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Revision 1.15 Revision 1.30
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 1.15 2009/07/27 19:03:20 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# 30# nocabaldep -- don't add dependency on cabal.
30# Dependencies on other cabal packages have to be specified 31# only used for packages that _must_ not pull the dependency
31# correctly. 32# on cabal, but still use this eclass (e.g. haskell-updater).
32#
33# Cabal libraries should usually be SLOTted with "${PV}".
34#
35# Many Cabal packages require S to be manually set.
36#
37# Conforming Cabal packages don't require any function definitions
38# in the ebuild.
39#
40# Special flags to Cabal Configure can now be set by using
41# CABAL_CONFIGURE_FLAGS
42 33
43inherit ghc-package multilib 34inherit ghc-package multilib
44 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: ${GHC_BOOTSTRAP_FLAGS:=}
55
56HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install"
57
58case "${EAPI:-0}" in
59 2|3|4) HASKELL_CABAL_EXPF+=" src_configure" ;;
60 *) ;;
61esac
62
63EXPORT_FUNCTIONS ${HASKELL_CABAL_EXPF}
45 64
46for feature in ${CABAL_FEATURES}; do 65for feature in ${CABAL_FEATURES}; do
47 case ${feature} in 66 case ${feature} in
48 haddock) CABAL_USE_HADDOCK=yes;; 67 haddock) CABAL_USE_HADDOCK=yes;;
68 hscolour) CABAL_USE_HSCOLOUR=yes;;
69 hoogle) CABAL_USE_HOOGLE=yes;;
49 alex) CABAL_USE_ALEX=yes;; 70 alex) CABAL_USE_ALEX=yes;;
50 happy) CABAL_USE_HAPPY=yes;; 71 happy) CABAL_USE_HAPPY=yes;;
51 c2hs) CABAL_USE_C2HS=yes;; 72 c2hs) CABAL_USE_C2HS=yes;;
52 cpphs) CABAL_USE_CPPHS=yes;; 73 cpphs) CABAL_USE_CPPHS=yes;;
53 profile) CABAL_USE_PROFILE=yes;; 74 profile) CABAL_USE_PROFILE=yes;;
54 bootstrap) CABAL_BOOTSTRAP=yes;; 75 bootstrap) CABAL_BOOTSTRAP=yes;;
55 bin) CABAL_HAS_BINARIES=yes;; 76 bin) CABAL_HAS_BINARIES=yes;;
56 lib) CABAL_HAS_LIBRARIES=yes;; 77 lib) CABAL_HAS_LIBRARIES=yes;;
78 nocabaldep) CABAL_FROM_GHC=yes;;
57 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";; 79 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";;
58 esac 80 esac
59done 81done
60 82
61if [[ -n "${CABAL_USE_HADDOCK}" ]]; then 83if [[ -n "${CABAL_USE_HADDOCK}" ]]; then
62 IUSE="${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="${IUSE} hscolour"
63 DEPEND="${DEPEND} doc? ( dev-haskell/haddock )" 92 DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )"
64fi 93fi
65 94
66if [[ -n "${CABAL_USE_ALEX}" ]]; then 95if [[ -n "${CABAL_USE_ALEX}" ]]; then
67 DEPEND="${DEPEND} dev-haskell/alex" 96 DEPEND="${DEPEND} dev-haskell/alex"
68 cabalconf="${cabalconf} --with-alex=/usr/bin/alex"
69fi 97fi
70 98
71if [[ -n "${CABAL_USE_HAPPY}" ]]; then 99if [[ -n "${CABAL_USE_HAPPY}" ]]; then
72 DEPEND="${DEPEND} dev-haskell/happy" 100 DEPEND="${DEPEND} dev-haskell/happy"
73 cabalconf="${cabalconf} --with-happy=/usr/bin/happy"
74fi 101fi
75 102
76if [[ -n "${CABAL_USE_C2HS}" ]]; then 103if [[ -n "${CABAL_USE_C2HS}" ]]; then
77 DEPEND="${DEPEND} dev-haskell/c2hs" 104 DEPEND="${DEPEND} dev-haskell/c2hs"
78 cabalconf="${cabalconf} --with-c2hs=/usr/bin/c2hs"
79fi 105fi
80 106
81if [[ -n "${CABAL_USE_CPPHS}" ]]; then 107if [[ -n "${CABAL_USE_CPPHS}" ]]; then
82 DEPEND="${DEPEND} dev-haskell/cpphs" 108 DEPEND="${DEPEND} dev-haskell/cpphs"
83 cabalconf="${cabalconf} --with-cpphs=/usr/bin/cpphs"
84fi 109fi
85 110
86if [[ -n "${CABAL_USE_PROFILE}" ]]; then 111if [[ -n "${CABAL_USE_PROFILE}" ]]; then
87 IUSE="${IUSE} profile" 112 IUSE="${IUSE} profile"
88fi 113fi
90# We always use a standalone version of Cabal, rather than the one that comes 115# We always use a standalone version of Cabal, rather than the one that comes
91# with GHC. But of course we can't depend on cabal when building cabal itself. 116# with GHC. But of course we can't depend on cabal when building cabal itself.
