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1# Copyright 1999-2006 Gentoo Foundation 1# Copyright 1999-2006 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 1.10 2007/03/13 12:02:04 kosmikus Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/haskell-cabal.eclass,v 1.15 2009/07/27 19:03:20 kolmodin 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#
38# in the ebuild. 38# in the ebuild.
39# 39#
40# Special flags to Cabal Configure can now be set by using 40# Special flags to Cabal Configure can now be set by using
41# CABAL_CONFIGURE_FLAGS 41# CABAL_CONFIGURE_FLAGS
42 42
43inherit ghc-package 43inherit ghc-package multilib
44 44
45 45
46for feature in ${CABAL_FEATURES}; do 46for feature in ${CABAL_FEATURES}; do
47 case ${feature} in 47 case ${feature} in
48 haddock) CABAL_USE_HADDOCK=yes;; 48 haddock) CABAL_USE_HADDOCK=yes;;
59done 59done
60 60
61if [[ -n "${CABAL_USE_HADDOCK}" ]]; then 61if [[ -n "${CABAL_USE_HADDOCK}" ]]; then
62 IUSE="${IUSE} doc" 62 IUSE="${IUSE} doc"
63 DEPEND="${DEPEND} doc? ( dev-haskell/haddock )" 63 DEPEND="${DEPEND} doc? ( dev-haskell/haddock )"
64 cabalconf="${cabalconf} --with-haddock=/usr/bin/haddock"
65fi 64fi
66 65
67if [[ -n "${CABAL_USE_ALEX}" ]]; then 66if [[ -n "${CABAL_USE_ALEX}" ]]; then
68 DEPEND="${DEPEND} dev-haskell/alex" 67 DEPEND="${DEPEND} dev-haskell/alex"
69 cabalconf="${cabalconf} --with-alex=/usr/bin/alex" 68 cabalconf="${cabalconf} --with-alex=/usr/bin/alex"
88 IUSE="${IUSE} profile" 87 IUSE="${IUSE} profile"
89fi 88fi
90 89
91# We always use a standalone version of Cabal, rather than the one that comes 90# We always use a standalone version of Cabal, rather than the one that comes
92# with GHC. But of course we can't depend on cabal when building cabal itself. 91# with GHC. But of course we can't depend on cabal when building cabal itself.
92if [[ -z ${CABAL_MIN_VERSION} ]]; then
93 CABAL_MIN_VERSION=1.1.4
94fi
93if [[ -z "${CABAL_BOOTSTRAP}" ]]; then 95if [[ -z "${CABAL_BOOTSTRAP}" ]]; then
94 DEPEND="${DEPEND} >=dev-haskell/cabal-1.1.3" 96 DEPEND="${DEPEND} >=dev-haskell/cabal-${CABAL_MIN_VERSION}"
95fi 97fi
96 98
97# Libraries require GHC to be installed. 99# Libraries require GHC to be installed.
98if [[ -n "${CABAL_HAS_LIBRARIES}" ]]; then 100if [[ -n "${CABAL_HAS_LIBRARIES}" ]]; then
99 RDEPEND="${RDEPEND} virtual/ghc" 101 RDEPEND="${RDEPEND} dev-lang/ghc"
102fi
103
104# returns the version of cabal currently in use
105_CABAL_VERSION_CACHE=""
106cabal-version() {
107 if [[ -z "${_CABAL_VERSION_CACHE}" ]]; then
108 if [[ "${CABAL_BOOTSTRAP}" ]]; then
109 # We're bootstrapping cabal, so the cabal version is the version
110 # of this package itself.
111 _CABAL_VERSION_CACHE="${PV}"
112 else
113 # We ask portage, not ghc, so that we only pick up
114 # portage-installed cabal versions.
115 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)"
116 fi
100fi 117 fi
118 echo "${_CABAL_VERSION_CACHE}"
119}
101 120
102cabal-bootstrap() { 121cabal-bootstrap() {
103 local setupmodule 122 local setupmodule
104 local cabalversion 123 local cabalpackage
105 if [[ -f "${S}/Setup.lhs" ]]; then 124 if [[ -f "${S}/Setup.lhs" ]]; then
106 setupmodule="${S}/Setup.lhs" 125 setupmodule="${S}/Setup.lhs"
107 else 126 else
108 if [[ -f "${S}/Setup.hs" ]]; then 127 if [[ -f "${S}/Setup.hs" ]]; then
109 setupmodule="${S}/Setup.hs" 128 setupmodule="${S}/Setup.hs"
112 fi 131 fi
113 fi 132 fi
114 133
115 # We build the setup program using the latest version of 134 # We build the setup program using the latest version of
116 # cabal that we have installed 135 # cabal that we have installed
117 cabalversion=$(ghc-bestcabalversion) 136 if version_is_at_least "6.4" "$(ghc-version)"; then
137 cabalpackage=Cabal-$(cabal-version)
138 else
139 # older ghc's don't support package versioning
140 cabalpackage=Cabal
141 fi
118 einfo "Using ${cabalversion}." 142 einfo "Using cabal-$(cabal-version)."
