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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 1.18 2010/01/26 20:50:40 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.
18# 18#
19# Currently supported features: 19# Currently supported features:
20# haddock -- for documentation generation 20# haddock -- for documentation generation
21# hscolour -- generation of colourised sources
21# alex -- lexer/scanner generator 22# alex -- lexer/scanner generator
22# happy -- parser generator 23# happy -- parser generator
23# c2hs -- C interface generator 24# c2hs -- C interface generator
24# cpphs -- C preprocessor clone written in Haskell 25# cpphs -- C preprocessor clone written in Haskell
25# profile -- if package supports to build profiling-enabled libraries 26# profile -- if package supports to build profiling-enabled libraries
26# bootstrap -- only used for the cabal package itself 27# bootstrap -- only used for the cabal package itself
27# bin -- the package installs binaries 28# bin -- the package installs binaries
28# lib -- the package installs libraries 29# lib -- the package installs libraries
29# nocabaldep -- don't add dependency on cabal. 30# nocabaldep -- don't add dependency on cabal.
30# only used for packages that _must_ not pull the dependency 31# only used for packages that _must_ not pull the dependency
31# on cabal, but still use this eclass (e.g. haskell-updater). 32# on cabal, but still use this eclass (e.g. haskell-updater).
32# 33#
33# Dependencies on other cabal packages have to be specified 34# Dependencies on other cabal packages have to be specified
34# correctly. 35# correctly.
35# 36#
36# Cabal libraries should usually be SLOTted with "${PV}". 37# Cabal libraries should usually be SLOTted with "${PV}".
43# Special flags to Cabal Configure can now be set by using 44# Special flags to Cabal Configure can now be set by using
44# CABAL_CONFIGURE_FLAGS 45# CABAL_CONFIGURE_FLAGS
45 46
46inherit ghc-package multilib 47inherit ghc-package multilib
47 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: ${GHC_BOOTSTRAP_FLAGS:=}
68
69HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install"
70
71case "${EAPI:-0}" in
72 2|3|4) HASKELL_CABAL_EXPF+=" src_configure" ;;
73 *) ;;
74esac
75
76EXPORT_FUNCTIONS ${HASKELL_CABAL_EXPF}
48 77
49for feature in ${CABAL_FEATURES}; do 78for feature in ${CABAL_FEATURES}; do
50 case ${feature} in 79 case ${feature} in
51 haddock) CABAL_USE_HADDOCK=yes;; 80 haddock) CABAL_USE_HADDOCK=yes;;
81 hscolour) CABAL_USE_HSCOLOUR=yes;;
82 hoogle) CABAL_USE_HOOGLE=yes;;
52 alex) CABAL_USE_ALEX=yes;; 83 alex) CABAL_USE_ALEX=yes;;
53 happy) CABAL_USE_HAPPY=yes;; 84 happy) CABAL_USE_HAPPY=yes;;
54 c2hs) CABAL_USE_C2HS=yes;; 85 c2hs) CABAL_USE_C2HS=yes;;
55 cpphs) CABAL_USE_CPPHS=yes;; 86 cpphs) CABAL_USE_CPPHS=yes;;
56 profile) CABAL_USE_PROFILE=yes;; 87 profile) CABAL_USE_PROFILE=yes;;
62 esac 93 esac
63done 94done
64 95
65if [[ -n "${CABAL_USE_HADDOCK}" ]]; then 96if [[ -n "${CABAL_USE_HADDOCK}" ]]; then
66 IUSE="${IUSE} doc" 97 IUSE="${IUSE} doc"
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="${DEPEND} doc? ( dev-haskell/haddock )"
101fi
102
103if [[ -n "${CABAL_USE_HSCOLOUR}" ]]; then
104 IUSE="${IUSE} hscolour"
67 DEPEND="${DEPEND} doc? ( dev-haskell/haddock )" 105 DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )"
68fi 106fi
69 107
70if [[ -n "${CABAL_USE_ALEX}" ]]; then 108if [[ -n "${CABAL_USE_ALEX}" ]]; then
71 DEPEND="${DEPEND} dev-haskell/alex" 109 DEPEND="${DEPEND} dev-haskell/alex"
72 cabalconf="${cabalconf} --with-alex=/usr/bin/alex"
73fi 110fi
74 111
75if [[ -n "${CABAL_USE_HAPPY}" ]]; then 112if [[ -n "${CABAL_USE_HAPPY}" ]]; then
76 DEPEND="${DEPEND} dev-haskell/happy" 113 DEPEND="${DEPEND} dev-haskell/happy"
77 cabalconf="${cabalconf} --with-happy=/usr/bin/happy"
78fi 114fi
79 115
80if [[ -n "${CABAL_USE_C2HS}" ]]; then 116if [[ -n "${CABAL_USE_C2HS}" ]]; then
81 DEPEND="${DEPEND} dev-haskell/c2hs" 117 DEPEND="${DEPEND} dev-haskell/c2hs"
82 cabalconf="${cabalconf} --with-c2hs=/usr/bin/c2hs"
83fi 118fi
84 119
85if [[ -n "${CABAL_USE_CPPHS}" ]]; then 120if [[ -n "${CABAL_USE_CPPHS}" ]]; then
86 DEPEND="${DEPEND} dev-haskell/cpphs" 121 DEPEND="${DEPEND} dev-haskell/cpphs"
87 cabalconf="${cabalconf} --with-cpphs=/usr/bin/cpphs"
88fi 122fi
89 123
90if [[ -n "${CABAL_USE_PROFILE}" ]]; then 124if [[ -n "${CABAL_USE_PROFILE}" ]]; then
91 IUSE="${IUSE} profile" 125 IUSE="${IUSE} profile"
92fi 126fi
112 if [[ "${CABAL_BOOTSTRAP}" ]]; then 146 if [[ "${CABAL_BOOTSTRAP}" ]]; then
113 # We're bootstrapping cabal, so the cabal version is the version 147 # We're bootstrapping cabal, so the cabal version is the version
114 # of this package itself. 148 # of this package itself.