92if [[ -z ${CABAL_MIN_VERSION} ]]; then 117if [[ -z ${CABAL_MIN_VERSION} ]]; then
93 CABAL_MIN_VERSION=1.1.4 118 CABAL_MIN_VERSION=1.1.4
94fi 119fi
95if [[ -z "${CABAL_BOOTSTRAP}" ]]; then 120if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]]; then
96 DEPEND="${DEPEND} >=dev-haskell/cabal-${CABAL_MIN_VERSION}" 121 DEPEND="${DEPEND} >=dev-haskell/cabal-${CABAL_MIN_VERSION}"
97fi 122fi
98 123
99# Libraries require GHC to be installed. 124# Libraries require GHC to be installed.
100if [[ -n "${CABAL_HAS_LIBRARIES}" ]]; then 125if [[ -n "${CABAL_HAS_LIBRARIES}" ]]; then
107 if [[ -z "${_CABAL_VERSION_CACHE}" ]]; then 132 if [[ -z "${_CABAL_VERSION_CACHE}" ]]; then
108 if [[ "${CABAL_BOOTSTRAP}" ]]; then 133 if [[ "${CABAL_BOOTSTRAP}" ]]; then
109 # We're bootstrapping cabal, so the cabal version is the version 134 # We're bootstrapping cabal, so the cabal version is the version
110 # of this package itself. 135 # of this package itself.
111 _CABAL_VERSION_CACHE="${PV}" 136 _CABAL_VERSION_CACHE="${PV}"
137 elif [[ "${CABAL_FROM_GHC}" ]]; then
138 local cabal_package=$(echo "$(ghc-libdir)"/Cabal-*)
139 # /path/to/ghc/Cabal-${VER} -> ${VER}
140 _CABAL_VERSION_CACHE="${cabal_package/*Cabal-/}"
112 else 141 else
113 # We ask portage, not ghc, so that we only pick up 142 # We ask portage, not ghc, so that we only pick up
114 # portage-installed cabal versions. 143 # portage-installed cabal versions.
115 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)" 144 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)"
116 fi 145 fi
121cabal-bootstrap() { 150cabal-bootstrap() {
122 local setupmodule 151 local setupmodule
123 local cabalpackage 152 local cabalpackage
124 if [[ -f "${S}/Setup.lhs" ]]; then 153 if [[ -f "${S}/Setup.lhs" ]]; then
125 setupmodule="${S}/Setup.lhs" 154 setupmodule="${S}/Setup.lhs"
126 else
127 if [[ -f "${S}/Setup.hs" ]]; then 155 elif [[ -f "${S}/Setup.hs" ]]; then
128 setupmodule="${S}/Setup.hs" 156 setupmodule="${S}/Setup.hs"
129 else 157 else
130 die "No Setup.lhs or Setup.hs found" 158 die "No Setup.lhs or Setup.hs found"
131 fi
132 fi 159 fi
133 160
134 # We build the setup program using the latest version of 161 # We build the setup program using the latest version of
135 # cabal that we have installed 162 # cabal that we have installed
136 if version_is_at_least "6.4" "$(ghc-version)"; then
137 cabalpackage=Cabal-$(cabal-version) 163 cabalpackage=Cabal-$(cabal-version)
138 else
139 # older ghc's don't support package versioning
140 cabalpackage=Cabal
141 fi
142 einfo "Using cabal-$(cabal-version)." 164 einfo "Using cabal-$(cabal-version)."
