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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 1.32 2012/04/19 17:33:19 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# 33# test-suite -- add support for cabal test-suites (introduced in Cabal-1.8)
34# Dependencies on other cabal packages have to be specified
35# correctly.
36#
37# Cabal libraries should usually be SLOTted with "${PV}".
38#
39# Many Cabal packages require S to be manually set.
40#
41# Conforming Cabal packages don't require any function definitions
42# in the ebuild.
43#
44# Special flags to Cabal Configure can now be set by using
45# CABAL_CONFIGURE_FLAGS
46 34
47inherit ghc-package multilib 35inherit ghc-package multilib
48 36
49# @ECLASS-VARIABLE: CABAL_EXTRA_CONFIGURE_FLAGS 37# @ECLASS-VARIABLE: CABAL_EXTRA_CONFIGURE_FLAGS
50# @DESCRIPTION: 38# @DESCRIPTION:
87 profile) CABAL_USE_PROFILE=yes;; 75 profile) CABAL_USE_PROFILE=yes;;
88 bootstrap) CABAL_BOOTSTRAP=yes;; 76 bootstrap) CABAL_BOOTSTRAP=yes;;
89 bin) CABAL_HAS_BINARIES=yes;; 77 bin) CABAL_HAS_BINARIES=yes;;
90 lib) CABAL_HAS_LIBRARIES=yes;; 78 lib) CABAL_HAS_LIBRARIES=yes;;
91 nocabaldep) CABAL_FROM_GHC=yes;; 79 nocabaldep) CABAL_FROM_GHC=yes;;
80 test-suite) CABAL_TEST_SUITE=yes;;
92 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";; 81 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";;
93 esac 82 esac
94done 83done
95 84
96if [[ -n "${CABAL_USE_HADDOCK}" ]]; then 85if [[ -n "${CABAL_USE_HADDOCK}" ]]; then
121 DEPEND="${DEPEND} dev-haskell/cpphs" 110 DEPEND="${DEPEND} dev-haskell/cpphs"
122fi 111fi
123 112
124if [[ -n "${CABAL_USE_PROFILE}" ]]; then 113if [[ -n "${CABAL_USE_PROFILE}" ]]; then
125 IUSE="${IUSE} profile" 114 IUSE="${IUSE} profile"
115fi
116
117if [[ -n "${CABAL_TEST_SUITE}" ]]; then
118 IUSE="${IUSE} test"
126fi 119fi
127 120
128# We always use a standalone version of Cabal, rather than the one that comes 121# We always use a standalone version of Cabal, rather than the one that comes
129# with GHC. But of course we can't depend on cabal when building cabal itself. 122# with GHC. But of course we can't depend on cabal when building cabal itself.
130if [[ -z ${CABAL_MIN_VERSION} ]]; then 123if [[ -z ${CABAL_MIN_VERSION} ]]; then
163cabal-bootstrap() { 156cabal-bootstrap() {
164 local setupmodule 157 local setupmodule
165 local cabalpackage 158 local cabalpackage
166 if [[ -f "${S}/Setup.lhs" ]]; then 159 if [[ -f "${S}/Setup.lhs" ]]; then
167 setupmodule="${S}/Setup.lhs" 160 setupmodule="${S}/Setup.lhs"
161 elif [[ -f "${S}/Setup.hs" ]]; then
162 setupmodule="${S}/Setup.hs"
168 else 163 else
169 if [[ -f "${S}/Setup.hs" ]]; then
170 setupmodule="${S}/Setup.hs"
171 else
172 die "No Setup.lhs or Setup.hs found" 164 die "No Setup.lhs or Setup.hs found"
173 fi 165 fi
166
167 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
168 eerror "The package dev-haskell/cabal is not correctly installed for"
169 eerror "the currently active version of ghc ($(ghc-version)). Please"
170 eerror "run haskell-updater or re-build dev-haskell/cabal."
