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1# Copyright 1999-2006 Gentoo Foundation 1# Copyright 1999-2012 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/haskell-cabal.eclass,v 1.20 2010/03/30 22:18:37 kolmodin Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/haskell-cabal.eclass,v 1.30 2012/04/14 19:30:53 slyfox Exp $
4# 4
5# @ECLASS: haskell-cabal.eclass
6# @MAINTAINER:
7# Haskell herd <haskell@gentoo.org>
8# @AUTHOR:
5# Original authors: Andres Loeh <kosmikus@gentoo.org> 9# Original author: Andres Loeh <kosmikus@gentoo.org>
6# Duncan Coutts <dcoutts@gentoo.org> 10# Original author: Duncan Coutts <dcoutts@gentoo.org>
7# Maintained by: Haskell herd <haskell@gentoo.org> 11# @BLURB: for packages that make use of the Haskell Common Architecture for Building Applications and Libraries (cabal)
8# 12# @DESCRIPTION:
9# This eclass is for packages that make use of the
10# Haskell Common Architecture for Building Applications
11# and Libraries (cabal).
12#
13# Basic instructions: 13# Basic instructions:
14# 14#
15# Before inheriting the eclass, set CABAL_FEATURES to 15# Before inheriting the eclass, set CABAL_FEATURES to
16# reflect the tools and features that the package makes 16# reflect the tools and features that the package makes
17# use of. 17# use of.
18# 18#
19# Currently supported features: 19# Currently supported features:
20# haddock -- for documentation generation 20# haddock -- for documentation generation
21# hscolour -- generation of colourised sources
21# alex -- lexer/scanner generator 22# alex -- lexer/scanner generator
22# happy -- parser generator 23# happy -- parser generator
23# c2hs -- C interface generator 24# c2hs -- C interface generator
24# cpphs -- C preprocessor clone written in Haskell 25# cpphs -- C preprocessor clone written in Haskell
25# profile -- if package supports to build profiling-enabled libraries 26# profile -- if package supports to build profiling-enabled libraries
26# bootstrap -- only used for the cabal package itself 27# bootstrap -- only used for the cabal package itself
27# bin -- the package installs binaries 28# bin -- the package installs binaries
28# lib -- the package installs libraries 29# lib -- the package installs libraries
29# nocabaldep -- don't add dependency on cabal. 30# nocabaldep -- don't add dependency on cabal.
30# only used for packages that _must_ not pull the dependency 31# only used for packages that _must_ not pull the dependency
31# on cabal, but still use this eclass (e.g. haskell-updater). 32# on cabal, but still use this eclass (e.g. haskell-updater).
32#
33# Dependencies on other cabal packages have to be specified
34# correctly.
35#
36# Cabal libraries should usually be SLOTted with "${PV}".
37#
38# Many Cabal packages require S to be manually set.
39#
40# Conforming Cabal packages don't require any function definitions
41# in the ebuild.
42#
43# Special flags to Cabal Configure can now be set by using
44# CABAL_CONFIGURE_FLAGS
45 33
46inherit ghc-package multilib 34inherit ghc-package multilib
35
36# @ECLASS-VARIABLE: CABAL_EXTRA_CONFIGURE_FLAGS
37# @DESCRIPTION:
38# User-specified additional parameters passed to 'setup configure'.
39# example: /etc/make.conf: CABAL_EXTRA_CONFIGURE_FLAGS=--enable-shared
40: ${CABAL_EXTRA_CONFIGURE_FLAGS:=}
41
42# @ECLASS-VARIABLE: CABAL_EXTRA_BUILD_FLAGS
43# @DESCRIPTION:
44# User-specified additional parameters passed to 'setup build'.
45# example: /etc/make.conf: CABAL_EXTRA_BUILD_FLAGS=-v
46: ${CABAL_EXTRA_BUILD_FLAGS:=}
47
48# @ECLASS-VARIABLE: GHC_BOOTSTRAP_FLAGS
49# @DESCRIPTION:
50# User-specified additional parameters for ghc when building
51# _only_ 'setup' binary bootstrap.
