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Revision 1.6 Revision 1.28
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 1.6 2006/03/13 09:57:10 dcoutts 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
30# nocabaldep -- don't add dependency on cabal.
31# only used for packages that _must_ not pull the dependency
32# on cabal, but still use this eclass (e.g. haskell-updater).
29# 33#
30# Dependencies on other cabal packages have to be specified 34# Dependencies on other cabal packages have to be specified
31# correctly. 35# correctly.
32# 36#
33# Cabal libraries should usually be SLOTted with "${PV}". 37# Cabal libraries should usually be SLOTted with "${PV}".
34# 38#
35# Many Cabal packages require S to be manually set. 39# Many Cabal packages require S to be manually set.
36# 40#
37# Conforming Cabal packages don't require any function definitions 41# Conforming Cabal packages don't require any function definitions
38# in the ebuild. 42# in the ebuild.
43#
44# Special flags to Cabal Configure can now be set by using
45# CABAL_CONFIGURE_FLAGS
39 46
40inherit ghc-package 47inherit ghc-package multilib
41 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}
42 77
43for feature in ${CABAL_FEATURES}; do 78for feature in ${CABAL_FEATURES}; do
44 case ${feature} in 79 case ${feature} in
45 haddock) CABAL_USE_HADDOCK=yes;; 80 haddock) CABAL_USE_HADDOCK=yes;;
81 hscolour) CABAL_USE_HSCOLOUR=yes;;
82 hoogle) CABAL_USE_HOOGLE=yes;;
46 alex) CABAL_USE_ALEX=yes;; 83 alex) CABAL_USE_ALEX=yes;;
47 happy) CABAL_USE_HAPPY=yes;; 84 happy) CABAL_USE_HAPPY=yes;;
48 c2hs) CABAL_USE_C2HS=yes;; 85 c2hs) CABAL_USE_C2HS=yes;;
49 cpphs) CABAL_USE_CPPHS=yes;; 86 cpphs) CABAL_USE_CPPHS=yes;;
50 profile) CABAL_USE_PROFILE=yes;; 87 profile) CABAL_USE_PROFILE=yes;;
51 bootstrap) CABAL_BOOTSTRAP=yes;; 88 bootstrap) CABAL_BOOTSTRAP=yes;;
52 bin) CABAL_HAS_BINARIES=yes;; 89 bin) CABAL_HAS_BINARIES=yes;;
53 lib) CABAL_HAS_LIBRARIES=yes;; 90 lib) CABAL_HAS_LIBRARIES=yes;;
91 nocabaldep) CABAL_FROM_GHC=yes;;
54 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";; 92 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";;
55 esac 93 esac
56done 94done
57 95
58if [[ -n "${CABAL_USE_HADDOCK}" ]]; then 96if [[ -n "${CABAL_USE_HADDOCK}" ]]; then
59 IUSE="${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="${IUSE} hscolour"
60 DEPEND="${DEPEND} doc? ( dev-haskell/haddock )" 105 DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )"
61 cabalconf="${cabalconf} --with-haddock=/usr/bin/haddock"
62fi 106fi
63 107
64if [[ -n "${CABAL_USE_ALEX}" ]]; then 108if [[ -n "${CABAL_USE_ALEX}" ]]; then
65 DEPEND="${DEPEND} dev-haskell/alex" 109 DEPEND="${DEPEND} dev-haskell/alex"
66 cabalconf="${cabalconf} --with-alex=/usr/bin/alex"
67fi 110fi
68 111
69if [[ -n "${CABAL_USE_HAPPY}" ]]; then 112if [[ -n "${CABAL_USE_HAPPY}" ]]; then
70 DEPEND="${DEPEND} dev-haskell/happy" 113 DEPEND="${DEPEND} dev-haskell/happy"
71 cabalconf="${cabalconf} --with-happy=/usr/bin/happy"
72fi 114fi
73 115
74if [[ -n "${CABAL_USE_C2HS}" ]]; then 116if [[ -n "${CABAL_USE_C2HS}" ]]; then
