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Revision 1.26 - (hide annotations) (download)
Fri Jan 20 18:24:09 2012 UTC (2 years, 10 months ago) by slyfox
Branch: MAIN
Changes since 1.25: +28 -13 lines
Added stdout echoing of most executed phase commands. Added stub for CABAL_USE_HSCOLOUR feature to ease ebuild syncing from haskell overlay.

1 slyfox 1.26 # Copyright 1999-2012 Gentoo Foundation
2 kosmikus 1.1 # Distributed under the terms of the GNU General Public License v2
3 slyfox 1.26 # $Header: /var/cvsroot/gentoo-x86/eclass/haskell-cabal.eclass,v 1.25 2011/08/22 04:46:32 vapier Exp $
4 vapier 1.25
5     # @ECLASS: haskell-cabal.eclass
6     # @MAINTAINER:
7     # Haskell herd <haskell@gentoo.org>
8     # @AUTHOR:
9     # Original author: Andres Loeh <kosmikus@gentoo.org>
10     # Original author: Duncan Coutts <dcoutts@gentoo.org>
11     # @BLURB: for packages that make use of the Haskell Common Architecture for Building Applications and Libraries (cabal)
12     # @DESCRIPTION:
13 kosmikus 1.1 # Basic instructions:
14     #
15     # Before inheriting the eclass, set CABAL_FEATURES to
16     # reflect the tools and features that the package makes
17     # use of.
18     #
19     # Currently supported features:
20     # haddock -- for documentation generation
21 kolmodin 1.21 # hscolour -- generation of colourised sources
22 kosmikus 1.1 # alex -- lexer/scanner generator
23     # happy -- parser generator
24     # c2hs -- C interface generator
25     # cpphs -- C preprocessor clone written in Haskell
26     # profile -- if package supports to build profiling-enabled libraries
27     # bootstrap -- only used for the cabal package itself
28 dcoutts 1.3 # bin -- the package installs binaries
29     # lib -- the package installs libraries
30 kolmodin 1.16 # nocabaldep -- don't add dependency on cabal.
31 slyfox 1.23 # only used for packages that _must_ not pull the dependency
32     # on cabal, but still use this eclass (e.g. haskell-updater).
33 kosmikus 1.1 #
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 kosmikus 1.8 #
44     # Special flags to Cabal Configure can now be set by using
45     # CABAL_CONFIGURE_FLAGS
46 kosmikus 1.1
47 dcoutts 1.11 inherit ghc-package multilib
48 kosmikus 1.1
49 slyfox 1.24 # @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: GHC_BOOTSTRAP_FLAGS
56     # @DESCRIPTION:
57     # User-specified additional parameters for ghc when building
58     # _only_ 'setup' binary bootstrap.
59     # example: /etc/make.conf: GHC_BOOTSTRAP_FLAGS=-dynamic to make
60     # linking 'setup' faster.