171 die "cabal is not correctly installed"
174 fi 172 fi
175 173
176 # We build the setup program using the latest version of 174 # We build the setup program using the latest version of
177 # cabal that we have installed 175 # cabal that we have installed
178 if version_is_at_least "6.4" "$(ghc-version)"; then
179 cabalpackage=Cabal-$(cabal-version) 176 cabalpackage=Cabal-$(cabal-version)
180 else
181 # older ghc's don't support package versioning
182 cabalpackage=Cabal
183 fi
184 einfo "Using cabal-$(cabal-version)." 177 einfo "Using cabal-$(cabal-version)."
185 178
186 make_setup() { 179 make_setup() {
187 set -- -package "${cabalpackage}" --make "${setupmodule}" \ 180 set -- -package "${cabalpackage}" --make "${setupmodule}" \
188 ${GHC_BOOTSTRAP_FLAGS} \ 181 ${GHC_BOOTSTRAP_FLAGS} \
190 -o setup 183 -o setup
191 echo $(ghc-getghc) ${HCFLAGS} "$@" 184 echo $(ghc-getghc) ${HCFLAGS} "$@"
192 $(ghc-getghc) "$@" 185 $(ghc-getghc) "$@"
193 } 186 }
194 if $(ghc-supports-shared-libraries); then 187 if $(ghc-supports-shared-libraries); then
195 # some custom build systems might use external libraries, 188 # # some custom build systems might use external libraries,
196 # for which we don't have shared libs, so keep static fallback 189 # # for which we don't have shared libs, so keep static fallback
190 # Disabled '-dynamic' as ghc does not embed RPATH to used extra-libraries:
191 # bug #411789, http://hackage.haskell.org/trac/ghc/ticket/5743#comment:3
192 # make_setup -dynamic "$@" ||
197 make_setup -dynamic "$@" || make_setup "$@" || die "compiling ${setupmodule} failed" 193 make_setup "$@" || die "compiling ${setupmodule} failed"
198 else 194 else
199 make_setup "$@" || die "compiling ${setupmodule} failed" 195 make_setup "$@" || die "compiling ${setupmodule} failed"
200 fi 196 fi
201} 197}
202 198
210 fi 206 fi
211 207
212 rm -f "${setupdir}"/Setup.{lhs,hs} 208 rm -f "${setupdir}"/Setup.{lhs,hs}
213 209
214 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \ 210 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \
215 > $setupdir/Setup.hs 211 > $setupdir/Setup.hs || die "failed to create default Setup.hs"
216} 212}
217 213
218cabal-hscolour() { 214cabal-hscolour() {
219 set -- hscolour "$@" 215 set -- hscolour "$@"
220 echo ./setup "$@" 216 echo ./setup "$@"
255 cabalconf="${cabalconf} --with-c2hs=${EPREFIX}/usr/bin/c2hs" 251 cabalconf="${cabalconf} --with-c2hs=${EPREFIX}/usr/bin/c2hs"
256 fi 252 fi
257 if [[ -n "${CABAL_USE_CPPHS}" ]]; then 253 if [[ -n "${CABAL_USE_CPPHS}" ]]; then
258 cabalconf="${cabalconf} --with-cpphs=${EPREFIX}/usr/bin/cpphs" 254 cabalconf="${cabalconf} --with-cpphs=${EPREFIX}/usr/bin/cpphs"
259 fi 255 fi
256 if [[ -n "${CABAL_TEST_SUITE}" ]]; then
257 cabalconf="${cabalconf} $(use_enable test tests)"
258 fi
260 259
261 local option 260 local option
262 for option in ${HCFLAGS} 261 for option in ${HCFLAGS}
263 do 262 do
264 cabalconf+=" --ghc-option=$option" 263 cabalconf+=" --ghc-option=$option"
272 # currently cabal does not respect CFLAGS and LDFLAGS on it's own (bug #333217) 271 # currently cabal does not respect CFLAGS and LDFLAGS on it's own (bug #333217)
273 # so translate LDFLAGS to ghc parameters (without filtering) 272 # so translate LDFLAGS to ghc parameters (without filtering)
274 local flag 273 local flag
275 for flag in $LDFLAGS; do cabalconf="${cabalconf} --ghc-option=-optl$flag"; done 274 for flag in $LDFLAGS; do cabalconf="${cabalconf} --ghc-option=-optl$flag"; done
276 275
277 if version_is_at_least "1.4" "$(cabal-version)"; then
278 # disable executable stripping for the executables, as portage will 276 # disable executable stripping for the executables, as portage will
279 # strip by itself, and pre-stripping gives a QA warning. 277 # strip by itself, and pre-stripping gives a QA warning.
