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Revision 1.18 Revision 1.35
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 1.18 2010/01/26 20:50:40 kolmodin Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/haskell-cabal.eclass,v 1.35 2012/11/16 15:47:17 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
22# hoogle -- generation of documentation search index
21# alex -- lexer/scanner generator 23# alex -- lexer/scanner generator
22# happy -- parser generator 24# happy -- parser generator
23# c2hs -- C interface generator 25# c2hs -- C interface generator
24# cpphs -- C preprocessor clone written in Haskell 26# cpphs -- C preprocessor clone written in Haskell
25# profile -- if package supports to build profiling-enabled libraries 27# profile -- if package supports to build profiling-enabled libraries
26# bootstrap -- only used for the cabal package itself 28# bootstrap -- only used for the cabal package itself
27# bin -- the package installs binaries 29# bin -- the package installs binaries
28# lib -- the package installs libraries 30# lib -- the package installs libraries
29# nocabaldep -- don't add dependency on cabal. 31# nocabaldep -- don't add dependency on cabal.
30# only used for packages that _must_ not pull the dependency 32# only used for packages that _must_ not pull the dependency
31# on cabal, but still use this eclass (e.g. haskell-updater). 33# on cabal, but still use this eclass (e.g. haskell-updater).
32# 34# test-suite -- add support for cabal test-suites (introduced in Cabal-1.8)
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 35
46inherit ghc-package multilib 36inherit ghc-package multilib
47 37
38# @ECLASS-VARIABLE: CABAL_EXTRA_CONFIGURE_FLAGS
39# @DESCRIPTION:
40# User-specified additional parameters passed to 'setup configure'.
41# example: /etc/make.conf: CABAL_EXTRA_CONFIGURE_FLAGS=--enable-shared
42: ${CABAL_EXTRA_CONFIGURE_FLAGS:=}
43
44# @ECLASS-VARIABLE: CABAL_EXTRA_BUILD_FLAGS
45# @DESCRIPTION:
46# User-specified additional parameters passed to 'setup build'.
47# example: /etc/make.conf: CABAL_EXTRA_BUILD_FLAGS=-v
48: ${CABAL_EXTRA_BUILD_FLAGS:=}
49
50# @ECLASS-VARIABLE: GHC_BOOTSTRAP_FLAGS
51# @DESCRIPTION:
52# User-specified additional parameters for ghc when building
53# _only_ 'setup' binary bootstrap.
54# example: /etc/make.conf: GHC_BOOTSTRAP_FLAGS=-dynamic to make
55# linking 'setup' faster.
56: ${GHC_BOOTSTRAP_FLAGS:=}
57
58HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install"
59
60case "${EAPI:-0}" in
61 2|3|4|5) HASKELL_CABAL_EXPF+=" src_configure" ;;
62 *) ;;
63esac
64
65EXPORT_FUNCTIONS ${HASKELL_CABAL_EXPF}
48 66
49for feature in ${CABAL_FEATURES}; do 67for feature in ${CABAL_FEATURES}; do
50 case ${feature} in 68 case ${feature} in
51 haddock) CABAL_USE_HADDOCK=yes;; 69 haddock) CABAL_USE_HADDOCK=yes;;
70 hscolour) CABAL_USE_HSCOLOUR=yes;;
71 hoogle) CABAL_USE_HOOGLE=yes;;
52 alex) CABAL_USE_ALEX=yes;; 72 alex) CABAL_USE_ALEX=yes;;
53 happy) CABAL_USE_HAPPY=yes;; 73 happy) CABAL_USE_HAPPY=yes;;
54 c2hs) CABAL_USE_C2HS=yes;; 74 c2hs) CABAL_USE_C2HS=yes;;
55 cpphs) CABAL_USE_CPPHS=yes;; 75 cpphs) CABAL_USE_CPPHS=yes;;
56 profile) CABAL_USE_PROFILE=yes;; 76 profile) CABAL_USE_PROFILE=yes;;
57 bootstrap) CABAL_BOOTSTRAP=yes;; 77 bootstrap) CABAL_BOOTSTRAP=yes;;
58 bin) CABAL_HAS_BINARIES=yes;; 78 bin) CABAL_HAS_BINARIES=yes;;
59 lib) CABAL_HAS_LIBRARIES=yes;; 79 lib) CABAL_HAS_LIBRARIES=yes;;
60 nocabaldep) CABAL_FROM_GHC=yes;; 80 nocabaldep) CABAL_FROM_GHC=yes;;
81 test-suite) CABAL_TEST_SUITE=yes;;
61 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";; 82 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";;
62 esac 83 esac
63done 84done
64 85
65if [[ -n "${CABAL_USE_HADDOCK}" ]]; then 86if [[ -n "${CABAL_USE_HADDOCK}" ]]; then
66 IUSE="${IUSE} doc" 87 IUSE="${IUSE} doc"
88 # don't require depend on itself to build docs.
