/[gentoo-x86]/eclass/haskell-cabal.eclass
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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 1.11 2007/07/25 18:07:02 dcoutts 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#
… …
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 ${CABAL_MIN_VERSION} ]]; then
93CABAL_MIN_VERSION=1.1.4 93 CABAL_MIN_VERSION=1.1.4
94fi
94if [[ -z "${CABAL_BOOTSTRAP}" ]]; then 95if [[ -z "${CABAL_BOOTSTRAP}" ]]; then
95 DEPEND="${DEPEND} >=dev-haskell/cabal-${CABAL_MIN_VERSION}" 96 DEPEND="${DEPEND} >=dev-haskell/cabal-${CABAL_MIN_VERSION}"
96fi 97fi
97 98
98# Libraries require GHC to be installed. 99# Libraries require GHC to be installed.
99if [[ -n "${CABAL_HAS_LIBRARIES}" ]]; then 100if [[ -n "${CABAL_HAS_LIBRARIES}" ]]; then
100 RDEPEND="${RDEPEND} dev-lang/ghc" 101 RDEPEND="${RDEPEND} dev-lang/ghc"
101fi 102fi
102 103
104# returns the version of cabal currently in use
105_CABAL_VERSION_CACHE=""
106cabal-version() {
107 if [[ -z "${_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="$(ghc-extractportageversion dev-haskell/cabal)"
116 fi
117 fi
118 echo "${_CABAL_VERSION_CACHE}"
119}
120
103cabal-bootstrap() { 121cabal-bootstrap() {
104 local setupmodule 122 local setupmodule
105 local cabalversion 123 local cabalpackage
106 if [[ -f "${S}/Setup.lhs" ]]; then 124 if [[ -f "${S}/Setup.lhs" ]]; then
107 setupmodule="${S}/Setup.lhs" 125 setupmodule="${S}/Setup.lhs"
108 else 126 else
109 if [[ -f "${S}/Setup.hs" ]]; then 127 if [[ -f "${S}/Setup.hs" ]]; then
110 setupmodule="${S}/Setup.hs" 128 setupmodule="${S}/Setup.hs"
… …
113 fi 131 fi
114 fi 132 fi
115 133
116 # We build the setup program using the latest version of 134 # We build the setup program using the latest version of
117 # cabal that we have installed 135 # cabal that we have installed
118 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
119 einfo "Using ${cabalversion}." 142 einfo "Using cabal-$(cabal-version)."
120 $(ghc-getghc) -package "${cabalversion}" --make "${setupmodule}" -o setup \ 143 $(ghc-getghc) -package "${cabalpackage}" --make "${setupmodule}" -o setup \
121 || 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 > $setupdir/Setup.hs
122} 160}
123 161
124cabal-haddock() { 162cabal-haddock() {
125 ./setup haddock || die "setup haddock failed" 163 ./setup haddock || die "setup haddock failed"
126} 164}
127 165
128cabal-configure() { 166cabal-configure() {
167 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
168 cabalconf="${cabalconf} --with-haddock=/usr/bin/haddock"
169 fi
129 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then 170 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then
130 cabalconf="${cabalconf} --enable-executable-profiling";
131 cabalconf="${cabalconf} --enable-library-profiling" 171 cabalconf="${cabalconf} --enable-library-profiling"
132 fi 172 fi
133 # Building GHCi libs on ppc64 causes "TOC overflow". 173 # Building GHCi libs on ppc64 causes "TOC overflow".
134 if use ppc64; then 174 if use ppc64; then
135 cabalconf="${cabalconf} --disable-library-for-ghci" 175 cabalconf="${cabalconf} --disable-library-for-ghci"
136 fi 176 fi
137 177
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
138 # Note: with Cabal-1.1.6.x we still do not have enough control 184 # Note: with Cabal-1.1.6.x we do not have enough control
139 # to put the docs into the right place. They're currently going 185 # to put the docs into the right place. They're currently going
140 # into /usr/share/${P}/ghc-x.y/doc/ 186 # into /usr/share/${P}/ghc-x.y/doc/
141 # rather than /usr/share/doc/${PF}/ 187 # rather than /usr/share/doc/${PF}/
142 # Because we can only set the datadir, not the docdir. 188 # Because we can only set the datadir, not the docdir.
