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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 1.21 2010/08/07 12:06:27 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#
26# profile -- if package supports to build profiling-enabled libraries 26# profile -- if package supports to build profiling-enabled libraries
27# bootstrap -- only used for the cabal package itself 27# bootstrap -- only used for the cabal package itself
28# bin -- the package installs binaries 28# bin -- the package installs binaries
29# lib -- the package installs libraries 29# lib -- the package installs libraries
30# nocabaldep -- don't add dependency on cabal. 30# nocabaldep -- don't add dependency on cabal.
31# only used for packages that _must_ not pull the dependency 31# only used for packages that _must_ not pull the dependency
32# on cabal, but still use this eclass (e.g. haskell-updater). 32# on cabal, but still use this eclass (e.g. haskell-updater).
33# 33#
34# Dependencies on other cabal packages have to be specified 34# Dependencies on other cabal packages have to be specified
35# correctly. 35# correctly.
36# 36#
37# Cabal libraries should usually be SLOTted with "${PV}". 37# Cabal libraries should usually be SLOTted with "${PV}".
43# 43#
44# Special flags to Cabal Configure can now be set by using 44# Special flags to Cabal Configure can now be set by using
45# CABAL_CONFIGURE_FLAGS 45# CABAL_CONFIGURE_FLAGS
46 46
47inherit 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: ${GHC_BOOTSTRAP_FLAGS:=}
48 62
49HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install" 63HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install"
50 64
51case "${EAPI:-0}" in 65case "${EAPI:-0}" in
52 2|3|4) HASKELL_CABAL_EXPF+=" src_configure" ;; 66 2|3|4) HASKELL_CABAL_EXPF+=" src_configure" ;;
82 DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )" 96 DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )"
83fi 97fi
84 98
85if [[ -n "${CABAL_USE_ALEX}" ]]; then 99if [[ -n "${CABAL_USE_ALEX}" ]]; then
86 DEPEND="${DEPEND} dev-haskell/alex" 100 DEPEND="${DEPEND} dev-haskell/alex"
87 cabalconf="${cabalconf} --with-alex=/usr/bin/alex"
88fi 101fi
89 102
90if [[ -n "${CABAL_USE_HAPPY}" ]]; then 103if [[ -n "${CABAL_USE_HAPPY}" ]]; then
91 DEPEND="${DEPEND} dev-haskell/happy" 104 DEPEND="${DEPEND} dev-haskell/happy"
92 cabalconf="${cabalconf} --with-happy=/usr/bin/happy"
93fi 105fi
94 106
95if [[ -n "${CABAL_USE_C2HS}" ]]; then 107if [[ -n "${CABAL_USE_C2HS}" ]]; then
96 DEPEND="${DEPEND} dev-haskell/c2hs" 108 DEPEND="${DEPEND} dev-haskell/c2hs"
97 cabalconf="${cabalconf} --with-c2hs=/usr/bin/c2hs"
98fi 109fi
99 110
100if [[ -n "${CABAL_USE_CPPHS}" ]]; then 111if [[ -n "${CABAL_USE_CPPHS}" ]]; then
101 DEPEND="${DEPEND} dev-haskell/cpphs" 112 DEPEND="${DEPEND} dev-haskell/cpphs"
102 cabalconf="${cabalconf} --with-cpphs=/usr/bin/cpphs"
103fi 113fi
104 114
105if [[ -n "${CABAL_USE_PROFILE}" ]]; then 115if [[ -n "${CABAL_USE_PROFILE}" ]]; then
106 IUSE="${IUSE} profile" 116 IUSE="${IUSE} profile"
107fi 117fi
127 if [[ "${CABAL_BOOTSTRAP}" ]]; then 137 if [[ "${CABAL_BOOTSTRAP}" ]]; then
128 # We're bootstrapping cabal, so the cabal version is the version 138 # We're bootstrapping cabal, so the cabal version is the version
129 # of this package itself. 139 # of this package itself.
130 _CABAL_VERSION_CACHE="${PV}" 140 _CABAL_VERSION_CACHE="${PV}"
131 elif [[ "${CABAL_FROM_GHC}" ]]; then 141 elif [[ "${CABAL_FROM_GHC}" ]]; then
132 # We can't assume there's a version of Cabal installed by ebuild as 142 local cabal_package=$(echo "$(ghc-libdir)"/Cabal-*)
133 # this might be a first time install of GHC (for packages that 143 # /path/to/ghc/Cabal-${VER} -> ${VER}
134 # use the shipped Cabal like haskell-updater). 144 _CABAL_VERSION_CACHE="${cabal_package/*Cabal-/}"
135
136 # The user is likely to only have one version of Cabal, provided
137 # by GHC. Note that dev-haskell/cabal can be a dummy package, only
138 # using the version provided by GHC. If the user has another version
139 # of Cabal too (more recent than the one GHC provides through
140 # dev-haskell/cabal, or possibly older if he used an old
141 # Cabal package) the most recent is used (expected to be the last
142 # one in the ghc-pkg output).