89 # ebuild bootstraps docs from just built binary
90 [[ ${CATEGORY}/${PN} = "dev-haskell/haddock" ]] || DEPEND="${DEPEND} doc? ( dev-haskell/haddock )"
91fi
92
93if [[ -n "${CABAL_USE_HSCOLOUR}" ]]; then
94 IUSE="${IUSE} hscolour"
67 DEPEND="${DEPEND} doc? ( dev-haskell/haddock )" 95 DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )"
68fi 96fi
69 97
70if [[ -n "${CABAL_USE_ALEX}" ]]; then 98if [[ -n "${CABAL_USE_ALEX}" ]]; then
71 DEPEND="${DEPEND} dev-haskell/alex" 99 DEPEND="${DEPEND} dev-haskell/alex"
72 cabalconf="${cabalconf} --with-alex=/usr/bin/alex"
73fi 100fi
74 101
75if [[ -n "${CABAL_USE_HAPPY}" ]]; then 102if [[ -n "${CABAL_USE_HAPPY}" ]]; then
76 DEPEND="${DEPEND} dev-haskell/happy" 103 DEPEND="${DEPEND} dev-haskell/happy"
77 cabalconf="${cabalconf} --with-happy=/usr/bin/happy"
78fi 104fi
79 105
80if [[ -n "${CABAL_USE_C2HS}" ]]; then 106if [[ -n "${CABAL_USE_C2HS}" ]]; then
81 DEPEND="${DEPEND} dev-haskell/c2hs" 107 DEPEND="${DEPEND} dev-haskell/c2hs"
82 cabalconf="${cabalconf} --with-c2hs=/usr/bin/c2hs"
83fi 108fi
84 109
85if [[ -n "${CABAL_USE_CPPHS}" ]]; then 110if [[ -n "${CABAL_USE_CPPHS}" ]]; then
86 DEPEND="${DEPEND} dev-haskell/cpphs" 111 DEPEND="${DEPEND} dev-haskell/cpphs"
87 cabalconf="${cabalconf} --with-cpphs=/usr/bin/cpphs"
88fi 112fi
89 113
90if [[ -n "${CABAL_USE_PROFILE}" ]]; then 114if [[ -n "${CABAL_USE_PROFILE}" ]]; then
91 IUSE="${IUSE} profile" 115 IUSE="${IUSE} profile"
116fi
117
118if [[ -n "${CABAL_TEST_SUITE}" ]]; then
119 IUSE="${IUSE} test"
92fi 120fi
93 121
94# We always use a standalone version of Cabal, rather than the one that comes 122# We always use a standalone version of Cabal, rather than the one that comes
95# with GHC. But of course we can't depend on cabal when building cabal itself. 123# with GHC. But of course we can't depend on cabal when building cabal itself.
