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Revision 1.15 Revision 1.34
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 1.15 2009/07/27 19:03:20 kolmodin Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/haskell-cabal.eclass,v 1.34 2012/09/27 16:35:41 axs 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
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# 30# nocabaldep -- don't add dependency on cabal.
30# Dependencies on other cabal packages have to be specified 31# only used for packages that _must_ not pull the dependency
31# correctly. 32# on cabal, but still use this eclass (e.g. haskell-updater).
32# 33# test-suite -- add support for cabal test-suites (introduced in Cabal-1.8)
33# Cabal libraries should usually be SLOTted with "${PV}".
34#
35# Many Cabal packages require S to be manually set.
36#
37# