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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 1.31 2012/04/14 20:22:23 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 159 fi
160
161 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
162 eerror "The package dev-haskell/cabal is not correctly installed for"
163 eerror "the currently active version of ghc ($(ghc-version)). Please"
164 eerror "run haskell-updater or re-build dev-haskell/cabal."
165 die "cabal is not correctly installed"
160 fi 166 fi
161 167
162 # We build the setup program using the latest version of 168 # We build the setup program using the latest version of
163 # cabal that we have installed 169 # cabal that we have installed
164 if version_is_at_least "6.4" "$(ghc-version)"; then
165 cabalpackage=Cabal-$(cabal-version) 170 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)." 171 einfo "Using cabal-$(cabal-version)."
172
173 make_setup() {
171 $(ghc-getghc) -package "${cabalpackage}" --make "${setupmodule}" -o setup \ 174 set -- -package "${cabalpackage}" --make "${setupmodule}" \
175 ${GHC_BOOTSTRAP_FLAGS} \
176 "$@" \
177 -o setup
178 echo $(ghc-getghc) ${HCFLAGS} "$@"
179 $(ghc-getghc) "$@"
180 }
181 if $(ghc-supports-shared-libraries); then
182 # # some custom build systems might use external libraries,
183 # # for which we don't have shared libs, so keep static fallback
184 # Disabled '-dynamic' as ghc does not embed RPATH to used extra-libraries:
185 # bug #411789, http://hackage.haskell.org/trac/ghc/ticket/5743#comment:3
186 # make_setup -dynamic "$@" ||
172 || die "compiling ${setupmodule} failed" 187 make_setup "$@" || die "compiling ${setupmodule} failed"
188 else
189 make_setup "$@" || die "compiling ${setupmodule} failed"
190 fi
173} 191}
174 192
175cabal-mksetup() { 193cabal-mksetup() {
176 local setupdir 194 local setupdir
177 195
182 fi 200 fi
183 201
184 rm -f "${setupdir}"/Setup.{lhs,hs} 202 rm -f "${setupdir}"/Setup.{lhs,hs}
185 203
186 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \ 204 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \
187 > $setupdir/Setup.hs 205 > $setupdir/Setup.hs || die "failed to create default Setup.hs"
206}
207
208cabal-hscolour() {
209 set -- hscolour "$@"
210 echo ./setup "$@"
211 ./setup "$@" || die "setup hscolour failed"
188} 212}
189 213
190cabal-haddock() { 214cabal-haddock() {
191 ./setup haddock || die "setup haddock failed" 215 set -- haddock "$@"
216 echo ./setup "$@"
217 ./setup "$@" || die "setup haddock failed"
218}
219
220cabal-hscolour-haddock() {
221 # --hyperlink-source implies calling 'setup hscolour'
222 set -- haddock --hyperlink-source
223 echo ./setup "$@"
224 ./setup "$@" --hyperlink-source || die "setup haddock --hyperlink-source failed"
192} 225}
193 226
194cabal-configure() { 227cabal-configure() {
228 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
229
195 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 230 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
196 cabalconf="${cabalconf} --with-haddock=/usr/bin/haddock" 231 cabalconf="${cabalconf} --with-haddock=${EPREFIX}/usr/bin/haddock"
197 fi 232 fi
198 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then 233 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then
199 cabalconf="${cabalconf} --enable-library-profiling" 234 cabalconf="${cabalconf} --enable-library-profiling"
200 fi 235 fi
236 if [[ -n "${CABAL_USE_ALEX}" ]]; then
237 cabalconf="${cabalconf} --with-alex=${EPREFIX}/usr/bin/alex"
238 fi
239
240 if [[ -n "${CABAL_USE_HAPPY}" ]]; then
241 cabalconf="${cabalconf} --with-happy=${EPREFIX}/usr/bin/happy"
242 fi
243
244 if [[ -n "${CABAL_USE_C2HS}" ]]; then
245 cabalconf="${cabalconf} --with-c2hs=${EPREFIX}/usr/bin/c2hs"
246 fi
247 if [[ -n "${CABAL_USE_CPPHS}" ]]; then
248 cabalconf="${cabalconf} --with-cpphs=${EPREFIX}/usr/bin/cpphs"
249 fi
250
251 local option
252 for option in ${HCFLAGS}
253 do
254 cabalconf+=" --ghc-option=$option"
255 done
256
201 # Building GHCi libs on ppc64 causes "TOC overflow". 257 # Building GHCi libs on ppc64 causes "TOC overflow".