96if [[ -z ${CABAL_MIN_VERSION} ]]; then 124if [[ -z ${CABAL_MIN_VERSION} ]]; then
112 if [[ "${CABAL_BOOTSTRAP}" ]]; then 140 if [[ "${CABAL_BOOTSTRAP}" ]]; then
113 # We're bootstrapping cabal, so the cabal version is the version 141 # We're bootstrapping cabal, so the cabal version is the version
114 # of this package itself. 142 # of this package itself.
115 _CABAL_VERSION_CACHE="${PV}" 143 _CABAL_VERSION_CACHE="${PV}"
116 elif [[ "${CABAL_FROM_GHC}" ]]; then 144 elif [[ "${CABAL_FROM_GHC}" ]]; then
117 # We can't assume there's a version of Cabal installed by ebuild as 145 local cabal_package=$(echo "$(ghc-libdir)"/Cabal-*)
118 # this might be a first time install of GHC (for packages that 146 # /path/to/ghc/Cabal-${VER} -> ${VER}
119 # use the shipped Cabal like haskell-updater). 147 _CABAL_VERSION_CACHE="${cabal_package/*Cabal-/}"
120
121 # The user is likely to only have one version of Cabal, provided
122 # by GHC. Note that dev-haskell/cabal can be a dummy package, only
123 # using the version provided by GHC. If the user has another version
124 # of Cabal too (more recent than the one GHC provides through
125 # dev-haskell/cabal, or possibly older if he used an old
126 # Cabal package) the most recent is used (expected to be the last
127 # one in the ghc-pkg output).
128 _CABAL_VERSION_CACHE="$(ghc-pkg field Cabal version | tail -n 1)"
129
130 # Strip out the "version: " prefix
131 _CABAL_VERSION_CACHE="${_CABAL_VERSION_CACHE#"version: "}"
132 else 148 else
133 # We ask portage, not ghc, so that we only pick up 149 # We ask portage, not ghc, so that we only pick up
134 # portage-installed cabal versions. 150 # portage-installed cabal versions.
135 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)" 151 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)"
136 fi 152 fi
141cabal-bootstrap() { 157cabal-bootstrap() {
142 local setupmodule 158 local setupmodule
143 local cabalpackage 159 local cabalpackage
144 if [[ -f "${S}/Setup.lhs" ]]; then 160 if [[ -f "${S}/Setup.lhs" ]]; then
145 setupmodule="${S}/Setup.lhs" 161 setupmodule="${S}/Setup.lhs"
162 elif [[ -f "${S}/Setup.hs" ]]; then
163 setupmodule="${S}/Setup.hs"
146 else 164 else
147 if [[ -f "${S}/Setup.hs" ]]; then
148 setupmodule="${S}/Setup.hs"
149 else
150 die "No Setup.lhs or Setup.hs found" 165 die "No Setup.lhs or Setup.hs found"
151 fi 166 fi
167
168 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
169 eerror "The package dev-haskell/cabal is not correctly installed for"
170 eerror "the currently active version of ghc ($(ghc-version)). Please"
171 eerror "run haskell-updater or re-build dev-haskell/cabal."
172 die "cabal is not correctly installed"
152 fi 173 fi
153 174
154 # We build the setup program using the latest version of 175 # We build the setup program using the latest version of
155 # cabal that we have installed 176 # cabal that we have installed
156 if version_is_at_least "6.4" "$(ghc-version)"; then
157 cabalpackage=Cabal-$(cabal-version) 177 cabalpackage=Cabal-$(cabal-version)
178 einfo "Using cabal-$(cabal-version)."