75 DEPEND="${DEPEND} dev-haskell/c2hs" 117 DEPEND="${DEPEND} dev-haskell/c2hs"
76 cabalconf="${cabalconf} --with-c2hs=/usr/bin/c2hs"
77fi 118fi
78 119
79if [[ -n "${CABAL_USE_CPPHS}" ]]; then 120if [[ -n "${CABAL_USE_CPPHS}" ]]; then
80 DEPEND="${DEPEND} dev-haskell/cpphs" 121 DEPEND="${DEPEND} dev-haskell/cpphs"
81 cabalconf="${cabalconf} --with-cpphs=/usr/bin/cpphs"
82fi 122fi
83 123
84if [[ -n "${CABAL_USE_PROFILE}" ]]; then 124if [[ -n "${CABAL_USE_PROFILE}" ]]; then
85 IUSE="${IUSE} profile" 125 IUSE="${IUSE} profile"
86fi 126fi
87 127
88# We always use a standalone version of Cabal, rather than the one that comes 128# We always use a standalone version of Cabal, rather than the one that comes
89# with GHC. But of course we can't depend on cabal when building cabal itself. 129# with GHC. But of course we can't depend on cabal when building cabal itself.
90if [[ -z "${CABAL_BOOTSTRAP}" ]]; then 130if [[ -z ${CABAL_MIN_VERSION} ]]; then
131 CABAL_MIN_VERSION=1.1.4
132fi
133if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]]; then
91 DEPEND="${DEPEND} >=dev-haskell/cabal-1.1.3" 134 DEPEND="${DEPEND} >=dev-haskell/cabal-${CABAL_MIN_VERSION}"
92fi 135fi
93 136
94# Libraries require GHC to be installed. 137# Libraries require GHC to be installed.
95if [[ -n "${CABAL_HAS_LIBRARIES}" ]]; then 138if [[ -n "${CABAL_HAS_LIBRARIES}" ]]; then
96 RDEPEND="${RDEPEND} virtual/ghc" 139 RDEPEND="${RDEPEND} dev-lang/ghc"
140fi
141
142# returns the version of cabal currently in use
143_CABAL_VERSION_CACHE=""
144cabal-version() {
145 if [[ -z "${_CABAL_VERSION_CACHE}" ]]; then
146 if [[ "${CABAL_BOOTSTRAP}" ]]; then
147 # We're bootstrapping cabal, so the cabal version is the version
148 # of this package itself.
149 _CABAL_VERSION_CACHE="${PV}"
150 elif [[ "${CABAL_FROM_GHC}" ]]; then
151 local cabal_package=$(echo "$(ghc-libdir)"/Cabal-*)
152 # /path/to/ghc/Cabal-${VER} -> ${VER}
153 _CABAL_VERSION_CACHE="${cabal_package/*Cabal-/}"
154 else
155 # We ask portage, not ghc, so that we only pick up
156 # portage-installed cabal versions.
157 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)"
158 fi
97fi 159 fi
160 echo "${_CABAL_VERSION_CACHE}"
161}
98 162
99cabal-bootstrap() { 163cabal-bootstrap() {
100 local setupmodule 164 local setupmodule
101 local cabalversion 165 local cabalpackage
102 if [[ -f "${S}/Setup.lhs" ]]; then 166 if [[ -f "${S}/Setup.lhs" ]]; then
103 setupmodule="${S}/Setup.lhs" 167 setupmodule="${S}/Setup.lhs"
104 else 168 else
105 if [[ -f "${S}/Setup.hs" ]]; then 169 if [[ -f "${S}/Setup.hs" ]]; then
106 setupmodule="${S}/Setup.hs" 170 setupmodule="${S}/Setup.hs"
109 fi 173 fi
110 fi 174 fi
111 175
112 # We build the setup program using the latest version of 176 # We build the setup program using the latest version of
113 # cabal that we have installed 177 # cabal that we have installed
114 cabalversion=$(ghc-bestcabalversion) 178 if version_is_at_least "6.4" "$(ghc-version)"; then
179 cabalpackage=Cabal-$(cabal-version)
180 else
181 # older ghc's don't support package versioning
182 cabalpackage=Cabal
183 fi
115 einfo "Using ${cabalversion}." 184 einfo "Using cabal-$(cabal-version)."