202 if use ppc64; then 258 if use ppc64; then
203 cabalconf="${cabalconf} --disable-library-for-ghci" 259 cabalconf="${cabalconf} --disable-library-for-ghci"
204 fi 260 fi
205 261
206 if version_is_at_least "1.4" "$(cabal-version)"; then 262 # currently cabal does not respect CFLAGS and LDFLAGS on it's own (bug #333217)
263 # so translate LDFLAGS to ghc parameters (without filtering)
264 local flag
265 for flag in $LDFLAGS; do cabalconf="${cabalconf} --ghc-option=-optl$flag"; done
266
207 # disable executable stripping for the executables, as portage will 267 # disable executable stripping for the executables, as portage will
208 # strip by itself, and pre-stripping gives a QA warning. 268 # strip by itself, and pre-stripping gives a QA warning.
209 # cabal versions previous to 1.4 does not strip executables, and does 269 # cabal versions previous to 1.4 does not strip executables, and does
210 # not accept the flag. 270 # not accept the flag.
211 # this fixes numerous bugs, amongst them; 271 # this fixes numerous bugs, amongst them;
212 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494 272 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494
213 cabalconf="${cabalconf} --disable-executable-stripping" 273 cabalconf="${cabalconf} --disable-executable-stripping"
214 fi
215 274
216 if version_is_at_least "1.2.0" "$(cabal-version)"; then
217 cabalconf="${cabalconf} --docdir=/usr/share/doc/${PF}" 275 cabalconf="${cabalconf} --docdir=${EPREFIX}/usr/share/doc/${PF}"
218 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes 276 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes
219 # it's better if the configure chatter is in the build logs: 277 # it's better if the configure chatter is in the build logs:
220 cabalconf="${cabalconf} --verbose" 278 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.
227 279
280 # We build shared version of our Cabal where ghc ships it's shared
281 # version of it. We will link ./setup as dynamic binary againt Cabal later.
282 [[ ${CATEGORY}/${PN} == "dev-haskell/cabal" ]] && \
283 $(ghc-supports-shared-libraries) && \
284 cabalconf="${cabalconf} --enable-shared"
285
228 ./setup configure \ 286 set -- configure \
229 --ghc --prefix=/usr \ 287 --ghc --prefix="${EPREFIX}"/usr \
230 --with-compiler="$(ghc-getghc)" \ 288 --with-compiler="$(ghc-getghc)" \
231 --with-hc-pkg="$(ghc-getghcpkg)" \ 289 --with-hc-pkg="$(ghc-getghcpkg)" \
232 --prefix=/usr \ 290 --prefix="${EPREFIX}"/usr \
233 --libdir=/usr/$(get_libdir) \ 291 --libdir="${EPREFIX}"/usr/$(get_libdir) \
234 --libsubdir=${P}/ghc-$(ghc-version) \ 292 --libsubdir=${P}/ghc-$(ghc-version) \
235 --datadir=/usr/share/ \ 293 --datadir="${EPREFIX}"/usr/share/ \
236 --datasubdir=${P}/ghc-$(ghc-version) \ 294 --datasubdir=${P}/ghc-$(ghc-version) \
237 ${cabalconf} \ 295 ${cabalconf} \
238 ${CABAL_CONFIGURE_FLAGS} \ 296 ${CABAL_CONFIGURE_FLAGS} \
297 ${CABAL_EXTRA_CONFIGURE_FLAGS} \
298 "$@"
299 echo ./setup "$@"
239 "$@" || die "setup configure failed" 300 ./setup "$@" || die "setup configure failed"
240} 301}
241 302
242cabal-build() { 303cabal-build() {
243 unset LANG LC_ALL LC_MESSAGES 304 unset LANG LC_ALL LC_MESSAGES
244 ./setup build \ 305 set -- build ${CABAL_EXTRA_BUILD_FLAGS} "$@"
306 echo ./setup "$@"
307 ./setup "$@" \
245 || die "setup build failed" 308 || die "setup build failed"
246} 309}
247 310
248cabal-copy() { 311cabal-copy() {
249 ./setup copy \ 312 has "${EAPI:-0}" 0 1 2 && ! use prefix && ED=${D}
250 --destdir="${D}" \ 313
314 set -- copy --destdir="${D}" "$@"
315 echo ./setup "$@"
251 || die "setup copy failed" 316 ./setup "$@" || die "setup copy failed"
252 317
253 # cabal is a bit eager about creating dirs, 318 # cabal is a bit eager about creating dirs,
254 # so remove them if they are empty 319 # so remove them if they are empty
255 rmdir "${D}/usr/bin" 2> /dev/null 320 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} 321}
265 322
266cabal-pkg() { 323cabal-pkg() {
267 # This does not actually register since we're using true instead 324 # 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 325 # of ghc-pkg. So it just leaves the .conf file and we can
269 # register that ourselves (if it exists). 326 # register that ourselves (if it exists).