280 # cabal versions previous to 1.4 does not strip executables, and does 278 # cabal versions previous to 1.4 does not strip executables, and does
281 # not accept the flag. 279 # not accept the flag.
282 # this fixes numerous bugs, amongst them; 280 # this fixes numerous bugs, amongst them;
283 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494 281 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494
284 cabalconf="${cabalconf} --disable-executable-stripping" 282 cabalconf="${cabalconf} --disable-executable-stripping"
285 fi
286 283
287 if version_is_at_least "1.2.0" "$(cabal-version)"; then
288 cabalconf="${cabalconf} --docdir=${EPREFIX}/usr/share/doc/${PF}" 284 cabalconf="${cabalconf} --docdir=${EPREFIX}/usr/share/doc/${PF}"
289 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes 285 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes
290 # it's better if the configure chatter is in the build logs: 286 # it's better if the configure chatter is in the build logs:
291 cabalconf="${cabalconf} --verbose" 287 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.
298 288
299 # We build shared version of our Cabal where ghc ships it's shared 289 # 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. 290 # version of it. We will link ./setup as dynamic binary againt Cabal later.
301 [[ ${CATEGORY}/${PN} == "dev-haskell/cabal" ]] && \ 291 [[ ${CATEGORY}/${PN} == "dev-haskell/cabal" ]] && \
302 $(ghc-supports-shared-libraries) && \ 292 $(ghc-supports-shared-libraries) && \
335 ./setup "$@" || die "setup copy failed" 325 ./setup "$@" || die "setup copy failed"
336 326
337 # cabal is a bit eager about creating dirs, 327 # cabal is a bit eager about creating dirs,
338 # so remove them if they are empty 328 # so remove them if they are empty
339 rmdir "${ED}/usr/bin" 2> /dev/null 329 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} 330}
349 331
350cabal-pkg() { 332cabal-pkg() {
351 # This does not actually register since we're using true instead 333 # 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 334 # of ghc-pkg. So it just leaves the .conf file and we can
353 # register that ourselves (if it exists). 335 # register that ourselves (if it exists).
354 local result
355 local err
356 336
357 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then 337 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: 338 # Newer cabal can generate a package conf for us:
360 ./setup register --gen-pkg-config="${T}/${P}.conf" 339 ./setup register --gen-pkg-config="${T}/${P}.conf"
361 ghc-setup-pkg "${T}/${P}.conf" 340 ghc-setup-pkg "${T}/${P}.conf"
362 ghc-install-pkg 341 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 342 fi
377} 343}
378 344
379# Some cabal libs are bundled along with some versions of ghc 345# Some cabal libs are bundled along with some versions of ghc
380# eg filepath-1.0 comes with ghc-6.6.1 346# eg filepath-1.0 comes with ghc-6.6.1
392} 358}
393 359
394# exported function: check if cabal is correctly installed for 360# exported function: check if cabal is correctly installed for
395# the currently active ghc (we cannot guarantee this with portage) 361# the currently active ghc (we cannot guarantee this with portage)
396haskell-cabal_pkg_setup() { 362haskell-cabal_pkg_setup() {
397 ghc-package_pkg_setup
398 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
399 eerror "The package dev-haskell/cabal is not correctly installed for"
400 eerror "the currently active version of ghc ($(ghc-version)). Please"
401 eerror "run ghc-updater or haskell-updater or re-build dev-haskell/cabal."