119 $(ghc-getghc) -package "${cabalversion}" --make "${setupmodule}" -o setup \ 143 $(ghc-getghc) -package "${cabalpackage}" --make "${setupmodule}" -o setup \
120 || die "compiling ${setupmodule} failed" 144 || die "compiling ${setupmodule} failed"
145}
146
147cabal-mksetup() {
148 local setupdir
149
150 if [[ -n $1 ]]; then
151 setupdir=$1
152 else
153 setupdir=${S}
154 fi
155
156 rm -f "${setupdir}"/Setup.{lhs,hs}
157
158 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \
159 > $setupdir/Setup.hs
121} 160}
122 161
123cabal-haddock() { 162cabal-haddock() {
124 ./setup haddock || die "setup haddock failed" 163 ./setup haddock || die "setup haddock failed"
125} 164}
126 165
127cabal-configure() { 166cabal-configure() {
167 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
168 cabalconf="${cabalconf} --with-haddock=/usr/bin/haddock"
169 fi
128 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then 170 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then
129 cabalconf="${cabalconf} --enable-executable-profiling";
130 cabalconf="${cabalconf} --enable-library-profiling" 171 cabalconf="${cabalconf} --enable-library-profiling"
131 fi 172 fi
132 # Building GHCi libs on ppc64 causes "TOC overflow". 173 # Building GHCi libs on ppc64 causes "TOC overflow".
133 if use ppc64; then 174 if use ppc64; then
134 cabalconf="${cabalconf} --disable-library-for-ghci" 175 cabalconf="${cabalconf} --disable-library-for-ghci"
135 fi 176 fi
177
178 if version_is_at_least "1.2.0" "$(cabal-version)"; then
179 cabalconf="${cabalconf} --docdir=/usr/share/doc/${PF}"
180 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes
181 # it's better if the configure chatter is in the build logs:
182 cabalconf="${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.
136 189
137 ./setup configure \ 190 ./setup configure \
138 --ghc --prefix=/usr \ 191 --ghc --prefix=/usr \
139 --with-compiler="$(ghc-getghc)" \ 192 --with-compiler="$(ghc-getghc)" \
140 --with-hc-pkg="$(ghc-getghcpkg)" \ 193 --with-hc-pkg="$(ghc-getghcpkg)" \
194 --prefix=/usr \
195 --libdir=/usr/$(get_libdir) \
196 --libsubdir=${P}/ghc-$(ghc-version) \
197 --datadir=/usr/share/ \
198 --datasubdir=${P}/ghc-$(ghc-version) \
141 ${cabalconf} \ 199 ${cabalconf} \
142 ${CABAL_CONFIGURE_FLAGS} \ 200 ${CABAL_CONFIGURE_FLAGS} \
143 "$@" || die "setup configure failed" 201 "$@" || die "setup configure failed"
144} 202}
145 203
146cabal-build() { 204cabal-build() {
205 unset LANG LC_ALL LC_MESSAGES
147 ./setup build \ 206 ./setup build \
148 || die "setup build failed" 207 || die "setup build failed"
149} 208}
150 209
151cabal-copy() { 210cabal-copy() {
152 ./setup copy \ 211 ./setup copy \
153 --copy-prefix="${D}/usr" \ 212 --destdir="${D}" \
154 || die "setup copy failed" 213 || die "setup copy failed"
155 214
156 # cabal is a bit eager about creating dirs, 215 # cabal is a bit eager about creating dirs,
157 # so remove them if they are empty 216 # so remove them if they are empty
158 rmdir "${D}/usr/bin" 2> /dev/null 217 rmdir "${D}/usr/bin" 2> /dev/null
161 # no workaround. 220 # no workaround.
162 # set the +x permission on executables 221 # set the +x permission on executables
163 if [[ -d "${D}/usr/bin" ]] ; then 222 if [[ -d "${D}/usr/bin" ]] ; then
164 chmod +x "${D}/usr/bin/"* 223 chmod +x "${D}/usr/bin/"*
165 fi 224 fi
225 # TODO: do we still need this?
166} 226}
167 227
168cabal-pkg() { 228cabal-pkg() {
169 # This does not actually register since we're using true instead 229 # This does not actually register since we're using true instead
170 # of ghc-pkg. So it just leaves the .installed-pkg-config and we can 230 # of ghc-pkg. So it just leaves the .installed-pkg-config and we can
171 # register that ourselves (if it exists). 231 # register that ourselves (if it exists).