116 $(ghc-getghc) -package "${cabalversion}" --make "${setupmodule}" -o setup \ 185
186 make_setup() {
187 set -- -package "${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
117 || die "compiling ${setupmodule} failed" 199 make_setup "$@" || die "compiling ${setupmodule} failed"
200 fi
201}
202
203cabal-mksetup() {
204 local setupdir
205
206 if [[ -n $1 ]]; then
207 setupdir=$1
208 else
209 setupdir=${S}
210 fi
211
212 rm -f "${setupdir}"/Setup.{lhs,hs}
213
214 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \
215 > $setupdir/Setup.hs
216}
217
218cabal-hscolour() {
219 set -- hscolour "$@"
220 echo ./setup "$@"
221 ./setup "$@" || die "setup hscolour failed"
118} 222}
119 223
120cabal-haddock() { 224cabal-haddock() {
121 ./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 "$@" --hyperlink-source || die "setup haddock --hyperlink-source failed"
122} 235}
123 236
124cabal-configure() { 237cabal-configure() {
238 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
239
240 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
241 cabalconf="${cabalconf} --with-haddock=${EPREFIX}/usr/bin/haddock"
242 fi
125 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then 243 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then
126 cabalconf="${cabalconf} --enable-executable-profiling";
127 cabalconf="${cabalconf} --enable-library-profiling" 244 cabalconf="${cabalconf} --enable-library-profiling"
128 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
129 # Building GHCi libs on ppc64 causes "TOC overflow". 267 # Building GHCi libs on ppc64 causes "TOC overflow".
130 if use ppc64; then 268 if use ppc64; then
131 cabalconf="${cabalconf} --disable-library-for-ghci" 269 cabalconf="${cabalconf} --disable-library-for-ghci"
132 fi 270 fi
133 271
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$flag"; done
276
277 if version_is_at_least "1.4" "$(cabal-version)"; then
278 # disable executable stripping for the executables, as portage will
279 # strip by itself, and pre-stripping gives a QA warning.
280 # cabal versions previous to 1.4 does not strip executables, and does
281 # not accept the flag.
282 # this fixes numerous bugs, amongst them;
283 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494
284 cabalconf="${cabalconf} --disable-executable-stripping"
285 fi
286
287 if version_is_at_least "1.2.0" "$(cabal-version)"; then
288 cabalconf="${cabalconf} --docdir=${EPREFIX}/usr/share/doc/${PF}"
289 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes
290 # it's better if the configure chatter is in the build logs:
291 cabalconf="${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
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
134 ./setup configure \ 305 set -- configure \
135 --ghc --prefix=/usr \ 306 --ghc --prefix="${EPREFIX}"/usr \
136 --with-compiler="$(ghc-getghc)" \ 307 --with-compiler="$(ghc-getghc)" \
137 --with-hc-pkg="$(ghc-getghcpkg)" \ 308 --with-hc-pkg="$(ghc-getghcpkg)" \
309 --prefix="${EPREFIX}"/usr \
310 --libdir="${EPREFIX}"/usr/$(get_libdir) \
311 --libsubdir=${P}/ghc-$(ghc-version) \
312 --datadir="${EPREFIX}"/usr/share/ \
313 --datasubdir=${P}/ghc-$(ghc-version) \
138 ${cabalconf} \ 314 ${cabalconf} \
315 ${CABAL_CONFIGURE_FLAGS} \
316 ${CABAL_EXTRA_CONFIGURE_FLAGS} \