143 _CABAL_VERSION_CACHE="$(ghc-pkg field Cabal version | tail -n 1)"
144
145 # Strip out the "version: " prefix
146 _CABAL_VERSION_CACHE="${_CABAL_VERSION_CACHE#"version: "}"
147 else 145 else
148 # We ask portage, not ghc, so that we only pick up 146 # We ask portage, not ghc, so that we only pick up
149 # portage-installed cabal versions. 147 # portage-installed cabal versions.
150 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)" 148 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)"
151 fi 149 fi
173 else 171 else
174 # older ghc's don't support package versioning 172 # older ghc's don't support package versioning
175 cabalpackage=Cabal 173 cabalpackage=Cabal
176 fi 174 fi
177 einfo "Using cabal-$(cabal-version)." 175 einfo "Using cabal-$(cabal-version)."
176
177 make_setup() {
178 $(ghc-getghc) -package "${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
179 || die "compiling ${setupmodule} failed" 188 make_setup "$@" || die "compiling ${setupmodule} failed"
189 fi
180} 190}
181 191
182cabal-mksetup() { 192cabal-mksetup() {
183 local setupdir 193 local setupdir
184 194
206 # --hyperlink-source implies calling 'setup hscolour' 216 # --hyperlink-source implies calling 'setup hscolour'
207 ./setup haddock --hyperlink-source || die "setup haddock failed" 217 ./setup haddock --hyperlink-source || die "setup haddock failed"
208} 218}
209 219
210cabal-configure() { 220cabal-configure() {
221 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
222
211 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 223 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
212 cabalconf="${cabalconf} --with-haddock=/usr/bin/haddock" 224 cabalconf="${cabalconf} --with-haddock=${EPREFIX}/usr/bin/haddock"
213 fi 225 fi
214 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then 226 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then
215 cabalconf="${cabalconf} --enable-library-profiling" 227 cabalconf="${cabalconf} --enable-library-profiling"
216 fi 228 fi
229 if [[ -n "${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=${EPREFIX}/usr/bin/cpphs"
242 fi
243
217 # Building GHCi libs on ppc64 causes "TOC overflow". 244 # Building GHCi libs on ppc64 causes "TOC overflow".
218 if use ppc64; then 245 if use ppc64; then
219 cabalconf="${cabalconf} --disable-library-for-ghci" 246 cabalconf="${cabalconf} --disable-library-for-ghci"
220 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$flag"; done
221 253
222 if version_is_at_least "1.4" "$(cabal-version)"; then 254 if version_is_at_least "1.4" "$(cabal-version)"; then
223 # disable executable stripping for the executables, as portage will 255 # disable executable stripping for the executables, as portage will
224 # strip by itself, and pre-stripping gives a QA warning. 256 # strip by itself, and pre-stripping gives a QA warning.
225 # cabal versions previous to 1.4 does not strip executables, and does 257 # cabal versions previous to 1.4 does not strip executables, and does
228 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494 260 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494
229 cabalconf="${cabalconf} --disable-executable-stripping" 261 cabalconf="${cabalconf} --disable-executable-stripping"
230 fi 262 fi
231 263
232 if version_is_at_least "1.2.0" "$(cabal-version)"; then 264 if version_is_at_least "1.2.0" "$(cabal-version)"; then
233 cabalconf="${cabalconf} --docdir=/usr/share/doc/${PF}" 265 cabalconf="${cabalconf} --docdir=${EPREFIX}/usr/share/doc/${PF}"
234 # 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
235 # 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:
236 cabalconf="${cabalconf} --verbose" 268 cabalconf="${cabalconf} --verbose"
237 fi 269 fi
238 # 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
239 # 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
240 # into /usr/share/${P}/ghc-x.y/doc/ 272 # into /usr/share/${P}/ghc-x.y/doc/
241 # rather than /usr/share/doc/${PF}/ 273 # rather than /usr/share/doc/${PF}/
242 # Because we can only set the datadir, not the docdir. 274 # Because we can only set the datadir, not the docdir.