179
180 make_setup() {
181 set -- -package "${cabalpackage}" --make "${setupmodule}" \
182 ${GHC_BOOTSTRAP_FLAGS} \
183 "$@" \
184 -o setup
185 echo $(ghc-getghc) ${HCFLAGS} "$@"
186 $(ghc-getghc) "$@"
187 }
188 if $(ghc-supports-shared-libraries); then
189 # # some custom build systems might use external libraries,
190 # # for which we don't have shared libs, so keep static fallback
191 # bug #411789, http://hackage.haskell.org/trac/ghc/ticket/5743#comment:3
192 # http://hackage.haskell.org/trac/ghc/ticket/7062
193 # http://hackage.haskell.org/trac/ghc/ticket/3072
194 # ghc does not set RPATH for extralibs, thus we do it ourselves by hands
195 einfo "Prepending $(ghc-libdir) to LD_LIBRARY_PATH"
196 if [[ ${CHOST} != *-darwin* ]]; then
197 LD_LIBRARY_PATH="$(ghc-libdir)${LD_LIBRARY_PATH:+:}${LD_LIBRARY_PATH}"
198 export LD_LIBRARY_PATH
199 else
200 DYLD_LIBRARY_PATH="$(ghc-libdir)${DYLD_LIBRARY_PATH:+:}${DYLD_LIBRARY_PATH}"
201 export DYLD_LIBRARY_PATH
202 fi
203 { make_setup -dynamic "$@" && ./setup --help >/dev/null; } ||
204 make_setup "$@" || die "compiling ${setupmodule} failed"
158 else 205 else
159 # older ghc's don't support package versioning
160 cabalpackage=Cabal
161 fi
162 einfo "Using cabal-$(cabal-version)."
163 $(ghc-getghc) -package "${cabalpackage}" --make "${setupmodule}" -o setup \
164 || die "compiling ${setupmodule} failed" 206 make_setup "$@" || die "compiling ${setupmodule} failed"
207 fi
165} 208}
166 209
167cabal-mksetup() { 210cabal-mksetup() {
168 local setupdir 211 local setupdir
169 212
174 fi 217 fi
175 218
176 rm -f "${setupdir}"/Setup.{lhs,hs} 219 rm -f "${setupdir}"/Setup.{lhs,hs}
177 220
178 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \ 221 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \
179 > $setupdir/Setup.hs 222 > $setupdir/Setup.hs || die "failed to create default Setup.hs"
223}
224
225cabal-hscolour() {
226 set -- hscolour "$@"
227 echo ./setup "$@"
228 ./setup "$@" || die "setup hscolour failed"
180} 229}
181 230
182cabal-haddock() { 231cabal-haddock() {
183 ./setup haddock || die "setup haddock failed" 232 set -- haddock "$@"
233 echo ./setup "$@"
234 ./setup "$@" || die "setup haddock failed"
235}
236
237cabal-hscolour-haddock() {
238 # --hyperlink-source implies calling 'setup hscolour'
239 set -- haddock --hyperlink-source
240 echo ./setup "$@"
241 ./setup "$@" --hyperlink-source || die "setup haddock --hyperlink-source failed"
184} 242}
185 243
186cabal-configure() { 244cabal-configure() {
245 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
246
187 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 247 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
188 cabalconf="${cabalconf} --with-haddock=/usr/bin/haddock" 248 cabalconf="${cabalconf} --with-haddock=${EPREFIX}/usr/bin/haddock"
189 fi 249 fi
190 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then 250 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then
191 cabalconf="${cabalconf} --enable-library-profiling" 251 cabalconf="${cabalconf} --enable-library-profiling"
192 fi 252 fi
253 if [[ -n "${CABAL_USE_ALEX}" ]]; then
254 cabalconf="${cabalconf} --with-alex=${EPREFIX}/usr/bin/alex"
255 fi
256
257 if [[ -n "${CABAL_USE_HAPPY}" ]]; then
258 cabalconf="${cabalconf} --with-happy=${EPREFIX}/usr/bin/happy"
259 fi
260
261 if [[ -n "${CABAL_USE_C2HS}" ]]; then
262 cabalconf="${cabalconf} --with-c2hs=${EPREFIX}/usr/bin/c2hs"
263 fi
264 if [[ -n "${CABAL_USE_CPPHS}" ]]; then
265 cabalconf="${cabalconf} --with-cpphs=${EPREFIX}/usr/bin/cpphs"
266 fi
267 if [[ -n "${CABAL_TEST_SUITE}" ]]; then
268 cabalconf="${cabalconf} $(use_enable test tests)"
269 fi
270
271 local option
272 for option in ${HCFLAGS}
273 do
274 cabalconf+=" --ghc-option=$option"
275 done
276
193 # Building GHCi libs on ppc64 causes "TOC overflow". 277 # Building GHCi libs on ppc64 causes "TOC overflow".