172 local result 232 local result
173 local err 233 local err
174 234
175 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then 235 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then
176 sed -i "s|$(ghc-getghcpkg)|$(type -P true)|" .setup-config 236 if version_is_at_least "1.2.0" "$(cabal-version)"; then
177 ./setup register || die "setup register failed" 237 # Newer cabal can generate a package conf for us:
178 if [[ -f .installed-pkg-config ]]; then 238 ./setup register --gen-pkg-config="${T}/${P}.conf"
179 ghc-setup-pkg .installed-pkg-config 239 ghc-setup-pkg "${T}/${P}.conf"
180 ghc-install-pkg 240 ghc-install-pkg
181 else 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
182 die "setup register has not generated a package configuration file" 251 die "setup register has not generated a package configuration file"
183 fi 252 fi
184 fi 253 fi
254 fi
255}
256
257# Some cabal libs are bundled along with some versions of ghc
258# eg filepath-1.0 comes with ghc-6.6.1
259# by putting CABAL_CORE_LIB_GHC_PV="6.6.1" in an ebuild we are declaring that
260# when building with this version of ghc, the ebuild is a dummy that is it will
261# install no files since the package is already included with ghc.
262# However portage still records the dependency and we can upgrade the package
263# to a later one that's not included with ghc.
264# You can also put a space separated list, eg CABAL_CORE_LIB_GHC_PV="6.6 6.6.1".
265cabal-is-dummy-lib() {
266 for version in ${CABAL_CORE_LIB_GHC_PV[*]}; do
267 [[ "$(ghc-version)" == "$version" ]] && return 0
268 done
269 return 1
185} 270}
186 271
187# exported function: check if cabal is correctly installed for 272# exported function: check if cabal is correctly installed for
188# the currently active ghc (we cannot guarantee this with portage) 273# the currently active ghc (we cannot guarantee this with portage)
189haskell-cabal_pkg_setup() { 274haskell-cabal_pkg_setup() {
190 ghc-package_pkg_setup 275 ghc-package_pkg_setup
191 if [[ -z "${CABAL_BOOTSTRAP}" ]] && ! ghc-sanecabal "1.1.3"; then 276 if [[ -z "${CABAL_BOOTSTRAP}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
192 eerror "The package dev-haskell/cabal is not correctly installed for" 277 eerror "The package dev-haskell/cabal is not correctly installed for"
193 eerror "the currently active version of ghc ($(ghc-version)). Please" 278 eerror "the currently active version of ghc ($(ghc-version)). Please"
194 eerror "run ghc-updater or re-emerge dev-haskell/cabal." 279 eerror "run ghc-updater or re-emerge dev-haskell/cabal."
195 die "cabal is not correctly installed" 280 die "cabal is not correctly installed"
196 fi 281 fi
197 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then 282 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then
198 eerror "QA: Neither bin nor lib are in CABAL_FEATURES." 283 eerror "QA: Neither bin nor lib are in CABAL_FEATURES."
199 fi 284 fi
200 if [[ -n "${CABAL_UNKNOWN}" ]]; then 285 if [[ -n "${CABAL_UNKNOWN}" ]]; then
201 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNONW}" 286 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}"
287 fi
288 if cabal-is-dummy-lib; then
289 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
202 fi 290 fi
203} 291}
204 292
205# exported function: cabal-style bootstrap configure and compile 293# exported function: cabal-style bootstrap configure and compile
206cabal_src_compile() { 294cabal_src_compile() {
295 if ! cabal-is-dummy-lib; then
207 cabal-bootstrap 296 cabal-bootstrap
208 cabal-configure 297 cabal-configure
209 cabal-build 298 cabal-build
210 299
211 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 300 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
212 cabal-haddock 301 cabal-haddock
302 fi
213 fi 303 fi
214} 304}
215haskell-cabal_src_compile() { 305haskell-cabal_src_compile() {
216 cabal_src_compile 306 cabal_src_compile
217} 307}
218 308
219# exported function: cabal-style copy and register 309# exported function: cabal-style copy and register
220cabal_src_install() { 310cabal_src_install() {
311 if cabal-is-dummy-lib; then
312 # create a dummy local package conf file for the sake of ghc-updater
313 dodir "$(ghc-confdir)"
314 echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
315 else
221 cabal-copy 316 cabal-copy
222 cabal-pkg 317 cabal-pkg
223 318
224 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 319 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
320 if ! version_is_at_least "1.1.6" "$(cabal-version)"; then
225 dohtml -r dist/doc/html/* 321 dohtml -r dist/doc/html/*
322 fi
323 fi
226 fi 324 fi
227} 325}
228haskell-cabal_src_install() { 326haskell-cabal_src_install() {
229 cabal_src_install 327 cabal_src_install
230} 328}

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