/[gentoo-x86]/eclass/haskell-cabal.eclass
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1# Copyright 1999-2006 Gentoo Foundation 1# Copyright 1999-2006 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 1.14 2007/12/13 04:44:39 dcoutts Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/haskell-cabal.eclass,v 1.20 2010/03/30 22:18:37 kolmodin Exp $
4# 4#
5# Original authors: Andres Loeh <kosmikus@gentoo.org> 5# Original authors: Andres Loeh <kosmikus@gentoo.org>
6# Duncan Coutts <dcoutts@gentoo.org> 6# Duncan Coutts <dcoutts@gentoo.org>
7# Maintained by: Haskell herd <haskell@gentoo.org> 7# Maintained by: Haskell herd <haskell@gentoo.org>
8# 8#
24# cpphs -- C preprocessor clone written in Haskell 24# cpphs -- C preprocessor clone written in Haskell
25# profile -- if package supports to build profiling-enabled libraries 25# profile -- if package supports to build profiling-enabled libraries
26# bootstrap -- only used for the cabal package itself 26# bootstrap -- only used for the cabal package itself
27# bin -- the package installs binaries 27# bin -- the package installs binaries
28# lib -- the package installs libraries 28# lib -- the package installs libraries
29# nocabaldep -- don't add dependency on cabal.
30# only used for packages that _must_ not pull the dependency
31# on cabal, but still use this eclass (e.g. haskell-updater).
29# 32#
30# Dependencies on other cabal packages have to be specified 33# Dependencies on other cabal packages have to be specified
31# correctly. 34# correctly.
32# 35#
33# Cabal libraries should usually be SLOTted with "${PV}". 36# Cabal libraries should usually be SLOTted with "${PV}".
40# Special flags to Cabal Configure can now be set by using 43# Special flags to Cabal Configure can now be set by using
41# CABAL_CONFIGURE_FLAGS 44# CABAL_CONFIGURE_FLAGS
42 45
43inherit ghc-package multilib 46inherit ghc-package multilib
44 47
48HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install"
49
50case "${EAPI:-0}" in
51 2|3|4) HASKELL_CABAL_EXPF+=" src_configure" ;;
52 *) ;;
53esac
54
55EXPORT_FUNCTIONS ${HASKELL_CABAL_EXPF}
45 56
46for feature in ${CABAL_FEATURES}; do 57for feature in ${CABAL_FEATURES}; do
47 case ${feature} in 58 case ${feature} in
48 haddock) CABAL_USE_HADDOCK=yes;; 59 haddock) CABAL_USE_HADDOCK=yes;;
49 alex) CABAL_USE_ALEX=yes;; 60 alex) CABAL_USE_ALEX=yes;;
50 happy) CABAL_USE_HAPPY=yes;; 61 happy) CABAL_USE_HAPPY=yes;;
51 c2hs) CABAL_USE_C2HS=yes;; 62 c2hs) CABAL_USE_C2HS=yes;;
52 cpphs) CABAL_USE_CPPHS=yes;; 63 cpphs) CABAL_USE_CPPHS=yes;;
53 profile) CABAL_USE_PROFILE=yes;; 64 profile) CABAL_USE_PROFILE=yes;;
54 bootstrap) CABAL_BOOTSTRAP=yes;; 65 bootstrap) CABAL_BOOTSTRAP=yes;;
55 bin) CABAL_HAS_BINARIES=yes;; 66 bin) CABAL_HAS_BINARIES=yes;;
56 lib) CABAL_HAS_LIBRARIES=yes;; 67 lib) CABAL_HAS_LIBRARIES=yes;;
68 nocabaldep) CABAL_FROM_GHC=yes;;
57 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";; 69 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";;
58 esac 70 esac
59done 71done
60 72
61if [[ -n "${CABAL_USE_HADDOCK}" ]]; then 73if [[ -n "${CABAL_USE_HADDOCK}" ]]; then
90# We always use a standalone version of Cabal, rather than the one that comes 102# We always use a standalone version of Cabal, rather than the one that comes
91# with GHC. But of course we can't depend on cabal when building cabal itself. 103# with GHC. But of course we can't depend on cabal when building cabal itself.