194 if use ppc64; then 278 if use ppc64; then
195 cabalconf="${cabalconf} --disable-library-for-ghci" 279 cabalconf="${cabalconf} --disable-library-for-ghci"
196 fi 280 fi
197 281
198 if version_is_at_least "1.4" "$(cabal-version)"; then 282 # currently cabal does not respect CFLAGS and LDFLAGS on it's own (bug #333217)
283 # so translate LDFLAGS to ghc parameters (without filtering)
284 local flag
285 for flag in $LDFLAGS; do cabalconf="${cabalconf} --ghc-option=-optl$flag"; done
286
199 # disable executable stripping for the executables, as portage will 287 # disable executable stripping for the executables, as portage will
200 # strip by itself, and pre-stripping gives a QA warning. 288 # strip by itself, and pre-stripping gives a QA warning.
201 # cabal versions previous to 1.4 does not strip executables, and does 289 # cabal versions previous to 1.4 does not strip executables, and does
202 # not accept the flag. 290 # not accept the flag.
203 # this fixes numerous bugs, amongst them; 291 # this fixes numerous bugs, amongst them;
204 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494 292 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494
205 cabalconf="${cabalconf} --disable-executable-stripping" 293 cabalconf="${cabalconf} --disable-executable-stripping"
206 fi
207 294
208 if version_is_at_least "1.2.0" "$(cabal-version)"; then
209 cabalconf="${cabalconf} --docdir=/usr/share/doc/${PF}" 295 cabalconf="${cabalconf} --docdir=${EPREFIX}/usr/share/doc/${PF}"
210 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes 296 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes
211 # it's better if the configure chatter is in the build logs: 297 # it's better if the configure chatter is in the build logs:
212 cabalconf="${cabalconf} --verbose" 298 cabalconf="${cabalconf} --verbose"
299
300 # We build shared version of our Cabal where ghc ships it's shared
301 # version of it. We will link ./setup as dynamic binary againt Cabal later.
302 [[ ${CATEGORY}/${PN} == "dev-haskell/cabal" ]] && \
303 $(ghc-supports-shared-libraries) && \
304 cabalconf="${cabalconf} --enable-shared"
305
306 if $(ghc-supports-shared-libraries); then
307 # maybe a bit lower
308 if version_is_at_least "7.7.20121114" "$(ghc-version)"; then
309 cabalconf="${cabalconf} --enable-shared"
213 fi 310 fi
214 # Note: with Cabal-1.1.6.x we do not have enough control 311 fi
215 # to put the docs into the right place. They're currently going
216 # into /usr/share/${P}/ghc-x.y/doc/
217 # rather than /usr/share/doc/${PF}/
218 # Because we can only set the datadir, not the docdir.
