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Revision 1.5 Revision 1.27
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 1.5 2006/03/01 12:54:35 dcoutts Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/haskell-cabal.eclass,v 1.27 2012/02/07 12:47:54 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="${IUSE} doc"
60 DEPEND="${DEPEND} doc? ( dev-haskell/haddock )" 98 DEPEND="${DEPEND} doc? ( dev-haskell/haddock )"
61 cabalconf="${cabalconf} --with-haddock=/usr/bin/haddock" 99fi
100
101if [[ -n "${CABAL_USE_HSCOLOUR}" ]]; then
102 IUSE="${IUSE} hscolour"
103 DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )"
62fi 104fi
63 105
64if [[ -n "${CABAL_USE_ALEX}" ]]; then 106if [[ -n "${CABAL_USE_ALEX}" ]]; then
65 DEPEND="${DEPEND} dev-haskell/alex" 107 DEPEND="${DEPEND} dev-haskell/alex"
66 cabalconf="${cabalconf} --with-alex=/usr/bin/alex"
67fi 108fi
68 109
69if [[ -n "${CABAL_USE_HAPPY}" ]]; then 110if [[ -n "${CABAL_USE_HAPPY}" ]]; then
70 DEPEND="${DEPEND} dev-haskell/happy" 111 DEPEND="${DEPEND} dev-haskell/happy"
71 cabalconf="${cabalconf} --with-happy=/usr/bin/happy"
72fi 112fi
73 113
74if [[ -n "${CABAL_USE_C2HS}" ]]; then 114if [[ -n "${CABAL_USE_C2HS}" ]]; then
75 DEPEND="${DEPEND} dev-haskell/c2hs" 115 DEPEND="${DEPEND} dev-haskell/c2hs"
76 cabalconf="${cabalconf} --with-c2hs=/usr/bin/c2hs"
77fi 116fi
78 117
79if [[ -n "${CABAL_USE_CPPHS}" ]]; then 118if [[ -n "${CABAL_USE_CPPHS}" ]]; then
80 DEPEND="${DEPEND} dev-haskell/cpphs" 119 DEPEND="${DEPEND} dev-haskell/cpphs"
81 cabalconf="${cabalconf} --with-cpphs=/usr/bin/cpphs"
82fi 120fi
83 121
84if [[ -n "${CABAL_USE_PROFILE}" ]]; then 122if [[ -n "${CABAL_USE_PROFILE}" ]]; then
85 IUSE="${IUSE} profile" 123 IUSE="${IUSE} profile"
86fi 124fi
87 125
88# We always use a standalone version of Cabal, rather than the one that comes 126# We always use a standalone version of Cabal, rather than the one that comes
89# with GHC. But of course we can't depend on cabal when building cabal itself. 127# with GHC. But of course we can't depend on cabal when building cabal itself.
90if [[ -z "${CABAL_BOOTSTRAP}" ]]; then 128if [[ -z ${CABAL_MIN_VERSION} ]]; then
129 CABAL_MIN_VERSION=1.1.4
130fi
131if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]]; then
91 DEPEND="${DEPEND} >=dev-haskell/cabal-1.1.3" 132 DEPEND="${DEPEND} >=dev-haskell/cabal-${CABAL_MIN_VERSION}"
92fi 133fi
93 134
94# Libraries require GHC to be installed. 135# Libraries require GHC to be installed.
95if [[ -n "${CABAL_HAS_LIBRARIES}" ]]; then 136if [[ -n "${CABAL_HAS_LIBRARIES}" ]]; then
96 RDEPEND="${RDEPEND} virtual/ghc" 137 RDEPEND="${RDEPEND} dev-lang/ghc"
138fi
139
140# returns the version of cabal currently in use
141_CABAL_VERSION_CACHE=""
142cabal-version() {
143 if [[ -z "${_CABAL_VERSION_CACHE}" ]]; then
144 if [[ "${CABAL_BOOTSTRAP}" ]]; then
145 # We're bootstrapping cabal, so the cabal version is the version
146 # of this package itself.
147 _CABAL_VERSION_CACHE="${PV}"
148 elif [[ "${CABAL_FROM_GHC}" ]]; then
149 local cabal_package=$(echo "$(ghc-libdir)"/Cabal-*)
150 # /path/to/ghc/Cabal-${VER} -> ${VER}
151 _CABAL_VERSION_CACHE="${cabal_package/*Cabal-/}"
152 else
153 # We ask portage, not ghc, so that we only pick up
154 # portage-installed cabal versions.