61     : ${GHC_BOOTSTRAP_FLAGS:=}
62    
63 kolmodin 1.19 HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install"
64    
65     case "${EAPI:-0}" in
66     2|3|4) HASKELL_CABAL_EXPF+=" src_configure" ;;
67     *) ;;
68     esac
69    
70     EXPORT_FUNCTIONS ${HASKELL_CABAL_EXPF}
71 kosmikus 1.1
72     for feature in ${CABAL_FEATURES}; do
73     case ${feature} in
74 kolmodin 1.16 haddock) CABAL_USE_HADDOCK=yes;;
75 kolmodin 1.21 hscolour) CABAL_USE_HSCOLOUR=yes;;
76 slyfox 1.26 hoogle) CABAL_USE_HOOGLE=yes;;
77 kolmodin 1.16 alex) CABAL_USE_ALEX=yes;;
78     happy) CABAL_USE_HAPPY=yes;;
79     c2hs) CABAL_USE_C2HS=yes;;
80     cpphs) CABAL_USE_CPPHS=yes;;
81     profile) CABAL_USE_PROFILE=yes;;
82     bootstrap) CABAL_BOOTSTRAP=yes;;
83     bin) CABAL_HAS_BINARIES=yes;;
84     lib) CABAL_HAS_LIBRARIES=yes;;
85     nocabaldep) CABAL_FROM_GHC=yes;;
86 dcoutts 1.3 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";;
87 kosmikus 1.1 esac
88     done
89    
90     if [[ -n "${CABAL_USE_HADDOCK}" ]]; then
91     IUSE="${IUSE} doc"
92     DEPEND="${DEPEND} doc? ( dev-haskell/haddock )"
93     fi
94    
95 kolmodin 1.21 if [[ -n "${CABAL_USE_HSCOLOUR}" ]]; then
96     IUSE="${IUSE} hscolour"
97     DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )"
98     fi
99    
100 kosmikus 1.1 if [[ -n "${CABAL_USE_ALEX}" ]]; then
101     DEPEND="${DEPEND} dev-haskell/alex"
102     fi
103    
104     if [[ -n "${CABAL_USE_HAPPY}" ]]; then
105     DEPEND="${DEPEND} dev-haskell/happy"
106     fi
107    
108     if [[ -n "${CABAL_USE_C2HS}" ]]; then
109     DEPEND="${DEPEND} dev-haskell/c2hs"
110     fi
111    
112     if [[ -n "${CABAL_USE_CPPHS}" ]]; then
113     DEPEND="${DEPEND} dev-haskell/cpphs"
114     fi
115    
116     if [[ -n "${CABAL_USE_PROFILE}" ]]; then
117     IUSE="${IUSE} profile"
118     fi
119    
120     # We always use a standalone version of Cabal, rather than the one that comes
121     # with GHC. But of course we can't depend on cabal when building cabal itself.
122 dcoutts 1.14 if [[ -z ${CABAL_MIN_VERSION} ]]; then
123     CABAL_MIN_VERSION=1.1.4
124     fi
125 kolmodin 1.16 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]]; then
126 dcoutts 1.11 DEPEND="${DEPEND} >=dev-haskell/cabal-${CABAL_MIN_VERSION}"
127 kosmikus 1.1 fi
128    
129 dcoutts 1.3 # Libraries require GHC to be installed.
130     if [[ -n "${CABAL_HAS_LIBRARIES}" ]]; then
131 dcoutts 1.11 RDEPEND="${RDEPEND} dev-lang/ghc"
132 dcoutts 1.3 fi
133 kosmikus 1.1
134 dcoutts 1.14 # returns the version of cabal currently in use
135     _CABAL_VERSION_CACHE=""
136     cabal-version() {
137     if [[ -z "${_CABAL_VERSION_CACHE}" ]]; then
138     if [[ "${CABAL_BOOTSTRAP}" ]]; then
139     # We're bootstrapping cabal, so the cabal version is the version
140     # of this package itself.
141     _CABAL_VERSION_CACHE="${PV}"
142 kolmodin 1.17 elif [[ "${CABAL_FROM_GHC}" ]]; then
143 slyfox 1.24 local cabal_package=$(echo "$(ghc-libdir)"/Cabal-*)
144     # /path/to/ghc/Cabal-${VER} -> ${VER}
145     _CABAL_VERSION_CACHE="${cabal_package/*Cabal-/}"
146 dcoutts 1.14 else
147     # We ask portage, not ghc, so that we only pick up
148     # portage-installed cabal versions.
149     _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)"
150     fi
151     fi
152     echo "${_CABAL_VERSION_CACHE}"
153     }
154    
155 kosmikus 1.1 cabal-bootstrap() {
156     local setupmodule
157 dcoutts 1.14 local cabalpackage
158 kosmikus 1.1 if [[ -f "${S}/Setup.lhs" ]]; then
159     setupmodule="${S}/Setup.lhs"
160     else
161     if [[ -f "${S}/Setup.hs" ]]; then
162     setupmodule="${S}/Setup.hs"
163     else
164     die "No Setup.lhs or Setup.hs found"
165     fi
166     fi
167    
168     # We build the setup program using the latest version of
169     # cabal that we have installed
170 dcoutts 1.14 if version_is_at_least "6.4" "$(ghc-version)"; then
171     cabalpackage=Cabal-$(cabal-version)
172     else
173     # older ghc's don't support package versioning
174     cabalpackage=Cabal
175     fi
176     einfo "Using cabal-$(cabal-version)."