219 312
220 ./setup configure \ 313 set -- configure \
221 --ghc --prefix=/usr \ 314 --ghc --prefix="${EPREFIX}"/usr \
222 --with-compiler="$(ghc-getghc)" \ 315 --with-compiler="$(ghc-getghc)" \
223 --with-hc-pkg="$(ghc-getghcpkg)" \ 316 --with-hc-pkg="$(ghc-getghcpkg)" \
224 --prefix=/usr \ 317 --prefix="${EPREFIX}"/usr \
225 --libdir=/usr/$(get_libdir) \ 318 --libdir="${EPREFIX}"/usr/$(get_libdir) \
226 --libsubdir=${P}/ghc-$(ghc-version) \ 319 --libsubdir=${P}/ghc-$(ghc-version) \
227 --datadir=/usr/share/ \ 320 --datadir="${EPREFIX}"/usr/share/ \
228 --datasubdir=${P}/ghc-$(ghc-version) \ 321 --datasubdir=${P}/ghc-$(ghc-version) \
229 ${cabalconf} \ 322 ${cabalconf} \
230 ${CABAL_CONFIGURE_FLAGS} \ 323 ${CABAL_CONFIGURE_FLAGS} \
324 ${CABAL_EXTRA_CONFIGURE_FLAGS} \
325 "$@"
326 echo ./setup "$@"
231 "$@" || die "setup configure failed" 327 ./setup "$@" || die "setup configure failed"
232} 328}
233 329
234cabal-build() { 330cabal-build() {
235 unset LANG LC_ALL LC_MESSAGES 331 unset LANG LC_ALL LC_MESSAGES
236 ./setup build \ 332 set -- build ${CABAL_EXTRA_BUILD_FLAGS} "$@"
333 echo ./setup "$@"
334 ./setup "$@" \
237 || die "setup build failed" 335 || die "setup build failed"
238} 336}
239 337
240cabal-copy() { 338cabal-copy() {
241 ./setup copy \ 339 has "${EAPI:-0}" 0 1 2 && ! use prefix && ED=${D}
242 --destdir="${D}" \ 340
341 set -- copy --destdir="${D}" "$@"
342 echo ./setup "$@"
243 || die "setup copy failed" 343 ./setup "$@" || die "setup copy failed"
244 344
245 # cabal is a bit eager about creating dirs, 345 # cabal is a bit eager about creating dirs,
246 # so remove them if they are empty 346 # so remove them if they are empty
247 rmdir "${D}/usr/bin" 2> /dev/null 347 rmdir "${ED}/usr/bin" 2> /dev/null
248
249 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has
250 # no workaround.
251 # set the +x permission on executables
252 if [[ -d "${D}/usr/bin" ]] ; then
253 chmod +x "${D}/usr/bin/"*
254 fi
255 # TODO: do we still need this?
256} 348}
257 349
258cabal-pkg() { 350cabal-pkg() {
259 # This does not actually register since we're using true instead 351 # This does not actually register since we're using true instead
260 # of ghc-pkg. So it just leaves the .installed-pkg-config and we can 352 # of ghc-pkg. So it just leaves the .conf file and we can
261 # register that ourselves (if it exists). 353 # register that ourselves (if it exists).
262 local result
263 local err
264 354
265 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then 355 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then
266 if version_is_at_least "1.2.0" "$(cabal-version)"; then
267 # Newer cabal can generate a package conf for us: 356 # Newer cabal can generate a package conf for us:
268 ./setup register --gen-pkg-config="${T}/${P}.conf" 357 ./setup register --gen-pkg-config="${T}/${P}.conf"
269 ghc-setup-pkg "${T}/${P}.conf" 358 ghc-setup-pkg "${T}/${P}.conf"
270 ghc-install-pkg 359 ghc-install-pkg
271 else
272 # With older cabal we have to hack it by replacing its ghc-pkg
273 # with true and then just picking up the .installed-pkg-config
274 # file and registering that ourselves (if it exists).
275 sed -i "s|$(ghc-getghcpkg)|$(type -P true)|" .setup-config
276 ./setup register || die "setup register failed"
277 if [[ -f .installed-pkg-config ]]; then
278 ghc-setup-pkg .installed-pkg-config
279 ghc-install-pkg
280 else
281 die "setup register has not generated a package configuration file"
282 fi
283 fi
284 fi 360 fi
285} 361}
286 362
287# Some cabal libs are bundled along with some versions of ghc 363# Some cabal libs are bundled along with some versions of ghc
288# eg filepath-1.0 comes with ghc-6.6.1 364# eg filepath-1.0 comes with ghc-6.6.1
292# However portage still records the dependency and we can upgrade the package 368# However portage still records the dependency and we can upgrade the package
293# to a later one that's not included with ghc. 369# to a later one that's not included with ghc.