52# example: /etc/make.conf: GHC_BOOTSTRAP_FLAGS=-dynamic to make
53# linking 'setup' faster.
54: ${GHC_BOOTSTRAP_FLAGS:=}
47 55
48HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install" 56HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install"
49 57
50case "${EAPI:-0}" in 58case "${EAPI:-0}" in
51 2|3|4) HASKELL_CABAL_EXPF+=" src_configure" ;; 59 2|3|4) HASKELL_CABAL_EXPF+=" src_configure" ;;
55EXPORT_FUNCTIONS ${HASKELL_CABAL_EXPF} 63EXPORT_FUNCTIONS ${HASKELL_CABAL_EXPF}
56 64
57for feature in ${CABAL_FEATURES}; do 65for feature in ${CABAL_FEATURES}; do
58 case ${feature} in 66 case ${feature} in
59 haddock) CABAL_USE_HADDOCK=yes;; 67 haddock) CABAL_USE_HADDOCK=yes;;
68 hscolour) CABAL_USE_HSCOLOUR=yes;;
69 hoogle) CABAL_USE_HOOGLE=yes;;
60 alex) CABAL_USE_ALEX=yes;; 70 alex) CABAL_USE_ALEX=yes;;
61 happy) CABAL_USE_HAPPY=yes;; 71 happy) CABAL_USE_HAPPY=yes;;
62 c2hs) CABAL_USE_C2HS=yes;; 72 c2hs) CABAL_USE_C2HS=yes;;
63 cpphs) CABAL_USE_CPPHS=yes;; 73 cpphs) CABAL_USE_CPPHS=yes;;
64 profile) CABAL_USE_PROFILE=yes;; 74 profile) CABAL_USE_PROFILE=yes;;
70 esac 80 esac
71done 81done
72 82
73if [[ -n "${CABAL_USE_HADDOCK}" ]]; then 83if [[ -n "${CABAL_USE_HADDOCK}" ]]; then
74 IUSE="${IUSE} doc" 84 IUSE="${IUSE} doc"
85 # don't require depend on itself to build docs.
86 # ebuild bootstraps docs from just built binary
87 [[ ${CATEGORY}/${PN} = "dev-haskell/haddock" ]] || DEPEND="${DEPEND} doc? ( dev-haskell/haddock )"
88fi
89
90if [[ -n "${CABAL_USE_HSCOLOUR}" ]]; then
91 IUSE="${IUSE} hscolour"
75 DEPEND="${DEPEND} doc? ( dev-haskell/haddock )" 92 DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )"
76fi 93fi
77 94
78if [[ -n "${CABAL_USE_ALEX}" ]]; then 95if [[ -n "${CABAL_USE_ALEX}" ]]; then
79 DEPEND="${DEPEND} dev-haskell/alex" 96 DEPEND="${DEPEND} dev-haskell/alex"
80 cabalconf="${cabalconf} --with-alex=/usr/bin/alex"
81fi 97fi
82 98
83if [[ -n "${CABAL_USE_HAPPY}" ]]; then 99if [[ -n "${CABAL_USE_HAPPY}" ]]; then
84 DEPEND="${DEPEND} dev-haskell/happy" 100 DEPEND="${DEPEND} dev-haskell/happy"
85 cabalconf="${cabalconf} --with-happy=/usr/bin/happy"
86fi 101fi
87 102
88if [[ -n "${CABAL_USE_C2HS}" ]]; then 103if [[ -n "${CABAL_USE_C2HS}" ]]; then
89 DEPEND="${DEPEND} dev-haskell/c2hs" 104 DEPEND="${DEPEND} dev-haskell/c2hs"
90 cabalconf="${cabalconf} --with-c2hs=/usr/bin/c2hs"
91fi 105fi
92 106
93if [[ -n "${CABAL_USE_CPPHS}" ]]; then 107if [[ -n "${CABAL_USE_CPPHS}" ]]; then
94 DEPEND="${DEPEND} dev-haskell/cpphs" 108 DEPEND="${DEPEND} dev-haskell/cpphs"
95 cabalconf="${cabalconf} --with-cpphs=/usr/bin/cpphs"
96fi 109fi
97 110
98if [[ -n "${CABAL_USE_PROFILE}" ]]; then 111if [[ -n "${CABAL_USE_PROFILE}" ]]; then
99 IUSE="${IUSE} profile" 112 IUSE="${IUSE} profile"
100fi 113fi
120 if [[ "${CABAL_BOOTSTRAP}" ]]; then 133 if [[ "${CABAL_BOOTSTRAP}" ]]; then
121 # We're bootstrapping cabal, so the cabal version is the version 134 # We're bootstrapping cabal, so the cabal version is the version
122 # of this package itself. 135 # of this package itself.