92if [[ -z ${CABAL_MIN_VERSION} ]]; then 104if [[ -z ${CABAL_MIN_VERSION} ]]; then
93 CABAL_MIN_VERSION=1.1.4 105 CABAL_MIN_VERSION=1.1.4
94fi 106fi
95if [[ -z "${CABAL_BOOTSTRAP}" ]]; then 107if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]]; then
96 DEPEND="${DEPEND} >=dev-haskell/cabal-${CABAL_MIN_VERSION}" 108 DEPEND="${DEPEND} >=dev-haskell/cabal-${CABAL_MIN_VERSION}"
97fi 109fi
98 110
99# Libraries require GHC to be installed. 111# Libraries require GHC to be installed.
100if [[ -n "${CABAL_HAS_LIBRARIES}" ]]; then 112if [[ -n "${CABAL_HAS_LIBRARIES}" ]]; then
107 if [[ -z "${_CABAL_VERSION_CACHE}" ]]; then 119 if [[ -z "${_CABAL_VERSION_CACHE}" ]]; then
108 if [[ "${CABAL_BOOTSTRAP}" ]]; then 120 if [[ "${CABAL_BOOTSTRAP}" ]]; then
109 # We're bootstrapping cabal, so the cabal version is the version 121 # We're bootstrapping cabal, so the cabal version is the version
110 # of this package itself. 122 # of this package itself.
111 _CABAL_VERSION_CACHE="${PV}" 123 _CABAL_VERSION_CACHE="${PV}"
124 elif [[ "${CABAL_FROM_GHC}" ]]; then
125 # We can't assume there's a version of Cabal installed by ebuild as
126 # this might be a first time install of GHC (for packages that
127 # use the shipped Cabal like haskell-updater).
128
129 # The user is likely to only have one version of Cabal, provided
130 # by GHC. Note that dev-haskell/cabal can be a dummy package, only
131 # using the version provided by GHC. If the user has another version
132 # of Cabal too (more recent than the one GHC provides through
133 # dev-haskell/cabal, or possibly older if he used an old
134 # Cabal package) the most recent is used (expected to be the last
135 # one in the ghc-pkg output).
136 _CABAL_VERSION_CACHE="$(ghc-pkg field Cabal version | tail -n 1)"
137
138 # Strip out the "version: " prefix
139 _CABAL_VERSION_CACHE="${_CABAL_VERSION_CACHE#"version: "}"
112 else 140 else
113 # We ask portage, not ghc, so that we only pick up 141 # We ask portage, not ghc, so that we only pick up
114 # portage-installed cabal versions. 142 # portage-installed cabal versions.
115 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)" 143 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)"
116 fi 144 fi
171 cabalconf="${cabalconf} --enable-library-profiling" 199 cabalconf="${cabalconf} --enable-library-profiling"
172 fi 200 fi
173 # Building GHCi libs on ppc64 causes "TOC overflow". 201 # Building GHCi libs on ppc64 causes "TOC overflow".
174 if use ppc64; then 202 if use ppc64; then
175 cabalconf="${cabalconf} --disable-library-for-ghci" 203 cabalconf="${cabalconf} --disable-library-for-ghci"
204 fi
205
206 if version_is_at_least "1.4" "$(cabal-version)"; then
207 # disable executable stripping for the executables, as portage will
208 # strip by itself, and pre-stripping gives a QA warning.
209 # cabal versions previous to 1.4 does not strip executables, and does
210 # not accept the flag.
211 # this fixes numerous bugs, amongst them;
212 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494
213 cabalconf="${cabalconf} --disable-executable-stripping"
176 fi 214 fi
177 215
178 if version_is_at_least "1.2.0" "$(cabal-version)"; then 216 if version_is_at_least "1.2.0" "$(cabal-version)"; then
179 cabalconf="${cabalconf} --docdir=/usr/share/doc/${PF}" 217 cabalconf="${cabalconf} --docdir=/usr/share/doc/${PF}"
180 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes 218 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes
271 309
272# exported function: check if cabal is correctly installed for 310# exported function: check if cabal is correctly installed for
273# the currently active ghc (we cannot guarantee this with portage) 311# the currently active ghc (we cannot guarantee this with portage)
274haskell-cabal_pkg_setup() { 312haskell-cabal_pkg_setup() {
275 ghc-package_pkg_setup 313 ghc-package_pkg_setup
276 if [[ -z "${CABAL_BOOTSTRAP}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then 314 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
277 eerror "The package dev-haskell/cabal is not correctly installed for" 315 eerror "The package dev-haskell/cabal is not correctly installed for"
278 eerror "the currently active version of ghc ($(ghc-version)). Please" 316 eerror "the currently active version of ghc ($(ghc-version)). Please"
279 eerror "run ghc-updater or re-emerge dev-haskell/cabal." 317 eerror "run ghc-updater or haskell-updater or re-build dev-haskell/cabal."