294# You can also put a space separated list, eg CABAL_CORE_LIB_GHC_PV="6.6 6.6.1". 370# You can also put a space separated list, eg CABAL_CORE_LIB_GHC_PV="6.6 6.6.1".
295cabal-is-dummy-lib() { 371cabal-is-dummy-lib() {
296 for version in ${CABAL_CORE_LIB_GHC_PV[*]}; do 372 for version in ${CABAL_CORE_LIB_GHC_PV[*]}; do
297 [[ "$(ghc-version)" == "$version" ]] && return 0 373 [[ "$(ghc-version)" == ${version} ]] && return 0
298 done 374 done
299 return 1 375 return 1
300} 376}
301 377
302# exported function: check if cabal is correctly installed for 378# exported function: check if cabal is correctly installed for
303# the currently active ghc (we cannot guarantee this with portage) 379# the currently active ghc (we cannot guarantee this with portage)
304haskell-cabal_pkg_setup() { 380haskell-cabal_pkg_setup() {
305 ghc-package_pkg_setup
306 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
307 eerror "The package dev-haskell/cabal is not correctly installed for"
308 eerror "the currently active version of ghc ($(ghc-version)). Please"
309 eerror "run ghc-updater or haskell-updater or re-build dev-haskell/cabal."
310 die "cabal is not correctly installed"
311 fi
312 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then 381 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then
313 eerror "QA: Neither bin nor lib are in CABAL_FEATURES." 382 eqawarn "QA Notice: Neither bin nor lib are in CABAL_FEATURES."
314 fi 383 fi
315 if [[ -n "${CABAL_UNKNOWN}" ]]; then 384 if [[ -n "${CABAL_UNKNOWN}" ]]; then
316 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}" 385 eqawarn "QA Notice: Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}"
317 fi 386 fi
318 if cabal-is-dummy-lib; then 387 if cabal-is-dummy-lib; then
319 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install." 388 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
320 fi 389 fi
321} 390}
322 391
392haskell-cabal_src_configure() {
393 cabal-is-dummy-lib && return
394
395 pushd "${S}" > /dev/null
396
397 cabal-bootstrap
398
399 cabal-configure "$@"
400
401 popd > /dev/null
402}
403
404# exported function: nice alias
405cabal_src_configure() {
406 haskell-cabal_src_configure "$@"
407}
408
323# exported function: cabal-style bootstrap configure and compile 409# exported function: cabal-style bootstrap configure and compile
324cabal_src_compile() { 410cabal_src_compile() {
325 if ! cabal-is-dummy-lib; then 411 # it's a common mistake when one bumps ebuild to EAPI="2" (and upper)
326 cabal-bootstrap 412 # and forgets to separate src_compile() to src_configure()/src_compile().
327 cabal-configure 413 # Such error leads to default src_configure and we lose all passed flags.