123 _CABAL_VERSION_CACHE="${PV}" 136 _CABAL_VERSION_CACHE="${PV}"
124 elif [[ "${CABAL_FROM_GHC}" ]]; then 137 elif [[ "${CABAL_FROM_GHC}" ]]; then
125 # We can't assume there's a version of Cabal installed by ebuild as 138 local cabal_package=$(echo "$(ghc-libdir)"/Cabal-*)
126 # this might be a first time install of GHC (for packages that 139 # /path/to/ghc/Cabal-${VER} -> ${VER}
127 # use the shipped Cabal like haskell-updater). 140 _CABAL_VERSION_CACHE="${cabal_package/*Cabal-/}"
128
129 # The user is likely to only have one version of Cabal, provided
130 # by GHC. Note that dev-haskell/cabal can be a dummy package, only
131 # using the version provided by GHC. If the user has another version
132 # of Cabal too (more recent than the one GHC provides through
133 # dev-haskell/cabal, or possibly older if he used an old
134 # Cabal package) the most recent is used (expected to be the last
135 # one in the ghc-pkg output).
136 _CABAL_VERSION_CACHE="$(ghc-pkg field Cabal version | tail -n 1)"
137
138 # Strip out the "version: " prefix
139 _CABAL_VERSION_CACHE="${_CABAL_VERSION_CACHE#"version: "}"
140 else 141 else
141 # We ask portage, not ghc, so that we only pick up 142 # We ask portage, not ghc, so that we only pick up
142 # portage-installed cabal versions. 143 # portage-installed cabal versions.
143 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)" 144 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)"
144 fi 145 fi
149cabal-bootstrap() { 150cabal-bootstrap() {
150 local setupmodule 151 local setupmodule
151 local cabalpackage 152 local cabalpackage
152 if [[ -f "${S}/Setup.lhs" ]]; then 153 if [[ -f "${S}/Setup.lhs" ]]; then
153 setupmodule="${S}/Setup.lhs" 154 setupmodule="${S}/Setup.lhs"
154 else
155 if [[ -f "${S}/Setup.hs" ]]; then 155 elif [[ -f "${S}/Setup.hs" ]]; then
156 setupmodule="${S}/Setup.hs" 156 setupmodule="${S}/Setup.hs"
157 else 157 else
158 die "No Setup.lhs or Setup.hs found" 158 die "No Setup.lhs or Setup.hs found"
159 fi
160 fi 159 fi
161 160
162 # We build the setup program using the latest version of 161 # We build the setup program using the latest version of
163 # cabal that we have installed 162 # cabal that we have installed
164 if version_is_at_least "6.4" "$(ghc-version)"; then
165 cabalpackage=Cabal-$(cabal-version) 163 cabalpackage=Cabal-$(cabal-version)
166 else
167 # older ghc's don't support package versioning
168 cabalpackage=Cabal
169 fi
170 einfo "Using cabal-$(cabal-version)." 164 einfo "Using cabal-$(cabal-version)."