177 slyfox 1.24
178     make_setup() {
179 slyfox 1.26 set -- -package "${cabalpackage}" --make "${setupmodule}" \
180 slyfox 1.24 ${GHC_BOOTSTRAP_FLAGS} \
181     "$@" \
182     -o setup
183 slyfox 1.26 echo $(ghc-getghc) "$@"
184     $(ghc-getghc) "$@"
185 slyfox 1.24 }
186     if $(ghc-supports-shared-libraries); then
187     # some custom build systems might use external libraries,
188     # for which we don't have shared libs, so keep static fallback
189     make_setup -dynamic "$@" || make_setup "$@" || die "compiling ${setupmodule} failed"
190     else
191     make_setup "$@" || die "compiling ${setupmodule} failed"
192     fi
193 kosmikus 1.1 }
194    
195 dcoutts 1.14 cabal-mksetup() {
196     local setupdir
197    
198     if [[ -n $1 ]]; then
199     setupdir=$1
200     else
201     setupdir=${S}
202     fi
203    
204     rm -f "${setupdir}"/Setup.{lhs,hs}
205    
206     echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \
207     > $setupdir/Setup.hs
208     }
209    
210 kolmodin 1.21 cabal-hscolour() {
211 slyfox 1.26 set -- hscolour "$@"
212     echo ./setup "$@"
213     ./setup "$@" || die "setup hscolour failed"
214 kolmodin 1.21 }
215    
216 kosmikus 1.1 cabal-haddock() {
217 slyfox 1.26 set -- haddock "$@"
218     echo ./setup "$@"
219     ./setup "$@" || die "setup haddock failed"
220 kosmikus 1.1 }
221    
222 kolmodin 1.21 cabal-hscolour-haddock() {
223     # --hyperlink-source implies calling 'setup hscolour'
224 slyfox 1.26 set -- haddock --hyperlink-source
225     echo ./setup "$@"
226     ./setup "$@" --hyperlink-source || die "setup haddock --hyperlink-source failed"
227 kolmodin 1.21 }
228    
229 kosmikus 1.1 cabal-configure() {
230 slyfox 1.23 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
231    
232 dcoutts 1.14 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
233 slyfox 1.23 cabalconf="${cabalconf} --with-haddock=${EPREFIX}/usr/bin/haddock"
234 dcoutts 1.14 fi
235 kosmikus 1.1 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then
236 dcoutts 1.2 cabalconf="${cabalconf} --enable-library-profiling"
237 kosmikus 1.1 fi
238 slyfox 1.23 if [[ -n "${CABAL_USE_ALEX}" ]]; then
239     cabalconf="${cabalconf} --with-alex=${EPREFIX}/usr/bin/alex"
240     fi
241    
242     if [[ -n "${CABAL_USE_HAPPY}" ]]; then
243     cabalconf="${cabalconf} --with-happy=${EPREFIX}/usr/bin/happy"
244     fi
245    
246     if [[ -n "${CABAL_USE_C2HS}" ]]; then
247     cabalconf="${cabalconf} --with-c2hs=${EPREFIX}/usr/bin/c2hs"
248     fi
249     if [[ -n "${CABAL_USE_CPPHS}" ]]; then
250     cabalconf="${cabalconf} --with-cpphs=${EPREFIX}/usr/bin/cpphs"
251     fi
252    
253 dcoutts 1.6 # Building GHCi libs on ppc64 causes "TOC overflow".