143 189
… …
154 ${CABAL_CONFIGURE_FLAGS} \ 200 ${CABAL_CONFIGURE_FLAGS} \
155 "$@" || die "setup configure failed" 201 "$@" || die "setup configure failed"
156} 202}
157 203
158cabal-build() { 204cabal-build() {
205 unset LANG LC_ALL LC_MESSAGES
159 ./setup build \ 206 ./setup build \
160 || die "setup build failed" 207 || die "setup build failed"
161} 208}
162 209
163cabal-copy() { 210cabal-copy() {
… …
184 # register that ourselves (if it exists). 231 # register that ourselves (if it exists).
185 local result 232 local result
186 local err 233 local err
187 234
188 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then 235 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then
189 sed -i "s|$(ghc-getghcpkg)|$(which true)|" .setup-config 236 if version_is_at_least "1.2.0" "$(cabal-version)"; then
190 ./setup register || die "setup register failed" 237 # Newer cabal can generate a package conf for us:
191 if [[ -f .installed-pkg-config ]]; then 238 ./setup register --gen-pkg-config="${T}/${P}.conf"
192 ghc-setup-pkg .installed-pkg-config 239 ghc-setup-pkg "${T}/${P}.conf"
193 ghc-install-pkg 240 ghc-install-pkg
194 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
195 die "setup register has not generated a package configuration file" 251 die "setup register has not generated a package configuration file"
196 fi 252 fi
197 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)" == "$version" ]] && return 0
268 done
269 return 1
198} 270}
199 271
200# exported function: check if cabal is correctly installed for 272# exported function: check if cabal is correctly installed for
201# the currently active ghc (we cannot guarantee this with portage) 273# the currently active ghc (we cannot guarantee this with portage)
202haskell-cabal_pkg_setup() { 274haskell-cabal_pkg_setup() {
… …
209 fi 281 fi
210 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then 282 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then
211 eerror "QA: Neither bin nor lib are in CABAL_FEATURES." 283 eerror "QA: Neither bin nor lib are in CABAL_FEATURES."
212 fi 284 fi
213 if [[ -n "${CABAL_UNKNOWN}" ]]; then 285 if [[ -n "${CABAL_UNKNOWN}" ]]; then
214 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-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
215 fi 290 fi
216} 291}
217 292
218# exported function: cabal-style bootstrap configure and compile 293# exported function: cabal-style bootstrap configure and compile
219cabal_src_compile() { 294cabal_src_compile() {
295 if ! cabal-is-dummy-lib; then
220 cabal-bootstrap 296 cabal-bootstrap
221 cabal-configure 297 cabal-configure
222 cabal-build 298 cabal-build
223 299
224 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 300 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
225 cabal-haddock 301 cabal-haddock
302 fi
226 fi 303 fi
227} 304}
228haskell-cabal_src_compile() { 305haskell-cabal_src_compile() {
229 cabal_src_compile 306 cabal_src_compile
230} 307}
231 308
232# exported function: cabal-style copy and register 309# exported function: cabal-style copy and register
233cabal_src_install() { 310cabal_src_install() {
311 if cabal-is-dummy-lib; then
312 # create a dummy local package conf file for the sake of ghc-updater
313 dodir "$(ghc-confdir)"
314 echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
315 else
234 cabal-copy 316 cabal-copy
235 cabal-pkg 317 cabal-pkg
236 318
237 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 319 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
238 local cabalversion=$(ghc-extractportageversion dev-haskell/cabal)
239 if ! version_is_at_least "1.1.6" "${cabalversion}"; then 320 if ! version_is_at_least "1.1.6" "$(cabal-version)"; then
240 dohtml -r dist/doc/html/* 321 dohtml -r dist/doc/html/*
322 fi
241 fi 323 fi
242 fi 324 fi
243} 325}
244haskell-cabal_src_install() { 326haskell-cabal_src_install() {
245 cabal_src_install 327 cabal_src_install
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