165
166 make_setup() {
171 $(ghc-getghc) -package "${cabalpackage}" --make "${setupmodule}" -o setup \ 167 set -- -package "${cabalpackage}" --make "${setupmodule}" \
168 ${GHC_BOOTSTRAP_FLAGS} \
169 "$@" \
170 -o setup
171 echo $(ghc-getghc) ${HCFLAGS} "$@"
172 $(ghc-getghc) "$@"
173 }
174 if $(ghc-supports-shared-libraries); then
175 # # some custom build systems might use external libraries,
176 # # for which we don't have shared libs, so keep static fallback
177 # Disabled '-dynamic' as ghc does not embed RPATH to used extra-libraries:
178 # bug #411789, http://hackage.haskell.org/trac/ghc/ticket/5743#comment:3
179 # make_setup -dynamic "$@" ||
172 || die "compiling ${setupmodule} failed" 180 make_setup "$@" || die "compiling ${setupmodule} failed"
181 else
182 make_setup "$@" || die "compiling ${setupmodule} failed"
183 fi
173} 184}
174 185
175cabal-mksetup() { 186cabal-mksetup() {
176 local setupdir 187 local setupdir
177 188
182 fi 193 fi
183 194
184 rm -f "${setupdir}"/Setup.{lhs,hs} 195 rm -f "${setupdir}"/Setup.{lhs,hs}
185 196
186 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \ 197 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \
187 > $setupdir/Setup.hs 198 > $setupdir/Setup.hs || die "failed to create default Setup.hs"
199}
200
201cabal-hscolour() {
202 set -- hscolour "$@"
203 echo ./setup "$@"
204 ./setup "$@" || die "setup hscolour failed"
188} 205}
189 206
190cabal-haddock() { 207cabal-haddock() {
191 ./setup haddock || die "setup haddock failed" 208 set -- haddock "$@"
209 echo ./setup "$@"
210 ./setup "$@" || die "setup haddock failed"
211}
212
213cabal-hscolour-haddock() {
214 # --hyperlink-source implies calling 'setup hscolour'
215 set -- haddock --hyperlink-source
216 echo ./setup "$@"
217 ./setup "$@" --hyperlink-source || die "setup haddock --hyperlink-source failed"
192} 218}
193 219
194cabal-configure() { 220cabal-configure() {
221 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
222
195 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 223 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
196 cabalconf="${cabalconf} --with-haddock=/usr/bin/haddock" 224 cabalconf="${cabalconf} --with-haddock=${EPREFIX}/usr/bin/haddock"
197 fi 225 fi
198 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then 226 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then
199 cabalconf="${cabalconf} --enable-library-profiling" 227 cabalconf="${cabalconf} --enable-library-profiling"
200 fi 228 fi
229 if [[ -n "${CABAL_USE_ALEX}" ]]; then
230 cabalconf="${cabalconf} --with-alex=${EPREFIX}/usr/bin/alex"
231 fi
232
233 if [[ -n "${CABAL_USE_HAPPY}" ]]; then
234 cabalconf="${cabalconf} --with-happy=${EPREFIX}/usr/bin/happy"
235 fi
236
237 if [[ -n "${CABAL_USE_C2HS}" ]]; then
238 cabalconf="${cabalconf} --with-c2hs=${EPREFIX}/usr/bin/c2hs"
239 fi
240 if [[ -n "${CABAL_USE_CPPHS}" ]]; then
241 cabalconf="${cabalconf} --with-cpphs=${EPREFIX}/usr/bin/cpphs"
242 fi
243
244 local option
245 for option in ${HCFLAGS}
246 do
247 cabalconf+=" --ghc-option=$option"
248 done
249
201 # Building GHCi libs on ppc64 causes "TOC overflow". 250 # Building GHCi libs on ppc64 causes "TOC overflow".