254     if use ppc64; then
255 dcoutts 1.5 cabalconf="${cabalconf} --disable-library-for-ghci"
256     fi
257 kosmikus 1.1
258 slyfox 1.24 # currently cabal does not respect CFLAGS and LDFLAGS on it's own (bug #333217)
259     # so translate LDFLAGS to ghc parameters (without filtering)
260     local flag
261     for flag in $LDFLAGS; do cabalconf="${cabalconf} --ghc-option=-optl$flag"; done
262    
263 kolmodin 1.18 if version_is_at_least "1.4" "$(cabal-version)"; then
264     # disable executable stripping for the executables, as portage will
265     # strip by itself, and pre-stripping gives a QA warning.
266     # cabal versions previous to 1.4 does not strip executables, and does
267     # not accept the flag.
268     # this fixes numerous bugs, amongst them;
269     # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494
270     cabalconf="${cabalconf} --disable-executable-stripping"
271     fi
272    
273 dcoutts 1.14 if version_is_at_least "1.2.0" "$(cabal-version)"; then
274 slyfox 1.23 cabalconf="${cabalconf} --docdir=${EPREFIX}/usr/share/doc/${PF}"
275 dcoutts 1.14 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes
276     # it's better if the configure chatter is in the build logs:
277     cabalconf="${cabalconf} --verbose"
278     fi
279     # Note: with Cabal-1.1.6.x we do not have enough control
280 dcoutts 1.11 # to put the docs into the right place. They're currently going
281     # into /usr/share/${P}/ghc-x.y/doc/
282     # rather than /usr/share/doc/${PF}/
283     # Because we can only set the datadir, not the docdir.
284    
285 slyfox 1.24 # We build shared version of our Cabal where ghc ships it's shared
286     # version of it. We will link ./setup as dynamic binary againt Cabal later.
287     [[ ${CATEGORY}/${PN} == "dev-haskell/cabal" ]] && \
288     $(ghc-supports-shared-libraries) && \
289     cabalconf="${cabalconf} --enable-shared"
290    
291 slyfox 1.26 set -- configure \
292 slyfox 1.23 --ghc --prefix="${EPREFIX}"/usr \
293 kosmikus 1.1 --with-compiler="$(ghc-getghc)" \
294     --with-hc-pkg="$(ghc-getghcpkg)" \
295 slyfox 1.23 --prefix="${EPREFIX}"/usr \
296     --libdir="${EPREFIX}"/usr/$(get_libdir) \
297 dcoutts 1.11 --libsubdir=${P}/ghc-$(ghc-version) \
298 slyfox 1.23 --datadir="${EPREFIX}"/usr/share/ \
299 dcoutts 1.11 --datasubdir=${P}/ghc-$(ghc-version) \
300 kosmikus 1.1 ${cabalconf} \
301 kosmikus 1.8 ${CABAL_CONFIGURE_FLAGS} \
302 slyfox 1.24 ${CABAL_EXTRA_CONFIGURE_FLAGS} \
303 slyfox 1.26 "$@"
304     echo ./setup "$@"
305     ./setup "$@" || die "setup configure failed"
306 kosmikus 1.1 }
307    
308     cabal-build() {
309 dcoutts 1.14 unset LANG LC_ALL LC_MESSAGES
310 slyfox 1.26 set -- build "$@"
311     echo ./setup "$@"
312     ./setup "$@" \
313 kosmikus 1.1 || die "setup build failed"
314     }
315    
316     cabal-copy() {
317 slyfox 1.23 has "${EAPI:-0}" 0 1 2 && ! use prefix && ED=${D}
318    
319 slyfox 1.26 set -- copy --destdir="${D}" "$@"
320     echo ./setup "$@"
321     ./setup "$@" || die "setup copy failed"
322 kosmikus 1.1
323     # cabal is a bit eager about creating dirs,
324     # so remove them if they are empty
325 slyfox 1.23 rmdir "${ED}/usr/bin" 2> /dev/null
326 kosmikus 1.1
327     # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has
328     # no workaround.
329     # set the +x permission on executables
330 slyfox 1.23 if [[ -d "${ED}/usr/bin" ]] ; then
331     chmod +x "${ED}/usr/bin/"*
332 kosmikus 1.1 fi
333 dcoutts 1.11 # TODO: do we still need this?