280 die "cabal is not correctly installed" 318 die "cabal is not correctly installed"
281 fi 319 fi
282 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then 320 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then
283 eerror "QA: Neither bin nor lib are in CABAL_FEATURES." 321 eerror "QA: Neither bin nor lib are in CABAL_FEATURES."
284 fi 322 fi
285 if [[ -n "${CABAL_UNKNOWN}" ]]; then 323 if [[ -n "${CABAL_UNKNOWN}" ]]; then
286 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNONW}" 324 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}"
287 fi 325 fi
288 if cabal-is-dummy-lib; then 326 if cabal-is-dummy-lib; then
289 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install." 327 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
290 fi 328 fi
329}
330
331haskell-cabal_src_configure() {
332 pushd "${S}" > /dev/null
333
334 cabal-bootstrap
335 cabal-configure "$@"
336
337 popd > /dev/null
338}
339
340# exported function: nice alias
341cabal_src_configure() {
342 haskell-cabal_src_configure "$@"
291} 343}
292 344
293# exported function: cabal-style bootstrap configure and compile 345# exported function: cabal-style bootstrap configure and compile
294cabal_src_compile() { 346cabal_src_compile() {
295 if ! cabal-is-dummy-lib; then 347 if ! cabal-is-dummy-lib; then
296 cabal-bootstrap 348 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
297 cabal-configure
298 cabal-build 349 cabal-build
299 350
300 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 351 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
301 cabal-haddock 352 cabal-haddock
302 fi 353 fi
303 fi 354 fi
304} 355}
356
305haskell-cabal_src_compile() { 357haskell-cabal_src_compile() {
358 pushd "${S}" > /dev/null
359
306 cabal_src_compile 360 cabal_src_compile "$@"
361
362 popd > /dev/null
363}
364
365haskell-cabal_src_test() {
366 pushd "${S}" > /dev/null
367
368 if cabal-is-dummy-lib; then
369 einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}"
370 else
371 einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}"
372 ./setup test || die "cabal test failed"
373 fi
374
375 popd > /dev/null
307} 376}
308 377
309# exported function: cabal-style copy and register 378# exported function: cabal-style copy and register
310cabal_src_install() { 379cabal_src_install() {
311 if cabal-is-dummy-lib; then 380 if cabal-is-dummy-lib; then
321 dohtml -r dist/doc/html/* 390 dohtml -r dist/doc/html/*
322 fi 391 fi
323 fi 392 fi
324 fi 393 fi
325} 394}
395
326haskell-cabal_src_install() { 396haskell-cabal_src_install() {
397 pushd "${S}" > /dev/null
398
327 cabal_src_install 399 cabal_src_install
328}
329 400
330EXPORT_FUNCTIONS pkg_setup src_compile src_install 401 popd > /dev/null
402}
403
404# ebuild.sh:use_enable() taken as base
405#
406# Usage examples:
407#
408# CABAL_CONFIGURE_FLAGS=$(cabal_flag gui)
409# leads to "--flags=gui" or "--flags=-gui" (useflag 'gui')
410#
411# CABAL_CONFIGURE_FLAGS=$(cabal_flag gtk gui)
412# also leads to "--flags=gui" or " --flags=-gui" (useflag 'gtk')
413#
414cabal_flag() {
415 if [[ -z "$1" ]]; then
416 echo "!!! cabal_flag() called without a parameter." >&2
417 echo "!!! cabal_flag() <USEFLAG> [<cabal_flagname>]" >&2
418 return 1
419 fi
420
421 local UWORD=${2:-$1}
422
423 if use "$1"; then
424 echo "--flags=${UWORD}"
425 else
426 echo "--flags=-${UWORD}"
427 fi
428
429 return 0
430}

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