155 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)"
156 fi
97fi 157 fi
158 echo "${_CABAL_VERSION_CACHE}"
159}
98 160
99cabal-bootstrap() { 161cabal-bootstrap() {
100 local setupmodule 162 local setupmodule
101 local cabalversion 163 local cabalpackage
102 if [[ -f "${S}/Setup.lhs" ]]; then 164 if [[ -f "${S}/Setup.lhs" ]]; then
103 setupmodule="${S}/Setup.lhs" 165 setupmodule="${S}/Setup.lhs"
104 else 166 else
105 if [[ -f "${S}/Setup.hs" ]]; then 167 if [[ -f "${S}/Setup.hs" ]]; then
106 setupmodule="${S}/Setup.hs" 168 setupmodule="${S}/Setup.hs"
109 fi 171 fi
110 fi 172 fi
111 173
112 # We build the setup program using the latest version of 174 # We build the setup program using the latest version of
113 # cabal that we have installed 175 # cabal that we have installed
114 cabalversion=$(ghc-bestcabalversion) 176 if version_is_at_least "6.4" "$(ghc-version)"; then
177 cabalpackage=Cabal-$(cabal-version)
178 else
179 # older ghc's don't support package versioning
180 cabalpackage=Cabal
181 fi
115 einfo "Using ${cabalversion}." 182 einfo "Using cabal-$(cabal-version)."
116 $(ghc-getghc) -package "${cabalversion}" --make "${setupmodule}" -o setup \ 183
184 make_setup() {
185 set -- -package "${cabalpackage}" --make "${setupmodule}" \
186 ${GHC_BOOTSTRAP_FLAGS} \
187 "$@" \
188 -o setup
189 echo $(ghc-getghc) ${HCFLAGS} "$@"
190 $(ghc-getghc) "$@"
191 }
192 if $(ghc-supports-shared-libraries); then
193 # some custom build systems might use external libraries,
194 # for which we don't have shared libs, so keep static fallback
195 make_setup -dynamic "$@" || make_setup "$@" || die "compiling ${setupmodule} failed"
196 else
117 || die "compiling ${setupmodule} failed" 197 make_setup "$@" || die "compiling ${setupmodule} failed"
198 fi
199}
200
201cabal-mksetup() {
202 local setupdir
203
204 if [[ -n $1 ]]; then
205 setupdir=$1
206 else
207 setupdir=${S}
208 fi
209
210 rm -f "${setupdir}"/Setup.{lhs,hs}
211
212 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \
213 > $setupdir/Setup.hs
214}
215
216cabal-hscolour() {
217 set -- hscolour "$@"
218 echo ./setup "$@"
219 ./setup "$@" || die "setup hscolour failed"
118} 220}
119 221
120cabal-haddock() { 222cabal-haddock() {
121 ./setup haddock || die "setup haddock failed" 223 set -- haddock "$@"
224 echo ./setup "$@"
225 ./setup "$@" || die "setup haddock failed"
226}
227
228cabal-hscolour-haddock() {
229 # --hyperlink-source implies calling 'setup hscolour'
230 set -- haddock --hyperlink-source
231 echo ./setup "$@"
232 ./setup "$@" --hyperlink-source || die "setup haddock --hyperlink-source failed"
122} 233}
123 234
124cabal-configure() { 235cabal-configure() {
236 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
237
238 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
239 cabalconf="${cabalconf} --with-haddock=${EPREFIX}/usr/bin/haddock"
240 fi
125 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then 241 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then
126 cabalconf="${cabalconf} --enable-executable-profiling";
127 cabalconf="${cabalconf} --enable-library-profiling" 242 cabalconf="${cabalconf} --enable-library-profiling"
128 fi 243 fi
129 # Don't build GHCi libs for arches that do not support GHCi. 244 if [[ -n "${CABAL_USE_ALEX}" ]]; then
245 cabalconf="${cabalconf} --with-alex=${EPREFIX}/usr/bin/alex"
246 fi
247
248 if [[ -n "${CABAL_USE_HAPPY}" ]]; then
249 cabalconf="${cabalconf} --with-happy=${EPREFIX}/usr/bin/happy"
250 fi
251
252 if [[ -n "${CABAL_USE_C2HS}" ]]; then
253 cabalconf="${cabalconf} --with-c2hs=${EPREFIX}/usr/bin/c2hs"
254 fi
255 if [[ -n "${CABAL_USE_CPPHS}" ]]; then
256 cabalconf="${cabalconf} --with-cpphs=${EPREFIX}/usr/bin/cpphs"
257 fi
258
259 local option
260 for option in ${HCFLAGS}
261 do
262 cabalconf+=" --ghc-option=$option"
263 done
264
130 # Also building GHCi libs on ppc64 causes "TOC overflow". 265 # Building GHCi libs on ppc64 causes "TOC overflow".