334 kosmikus 1.1 }
335    
336     cabal-pkg() {
337 kosmikus 1.9 # This does not actually register since we're using true instead
338 kosmikus 1.1 # of ghc-pkg. So it just leaves the .installed-pkg-config and we can
339     # register that ourselves (if it exists).
340 dcoutts 1.2 local result
341     local err
342    
343 dcoutts 1.4 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then
344 dcoutts 1.14 if version_is_at_least "1.2.0" "$(cabal-version)"; then
345     # Newer cabal can generate a package conf for us:
346     ./setup register --gen-pkg-config="${T}/${P}.conf"
347     ghc-setup-pkg "${T}/${P}.conf"
348 dcoutts 1.4 ghc-install-pkg
349     else
350 dcoutts 1.14 # With older cabal we have to hack it by replacing its ghc-pkg
351     # with true and then just picking up the .installed-pkg-config
352     # file and registering that ourselves (if it exists).
353     sed -i "s|$(ghc-getghcpkg)|$(type -P true)|" .setup-config
354     ./setup register || die "setup register failed"
355     if [[ -f .installed-pkg-config ]]; then
356     ghc-setup-pkg .installed-pkg-config
357     ghc-install-pkg
358     else
359     die "setup register has not generated a package configuration file"
360     fi
361 dcoutts 1.4 fi
362 kosmikus 1.1 fi
363     }
364    
365 kolmodin 1.13 # Some cabal libs are bundled along with some versions of ghc
366     # eg filepath-1.0 comes with ghc-6.6.1
367     # by putting CABAL_CORE_LIB_GHC_PV="6.6.1" in an ebuild we are declaring that
368     # when building with this version of ghc, the ebuild is a dummy that is it will
369     # install no files since the package is already included with ghc.
370     # However portage still records the dependency and we can upgrade the package
371     # to a later one that's not included with ghc.
372     # You can also put a space separated list, eg CABAL_CORE_LIB_GHC_PV="6.6 6.6.1".
373     cabal-is-dummy-lib() {
374     for version in ${CABAL_CORE_LIB_GHC_PV[*]}; do
375     [[ "$(ghc-version)" == "$version" ]] && return 0
376     done
377     return 1
378     }
379    
380 kosmikus 1.1 # exported function: check if cabal is correctly installed for
381     # the currently active ghc (we cannot guarantee this with portage)
382     haskell-cabal_pkg_setup() {
383 dcoutts 1.11 ghc-package_pkg_setup
384 kolmodin 1.16 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
385 kosmikus 1.1 eerror "The package dev-haskell/cabal is not correctly installed for"
386     eerror "the currently active version of ghc ($(ghc-version)). Please"
387 kolmodin 1.16 eerror "run ghc-updater or haskell-updater or re-build dev-haskell/cabal."
388 kosmikus 1.1 die "cabal is not correctly installed"
389     fi
390 dcoutts 1.4 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then
391     eerror "QA: Neither bin nor lib are in CABAL_FEATURES."
392     fi
393 dcoutts 1.3 if [[ -n "${CABAL_UNKNOWN}" ]]; then
394 kolmodin 1.15 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}"
395 dcoutts 1.3 fi
396 kolmodin 1.13 if cabal-is-dummy-lib; then
397     einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
398     fi
399 kosmikus 1.1 }
400    
401 kolmodin 1.19 haskell-cabal_src_configure() {
402 slyfox 1.23 if ! cabal-is-dummy-lib; then
403     pushd "${S}" > /dev/null
404 kolmodin 1.19
405 slyfox 1.23 cabal-bootstrap
406 slyfox 1.22
407 slyfox 1.23 cabal-configure $ghc_flags "$@"
408 kolmodin 1.19
409 slyfox 1.23 popd > /dev/null
410     fi
411 kolmodin 1.19 }
412    
413     # exported function: nice alias
414     cabal_src_configure() {
415     haskell-cabal_src_configure "$@"
416     }
417    
418 kosmikus 1.1 # exported function: cabal-style bootstrap configure and compile
419     cabal_src_compile() {
420 slyfox 1.24 # it's a common mistake when one bumps ebuild to EAPI="2" (and upper)
421     # and forgets to separate src_compile() to src_configure()/src_compile().