414 if ! has "${EAPI:-0}" 0 1; then
415 local passed_flag
416 for passed_flag in "$@"; do
417 [[ ${passed_flag} == --flags=* ]] && \
418 eqawarn "QA Notice: Cabal option '${passed_flag}' has effect only in src_configure()"
419 done
420 fi
421
422 cabal-is-dummy-lib && return
423
424 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
328 cabal-build 425 cabal-build
329 426
330 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 427 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
428 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
429 # hscolour and haddock
430 cabal-hscolour-haddock
431 else
432 # just haddock
331 cabal-haddock 433 cabal-haddock
332 fi 434 fi
435 else
436 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
437 # just hscolour
438 cabal-hscolour
439 fi
333 fi 440 fi
334} 441}
335 442
336haskell-cabal_src_compile() { 443haskell-cabal_src_compile() {
444 pushd "${S}" > /dev/null
445
337 cabal_src_compile 446 cabal_src_compile "$@"
447
448 popd > /dev/null
449}
450
451haskell-cabal_src_test() {
452 pushd "${S}" > /dev/null
453
454 if cabal-is-dummy-lib; then
455 einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}"
456 else
457 einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}"
458 set -- test "$@"
459 echo ./setup "$@"
460 ./setup "$@" || die "cabal test failed"
461 fi
462
463 popd > /dev/null
338} 464}
339 465
340# exported function: cabal-style copy and register 466# exported function: cabal-style copy and register
341cabal_src_install() { 467cabal_src_install() {
468 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
469
342 if cabal-is-dummy-lib; then 470 if ! cabal-is-dummy-lib; then
343 # create a dummy local package conf file for the sake of ghc-updater
344 dodir "$(ghc-confdir)"
345 echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
346 else
347 cabal-copy 471 cabal-copy
348 cabal-pkg 472 cabal-pkg
473 fi
349 474
350 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 475 # create a dummy local package conf file for haskell-updater
351 if ! version_is_at_least "1.1.6" "$(cabal-version)"; then 476 # if it does not exist (dummy libraries and binaries w/o libraries)
352 dohtml -r dist/doc/html/* 477 local ghc_confdir_with_prefix="$(ghc-confdir)"
478 # remove EPREFIX
479 dodir ${ghc_confdir_with_prefix#${EPREFIX}}
480 local conf_file="${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
481 [[ -e $conf_file ]] || echo '[]' > "$conf_file" || die
482
483 # make sure installed packages do not destroy ghc's
484 # bundled packages
485 local initial_pkg_db=${ROOT}/$(ghc-libdir)/package.conf.d.initial
486 if [[ -e ${initial_pkg_db} ]]; then
487 local checked_pkg
488 for checked_pkg in $(ghc-listpkg "${conf_file}")
489 do
490 local initial_pkg
491 for initial_pkg in $(ghc-listpkg "${initial_pkg_db}"); do
492 if [[ ${checked_pkg} = ${initial_pkg} ]]; then
493 eerror "Package ${checked_pkg} is shipped with $(ghc-version)."
494 eerror "Ebuild author forgot CABAL_CORE_LIB_GHC_PV entry."
495 eerror "Found in ${initial_pkg_db}."
496 die
353 fi 497 fi
498 done
499 done
354 fi 500 fi
355 fi
356} 501}
502
357haskell-cabal_src_install() { 503haskell-cabal_src_install() {
504 pushd "${S}" > /dev/null
505
358 cabal_src_install 506 cabal_src_install
359}
360 507
361EXPORT_FUNCTIONS pkg_setup src_compile src_install 508 popd > /dev/null
509}
510
511# ebuild.sh:use_enable() taken as base
512#
513# Usage examples:
514#
515# CABAL_CONFIGURE_FLAGS=$(cabal_flag gui)
516# leads to "--flags=gui" or "--flags=-gui" (useflag 'gui')
517#
518# CABAL_CONFIGURE_FLAGS=$(cabal_flag gtk gui)
519# also leads to "--flags=gui" or " --flags=-gui" (useflag 'gtk')
520#
521cabal_flag() {
522 if [[ -z "$1" ]]; then
523 echo "!!! cabal_flag() called without a parameter." >&2
524 echo "!!! cabal_flag() <USEFLAG> [<cabal_flagname>]" >&2
525 return 1
526 fi
527
528 local UWORD=${2:-$1}
529
530 if use "$1"; then
531 echo "--flags=${UWORD}"
532 else
533 echo "--flags=-${UWORD}"
534 fi
535
536 return 0
537}

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