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1# Copyright 1999-2006 Gentoo Foundation 1# Copyright 1999-2011 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 1.24 2011/05/08 15:13:10 slyfox Exp $
4# 4#
5# Original authors: Andres Loeh <kosmikus@gentoo.org> 5# Original authors: Andres Loeh <kosmikus@gentoo.org>
6# Duncan Coutts <dcoutts@gentoo.org> 6# Duncan Coutts <dcoutts@gentoo.org>
7# Maintained by: Haskell herd <haskell@gentoo.org> 7# Maintained by: Haskell herd <haskell@gentoo.org>
8# 8#
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#
33# Dependencies on other cabal packages have to be specified 34# Dependencies on other cabal packages have to be specified
34# correctly. 35# correctly.
35# 36#
36# Cabal libraries should usually be SLOTted with "${PV}". 37# Cabal libraries should usually be SLOTted with "${PV}".
42# 43#
43# Special flags to Cabal Configure can now be set by using 44# Special flags to Cabal Configure can now be set by using
44# CABAL_CONFIGURE_FLAGS 45# CABAL_CONFIGURE_FLAGS
45 46
46inherit ghc-package multilib 47inherit ghc-package multilib
48
49# @ECLASS-VARIABLE: CABAL_EXTRA_CONFIGURE_FLAGS
50# @DESCRIPTION:
51# User-specified additional parameters passed to 'setup configure'.
52# example: /etc/make.conf: CABAL_EXTRA_CONFIGURE_FLAGS=--enable-shared
53: ${CABAL_EXTRA_CONFIGURE_FLAGS:=}
54
55# @ECLASS-VARIABLE: GHC_BOOTSTRAP_FLAGS
56# @DESCRIPTION:
57# User-specified additional parameters for ghc when building
58# _only_ 'setup' binary bootstrap.
59# example: /etc/make.conf: GHC_BOOTSTRAP_FLAGS=-dynamic to make
60# linking 'setup' faster.
61: ${GHC_BOOTSTRAP_FLAGS:=}
47 62
48HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install" 63HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install"
49 64
50case "${EAPI:-0}" in 65case "${EAPI:-0}" in
51 2|3|4) HASKELL_CABAL_EXPF+=" src_configure" ;; 66 2|3|4) HASKELL_CABAL_EXPF+=" src_configure" ;;
55EXPORT_FUNCTIONS ${HASKELL_CABAL_EXPF} 70EXPORT_FUNCTIONS ${HASKELL_CABAL_EXPF}
56 71
57for feature in ${CABAL_FEATURES}; do 72for feature in ${CABAL_FEATURES}; do
58 case ${feature} in 73 case ${feature} in
59 haddock) CABAL_USE_HADDOCK=yes;; 74 haddock) CABAL_USE_HADDOCK=yes;;
75 hscolour) CABAL_USE_HSCOLOUR=yes;;
60 alex) CABAL_USE_ALEX=yes;; 76 alex) CABAL_USE_ALEX=yes;;
61 happy) CABAL_USE_HAPPY=yes;; 77 happy) CABAL_USE_HAPPY=yes;;
62 c2hs) CABAL_USE_C2HS=yes;; 78 c2hs) CABAL_USE_C2HS=yes;;
63 cpphs) CABAL_USE_CPPHS=yes;; 79 cpphs) CABAL_USE_CPPHS=yes;;
64 profile) CABAL_USE_PROFILE=yes;; 80 profile) CABAL_USE_PROFILE=yes;;
73if [[ -n "${CABAL_USE_HADDOCK}" ]]; then 89if [[ -n "${CABAL_USE_HADDOCK}" ]]; then
74 IUSE="${IUSE} doc" 90 IUSE="${IUSE} doc"
75 DEPEND="${DEPEND} doc? ( dev-haskell/haddock )" 91 DEPEND="${DEPEND} doc? ( dev-haskell/haddock )"
76fi 92fi
77 93
94if [[ -n "${CABAL_USE_HSCOLOUR}" ]]; then
95 IUSE="${IUSE} hscolour"
96 DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )"
97fi
98
78if [[ -n "${CABAL_USE_ALEX}" ]]; then 99if [[ -n "${CABAL_USE_ALEX}" ]]; then
79 DEPEND="${DEPEND} dev-haskell/alex" 100 DEPEND="${DEPEND} dev-haskell/alex"
80 cabalconf="${cabalconf} --with-alex=/usr/bin/alex"
81fi 101fi
82 102
83if [[ -n "${CABAL_USE_HAPPY}" ]]; then 103if [[ -n "${CABAL_USE_HAPPY}" ]]; then
84 DEPEND="${DEPEND} dev-haskell/happy" 104 DEPEND="${DEPEND} dev-haskell/happy"
85 cabalconf="${cabalconf} --with-happy=/usr/bin/happy"
86fi 105fi
87 106
88if [[ -n "${CABAL_USE_C2HS}" ]]; then 107if [[ -n "${CABAL_USE_C2HS}" ]]; then