243 275
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
244 ./setup configure \ 282 ./setup configure \
245 --ghc --prefix=/usr \ 283 --ghc --prefix="${EPREFIX}"/usr \
246 --with-compiler="$(ghc-getghc)" \ 284 --with-compiler="$(ghc-getghc)" \
247 --with-hc-pkg="$(ghc-getghcpkg)" \ 285 --with-hc-pkg="$(ghc-getghcpkg)" \
248 --prefix=/usr \ 286 --prefix="${EPREFIX}"/usr \
249 --libdir=/usr/$(get_libdir) \ 287 --libdir="${EPREFIX}"/usr/$(get_libdir) \
250 --libsubdir=${P}/ghc-$(ghc-version) \ 288 --libsubdir=${P}/ghc-$(ghc-version) \
251 --datadir=/usr/share/ \ 289 --datadir="${EPREFIX}"/usr/share/ \
252 --datasubdir=${P}/ghc-$(ghc-version) \ 290 --datasubdir=${P}/ghc-$(ghc-version) \
253 ${cabalconf} \ 291 ${cabalconf} \
254 ${CABAL_CONFIGURE_FLAGS} \ 292 ${CABAL_CONFIGURE_FLAGS} \
293 ${CABAL_EXTRA_CONFIGURE_FLAGS} \
255 "$@" || die "setup configure failed" 294 "$@" || die "setup configure failed"
256} 295}
257 296
258cabal-build() { 297cabal-build() {
259 unset LANG LC_ALL LC_MESSAGES 298 unset LANG LC_ALL LC_MESSAGES
260 ./setup build \ 299 ./setup build \
261 || die "setup build failed" 300 || die "setup build failed"
262} 301}
263 302
264cabal-copy() { 303cabal-copy() {
304 has "${EAPI:-0}" 0 1 2 && ! use prefix && ED=${D}
305
265 ./setup copy \ 306 ./setup copy \
266 --destdir="${D}" \ 307 --destdir="${D}" \
267 || die "setup copy failed" 308 || die "setup copy failed"
268 309
269 # cabal is a bit eager about creating dirs, 310 # cabal is a bit eager about creating dirs,
270 # so remove them if they are empty 311 # so remove them if they are empty
271 rmdir "${D}/usr/bin" 2> /dev/null 312 rmdir "${ED}/usr/bin" 2> /dev/null
272 313
273 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has 314 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has
274 # no workaround. 315 # no workaround.
275 # set the +x permission on executables 316 # set the +x permission on executables
276 if [[ -d "${D}/usr/bin" ]] ; then 317 if [[ -d "${ED}/usr/bin" ]] ; then
277 chmod +x "${D}/usr/bin/"* 318 chmod +x "${ED}/usr/bin/"*
278 fi 319 fi
279 # TODO: do we still need this? 320 # TODO: do we still need this?
280} 321}
281 322
282cabal-pkg() { 323cabal-pkg() {
343 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install." 384 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
344 fi 385 fi
345} 386}
346 387
347haskell-cabal_src_configure() { 388haskell-cabal_src_configure() {
389 if ! cabal-is-dummy-lib; then
348 pushd "${S}" > /dev/null 390 pushd "${S}" > /dev/null
349 391
350 cabal-bootstrap 392 cabal-bootstrap
393
351 cabal-configure "$@" 394 cabal-configure $ghc_flags "$@"
352 395
353 popd > /dev/null 396 popd > /dev/null
397 fi
354} 398}
355 399
356# exported function: nice alias 400# exported function: nice alias
357cabal_src_configure() { 401cabal_src_configure() {
358 haskell-cabal_src_configure "$@" 402 haskell-cabal_src_configure "$@"
359} 403}
360 404
361# exported function: cabal-style bootstrap configure and compile 405# exported function: cabal-style bootstrap configure and compile
362cabal_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
363 if ! cabal-is-dummy-lib; then 418 if ! cabal-is-dummy-lib; then
364 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@" 419 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
365 cabal-build 420 cabal-build
366 421
367 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 422 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
402 popd > /dev/null 457 popd > /dev/null
403} 458}
404 459
405# exported function: cabal-style copy and register 460# exported function: cabal-style copy and register
406cabal_src_install() { 461cabal_src_install() {
462 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
463
407 if cabal-is-dummy-lib; then 464 if cabal-is-dummy-lib; then
408 # create a dummy local package conf file for the sake of ghc-updater 465 # create a dummy local package conf file for the sake of ghc-updater
409 dodir "$(ghc-confdir)" 466 local ghc_confdir_with_prefix="$(ghc-confdir)"
467 # remove EPREFIX
468 dodir ${ghc_confdir_with_prefix#${EPREFIX}}
410 echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)" 469 echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
411 else 470 else
412 cabal-copy 471 cabal-copy
413 cabal-pkg 472 cabal-pkg
414 473

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