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Revision 1.5 Revision 1.26
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 1.26 2012/01/20 18:24:09 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: 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: ${GHC_BOOTSTRAP_FLAGS:=}
62
63HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install"
64
65case "${EAPI:-0}" in
66 2|3|4) HASKELL_CABAL_EXPF+=" src_configure" ;;
67 *) ;;
68esac
69
70EXPORT_FUNCTIONS ${HASKELL_CABAL_EXPF}
42 71
43for feature in ${CABAL_FEATURES}; do 72for feature in ${CABAL_FEATURES}; do
44 case ${feature} in 73 case ${feature} in
45 haddock) CABAL_USE_HADDOCK=yes;; 74 haddock) CABAL_USE_HADDOCK=yes;;
75 hscolour) CABAL_USE_HSCOLOUR=yes;;
76 hoogle) CABAL_USE_HOOGLE=yes;;
46 alex) CABAL_USE_ALEX=yes;; 77 alex) CABAL_USE_ALEX=yes;;
47 happy) CABAL_USE_HAPPY=yes;; 78 happy) CABAL_USE_HAPPY=yes;;
48 c2hs) CABAL_USE_C2HS=yes;; 79 c2hs) CABAL_USE_C2HS=yes;;
49 cpphs) CABAL_USE_CPPHS=yes;; 80 cpphs) CABAL_USE_CPPHS=yes;;
50 profile) CABAL_USE_PROFILE=yes;; 81 profile) CABAL_USE_PROFILE=yes;;
51 bootstrap) CABAL_BOOTSTRAP=yes;; 82 bootstrap) CABAL_BOOTSTRAP=yes;;
52 bin) CABAL_HAS_BINARIES=yes;; 83 bin) CABAL_HAS_BINARIES=yes;;
53 lib) CABAL_HAS_LIBRARIES=yes;; 84 lib) CABAL_HAS_LIBRARIES=yes;;
85 nocabaldep) CABAL_FROM_GHC=yes;;
54 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";; 86 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";;
55 esac 87 esac
56done 88done
57 89
58if [[ -n "${CABAL_USE_HADDOCK}" ]]; then 90if [[ -n "${CABAL_USE_HADDOCK}" ]]; then
59 IUSE="${IUSE} doc" 91 IUSE="${IUSE} doc"
60 DEPEND="${DEPEND} doc? ( dev-haskell/haddock )" 92 DEPEND="${DEPEND} doc? ( dev-haskell/haddock )"
61 cabalconf="${cabalconf} --with-haddock=/usr/bin/haddock" 93fi
94
95if [[ -n "${CABAL_USE_HSCOLOUR}" ]]; then
96 IUSE="${IUSE} hscolour"
97 DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )"
62fi 98fi
63 99
64if [[ -n "${CABAL_USE_ALEX}" ]]; then 100if [[ -n "${CABAL_USE_ALEX}" ]]; then
65 DEPEND="${DEPEND} dev-haskell/alex" 101 DEPEND="${DEPEND} dev-haskell/alex"
66 cabalconf="${cabalconf} --with-alex=/usr/bin/alex"
67fi 102fi
68 103
69if [[ -n "${CABAL_USE_HAPPY}" ]]; then 104if [[ -n "${CABAL_USE_HAPPY}" ]]; then
70 DEPEND="${DEPEND} dev-haskell/happy" 105 DEPEND="${DEPEND} dev-haskell/happy"
71 cabalconf="${cabalconf} --with-happy=/usr/bin/happy"
72fi 106fi
73 107
74if [[ -n "${CABAL_USE_C2HS}" ]]; then 108if [[ -n "${CABAL_USE_C2HS}" ]]; then
75 DEPEND="${DEPEND} dev-haskell/c2hs" 109 DEPEND="${DEPEND} dev-haskell/c2hs"
76 cabalconf="${cabalconf} --with-c2hs=/usr/bin/c2hs"
77fi 110fi
78 111
79if [[ -n "${CABAL_USE_CPPHS}" ]]; then 112if [[ -n "${CABAL_USE_CPPHS}" ]]; then
80 DEPEND="${DEPEND} dev-haskell/cpphs" 113 DEPEND="${DEPEND} dev-haskell/cpphs"
81 cabalconf="${cabalconf} --with-cpphs=/usr/bin/cpphs"
82fi 114fi
83 115
84if [[ -n "${CABAL_USE_PROFILE}" ]]; then 116if [[ -n "${CABAL_USE_PROFILE}" ]]; then
85 IUSE="${IUSE} profile" 117 IUSE="${IUSE} profile"
86fi 118fi
87 119
88# We always use a standalone version of Cabal, rather than the one that comes 120# We always use a standalone version of Cabal, rather than the one that comes
89# with GHC. But of course we can't depend on cabal when building cabal itself. 121# with GHC. But of course we can't depend on cabal when building cabal itself.