422     # Such error leads to default src_configure and we lose all passed flags.
423     if ! has "${EAPI:-0}" 0 1; then
424     local passed_flag
425     for passed_flag in "$@"; do
426     [[ ${passed_flag} == --flags=* ]] && \
427     eqawarn "Cabal option '${passed_flag}' has effect only in src_configure()"
428     done
429     fi
430    
431 kolmodin 1.13 if ! cabal-is-dummy-lib; then
432 kolmodin 1.19 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
433 kolmodin 1.13 cabal-build
434 kosmikus 1.1
435 kolmodin 1.13 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
436 kolmodin 1.21 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
437     # hscolour and haddock
438     cabal-hscolour-haddock
439     else
440     # just haddock
441     cabal-haddock
442     fi
443     else
444     if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
445     # just hscolour
446     cabal-hscolour
447     fi
448 kolmodin 1.13 fi
449 kosmikus 1.1 fi
450     }
451 kolmodin 1.16
452 kosmikus 1.1 haskell-cabal_src_compile() {
453 kolmodin 1.19 pushd "${S}" > /dev/null
454    
455     cabal_src_compile "$@"
456    
457     popd > /dev/null
458     }
459    
460     haskell-cabal_src_test() {
461     pushd "${S}" > /dev/null
462    
463 kolmodin 1.20 if cabal-is-dummy-lib; then
464     einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}"
465     else
466     einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}"
467 slyfox 1.26 set -- test "$@"
468     echo ./setup "$@"
469     ./setup "$@" || die "cabal test failed"
470 kolmodin 1.20 fi
471 kolmodin 1.19
472     popd > /dev/null
473 kosmikus 1.1 }
474    
475     # exported function: cabal-style copy and register
476     cabal_src_install() {
477 slyfox 1.23 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
478    
479 kolmodin 1.13 if cabal-is-dummy-lib; then
480     # create a dummy local package conf file for the sake of ghc-updater
481 slyfox 1.23 local ghc_confdir_with_prefix="$(ghc-confdir)"
482     # remove EPREFIX
483     dodir ${ghc_confdir_with_prefix#${EPREFIX}}
484 kolmodin 1.13 echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
485     else
486     cabal-copy
487     cabal-pkg
488 kosmikus 1.1
489 kolmodin 1.13 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
490 dcoutts 1.14 if ! version_is_at_least "1.1.6" "$(cabal-version)"; then
491 kolmodin 1.13 dohtml -r dist/doc/html/*
492     fi
493 dcoutts 1.11 fi
494 kosmikus 1.1 fi
495     }
496 kolmodin 1.19
497 kosmikus 1.1 haskell-cabal_src_install() {
498 kolmodin 1.19 pushd "${S}" > /dev/null
499    
500 kosmikus 1.1 cabal_src_install
501 kolmodin 1.19
502     popd > /dev/null
503 kosmikus 1.1 }
504    
505 kolmodin 1.19 # ebuild.sh:use_enable() taken as base
506     #
507     # Usage examples:
508     #
509     # CABAL_CONFIGURE_FLAGS=$(cabal_flag gui)
510     # leads to "--flags=gui" or "--flags=-gui" (useflag 'gui')
511     #
512     # CABAL_CONFIGURE_FLAGS=$(cabal_flag gtk gui)
513     # also leads to "--flags=gui" or " --flags=-gui" (useflag 'gtk')
514     #
515     cabal_flag() {
516     if [[ -z "$1" ]]; then
517     echo "!!! cabal_flag() called without a parameter." >&2
518     echo "!!! cabal_flag() <USEFLAG> [<cabal_flagname>]" >&2
519     return 1
520     fi
521    
522     local UWORD=${2:-$1}
523    
524     if use "$1"; then
525     echo "--flags=${UWORD}"
526     else
527     echo "--flags=-${UWORD}"
528     fi
529    
530     return 0
531     }

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