131 if use alpha || use ppc64; then 266 if use ppc64; then
132 cabalconf="${cabalconf} --disable-library-for-ghci" 267 cabalconf="${cabalconf} --disable-library-for-ghci"
133 fi 268 fi
134 269
270 # currently cabal does not respect CFLAGS and LDFLAGS on it's own (bug #333217)
271 # so translate LDFLAGS to ghc parameters (without filtering)
272 local flag
273 for flag in $LDFLAGS; do cabalconf="${cabalconf} --ghc-option=-optl$flag"; done
274
275 if version_is_at_least "1.4" "$(cabal-version)"; then
276 # disable executable stripping for the executables, as portage will
277 # strip by itself, and pre-stripping gives a QA warning.
278 # cabal versions previous to 1.4 does not strip executables, and does
279 # not accept the flag.
280 # this fixes numerous bugs, amongst them;
281 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494
282 cabalconf="${cabalconf} --disable-executable-stripping"
283 fi
284
285 if version_is_at_least "1.2.0" "$(cabal-version)"; then
286 cabalconf="${cabalconf} --docdir=${EPREFIX}/usr/share/doc/${PF}"
287 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes
288 # it's better if the configure chatter is in the build logs:
289 cabalconf="${cabalconf} --verbose"
290 fi
291 # Note: with Cabal-1.1.6.x we do not have enough control
292 # to put the docs into the right place. They're currently going
293 # into /usr/share/${P}/ghc-x.y/doc/
294 # rather than /usr/share/doc/${PF}/
295 # Because we can only set the datadir, not the docdir.
296
297 # We build shared version of our Cabal where ghc ships it's shared
298 # version of it. We will link ./setup as dynamic binary againt Cabal later.
299 [[ ${CATEGORY}/${PN} == "dev-haskell/cabal" ]] && \
300 $(ghc-supports-shared-libraries) && \
301 cabalconf="${cabalconf} --enable-shared"
302
135 ./setup configure \ 303 set -- configure \
136 --ghc --prefix=/usr \ 304 --ghc --prefix="${EPREFIX}"/usr \
137 --with-compiler="$(ghc-getghc)" \ 305 --with-compiler="$(ghc-getghc)" \
138 --with-hc-pkg="$(ghc-getghcpkg)" \ 306 --with-hc-pkg="$(ghc-getghcpkg)" \
307 --prefix="${EPREFIX}"/usr \
308 --libdir="${EPREFIX}"/usr/$(get_libdir) \
309 --libsubdir=${P}/ghc-$(ghc-version) \
310 --datadir="${EPREFIX}"/usr/share/ \
311 --datasubdir=${P}/ghc-$(ghc-version) \
139 ${cabalconf} \ 312 ${cabalconf} \
313 ${CABAL_CONFIGURE_FLAGS} \
314 ${CABAL_EXTRA_CONFIGURE_FLAGS} \
315 "$@"
316 echo ./setup "$@"
140 "$@" || die "setup configure failed" 317 ./setup "$@" || die "setup configure failed"
141} 318}
142 319
143cabal-build() { 320cabal-build() {
144 ./setup build \ 321 unset LANG LC_ALL LC_MESSAGES
322 set -- build ${CABAL_EXTRA_BUILD_FLAGS} "$@"
323 echo ./setup "$@"
324 ./setup "$@" \
145 || die "setup build failed" 325 || die "setup build failed"
146} 326}
147 327
148cabal-copy() { 328cabal-copy() {
149 ./setup copy \ 329 has "${EAPI:-0}" 0 1 2 && ! use prefix && ED=${D}
150 --copy-prefix="${D}/usr" \ 330
331 set -- copy --destdir="${D}" "$@"
332 echo ./setup "$@"
151 || die "setup copy failed" 333 ./setup "$@" || die "setup copy failed"
152 334
153 # cabal is a bit eager about creating dirs, 335 # cabal is a bit eager about creating dirs,
154 # so remove them if they are empty 336 # so remove them if they are empty
155 rmdir "${D}/usr/bin" 2> /dev/null 337 rmdir "${ED}/usr/bin" 2> /dev/null
156 338
157 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has 339 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has
158 # no workaround. 340 # no workaround.