202 if use ppc64; then 251 if use ppc64; then
203 cabalconf="${cabalconf} --disable-library-for-ghci" 252 cabalconf="${cabalconf} --disable-library-for-ghci"
204 fi 253 fi
205 254
206 if version_is_at_least "1.4" "$(cabal-version)"; then 255 # currently cabal does not respect CFLAGS and LDFLAGS on it's own (bug #333217)
256 # so translate LDFLAGS to ghc parameters (without filtering)
257 local flag
258 for flag in $LDFLAGS; do cabalconf="${cabalconf} --ghc-option=-optl$flag"; done
259
207 # disable executable stripping for the executables, as portage will 260 # disable executable stripping for the executables, as portage will
208 # strip by itself, and pre-stripping gives a QA warning. 261 # strip by itself, and pre-stripping gives a QA warning.
209 # cabal versions previous to 1.4 does not strip executables, and does 262 # cabal versions previous to 1.4 does not strip executables, and does
210 # not accept the flag. 263 # not accept the flag.
211 # this fixes numerous bugs, amongst them; 264 # this fixes numerous bugs, amongst them;
212 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494 265 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494
213 cabalconf="${cabalconf} --disable-executable-stripping" 266 cabalconf="${cabalconf} --disable-executable-stripping"
214 fi
215 267
216 if version_is_at_least "1.2.0" "$(cabal-version)"; then
217 cabalconf="${cabalconf} --docdir=/usr/share/doc/${PF}" 268 cabalconf="${cabalconf} --docdir=${EPREFIX}/usr/share/doc/${PF}"
218 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes 269 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes
219 # it's better if the configure chatter is in the build logs: 270 # it's better if the configure chatter is in the build logs:
220 cabalconf="${cabalconf} --verbose" 271 cabalconf="${cabalconf} --verbose"
221 fi
222 # Note: with Cabal-1.1.6.x we do not have enough control
223 # to put the docs into the right place. They're currently going
224 # into /usr/share/${P}/ghc-x.y/doc/
225 # rather than /usr/share/doc/${PF}/
226 # Because we can only set the datadir, not the docdir.
227 272
273 # We build shared version of our Cabal where ghc ships it's shared
274 # version of it. We will link ./setup as dynamic binary againt Cabal later.
275 [[ ${CATEGORY}/${PN} == "dev-haskell/cabal" ]] && \
276 $(ghc-supports-shared-libraries) && \
277 cabalconf="${cabalconf} --enable-shared"
278
228 ./setup configure \ 279 set -- configure \
229 --ghc --prefix=/usr \ 280 --ghc --prefix="${EPREFIX}"/usr \
230 --with-compiler="$(ghc-getghc)" \ 281 --with-compiler="$(ghc-getghc)" \
231 --with-hc-pkg="$(ghc-getghcpkg)" \ 282 --with-hc-pkg="$(ghc-getghcpkg)" \
232 --prefix=/usr \ 283 --prefix="${EPREFIX}"/usr \
233 --libdir=/usr/$(get_libdir) \ 284 --libdir="${EPREFIX}"/usr/$(get_libdir) \
234 --libsubdir=${P}/ghc-$(ghc-version) \ 285 --libsubdir=${P}/ghc-$(ghc-version) \
235 --datadir=/usr/share/ \ 286 --datadir="${EPREFIX}"/usr/share/ \
236 --datasubdir=${P}/ghc-$(ghc-version) \ 287 --datasubdir=${P}/ghc-$(ghc-version) \
237 ${cabalconf} \ 288 ${cabalconf} \
238 ${CABAL_CONFIGURE_FLAGS} \ 289 ${CABAL_CONFIGURE_FLAGS} \
290 ${CABAL_EXTRA_CONFIGURE_FLAGS} \
291 "$@"
292 echo ./setup "$@"
239 "$@" || die "setup configure failed" 293 ./setup "$@" || die "setup configure failed"
240} 294}
241 295
242cabal-build() { 296cabal-build() {
243 unset LANG LC_ALL LC_MESSAGES 297 unset LANG LC_ALL LC_MESSAGES
244 ./setup build \ 298 set -- build ${CABAL_EXTRA_BUILD_FLAGS} "$@"
299 echo ./setup "$@"
300 ./setup "$@" \
245 || die "setup build failed" 301 || die "setup build failed"
246} 302}
247 303
248cabal-copy() { 304cabal-copy() {
249 ./setup copy \ 305 has "${EAPI:-0}" 0 1 2 && ! use prefix && ED=${D}
250 --destdir="${D}" \ 306
307 set -- copy --destdir="${D}" "$@"
308 echo ./setup "$@"
251 || die "setup copy failed" 309 ./setup "$@" || die "setup copy failed"
252 310
253 # cabal is a bit eager about creating dirs, 311 # cabal is a bit eager about creating dirs,
254 # so remove them if they are empty 312 # so remove them if they are empty
255 rmdir "${D}/usr/bin" 2> /dev/null 313 rmdir "${ED}/usr/bin" 2> /dev/null
256
257 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has
258 # no workaround.