90if [[ -z "${CABAL_BOOTSTRAP}" ]]; then 122if [[ -z ${CABAL_MIN_VERSION} ]]; then
123 CABAL_MIN_VERSION=1.1.4
124fi
125if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]]; then
91 DEPEND="${DEPEND} >=dev-haskell/cabal-1.1.3" 126 DEPEND="${DEPEND} >=dev-haskell/cabal-${CABAL_MIN_VERSION}"
92fi 127fi
93 128
94# Libraries require GHC to be installed. 129# Libraries require GHC to be installed.
95if [[ -n "${CABAL_HAS_LIBRARIES}" ]]; then 130if [[ -n "${CABAL_HAS_LIBRARIES}" ]]; then
96 RDEPEND="${RDEPEND} virtual/ghc" 131 RDEPEND="${RDEPEND} dev-lang/ghc"
132fi
133
134# returns the version of cabal currently in use
135_CABAL_VERSION_CACHE=""
136cabal-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="${PV}"
142 elif [[ "${CABAL_FROM_GHC}" ]]; then
143 local cabal_package=$(echo "$(ghc-libdir)"/Cabal-*)
144 # /path/to/ghc/Cabal-${VER} -> ${VER}
145 _CABAL_VERSION_CACHE="${cabal_package/*Cabal-/}"
146 else
147 # We ask portage, not ghc, so that we only pick up
148 # portage-installed cabal versions.
149 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)"
150 fi
97fi 151 fi
152 echo "${_CABAL_VERSION_CACHE}"
153}
98 154
99cabal-bootstrap() { 155cabal-bootstrap() {
100 local setupmodule 156 local setupmodule
101 local cabalversion 157 local cabalpackage
102 if [[ -f "${S}/Setup.lhs" ]]; then 158 if [[ -f "${S}/Setup.lhs" ]]; then
103 setupmodule="${S}/Setup.lhs" 159 setupmodule="${S}/Setup.lhs"
104 else 160 else
105 if [[ -f "${S}/Setup.hs" ]]; then 161 if [[ -f "${S}/Setup.hs" ]]; then
106 setupmodule="${S}/Setup.hs" 162 setupmodule="${S}/Setup.hs"
109 fi 165 fi
110 fi 166 fi
111 167
112 # We build the setup program using the latest version of 168 # We build the setup program using the latest version of
113 # cabal that we have installed 169 # cabal that we have installed
114 cabalversion=$(ghc-bestcabalversion) 170 if version_is_at_least "6.4" "$(ghc-version)"; then
171 cabalpackage=Cabal-$(cabal-version)
172 else
173 # older ghc's don't support package versioning
174 cabalpackage=Cabal
175 fi
115 einfo "Using ${cabalversion}." 176 einfo "Using cabal-$(cabal-version)."
116 $(ghc-getghc) -package "${cabalversion}" --make "${setupmodule}" -o setup \ 177
178 make_setup() {
179 set -- -package "${cabalpackage}" --make "${setupmodule}" \
180 ${GHC_BOOTSTRAP_FLAGS} \
181 "$@" \
182 -o setup
183 echo $(ghc-getghc) "$@"
184 $(ghc-getghc) "$@"
185 }
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
117 || die "compiling ${setupmodule} failed" 191 make_setup "$@" || die "compiling ${setupmodule} failed"
192 fi
193}
194
195cabal-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 > $setupdir/Setup.hs
208}
209
210cabal-hscolour() {
211 set -- hscolour "$@"
212 echo ./setup "$@"
213 ./setup "$@" || die "setup hscolour failed"
118} 214}
119 215
120cabal-haddock() { 216cabal-haddock() {
121 ./setup haddock || die "setup haddock failed" 217 set -- haddock "$@"
218 echo ./setup "$@"
219 ./setup "$@" || die "setup haddock failed"
220}
221
222cabal-hscolour-haddock() {
223 # --hyperlink-source implies calling 'setup hscolour'
224 set -- haddock --hyperlink-source
225 echo ./setup "$@"
226 ./setup "$@" --hyperlink-source || die "setup haddock --hyperlink-source failed"
122} 227}
123 228
124cabal-configure() { 229cabal-configure() {
230 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
231
232 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
233 cabalconf="${cabalconf} --with-haddock=${EPREFIX}/usr/bin/haddock"
234 fi
125 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then 235 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then
126 cabalconf="${cabalconf} --enable-executable-profiling";
127 cabalconf="${cabalconf} --enable-library-profiling" 236 cabalconf="${cabalconf} --enable-library-profiling"
128 fi 237 fi
129 # Don't build GHCi libs for arches that do not support GHCi. 238 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
130 # Also building GHCi libs on ppc64 causes "TOC overflow". 253 # Building GHCi libs on ppc64 causes "TOC overflow".