115 _CABAL_VERSION_CACHE="${PV}" 149 _CABAL_VERSION_CACHE="${PV}"
116 elif [[ "${CABAL_FROM_GHC}" ]]; then 150 elif [[ "${CABAL_FROM_GHC}" ]]; then
117 # We can't assume there's a version of Cabal installed by ebuild as 151 local cabal_package=$(echo "$(ghc-libdir)"/Cabal-*)
118 # this might be a first time install of GHC (for packages that 152 # /path/to/ghc/Cabal-${VER} -> ${VER}
119 # use the shipped Cabal like haskell-updater). 153 _CABAL_VERSION_CACHE="${cabal_package/*Cabal-/}"
120
121 # The user is likely to only have one version of Cabal, provided
122 # by GHC. Note that dev-haskell/cabal can be a dummy package, only
123 # using the version provided by GHC. If the user has another version
124 # of Cabal too (more recent than the one GHC provides through
125 # dev-haskell/cabal, or possibly older if he used an old
126 # Cabal package) the most recent is used (expected to be the last
127 # one in the ghc-pkg output).
128 _CABAL_VERSION_CACHE="$(ghc-pkg field Cabal version | tail -n 1)"
129
130 # Strip out the "version: " prefix
131 _CABAL_VERSION_CACHE="${_CABAL_VERSION_CACHE#"version: "}"
132 else 154 else
133 # We ask portage, not ghc, so that we only pick up 155 # We ask portage, not ghc, so that we only pick up
134 # portage-installed cabal versions. 156 # portage-installed cabal versions.
135 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)" 157 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)"
136 fi 158 fi
158 else 180 else
159 # older ghc's don't support package versioning 181 # older ghc's don't support package versioning
160 cabalpackage=Cabal 182 cabalpackage=Cabal
161 fi 183 fi
162 einfo "Using cabal-$(cabal-version)." 184 einfo "Using cabal-$(cabal-version)."
185
186 make_setup() {
163 $(ghc-getghc) -package "${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
164 || die "compiling ${setupmodule} failed" 199 make_setup "$@" || die "compiling ${setupmodule} failed"
200 fi
165} 201}
166 202
167cabal-mksetup() { 203cabal-mksetup() {
168 local setupdir 204 local setupdir
169 205
177 213
178 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \ 214 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \
179 > $setupdir/Setup.hs 215 > $setupdir/Setup.hs
180} 216}
181 217
218cabal-hscolour() {
219 set -- hscolour "$@"
220 echo ./setup "$@"
221 ./setup "$@" || die "setup hscolour failed"
222}
223
182cabal-haddock() { 224cabal-haddock() {
183 ./setup haddock || die "setup haddock failed" 225 set -- haddock "$@"
226 echo ./setup "$@"
227 ./setup "$@" || die "setup haddock failed"
228}
229
230cabal-hscolour-haddock() {
231 # --hyperlink-source implies calling 'setup hscolour'
232 set -- haddock --hyperlink-source
233 echo ./setup "$@"
234 ./setup "$@" --hyperlink-source || die "setup haddock --hyperlink-source failed"
184} 235}
185 236
186cabal-configure() { 237cabal-configure() {
238 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
239
187 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 240 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
188 cabalconf="${cabalconf} --with-haddock=/usr/bin/haddock" 241 cabalconf="${cabalconf} --with-haddock=${EPREFIX}/usr/bin/haddock"
189 fi 242 fi
190 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then 243 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then
191 cabalconf="${cabalconf} --enable-library-profiling" 244 cabalconf="${cabalconf} --enable-library-profiling"
192 fi 245 fi
246 if [[ -n "${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
193 # Building GHCi libs on ppc64 causes "TOC overflow". 267 # Building GHCi libs on ppc64 causes "TOC overflow".