89 DEPEND="${DEPEND} dev-haskell/c2hs" 108 DEPEND="${DEPEND} dev-haskell/c2hs"
90 cabalconf="${cabalconf} --with-c2hs=/usr/bin/c2hs"
91fi 109fi
92 110
93if [[ -n "${CABAL_USE_CPPHS}" ]]; then 111if [[ -n "${CABAL_USE_CPPHS}" ]]; then
94 DEPEND="${DEPEND} dev-haskell/cpphs" 112 DEPEND="${DEPEND} dev-haskell/cpphs"
95 cabalconf="${cabalconf} --with-cpphs=/usr/bin/cpphs"
96fi 113fi
97 114
98if [[ -n "${CABAL_USE_PROFILE}" ]]; then 115if [[ -n "${CABAL_USE_PROFILE}" ]]; then
99 IUSE="${IUSE} profile" 116 IUSE="${IUSE} profile"
100fi 117fi
120 if [[ "${CABAL_BOOTSTRAP}" ]]; then 137 if [[ "${CABAL_BOOTSTRAP}" ]]; then
121 # We're bootstrapping cabal, so the cabal version is the version 138 # We're bootstrapping cabal, so the cabal version is the version
122 # of this package itself. 139 # of this package itself.
123 _CABAL_VERSION_CACHE="${PV}" 140 _CABAL_VERSION_CACHE="${PV}"
124 elif [[ "${CABAL_FROM_GHC}" ]]; then 141 elif [[ "${CABAL_FROM_GHC}" ]]; then
125 # We can't assume there's a version of Cabal installed by ebuild as 142 local cabal_package=$(echo "$(ghc-libdir)"/Cabal-*)
126 # this might be a first time install of GHC (for packages that 143 # /path/to/ghc/Cabal-${VER} -> ${VER}
127 # use the shipped Cabal like haskell-updater). 144 _CABAL_VERSION_CACHE="${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 145 else
141 # We ask portage, not ghc, so that we only pick up 146 # We ask portage, not ghc, so that we only pick up
142 # portage-installed cabal versions. 147 # portage-installed cabal versions.
143 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)" 148 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)"
144 fi 149 fi
166 else 171 else
167 # older ghc's don't support package versioning 172 # older ghc's don't support package versioning
168 cabalpackage=Cabal 173 cabalpackage=Cabal
169 fi 174 fi
170 einfo "Using cabal-$(cabal-version)." 175 einfo "Using cabal-$(cabal-version)."
176
177 make_setup() {
171 $(ghc-getghc) -package "${cabalpackage}" --make "${setupmodule}" -o setup \ 178 $(ghc-getghc) -package "${cabalpackage}" --make "${setupmodule}" \
179 ${GHC_BOOTSTRAP_FLAGS} \
180 "$@" \
181 -o setup
182 }
183 if $(ghc-supports-shared-libraries); then
184 # some custom build systems might use external libraries,
185 # for which we don't have shared libs, so keep static fallback
186 make_setup -dynamic "$@" || make_setup "$@" || die "compiling ${setupmodule} failed"
187 else
172 || die "compiling ${setupmodule} failed" 188 make_setup "$@" || die "compiling ${setupmodule} failed"
189 fi
173} 190}
174 191
175cabal-mksetup() { 192cabal-mksetup() {
176 local setupdir 193 local setupdir
177 194
185 202
186 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \ 203 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \
187 > $setupdir/Setup.hs 204 > $setupdir/Setup.hs
188} 205}
189 206
207cabal-hscolour() {
208 ./setup hscolour || die "setup hscolour failed"
209}
210
190cabal-haddock() { 211cabal-haddock() {
191 ./setup haddock || die "setup haddock failed" 212 ./setup haddock || die "setup haddock failed"
192} 213}
193 214
215cabal-hscolour-haddock() {
216 # --hyperlink-source implies calling 'setup hscolour'
217 ./setup haddock --hyperlink-source || die "setup haddock failed"
218}
219
194cabal-configure() { 220cabal-configure() {
221 has "${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=${EPREFIX}/usr/bin/cpphs"
242 fi
243
201 # Building GHCi libs on ppc64 causes "TOC overflow". 244 # Building GHCi libs on ppc64 causes "TOC overflow".