131 if use alpha || use ppc64; then 254 if use ppc64; then
132 cabalconf="${cabalconf} --disable-library-for-ghci" 255 cabalconf="${cabalconf} --disable-library-for-ghci"
133 fi 256 fi
134 257
258 # 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$flag"; done
262
263 if version_is_at_least "1.4" "$(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="${cabalconf} --disable-executable-stripping"
271 fi
272
273 if version_is_at_least "1.2.0" "$(cabal-version)"; then
274 cabalconf="${cabalconf} --docdir=${EPREFIX}/usr/share/doc/${PF}"
275 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes
276 # it's better if the configure chatter is in the build logs:
277 cabalconf="${cabalconf} --verbose"
278 fi
279 # Note: with Cabal-1.1.6.x we do not have enough control
280 # 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 # 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
135 ./setup configure \ 291 set -- configure \
136 --ghc --prefix=/usr \ 292 --ghc --prefix="${EPREFIX}"/usr \
137 --with-compiler="$(ghc-getghc)" \ 293 --with-compiler="$(ghc-getghc)" \
138 --with-hc-pkg="$(ghc-getghcpkg)" \ 294 --with-hc-pkg="$(ghc-getghcpkg)" \
295 --prefix="${EPREFIX}"/usr \
296 --libdir="${EPREFIX}"/usr/$(get_libdir) \
297 --libsubdir=${P}/ghc-$(ghc-version) \
298 --datadir="${EPREFIX}"/usr/share/ \
299 --datasubdir=${P}/ghc-$(ghc-version) \
139 ${cabalconf} \ 300 ${cabalconf} \
301 ${CABAL_CONFIGURE_FLAGS} \
302 ${CABAL_EXTRA_CONFIGURE_FLAGS} \
303 "$@"
304 echo ./setup "$@"
140 "$@" || die "setup configure failed" 305 ./setup "$@" || die "setup configure failed"
141} 306}
142 307
143cabal-build() { 308cabal-build() {
144 ./setup build \ 309 unset LANG LC_ALL LC_MESSAGES
310 set -- build "$@"
311 echo ./setup "$@"
312 ./setup "$@" \
145 || die "setup build failed" 313 || die "setup build failed"
146} 314}
147 315
148cabal-copy() { 316cabal-copy() {
149 ./setup copy \ 317 has "${EAPI:-0}" 0 1 2 && ! use prefix && ED=${D}
150 --copy-prefix="${D}/usr" \ 318
319 set -- copy --destdir="${D}" "$@"
320 echo ./setup "$@"
151 || die "setup copy failed" 321 ./setup "$@" || die "setup copy failed"
152 322
153 # cabal is a bit eager about creating dirs, 323 # cabal is a bit eager about creating dirs,
154 # so remove them if they are empty 324 # so remove them if they are empty
155 rmdir "${D}/usr/bin" 2> /dev/null 325 rmdir "${ED}/usr/bin" 2> /dev/null
156 326
157 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has 327 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has
158 # no workaround. 328 # no workaround.
159 # set the +x permission on executables 329 # set the +x permission on executables
160 if [[ -d "${D}/usr/bin" ]] ; then 330 if [[ -d "${ED}/usr/bin" ]] ; then
161 chmod +x "${D}/usr/bin/"* 331 chmod +x "${ED}/usr/bin/"*
162 fi 332 fi
333 # TODO: do we still need this?
163} 334}
164 335
165cabal-pkg() { 336cabal-pkg() {
166 # This does not actually register since we're using /usr/bin/true instead 337 # 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 338 # of ghc-pkg. So it just leaves the .installed-pkg-config and we can
168 # register that ourselves (if it exists). 339 # register that ourselves (if it exists).
169 local result 340 local result
170 local err 341 local err
171 342
172 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then 343 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then
173 sed -i 's:ghc-pkg:/usr/bin/true:' .setup-config 344 if version_is_at_least "1.2.0" "$(cabal-version)"; then
174 ./setup register || die "setup register failed" 345 # Newer cabal can generate a package conf for us:
175 if [[ -f .installed-pkg-config ]]; then 346 ./setup register --gen-pkg-config="${T}/${P}.conf"
176 ghc-setup-pkg .installed-pkg-config 347 ghc-setup-pkg "${T}/${P}.conf"
177 ghc-install-pkg 348 ghc-install-pkg
178 else 349 else
350 # 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
179 die "setup register has not generated a package configuration file" 359 die "setup register has not generated a package configuration file"
360 fi
180 fi 361 fi
181 fi 362 fi
363}
364
365# 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".