259 # set the +x permission on executables
260 if [[ -d "${D}/usr/bin" ]] ; then
261 chmod +x "${D}/usr/bin/"*
262 fi
263 # TODO: do we still need this?
264} 314}
265 315
266cabal-pkg() { 316cabal-pkg() {
267 # This does not actually register since we're using true instead 317 # This does not actually register since we're using true instead
268 # of ghc-pkg. So it just leaves the .installed-pkg-config and we can 318 # of ghc-pkg. So it just leaves the .conf file and we can
269 # register that ourselves (if it exists). 319 # register that ourselves (if it exists).
270 local result
271 local err
272 320
273 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then 321 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then
274 if version_is_at_least "1.2.0" "$(cabal-version)"; then
275 # Newer cabal can generate a package conf for us: 322 # Newer cabal can generate a package conf for us:
276 ./setup register --gen-pkg-config="${T}/${P}.conf" 323 ./setup register --gen-pkg-config="${T}/${P}.conf"
277 ghc-setup-pkg "${T}/${P}.conf" 324 ghc-setup-pkg "${T}/${P}.conf"
278 ghc-install-pkg 325 ghc-install-pkg
279 else
280 # With older cabal we have to hack it by replacing its ghc-pkg
281 # with true and then just picking up the .installed-pkg-config
282 # file and registering that ourselves (if it exists).
283 sed -i "s|$(ghc-getghcpkg)|$(type -P true)|" .setup-config
284 ./setup register || die "setup register failed"
285 if [[ -f .installed-pkg-config ]]; then
286 ghc-setup-pkg .installed-pkg-config
287 ghc-install-pkg
288 else
289 die "setup register has not generated a package configuration file"
290 fi
291 fi
292 fi 326 fi
293} 327}
294 328
295# Some cabal libs are bundled along with some versions of ghc 329# Some cabal libs are bundled along with some versions of ghc
296# eg filepath-1.0 comes with ghc-6.6.1 330# eg filepath-1.0 comes with ghc-6.6.1
308} 342}
309 343
310# exported function: check if cabal is correctly installed for 344# exported function: check if cabal is correctly installed for
311# the currently active ghc (we cannot guarantee this with portage) 345# the currently active ghc (we cannot guarantee this with portage)
312haskell-cabal_pkg_setup() { 346haskell-cabal_pkg_setup() {
313 ghc-package_pkg_setup
314 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then 347 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
315 eerror "The package dev-haskell/cabal is not correctly installed for" 348 eerror "The package dev-haskell/cabal is not correctly installed for"
316 eerror "the currently active version of ghc ($(ghc-version)). Please" 349 eerror "the currently active version of ghc ($(ghc-version)). Please"
317 eerror "run ghc-updater or haskell-updater or re-build dev-haskell/cabal." 350 eerror "run haskell-updater or re-build dev-haskell/cabal."
318 die "cabal is not correctly installed" 351 die "cabal is not correctly installed"
319 fi 352 fi
320 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then 353 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then
321 eerror "QA: Neither bin nor lib are in CABAL_FEATURES." 354 eqawarn "QA Notice: Neither bin nor lib are in CABAL_FEATURES."