194 if use ppc64; then 268 if use ppc64; then
195 cabalconf="${cabalconf} --disable-library-for-ghci" 269 cabalconf="${cabalconf} --disable-library-for-ghci"
196 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$flag"; done
197 276
198 if version_is_at_least "1.4" "$(cabal-version)"; then 277 if version_is_at_least "1.4" "$(cabal-version)"; then
199 # disable executable stripping for the executables, as portage will 278 # disable executable stripping for the executables, as portage will
200 # strip by itself, and pre-stripping gives a QA warning. 279 # strip by itself, and pre-stripping gives a QA warning.
201 # cabal versions previous to 1.4 does not strip executables, and does 280 # cabal versions previous to 1.4 does not strip executables, and does
204 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494 283 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494
205 cabalconf="${cabalconf} --disable-executable-stripping" 284 cabalconf="${cabalconf} --disable-executable-stripping"
206 fi 285 fi
207 286
208 if version_is_at_least "1.2.0" "$(cabal-version)"; then 287 if version_is_at_least "1.2.0" "$(cabal-version)"; then
209 cabalconf="${cabalconf} --docdir=/usr/share/doc/${PF}" 288 cabalconf="${cabalconf} --docdir=${EPREFIX}/usr/share/doc/${PF}"
210 # 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
211 # 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:
212 cabalconf="${cabalconf} --verbose" 291 cabalconf="${cabalconf} --verbose"
213 fi 292 fi
214 # 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
215 # 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
216 # into /usr/share/${P}/ghc-x.y/doc/ 295 # into /usr/share/${P}/ghc-x.y/doc/
217 # rather than /usr/share/doc/${PF}/ 296 # rather than /usr/share/doc/${PF}/
218 # Because we can only set the datadir, not the docdir. 297 # Because we can only set the datadir, not the docdir.
219 298
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
220 ./setup configure \ 305 set -- configure \
221 --ghc --prefix=/usr \ 306 --ghc --prefix="${EPREFIX}"/usr \
222 --with-compiler="$(ghc-getghc)" \ 307 --with-compiler="$(ghc-getghc)" \
223 --with-hc-pkg="$(ghc-getghcpkg)" \ 308 --with-hc-pkg="$(ghc-getghcpkg)" \
224 --prefix=/usr \ 309 --prefix="${EPREFIX}"/usr \
225 --libdir=/usr/$(get_libdir) \ 310 --libdir="${EPREFIX}"/usr/$(get_libdir) \
226 --libsubdir=${P}/ghc-$(ghc-version) \ 311 --libsubdir=${P}/ghc-$(ghc-version) \
227 --datadir=/usr/share/ \ 312 --datadir="${EPREFIX}"/usr/share/ \
228 --datasubdir=${P}/ghc-$(ghc-version) \ 313 --datasubdir=${P}/ghc-$(ghc-version) \
229 ${cabalconf} \ 314 ${cabalconf} \
230 ${CABAL_CONFIGURE_FLAGS} \ 315 ${CABAL_CONFIGURE_FLAGS} \
316 ${CABAL_EXTRA_CONFIGURE_FLAGS} \
317 "$@"
318 echo ./setup "$@"
231 "$@" || die "setup configure failed" 319 ./setup "$@" || die "setup configure failed"
232} 320}
233 321
234cabal-build() { 322cabal-build() {
235 unset LANG LC_ALL LC_MESSAGES 323 unset LANG LC_ALL LC_MESSAGES
236 ./setup build \ 324 set -- build ${CABAL_EXTRA_BUILD_FLAGS} "$@"
325 echo ./setup "$@"
326 ./setup "$@" \
237 || die "setup build failed" 327 || die "setup build failed"
238} 328}
239 329
240cabal-copy() { 330cabal-copy() {
241 ./setup copy \ 331 has "${EAPI:-0}" 0 1 2 && ! use prefix && ED=${D}
242 --destdir="${D}" \ 332
333 set -- copy --destdir="${D}" "$@"
334 echo ./setup "$@"
243 || die "setup copy failed" 335 ./setup "$@" || die "setup copy failed"
244 336
245 # cabal is a bit eager about creating dirs, 337 # cabal is a bit eager about creating dirs,
246 # so remove them if they are empty 338 # so remove them if they are empty
247 rmdir "${D}/usr/bin" 2> /dev/null 339 rmdir "${ED}/usr/bin" 2> /dev/null
248 340
249 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has 341 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has
250 # no workaround. 342 # no workaround.