402 die "cabal is not correctly installed"
403 fi
404 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then 363 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then
405 eerror "QA: Neither bin nor lib are in CABAL_FEATURES." 364 eqawarn "QA Notice: Neither bin nor lib are in CABAL_FEATURES."
406 fi 365 fi
407 if [[ -n "${CABAL_UNKNOWN}" ]]; then 366 if [[ -n "${CABAL_UNKNOWN}" ]]; then
408 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}" 367 eqawarn "QA Notice: Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}"
409 fi 368 fi
410 if cabal-is-dummy-lib; then 369 if cabal-is-dummy-lib; then
411 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install." 370 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
412 fi 371 fi
413} 372}
414 373
415haskell-cabal_src_configure() { 374haskell-cabal_src_configure() {
416 if ! cabal-is-dummy-lib; then 375 cabal-is-dummy-lib && return
376
417 pushd "${S}" > /dev/null 377 pushd "${S}" > /dev/null
418 378
419 cabal-bootstrap 379 cabal-bootstrap
420 380
421 cabal-configure "$@" 381 cabal-configure "$@"
422 382
423 popd > /dev/null 383 popd > /dev/null
424 fi
425} 384}
426 385
427# exported function: nice alias 386# exported function: nice alias
428cabal_src_configure() { 387cabal_src_configure() {
429 haskell-cabal_src_configure "$@" 388 haskell-cabal_src_configure "$@"
436 # Such error leads to default src_configure and we lose all passed flags. 395 # Such error leads to default src_configure and we lose all passed flags.
437 if ! has "${EAPI:-0}" 0 1; then 396 if ! has "${EAPI:-0}" 0 1; then
438 local passed_flag 397 local passed_flag
439 for passed_flag in "$@"; do 398 for passed_flag in "$@"; do
440 [[ ${passed_flag} == --flags=* ]] && \ 399 [[ ${passed_flag} == --flags=* ]] && \
441 eqawarn "Cabal option '${passed_flag}' has effect only in src_configure()" 400 eqawarn "QA Notice: Cabal option '${passed_flag}' has effect only in src_configure()"
442 done 401 done
443 fi 402 fi
444 403
445 if ! cabal-is-dummy-lib; then 404 cabal-is-dummy-lib && return
405
446 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@" 406 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
447 cabal-build 407 cabal-build
448 408
449 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 409 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
450 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then 410 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
451 # hscolour and haddock 411 # hscolour and haddock
452 cabal-hscolour-haddock 412 cabal-hscolour-haddock
453 else
454 # just haddock
455 cabal-haddock
456 fi
457 else 413 else
414 # just haddock
415 cabal-haddock
416 fi
417 else
458 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then 418 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
459 # just hscolour 419 # just hscolour
460 cabal-hscolour 420 cabal-hscolour
461 fi
462 fi 421 fi
463 fi 422 fi
464} 423}
465 424
466haskell-cabal_src_compile() { 425haskell-cabal_src_compile() {
488 447
489# exported function: cabal-style copy and register 448# exported function: cabal-style copy and register
490cabal_src_install() { 449cabal_src_install() {
491 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX= 450 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
492 451
493 if cabal-is-dummy-lib; then 452 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)/$(ghc-localpkgconf)"
499 else
500 cabal-copy 453 cabal-copy
501 cabal-pkg 454 cabal-pkg
502
503 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
504 if ! version_is_at_least "1.1.6" "$(cabal-version)"; then
505 dohtml -r dist/doc/html/*
506 fi
507 fi 455 fi
508 fi 456
457 # create a dummy local package conf file for haskell-updater
458 # if it does not exist (dummy libraries and binaries w/o libraries)
459 local ghc_confdir_with_prefix="$(ghc-confdir)"
460 # remove EPREFIX
461 dodir ${ghc_confdir_with_prefix#${EPREFIX}}
462 local conf_file="${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
463 [[ -e $conf_file ]] || echo '[]' > "$conf_file" || die
509} 464}
510 465
511haskell-cabal_src_install() { 466haskell-cabal_src_install() {
512 pushd "${S}" > /dev/null 467 pushd "${S}" > /dev/null
513 468

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