317 "$@"
318 echo ./setup "$@"
139 "$@" || die "setup configure failed" 319 ./setup "$@" || die "setup configure failed"
140} 320}
141 321
142cabal-build() { 322cabal-build() {
143 ./setup build \ 323 unset LANG LC_ALL LC_MESSAGES
324 set -- build ${CABAL_EXTRA_BUILD_FLAGS} "$@"
325 echo ./setup "$@"
326 ./setup "$@" \
144 || die "setup build failed" 327 || die "setup build failed"
145} 328}
146 329
147cabal-copy() { 330cabal-copy() {
148 ./setup copy \ 331 has "${EAPI:-0}" 0 1 2 && ! use prefix && ED=${D}
149 --copy-prefix="${D}/usr" \ 332
333 set -- copy --destdir="${D}" "$@"
334 echo ./setup "$@"
150 || die "setup copy failed" 335 ./setup "$@" || die "setup copy failed"
151 336
152 # cabal is a bit eager about creating dirs, 337 # cabal is a bit eager about creating dirs,
153 # so remove them if they are empty 338 # so remove them if they are empty
154 rmdir "${D}/usr/bin" 2> /dev/null 339 rmdir "${ED}/usr/bin" 2> /dev/null
155 340
156 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has 341 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has
157 # no workaround. 342 # no workaround.
158 # set the +x permission on executables 343 # set the +x permission on executables
159 if [[ -d "${D}/usr/bin" ]] ; then 344 if [[ -d "${ED}/usr/bin" ]] ; then
160 chmod +x "${D}/usr/bin/"* 345 chmod +x "${ED}/usr/bin/"*
161 fi 346 fi
347 # TODO: do we still need this?
162} 348}
163 349
164cabal-pkg() { 350cabal-pkg() {
165 # This does not actually register since we're using /usr/bin/true instead 351 # This does not actually register since we're using true instead
166 # of ghc-pkg. So it just leaves the .installed-pkg-config and we can 352 # of ghc-pkg. So it just leaves the .installed-pkg-config and we can
167 # register that ourselves (if it exists). 353 # register that ourselves (if it exists).
168 local result 354 local result
169 local err 355 local err
170 356
171 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then 357 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then
172 sed -i 's:ghc-pkg:/usr/bin/true:' .setup-config 358 if version_is_at_least "1.2.0" "$(cabal-version)"; then
173 ./setup register || die "setup register failed" 359 # Newer cabal can generate a package conf for us:
174 if [[ -f .installed-pkg-config ]]; then 360 ./setup register --gen-pkg-config="${T}/${P}.conf"
175 ghc-setup-pkg .installed-pkg-config 361 ghc-setup-pkg "${T}/${P}.conf"
176 ghc-install-pkg 362 ghc-install-pkg
177 else 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
178 die "setup register has not generated a package configuration file" 373 die "setup register has not generated a package configuration file"
374 fi
179 fi 375 fi
180 fi 376 fi
377}
378
379# Some cabal libs are bundled along with some versions of ghc
380# eg filepath-1.0 comes with ghc-6.6.1
381# by putting CABAL_CORE_LIB_GHC_PV="6.6.1" in an ebuild we are declaring that
382# when building with this version of ghc, the ebuild is a dummy that is it will
383# install no files since the package is already included with ghc.
384# However portage still records the dependency and we can upgrade the package
385# to a later one that's not included with ghc.
386# You can also put a space separated list, eg CABAL_CORE_LIB_GHC_PV="6.6 6.6.1".