165
166 make_setup() {
143 $(ghc-getghc) -package "${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 $(ghc-supports-shared-libraries); then
175 # # some custom build systems might use external libraries,
176 # # for which we don't have shared libs, so keep static fallback
177 # Disabled '-dynamic' as ghc does not embed RPATH to used extra-libraries:
178 # bug #411789, http://hackage.haskell.org/trac/ghc/ticket/5743#comment:3
179 # make_setup -dynamic "$@" ||
144 || die "compiling ${setupmodule} failed" 180 make_setup "$@" || die "compiling ${setupmodule} failed"
181 else
182 make_setup "$@" || die "compiling ${setupmodule} failed"
183 fi
145} 184}
146 185
147cabal-mksetup() { 186cabal-mksetup() {
148 local setupdir 187 local setupdir
149 188
154 fi 193 fi
155 194
156 rm -f "${setupdir}"/Setup.{lhs,hs} 195 rm -f "${setupdir}"/Setup.{lhs,hs}
157 196
158 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \ 197 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \
159 > $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"
160} 205}
161 206
162cabal-haddock() { 207cabal-haddock() {
163 ./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 "$@" --hyperlink-source || die "setup haddock --hyperlink-source failed"
164} 218}
165 219
166cabal-configure() { 220cabal-configure() {
221 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
222
167 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 223 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
168 cabalconf="${cabalconf} --with-haddock=/usr/bin/haddock" 224 cabalconf="${cabalconf} --with-haddock=${EPREFIX}/usr/bin/haddock"
169 fi 225 fi
170 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then 226 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then
171 cabalconf="${cabalconf} --enable-library-profiling" 227 cabalconf="${cabalconf} --enable-library-profiling"
172 fi 228 fi
229 if [[ -n "${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
173 # Building GHCi libs on ppc64 causes "TOC overflow". 250 # Building GHCi libs on ppc64 causes "TOC overflow".
174 if use ppc64; then 251 if use ppc64; then
175 cabalconf="${cabalconf} --disable-library-for-ghci" 252 cabalconf="${cabalconf} --disable-library-for-ghci"
176 fi 253 fi
177 254
178 if version_is_at_least "1.2.0" "$(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$flag"; done
259
260 # disable executable stripping for the executables, as portage will
261 # strip by itself, and pre-stripping gives a QA warning.
262 # cabal versions previous to 1.4 does not strip executables, and does
263 # not accept the flag.
264 # this fixes numerous bugs, amongst them;
265 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494
266 cabalconf="${cabalconf} --disable-executable-stripping"
267
179 cabalconf="${cabalconf} --docdir=/usr/share/doc/${PF}" 268 cabalconf="${cabalconf} --docdir=${EPREFIX}/usr/share/doc/${PF}"
180 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes 269 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes
181 # it's better if the configure chatter is in the build logs: 270 # it's better if the configure chatter is in the build logs:
182 cabalconf="${cabalconf} --verbose" 271 cabalconf="${cabalconf} --verbose"
183 fi
184 # Note: with Cabal-1.1.6.x we do not have enough control
185 # to put the docs into the right place. They're currently going
186 # into /usr/share/${P}/ghc-x.y/doc/
187 # rather than /usr/share/doc/${PF}/
188 # Because we can only set the datadir, not the docdir.