322 fi 355 fi
323 if [[ -n "${CABAL_UNKNOWN}" ]]; then 356 if [[ -n "${CABAL_UNKNOWN}" ]]; then
324 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}" 357 eqawarn "QA Notice: Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}"
325 fi 358 fi
326 if cabal-is-dummy-lib; then 359 if cabal-is-dummy-lib; then
327 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install." 360 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
328 fi 361 fi
329} 362}
330 363
331haskell-cabal_src_configure() { 364haskell-cabal_src_configure() {
365 cabal-is-dummy-lib && return
366
332 pushd "${S}" > /dev/null 367 pushd "${S}" > /dev/null
333 368
334 cabal-bootstrap 369 cabal-bootstrap
370
335 cabal-configure "$@" 371 cabal-configure "$@"
336 372
337 popd > /dev/null 373 popd > /dev/null
338} 374}
339 375
342 haskell-cabal_src_configure "$@" 378 haskell-cabal_src_configure "$@"
343} 379}
344 380
345# exported function: cabal-style bootstrap configure and compile 381# exported function: cabal-style bootstrap configure and compile
346cabal_src_compile() { 382cabal_src_compile() {
347 if ! cabal-is-dummy-lib; then 383 # it's a common mistake when one bumps ebuild to EAPI="2" (and upper)
384 # and forgets to separate src_compile() to src_configure()/src_compile().
385 # Such error leads to default src_configure and we lose all passed flags.
386 if ! has "${EAPI:-0}" 0 1; then
387 local passed_flag
388 for passed_flag in "$@"; do
389 [[ ${passed_flag} == --flags=* ]] && \
390 eqawarn "QA Notice: Cabal option '${passed_flag}' has effect only in src_configure()"
391 done
392 fi
393
394 cabal-is-dummy-lib && return
395
348 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@" 396 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
349 cabal-build 397 cabal-build
350 398
351 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 399 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
400 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
401 # hscolour and haddock
402 cabal-hscolour-haddock
403 else
404 # just haddock
352 cabal-haddock 405 cabal-haddock
353 fi 406 fi
407 else
408 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
409 # just hscolour
410 cabal-hscolour
411 fi
354 fi 412 fi
355} 413}
356 414
357haskell-cabal_src_compile() { 415haskell-cabal_src_compile() {
358 pushd "${S}" > /dev/null 416 pushd "${S}" > /dev/null
367 425
368 if cabal-is-dummy-lib; then 426 if cabal-is-dummy-lib; then
369 einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}" 427 einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}"
370 else 428 else
371 einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}" 429 einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}"
430 set -- test "$@"
431 echo ./setup "$@"
372 ./setup test || die "cabal test failed" 432 ./setup "$@" || die "cabal test failed"
373 fi 433 fi
374 434
375 popd > /dev/null 435 popd > /dev/null
376} 436}
377 437
378# exported function: cabal-style copy and register 438# exported function: cabal-style copy and register
379cabal_src_install() { 439cabal_src_install() {
440 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
441
380 if cabal-is-dummy-lib; then 442 if ! cabal-is-dummy-lib; then
381 # create a dummy local package conf file for the sake of ghc-updater
382 dodir "$(ghc-confdir)"
383 echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
384 else
385 cabal-copy 443 cabal-copy
386 cabal-pkg 444 cabal-pkg
387
388 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
389 if ! version_is_at_least "1.1.6" "$(cabal-version)"; then
390 dohtml -r dist/doc/html/*
391 fi
392 fi 445 fi
393 fi 446
447 # create a dummy local package conf file for haskell-updater
448 # if it does not exist (dummy libraries and binaries w/o libraries)
449 local ghc_confdir_with_prefix="$(ghc-confdir)"
450 # remove EPREFIX
451 dodir ${ghc_confdir_with_prefix#${EPREFIX}}
452 local conf_file="${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
453 [[ -e $conf_file ]] || echo '[]' > "$conf_file" || die
394} 454}
395 455
396haskell-cabal_src_install() { 456haskell-cabal_src_install() {
397 pushd "${S}" > /dev/null 457 pushd "${S}" > /dev/null
398 458

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