387cabal-is-dummy-lib() {
388 for version in ${CABAL_CORE_LIB_GHC_PV[*]}; do
389 [[ "$(ghc-version)" == "$version" ]] && return 0
390 done
391 return 1
181} 392}
182 393
183# exported function: check if cabal is correctly installed for 394# exported function: check if cabal is correctly installed for
184# the currently active ghc (we cannot guarantee this with portage) 395# the currently active ghc (we cannot guarantee this with portage)
185haskell-cabal_pkg_setup() { 396haskell-cabal_pkg_setup() {
186 if [[ -z "${CABAL_BOOTSTRAP}" ]] && ! ghc-sanecabal "1.1.3"; then 397 ghc-package_pkg_setup
398 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
187 eerror "The package dev-haskell/cabal is not correctly installed for" 399 eerror "The package dev-haskell/cabal is not correctly installed for"
188 eerror "the currently active version of ghc ($(ghc-version)). Please" 400 eerror "the currently active version of ghc ($(ghc-version)). Please"
189 eerror "run ghc-updater or re-emerge dev-haskell/cabal." 401 eerror "run ghc-updater or haskell-updater or re-build dev-haskell/cabal."
190 die "cabal is not correctly installed" 402 die "cabal is not correctly installed"
191 fi 403 fi
192 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then 404 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then
193 eerror "QA: Neither bin nor lib are in CABAL_FEATURES." 405 eerror "QA: Neither bin nor lib are in CABAL_FEATURES."
194 fi 406 fi
195 if [[ -n "${CABAL_UNKNOWN}" ]]; then 407 if [[ -n "${CABAL_UNKNOWN}" ]]; then
196 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNONW}" 408 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}"
197 fi 409 fi
410 if cabal-is-dummy-lib; then
411 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
412 fi
413}
414
415haskell-cabal_src_configure() {
416 if ! cabal-is-dummy-lib; then
417 pushd "${S}" > /dev/null
418
419 cabal-bootstrap
420
421 cabal-configure "$@"
422
423 popd > /dev/null
424 fi
425}
426
427# exported function: nice alias
428cabal_src_configure() {
429 haskell-cabal_src_configure "$@"
198} 430}
199 431
200# exported function: cabal-style bootstrap configure and compile 432# exported function: cabal-style bootstrap configure and compile
201cabal_src_compile() { 433cabal_src_compile() {
202 cabal-bootstrap 434 # it's a common mistake when one bumps ebuild to EAPI="2" (and upper)
203 cabal-configure 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
445 if ! cabal-is-dummy-lib; then
446 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
204 cabal-build 447 cabal-build
205 448
206 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 449 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
450 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
451 # hscolour and haddock
452 cabal-hscolour-haddock
453 else
454 # just haddock
207 cabal-haddock 455 cabal-haddock
456 fi
457 else
458 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
459 # just hscolour
460 cabal-hscolour
461 fi
208 fi 462 fi
463 fi
209} 464}
465
210haskell-cabal_src_compile() { 466haskell-cabal_src_compile() {
467 pushd "${S}" > /dev/null
468
211 cabal_src_compile 469 cabal_src_compile "$@"
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 "$@" || die "cabal test failed"
484 fi
485
486 popd > /dev/null
212} 487}
213 488
214# exported function: cabal-style copy and register 489# exported function: cabal-style copy and register
215cabal_src_install() { 490cabal_src_install() {
491 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
492
493 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)/$(ghc-localpkgconf)"
499 else
216 cabal-copy 500 cabal-copy
217 cabal-pkg 501 cabal-pkg
218 502
219 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 503 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
504 if ! version_is_at_least "1.1.6" "$(cabal-version)"; then
220 dohtml dist/doc/html/* 505 dohtml -r dist/doc/html/*
506 fi
221 fi 507 fi
508 fi
222} 509}
510
223haskell-cabal_src_install() { 511haskell-cabal_src_install() {
512 pushd "${S}" > /dev/null
513
224 cabal_src_install 514 cabal_src_install
225}
226 515
227EXPORT_FUNCTIONS pkg_setup src_compile src_install 516 popd > /dev/null
517}
518
519# ebuild.sh:use_enable() taken as base
520#
521# Usage examples:
522#
523# CABAL_CONFIGURE_FLAGS=$(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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