202 if use ppc64; then 245 if use ppc64; then
203 cabalconf="${cabalconf} --disable-library-for-ghci" 246 cabalconf="${cabalconf} --disable-library-for-ghci"
204 fi 247 fi
248
249 # currently cabal does not respect CFLAGS and LDFLAGS on it's own (bug #333217)
250 # so translate LDFLAGS to ghc parameters (without filtering)
251 local flag
252 for flag in $LDFLAGS; do cabalconf="${cabalconf} --ghc-option=-optl$flag"; done
205 253
206 if version_is_at_least "1.4" "$(cabal-version)"; then 254 if version_is_at_least "1.4" "$(cabal-version)"; then
207 # disable executable stripping for the executables, as portage will 255 # disable executable stripping for the executables, as portage will
208 # strip by itself, and pre-stripping gives a QA warning. 256 # strip by itself, and pre-stripping gives a QA warning.
209 # cabal versions previous to 1.4 does not strip executables, and does 257 # cabal versions previous to 1.4 does not strip executables, and does
212 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494 260 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494
213 cabalconf="${cabalconf} --disable-executable-stripping" 261 cabalconf="${cabalconf} --disable-executable-stripping"
214 fi 262 fi
215 263
216 if version_is_at_least "1.2.0" "$(cabal-version)"; then 264 if version_is_at_least "1.2.0" "$(cabal-version)"; then
217 cabalconf="${cabalconf} --docdir=/usr/share/doc/${PF}" 265 cabalconf="${cabalconf} --docdir=${EPREFIX}/usr/share/doc/${PF}"
218 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes 266 # 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: 267 # it's better if the configure chatter is in the build logs:
220 cabalconf="${cabalconf} --verbose" 268 cabalconf="${cabalconf} --verbose"
221 fi 269 fi
222 # Note: with Cabal-1.1.6.x we do not have enough control 270 # 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 271 # to put the docs into the right place. They're currently going
224 # into /usr/share/${P}/ghc-x.y/doc/ 272 # into /usr/share/${P}/ghc-x.y/doc/
225 # rather than /usr/share/doc/${PF}/ 273 # rather than /usr/share/doc/${PF}/
226 # Because we can only set the datadir, not the docdir. 274 # Because we can only set the datadir, not the docdir.
227 275
276 # We build shared version of our Cabal where ghc ships it's shared
277 # version of it. We will link ./setup as dynamic binary againt Cabal later.
278 [[ ${CATEGORY}/${PN} == "dev-haskell/cabal" ]] && \
279 $(ghc-supports-shared-libraries) && \
280 cabalconf="${cabalconf} --enable-shared"
281
228 ./setup configure \ 282 ./setup configure \
229 --ghc --prefix=/usr \ 283 --ghc --prefix="${EPREFIX}"/usr \
230 --with-compiler="$(ghc-getghc)" \ 284 --with-compiler="$(ghc-getghc)" \
231 --with-hc-pkg="$(ghc-getghcpkg)" \ 285 --with-hc-pkg="$(ghc-getghcpkg)" \
232 --prefix=/usr \ 286 --prefix="${EPREFIX}"/usr \
233 --libdir=/usr/$(get_libdir) \ 287 --libdir="${EPREFIX}"/usr/$(get_libdir) \
234 --libsubdir=${P}/ghc-$(ghc-version) \ 288 --libsubdir=${P}/ghc-$(ghc-version) \
235 --datadir=/usr/share/ \ 289 --datadir="${EPREFIX}"/usr/share/ \
236 --datasubdir=${P}/ghc-$(ghc-version) \ 290 --datasubdir=${P}/ghc-$(ghc-version) \
237 ${cabalconf} \ 291 ${cabalconf} \
238 ${CABAL_CONFIGURE_FLAGS} \ 292 ${CABAL_CONFIGURE_FLAGS} \
293 ${CABAL_EXTRA_CONFIGURE_FLAGS} \
239 "$@" || die "setup configure failed" 294 "$@" || die "setup configure failed"
240} 295}
241 296
242cabal-build() { 297cabal-build() {
243 unset LANG LC_ALL LC_MESSAGES 298 unset LANG LC_ALL LC_MESSAGES
244 ./setup build \ 299 ./setup build \
245 || die "setup build failed" 300 || die "setup build failed"
246} 301}
247 302
248cabal-copy() { 303cabal-copy() {
304 has "${EAPI:-0}" 0 1 2 && ! use prefix && ED=${D}
305
249 ./setup copy \ 306 ./setup copy \
250 --destdir="${D}" \ 307 --destdir="${D}" \
251 || die "setup copy failed" 308 || die "setup copy failed"
252 309
253 # cabal is a bit eager about creating dirs, 310 # cabal is a bit eager about creating dirs,
254 # so remove them if they are empty 311 # so remove them if they are empty
255 rmdir "${D}/usr/bin" 2> /dev/null 312 rmdir "${ED}/usr/bin" 2> /dev/null
256 313
257 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has 314 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has
258 # no workaround. 315 # no workaround.