189 272
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
190 ./setup configure \ 279 set -- configure \
191 --ghc --prefix=/usr \ 280 --ghc --prefix="${EPREFIX}"/usr \
192 --with-compiler="$(ghc-getghc)" \ 281 --with-compiler="$(ghc-getghc)" \
193 --with-hc-pkg="$(ghc-getghcpkg)" \ 282 --with-hc-pkg="$(ghc-getghcpkg)" \
194 --prefix=/usr \ 283 --prefix="${EPREFIX}"/usr \
195 --libdir=/usr/$(get_libdir) \ 284 --libdir="${EPREFIX}"/usr/$(get_libdir) \
196 --libsubdir=${P}/ghc-$(ghc-version) \ 285 --libsubdir=${P}/ghc-$(ghc-version) \
197 --datadir=/usr/share/ \ 286 --datadir="${EPREFIX}"/usr/share/ \
198 --datasubdir=${P}/ghc-$(ghc-version) \ 287 --datasubdir=${P}/ghc-$(ghc-version) \
199 ${cabalconf} \ 288 ${cabalconf} \
200 ${CABAL_CONFIGURE_FLAGS} \ 289 ${CABAL_CONFIGURE_FLAGS} \
290 ${CABAL_EXTRA_CONFIGURE_FLAGS} \
291 "$@"
292 echo ./setup "$@"
201 "$@" || die "setup configure failed" 293 ./setup "$@" || die "setup configure failed"
202} 294}
203 295
204cabal-build() { 296cabal-build() {
205 unset LANG LC_ALL LC_MESSAGES 297 unset LANG LC_ALL LC_MESSAGES
206 ./setup build \ 298 set -- build ${CABAL_EXTRA_BUILD_FLAGS} "$@"
299 echo ./setup "$@"
300 ./setup "$@" \
207 || die "setup build failed" 301 || die "setup build failed"
208} 302}
209 303
210cabal-copy() { 304cabal-copy() {
211 ./setup copy \ 305 has "${EAPI:-0}" 0 1 2 && ! use prefix && ED=${D}
212 --destdir="${D}" \ 306
307 set -- copy --destdir="${D}" "$@"
308 echo ./setup "$@"
213 || die "setup copy failed" 309 ./setup "$@" || die "setup copy failed"
214 310
215 # cabal is a bit eager about creating dirs, 311 # cabal is a bit eager about creating dirs,
216 # so remove them if they are empty 312 # so remove them if they are empty
217 rmdir "${D}/usr/bin" 2> /dev/null 313 rmdir "${ED}/usr/bin" 2> /dev/null
218
219 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has
220 # no workaround.
221 # set the +x permission on executables
222 if [[ -d "${D}/usr/bin" ]] ; then
223 chmod +x "${D}/usr/bin/"*
224 fi
225 # TODO: do we still need this?
226} 314}
227 315
228cabal-pkg() { 316cabal-pkg() {
229 # This does not actually register since we're using true instead 317 # This does not actually register since we're using true instead
230 # 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
231 # register that ourselves (if it exists). 319 # register that ourselves (if it exists).
232 local result
233 local err
234 320
235 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then 321 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then
236 if version_is_at_least "1.2.0" "$(cabal-version)"; then
237 # Newer cabal can generate a package conf for us: 322 # Newer cabal can generate a package conf for us:
238 ./setup register --gen-pkg-config="${T}/${P}.conf" 323 ./setup register --gen-pkg-config="${T}/${P}.conf"
239 ghc-setup-pkg "${T}/${P}.conf" 324 ghc-setup-pkg "${T}/${P}.conf"
240 ghc-install-pkg 325 ghc-install-pkg
241 else
242 # With older cabal we have to hack it by replacing its ghc-pkg
243 # with true and then just picking up the .installed-pkg-config
244 # file and registering that ourselves (if it exists).
245 sed -i "s|$(ghc-getghcpkg)|$(type -P true)|" .setup-config
246 ./setup register || die "setup register failed"
247 if [[ -f .installed-pkg-config ]]; then
248 ghc-setup-pkg .installed-pkg-config
249 ghc-install-pkg
250 else
251 die "setup register has not generated a package configuration file"
252 fi
253 fi
254 fi 326 fi
255} 327}
256 328
257# Some cabal libs are bundled along with some versions of ghc 329# Some cabal libs are bundled along with some versions of ghc
258# eg filepath-1.0 comes with ghc-6.6.1 330# eg filepath-1.0 comes with ghc-6.6.1
270} 342}
271 343
272# exported function: check if cabal is correctly installed for 344# exported function: check if cabal is correctly installed for
273# the currently active ghc (we cannot guarantee this with portage) 345# the currently active ghc (we cannot guarantee this with portage)
274haskell-cabal_pkg_setup() { 346haskell-cabal_pkg_setup() {
275 ghc-package_pkg_setup
276 if [[ -z "${CABAL_BOOTSTRAP}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then 347 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
277 eerror "The package dev-haskell/cabal is not correctly installed for" 348 eerror "The package dev-haskell/cabal is not correctly installed for"
278 eerror "the currently active version of ghc ($(ghc-version)). Please" 349 eerror "the currently active version of ghc ($(ghc-version)). Please"
279 eerror "run ghc-updater or re-emerge dev-haskell/cabal." 350 eerror "run haskell-updater or re-build dev-haskell/cabal."