270 local result
271 local err
272 327
273 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then 328 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: 329 # Newer cabal can generate a package conf for us:
276 ./setup register --gen-pkg-config="${T}/${P}.conf" 330 ./setup register --gen-pkg-config="${T}/${P}.conf"
277 ghc-setup-pkg "${T}/${P}.conf" 331 ghc-setup-pkg "${T}/${P}.conf"
278 ghc-install-pkg 332 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 333 fi
293} 334}
294 335
295# Some cabal libs are bundled along with some versions of ghc 336# Some cabal libs are bundled along with some versions of ghc
296# eg filepath-1.0 comes with ghc-6.6.1 337# eg filepath-1.0 comes with ghc-6.6.1
308} 349}
309 350
310# exported function: check if cabal is correctly installed for 351# exported function: check if cabal is correctly installed for
311# the currently active ghc (we cannot guarantee this with portage) 352# the currently active ghc (we cannot guarantee this with portage)
312haskell-cabal_pkg_setup() { 353haskell-cabal_pkg_setup() {
313 ghc-package_pkg_setup
314 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
315 eerror "The package dev-haskell/cabal is not correctly installed for"
316 eerror "the currently active version of ghc ($(ghc-version)). Please"
317 eerror "run ghc-updater or haskell-updater or re-build dev-haskell/cabal."
318 die "cabal is not correctly installed"
319 fi
320 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then 354 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then
321 eerror "QA: Neither bin nor lib are in CABAL_FEATURES." 355 eqawarn "QA Notice: Neither bin nor lib are in CABAL_FEATURES."
322 fi 356 fi
323 if [[ -n "${CABAL_UNKNOWN}" ]]; then 357 if [[ -n "${CABAL_UNKNOWN}" ]]; then
324 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}" 358 eqawarn "QA Notice: Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}"
325 fi 359 fi
326 if cabal-is-dummy-lib; then 360 if cabal-is-dummy-lib; then
327 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install." 361 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
328 fi 362 fi
329} 363}
330 364
331haskell-cabal_src_configure() { 365haskell-cabal_src_configure() {
366 cabal-is-dummy-lib && return
367
332 pushd "${S}" > /dev/null 368 pushd "${S}" > /dev/null
333 369
334 cabal-bootstrap 370 cabal-bootstrap
371
335 cabal-configure "$@" 372 cabal-configure "$@"
336 373
337 popd > /dev/null 374 popd > /dev/null
338} 375}
339 376
342 haskell-cabal_src_configure "$@" 379 haskell-cabal_src_configure "$@"
343} 380}
344 381
345# exported function: cabal-style bootstrap configure and compile 382# exported function: cabal-style bootstrap configure and compile
346cabal_src_compile() { 383cabal_src_compile() {
347 if ! cabal-is-dummy-lib; then 384 # it's a common mistake when one bumps ebuild to EAPI="2" (and upper)
385 # and forgets to separate src_compile() to src_configure()/src_compile().
386 # Such error leads to default src_configure and we lose all passed flags.
387 if ! has "${EAPI:-0}" 0 1; then
388 local passed_flag
389 for passed_flag in "$@"; do
390 [[ ${passed_flag} == --flags=* ]] && \
391 eqawarn "QA Notice: Cabal option '${passed_flag}' has effect only in src_configure()"
392 done
393 fi
394
395 cabal-is-dummy-lib && return
396
348 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@" 397 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
349 cabal-build 398 cabal-build
350 399
351 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 400 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
401 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
402 # hscolour and haddock
403 cabal-hscolour-haddock
404 else
405 # just haddock
352 cabal-haddock 406 cabal-haddock
353 fi 407 fi
408 else
409 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
410 # just hscolour
411 cabal-hscolour
412 fi
354 fi 413 fi
355} 414}
356 415
357haskell-cabal_src_compile() { 416haskell-cabal_src_compile() {
358 pushd "${S}" > /dev/null 417 pushd "${S}" > /dev/null
367 426
368 if cabal-is-dummy-lib; then 427 if cabal-is-dummy-lib; then
369 einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}" 428 einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}"
370 else 429 else
371 einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}" 430 einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}"
431 set -- test "$@"
432 echo ./setup "$@"
372 ./setup test || die "cabal test failed" 433 ./setup "$@" || die "cabal test failed"
373 fi 434 fi
374 435
375 popd > /dev/null 436 popd > /dev/null
376} 437}
377 438
378# exported function: cabal-style copy and register 439# exported function: cabal-style copy and register
379cabal_src_install() { 440cabal_src_install() {
441 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
442
380 if cabal-is-dummy-lib; then 443 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 444 cabal-copy
386 cabal-pkg 445 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 446 fi
393 fi 447
448 # create a dummy local package conf file for haskell-updater
449 # if it does not exist (dummy libraries and binaries w/o libraries)
450 local ghc_confdir_with_prefix="$(ghc-confdir)"
451 # remove EPREFIX
452 dodir ${ghc_confdir_with_prefix#${EPREFIX}}
453 local conf_file="${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
454 [[ -e $conf_file ]] || echo '[]' > "$conf_file" || die
394} 455}
395 456
396haskell-cabal_src_install() { 457haskell-cabal_src_install() {
397 pushd "${S}" > /dev/null 458 pushd "${S}" > /dev/null
398 459

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