373cabal-is-dummy-lib() {
374 for version in ${CABAL_CORE_LIB_GHC_PV[*]}; do
375 [[ "$(ghc-version)" == "$version" ]] && return 0
376 done
377 return 1
182} 378}
183 379
184# exported function: check if cabal is correctly installed for 380# exported function: check if cabal is correctly installed for
185# the currently active ghc (we cannot guarantee this with portage) 381# the currently active ghc (we cannot guarantee this with portage)
186haskell-cabal_pkg_setup() { 382haskell-cabal_pkg_setup() {
187 if [[ -z "${CABAL_BOOTSTRAP}" ]] && ! ghc-sanecabal "1.1.3"; then 383 ghc-package_pkg_setup
384 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
188 eerror "The package dev-haskell/cabal is not correctly installed for" 385 eerror "The package dev-haskell/cabal is not correctly installed for"
189 eerror "the currently active version of ghc ($(ghc-version)). Please" 386 eerror "the currently active version of ghc ($(ghc-version)). Please"
190 eerror "run ghc-updater or re-emerge dev-haskell/cabal." 387 eerror "run ghc-updater or haskell-updater or re-build dev-haskell/cabal."
191 die "cabal is not correctly installed" 388 die "cabal is not correctly installed"
192 fi 389 fi
193 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then 390 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then
194 eerror "QA: Neither bin nor lib are in CABAL_FEATURES." 391 eerror "QA: Neither bin nor lib are in CABAL_FEATURES."
195 fi 392 fi
196 if [[ -n "${CABAL_UNKNOWN}" ]]; then 393 if [[ -n "${CABAL_UNKNOWN}" ]]; then
197 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNONW}" 394 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}"
198 fi 395 fi
396 if cabal-is-dummy-lib; then
397 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
398 fi
399}
400
401haskell-cabal_src_configure() {
402 if ! cabal-is-dummy-lib; then
403 pushd "${S}" > /dev/null
404
405 cabal-bootstrap
406
407 cabal-configure $ghc_flags "$@"
408
409 popd > /dev/null
410 fi
411}
412
413# exported function: nice alias
414cabal_src_configure() {
415 haskell-cabal_src_configure "$@"
199} 416}
200 417
201# exported function: cabal-style bootstrap configure and compile 418# exported function: cabal-style bootstrap configure and compile
202cabal_src_compile() { 419cabal_src_compile() {
203 cabal-bootstrap 420 # it's a common mistake when one bumps ebuild to EAPI="2" (and upper)
204 cabal-configure 421 # and forgets to separate src_compile() to src_configure()/src_compile().
422 # Such error leads to default src_configure and we lose all passed flags.
423 if ! has "${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 if ! cabal-is-dummy-lib; then
432 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
205 cabal-build 433 cabal-build
206 434
207 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 435 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
436 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
437 # hscolour and haddock
438 cabal-hscolour-haddock
439 else
440 # just haddock
208 cabal-haddock 441 cabal-haddock
442 fi
443 else
444 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
445 # just hscolour
446 cabal-hscolour
447 fi
209 fi 448 fi
449 fi
210} 450}
451
211haskell-cabal_src_compile() { 452haskell-cabal_src_compile() {
453 pushd "${S}" > /dev/null
454
212 cabal_src_compile 455 cabal_src_compile "$@"
456
457 popd > /dev/null
458}
459
460haskell-cabal_src_test() {
461 pushd "${S}" > /dev/null
462
463 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 set -- test "$@"
468 echo ./setup "$@"
469 ./setup "$@" || die "cabal test failed"
470 fi
471
472 popd > /dev/null
213} 473}
214 474
215# exported function: cabal-style copy and register 475# exported function: cabal-style copy and register
216cabal_src_install() { 476cabal_src_install() {
477 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
478
479 if cabal-is-dummy-lib; then
480 # create a dummy local package conf file for the sake of ghc-updater
481 local ghc_confdir_with_prefix="$(ghc-confdir)"
482 # remove EPREFIX
483 dodir ${ghc_confdir_with_prefix#${EPREFIX}}
484 echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
485 else
217 cabal-copy 486 cabal-copy
218 cabal-pkg 487 cabal-pkg
219 488
220 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 489 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
490 if ! version_is_at_least "1.1.6" "$(cabal-version)"; then
221 dohtml dist/doc/html/* 491 dohtml -r dist/doc/html/*
492 fi
222 fi 493 fi
494 fi
223} 495}
496
224haskell-cabal_src_install() { 497haskell-cabal_src_install() {
498 pushd "${S}" > /dev/null
499
225 cabal_src_install 500 cabal_src_install
226}
227 501
228EXPORT_FUNCTIONS pkg_setup src_compile src_install 502 popd > /dev/null
503}
504
505# ebuild.sh:use_enable() taken as base
506#
507# Usage examples:
508#
509# CABAL_CONFIGURE_FLAGS=$(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#
515cabal_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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