280 die "cabal is not correctly installed" 351 die "cabal is not correctly installed"
281 fi 352 fi
282 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then 353 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then
283 eerror "QA: Neither bin nor lib are in CABAL_FEATURES." 354 eqawarn "QA Notice: Neither bin nor lib are in CABAL_FEATURES."
284 fi 355 fi
285 if [[ -n "${CABAL_UNKNOWN}" ]]; then 356 if [[ -n "${CABAL_UNKNOWN}" ]]; then
286 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}" 357 eqawarn "QA Notice: Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}"
287 fi 358 fi
288 if cabal-is-dummy-lib; then 359 if cabal-is-dummy-lib; then
289 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install." 360 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
290 fi 361 fi
291} 362}
292 363
364haskell-cabal_src_configure() {
365 cabal-is-dummy-lib && return
366
367 pushd "${S}" > /dev/null
368
369 cabal-bootstrap
370
371 cabal-configure "$@"
372
373 popd > /dev/null
374}
375
376# exported function: nice alias
377cabal_src_configure() {
378 haskell-cabal_src_configure "$@"
379}
380
293# exported function: cabal-style bootstrap configure and compile 381# exported function: cabal-style bootstrap configure and compile
294cabal_src_compile() { 382cabal_src_compile() {
295 if ! cabal-is-dummy-lib; then 383 # it's a common mistake when one bumps ebuild to EAPI="2" (and upper)
296 cabal-bootstrap 384 # and forgets to separate src_compile() to src_configure()/src_compile().
297 cabal-configure 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
396 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
298 cabal-build 397 cabal-build
299 398
300 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 399 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
400 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
401 # hscolour and haddock
402 cabal-hscolour-haddock
403 else
404 # just haddock
301 cabal-haddock 405 cabal-haddock
302 fi 406 fi
407 else
408 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
409 # just hscolour
410 cabal-hscolour
303 fi 411 fi
412 fi
304} 413}
414
305haskell-cabal_src_compile() { 415haskell-cabal_src_compile() {
416 pushd "${S}" > /dev/null
417
306 cabal_src_compile 418 cabal_src_compile "$@"
419
420 popd > /dev/null
421}
422
423haskell-cabal_src_test() {
424 pushd "${S}" > /dev/null
425
426 if cabal-is-dummy-lib; then
427 einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}"
428 else
429 einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}"
430 set -- test "$@"
431 echo ./setup "$@"
432 ./setup "$@" || die "cabal test failed"
433 fi
434
435 popd > /dev/null
307} 436}
308 437
309# exported function: cabal-style copy and register 438# exported function: cabal-style copy and register
310cabal_src_install() { 439cabal_src_install() {
440 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
441
311 if cabal-is-dummy-lib; then 442 if ! cabal-is-dummy-lib; then
312 # create a dummy local package conf file for the sake of ghc-updater
313 dodir "$(ghc-confdir)"
314 echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
315 else
316 cabal-copy 443 cabal-copy
317 cabal-pkg 444 cabal-pkg
318
319 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
320 if ! version_is_at_least "1.1.6" "$(cabal-version)"; then
321 dohtml -r dist/doc/html/*
322 fi
323 fi 445 fi
324 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
325} 454}
455
326haskell-cabal_src_install() { 456haskell-cabal_src_install() {
457 pushd "${S}" > /dev/null
458
327 cabal_src_install 459 cabal_src_install
328}
329 460
330EXPORT_FUNCTIONS pkg_setup src_compile src_install 461 popd > /dev/null
462}
463
464# ebuild.sh:use_enable() taken as base
465#
466# Usage examples:
467#
468# CABAL_CONFIGURE_FLAGS=$(cabal_flag gui)
469# leads to "--flags=gui" or "--flags=-gui" (useflag 'gui')
470#
471# CABAL_CONFIGURE_FLAGS=$(cabal_flag gtk gui)
472# also leads to "--flags=gui" or " --flags=-gui" (useflag 'gtk')
473#
474cabal_flag() {
475 if [[ -z "$1" ]]; then
476 echo "!!! cabal_flag() called without a parameter." >&2
477 echo "!!! cabal_flag() <USEFLAG> [<cabal_flagname>]" >&2
478 return 1
479 fi
480
481 local UWORD=${2:-$1}
482
483 if use "$1"; then
484 echo "--flags=${UWORD}"
485 else
486 echo "--flags=-${UWORD}"
487 fi
488
489 return 0
490}

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