawarn "QA Notice: Cabal option '${passed_flag}' has effect only in src_configure()"
442 done 388 done
443 fi 389 fi
444 390
445 if ! cabal-is-dummy-lib; then 391 cabal-is-dummy-lib && return
392
446 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@" 393 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
447 cabal-build 394 cabal-build
448 395
449 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 396 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
450 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then 397 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
451 # hscolour and haddock 398 # hscolour and haddock
452 cabal-hscolour-haddock 399 cabal-hscolour-haddock
453 else
454 # just haddock
455 cabal-haddock
456 fi
457 else 400 else
401 # just haddock
402 cabal-haddock
403 fi
404 else
458 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then 405 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
459 # just hscolour 406 # just hscolour
460 cabal-hscolour 407 cabal-hscolour
461 fi
462 fi 408 fi
463 fi 409 fi
464} 410}
465 411
466haskell-cabal_src_compile() { 412haskell-cabal_src_compile() {
488 434
489# exported function: cabal-style copy and register 435# exported function: cabal-style copy and register
490cabal_src_install() { 436cabal_src_install() {
491 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX= 437 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
492 438
493 if cabal-is-dummy-lib; then 439 if ! cabal-is-dummy-lib; then
494 # create a dummy local package conf file for the sake of ghc-updater
495 local ghc_confdir_with_prefix="$(ghc-confdir)"
496 # remove EPREFIX
497 dodir ${ghc_confdir_with_prefix#${EPREFIX}}
498 echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
499 else
500 cabal-copy 440 cabal-copy
501 cabal-pkg 441 cabal-pkg
502
503 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
504 if ! version_is_at_least "1.1.6" "$(cabal-version)"; then
505 dohtml -r dist/doc/html/*
506 fi
507 fi 442 fi
508 fi 443
444 # create a dummy local package conf file for haskell-updater
445 # if it does not exist (dummy libraries and binaries w/o libraries)
446 local ghc_confdir_with_prefix="$(ghc-confdir)"
447 # remove EPREFIX
448 dodir ${ghc_confdir_with_prefix#${EPREFIX}}
449 local conf_file="${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
450 [[ -e $conf_file ]] || echo '[]' > "$conf_file" || die
509} 451}
510 452
511haskell-cabal_src_install() { 453haskell-cabal_src_install() {
512 pushd "${S}" > /dev/null 454 pushd "${S}" > /dev/null
513 455

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