159 # set the +x permission on executables 341 # set the +x permission on executables
160 if [[ -d "${D}/usr/bin" ]] ; then 342 if [[ -d "${ED}/usr/bin" ]] ; then
161 chmod +x "${D}/usr/bin/"* 343 chmod +x "${ED}/usr/bin/"*
162 fi 344 fi
345 # TODO: do we still need this?
163} 346}
164 347
165cabal-pkg() { 348cabal-pkg() {
166 # This does not actually register since we're using /usr/bin/true instead 349 # This does not actually register since we're using true instead
167 # of ghc-pkg. So it just leaves the .installed-pkg-config and we can 350 # of ghc-pkg. So it just leaves the .installed-pkg-config and we can
168 # register that ourselves (if it exists). 351 # register that ourselves (if it exists).
169 local result 352 local result
170 local err 353 local err
171 354
172 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then 355 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then
173 sed -i 's:ghc-pkg:/usr/bin/true:' .setup-config 356 if version_is_at_least "1.2.0" "$(cabal-version)"; then
174 ./setup register || die "setup register failed" 357 # Newer cabal can generate a package conf for us:
175 if [[ -f .installed-pkg-config ]]; then 358 ./setup register --gen-pkg-config="${T}/${P}.conf"
176 ghc-setup-pkg .installed-pkg-config 359 ghc-setup-pkg "${T}/${P}.conf"
177 ghc-install-pkg 360 ghc-install-pkg
178 else 361 else
362 # With older cabal we have to hack it by replacing its ghc-pkg
363 # with true and then just picking up the .installed-pkg-config
364 # file and registering that ourselves (if it exists).
365 sed -i "s|$(ghc-getghcpkg)|$(type -P true)|" .setup-config
366 ./setup register || die "setup register failed"
367 if [[ -f .installed-pkg-config ]]; then
368 ghc-setup-pkg .installed-pkg-config
369 ghc-install-pkg
370 else
179 die "setup register has not generated a package configuration file" 371 die "setup register has not generated a package configuration file"
372 fi
180 fi 373 fi
181 fi 374 fi
375}
376
377# Some cabal libs are bundled along with some versions of ghc
378# eg filepath-1.0 comes with ghc-6.6.1
379# by putting CABAL_CORE_LIB_GHC_PV="6.6.1" in an ebuild we are declaring that
380# when building with this version of ghc, the ebuild is a dummy that is it will
381# install no files since the package is already included with ghc.
382# However portage still records the dependency and we can upgrade the package
383# to a later one that's not included with ghc.
384# You can also put a space separated list, eg CABAL_CORE_LIB_GHC_PV="6.6 6.6.1".
385cabal-is-dummy-lib() {
386 for version in ${CABAL_CORE_LIB_GHC_PV[*]}; do
387 [[ "$(ghc-version)" == "$version" ]] && return 0
388 done
389 return 1
182} 390}
183 391
184# exported function: check if cabal is correctly installed for 392# exported function: check if cabal is correctly installed for
185# the currently active ghc (we cannot guarantee this with portage) 393# the currently active ghc (we cannot guarantee this with portage)
186haskell-cabal_pkg_setup() { 394haskell-cabal_pkg_setup() {
187 if [[ -z "${CABAL_BOOTSTRAP}" ]] && ! ghc-sanecabal "1.1.3"; then 395 ghc-package_pkg_setup
396 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
188 eerror "The package dev-haskell/cabal is not correctly installed for" 397 eerror "The package dev-haskell/cabal is not correctly installed for"
189 eerror "the currently active version of ghc ($(ghc-version)). Please" 398 eerror "the currently active version of ghc ($(ghc-version)). Please"
190 eerror "run ghc-updater or re-emerge dev-haskell/cabal." 399 eerror "run ghc-updater or haskell-updater or re-build dev-haskell/cabal."
191 die "cabal is not correctly installed" 400 die "cabal is not correctly installed"
192 fi 401 fi
193 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then 402 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then
194 eerror "QA: Neither bin nor lib are in CABAL_FEATURES." 403 eerror "QA: Neither bin nor lib are in CABAL_FEATURES."