251 # set the +x permission on executables 343 # set the +x permission on executables
252 if [[ -d "${D}/usr/bin" ]] ; then 344 if [[ -d "${ED}/usr/bin" ]] ; then
253 chmod +x "${D}/usr/bin/"* 345 chmod +x "${ED}/usr/bin/"*
254 fi 346 fi
255 # TODO: do we still need this? 347 # TODO: do we still need this?
256} 348}
257 349
258cabal-pkg() { 350cabal-pkg() {
318 if cabal-is-dummy-lib; then 410 if cabal-is-dummy-lib; then
319 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install." 411 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
320 fi 412 fi
321} 413}
322 414
415haskell-cabal_src_configure() {
416 if ! cabal-is-dummy-lib; then
417 pushd "${S}" > /dev/null
418
419 cabal-bootstrap
420
421 cabal-configure "$@"
422
423 popd > /dev/null
424 fi
425}
426
427# exported function: nice alias
428cabal_src_configure() {
429 haskell-cabal_src_configure "$@"
430}
431
323# exported function: cabal-style bootstrap configure and compile 432# exported function: cabal-style bootstrap configure and compile
324cabal_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
325 if ! cabal-is-dummy-lib; then 445 if ! cabal-is-dummy-lib; then
326 cabal-bootstrap 446 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
327 cabal-configure
328 cabal-build 447 cabal-build
329 448
330 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 449 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
450 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
451 # hscolour and haddock
452 cabal-hscolour-haddock
453 else
454 # just haddock
331 cabal-haddock 455 cabal-haddock
456 fi
457 else
458 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
459 # just hscolour
460 cabal-hscolour
461 fi
332 fi 462 fi
333 fi 463 fi
334} 464}
335 465
336haskell-cabal_src_compile() { 466haskell-cabal_src_compile() {
467 pushd "${S}" > /dev/null
468
337 cabal_src_compile 469 cabal_src_compile "$@"
470
471 popd > /dev/null
472}
473
474haskell-cabal_src_test() {
475 pushd "${S}" > /dev/null
476
477 if cabal-is-dummy-lib; then
478 einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}"
479 else
480 einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}"
481 set -- test "$@"
482 echo ./setup "$@"
483 ./setup "$@" || die "cabal test failed"
484 fi
485
486 popd > /dev/null
338} 487}
339 488
340# exported function: cabal-style copy and register 489# exported function: cabal-style copy and register
341cabal_src_install() { 490cabal_src_install() {
491 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
492
342 if cabal-is-dummy-lib; then 493 if cabal-is-dummy-lib; then
343 # 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
344 dodir "$(ghc-confdir)" 495 local ghc_confdir_with_prefix="$(ghc-confdir)"
496 # remove EPREFIX
497 dodir ${ghc_confdir_with_prefix#${EPREFIX}}
345 echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)" 498 echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
346 else 499 else
347 cabal-copy 500 cabal-copy
348 cabal-pkg 501 cabal-pkg
349 502
352 dohtml -r dist/doc/html/* 505 dohtml -r dist/doc/html/*
353 fi 506 fi
354 fi 507 fi
355 fi 508 fi
356} 509}
510
357haskell-cabal_src_install() { 511haskell-cabal_src_install() {
512 pushd "${S}" > /dev/null
513
358 cabal_src_install 514 cabal_src_install
359}
360 515
361EXPORT_FUNCTIONS pkg_setup src_compile src_install 516 popd > /dev/null
517}
518
519# ebuild.sh:use_enable() taken as base
520#
521# Usage examples:
522#
523# CABAL_CONFIGURE_FLAGS=$(cabal_flag gui)
524# leads to "--flags=gui" or "--flags=-gui" (useflag 'gui')
525#
526# CABAL_CONFIGURE_FLAGS=$(cabal_flag gtk gui)
527# also leads to "--flags=gui" or " --flags=-gui" (useflag 'gtk')
528#
529cabal_flag() {
530 if [[ -z "$1" ]]; then
531 echo "!!! cabal_flag() called without a parameter." >&2
532 echo "!!! cabal_flag() <USEFLAG> [<cabal_flagname>]" >&2
533 return 1
534 fi
535
536 local UWORD=${2:-$1}
537
538 if use "$1"; then
539 echo "--flags=${UWORD}"
540 else
541 echo "--flags=-${UWORD}"
542 fi
543
544 return 0
545}

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