259 # set the +x permission on executables 316 # set the +x permission on executables
260 if [[ -d "${D}/usr/bin" ]] ; then 317 if [[ -d "${ED}/usr/bin" ]] ; then
261 chmod +x "${D}/usr/bin/"* 318 chmod +x "${ED}/usr/bin/"*
262 fi 319 fi
263 # TODO: do we still need this? 320 # TODO: do we still need this?
264} 321}
265 322
266cabal-pkg() { 323cabal-pkg() {
327 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install." 384 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
328 fi 385 fi
329} 386}
330 387
331haskell-cabal_src_configure() { 388haskell-cabal_src_configure() {
389 if ! cabal-is-dummy-lib; then
332 pushd "${S}" > /dev/null 390 pushd "${S}" > /dev/null
333 391
334 cabal-bootstrap 392 cabal-bootstrap
393
335 cabal-configure "$@" 394 cabal-configure $ghc_flags "$@"
336 395
337 popd > /dev/null 396 popd > /dev/null
397 fi
338} 398}
339 399
340# exported function: nice alias 400# exported function: nice alias
341cabal_src_configure() { 401cabal_src_configure() {
342 haskell-cabal_src_configure "$@" 402 haskell-cabal_src_configure "$@"
343} 403}
344 404
345# exported function: cabal-style bootstrap configure and compile 405# exported function: cabal-style bootstrap configure and compile
346cabal_src_compile() { 406cabal_src_compile() {
407 # it's a common mistake when one bumps ebuild to EAPI="2" (and upper)
408 # and forgets to separate src_compile() to src_configure()/src_compile().
409 # Such error leads to default src_configure and we lose all passed flags.
410 if ! has "${EAPI:-0}" 0 1; then
411 local passed_flag
412 for passed_flag in "$@"; do
413 [[ ${passed_flag} == --flags=* ]] && \
414 eqawarn "Cabal option '${passed_flag}' has effect only in src_configure()"
415 done
416 fi
417
347 if ! cabal-is-dummy-lib; then 418 if ! cabal-is-dummy-lib; then
348 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@" 419 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
349 cabal-build 420 cabal-build
350 421
351 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 422 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
423 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
424 # hscolour and haddock
425 cabal-hscolour-haddock
426 else
427 # just haddock
352 cabal-haddock 428 cabal-haddock
429 fi
430 else
431 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
432 # just hscolour
433 cabal-hscolour
434 fi
353 fi 435 fi
354 fi 436 fi
355} 437}
356 438
357haskell-cabal_src_compile() { 439haskell-cabal_src_compile() {
375 popd > /dev/null 457 popd > /dev/null
376} 458}
377 459
378# exported function: cabal-style copy and register 460# exported function: cabal-style copy and register
379cabal_src_install() { 461cabal_src_install() {
462 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
463
380 if cabal-is-dummy-lib; then 464 if cabal-is-dummy-lib; then
381 # create a dummy local package conf file for the sake of ghc-updater 465 # create a dummy local package conf file for the sake of ghc-updater
382 dodir "$(ghc-confdir)" 466 local ghc_confdir_with_prefix="$(ghc-confdir)"
467 # remove EPREFIX
468 dodir ${ghc_confdir_with_prefix#${EPREFIX}}
383 echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)" 469 echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
384 else 470 else
385 cabal-copy 471 cabal-copy
386 cabal-pkg 472 cabal-pkg
387 473

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