195 fi 404 fi
196 if [[ -n "${CABAL_UNKNOWN}" ]]; then 405 if [[ -n "${CABAL_UNKNOWN}" ]]; then
197 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNONW}" 406 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}"
198 fi 407 fi
408 if cabal-is-dummy-lib; then
409 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
410 fi
411}
412
413haskell-cabal_src_configure() {
414 if ! cabal-is-dummy-lib; then
415 pushd "${S}" > /dev/null
416
417 cabal-bootstrap
418
419 cabal-configure "$@"
420
421 popd > /dev/null
422 fi
423}
424
425# exported function: nice alias
426cabal_src_configure() {
427 haskell-cabal_src_configure "$@"
199} 428}
200 429
201# exported function: cabal-style bootstrap configure and compile 430# exported function: cabal-style bootstrap configure and compile
202cabal_src_compile() { 431cabal_src_compile() {
203 cabal-bootstrap 432 # it's a common mistake when one bumps ebuild to EAPI="2" (and upper)
204 cabal-configure 433 # and forgets to separate src_compile() to src_configure()/src_compile().
434 # Such error leads to default src_configure and we lose all passed flags.
435 if ! has "${EAPI:-0}" 0 1; then
436 local passed_flag
437 for passed_flag in "$@"; do
438 [[ ${passed_flag} == --flags=* ]] && \
439 eqawarn "Cabal option '${passed_flag}' has effect only in src_configure()"
440 done
441 fi
442
443 if ! cabal-is-dummy-lib; then
444 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
205 cabal-build 445 cabal-build
206 446
207 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 447 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
448 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
449 # hscolour and haddock
450 cabal-hscolour-haddock
451 else
452 # just haddock
208 cabal-haddock 453 cabal-haddock
454 fi
455 else
456 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
457 # just hscolour
458 cabal-hscolour
459 fi
209 fi 460 fi
461 fi
210} 462}
463
211haskell-cabal_src_compile() { 464haskell-cabal_src_compile() {
465 pushd "${S}" > /dev/null
466
212 cabal_src_compile 467 cabal_src_compile "$@"
468
469 popd > /dev/null
470}
471
472haskell-cabal_src_test() {
473 pushd "${S}" > /dev/null
474
475 if cabal-is-dummy-lib; then
476 einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}"
477 else
478 einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}"
479 set -- test "$@"
480 echo ./setup "$@"
481 ./setup "$@" || die "cabal test failed"
482 fi
483
484 popd > /dev/null
213} 485}
214 486
215# exported function: cabal-style copy and register 487# exported function: cabal-style copy and register
216cabal_src_install() { 488cabal_src_install() {
489 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
490
491 if cabal-is-dummy-lib; then
492 # create a dummy local package conf file for the sake of ghc-updater
493 local ghc_confdir_with_prefix="$(ghc-confdir)"
494 # remove EPREFIX
495 dodir ${ghc_confdir_with_prefix#${EPREFIX}}
496 echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
497 else
217 cabal-copy 498 cabal-copy
218 cabal-pkg 499 cabal-pkg
219 500
220 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 501 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
502 if ! version_is_at_least "1.1.6" "$(cabal-version)"; then
221 dohtml dist/doc/html/* 503 dohtml -r dist/doc/html/*
504 fi
222 fi 505 fi
506 fi
223} 507}
508
224haskell-cabal_src_install() { 509haskell-cabal_src_install() {
510 pushd "${S}" > /dev/null
511
225 cabal_src_install 512 cabal_src_install
226}
227 513
228EXPORT_FUNCTIONS pkg_setup src_compile src_install 514 popd > /dev/null
515}
516
517# ebuild.sh:use_enable() taken as base
518#
519# Usage examples:
520#
521# CABAL_CONFIGURE_FLAGS=$(cabal_flag gui)
522# leads to "--flags=gui" or "--flags=-gui" (useflag 'gui')
523#
524# CABAL_CONFIGURE_FLAGS=$(cabal_flag gtk gui)
525# also leads to "--flags=gui" or " --flags=-gui" (useflag 'gtk')
526#
527cabal_flag() {
528 if [[ -z "$1" ]]; then
529 echo "!!! cabal_flag() called without a parameter." >&2
530 echo "!!! cabal_flag() <USEFLAG> [<cabal_flagname>]" >&2
531 return 1
532 fi
533
534 local UWORD=${2:-$1}
535
536 if use "$1"; then
537 echo "--flags=${UWORD}"
538 else
539 echo "--flags=-${UWORD}"
540 fi
541
542 return 0
543}

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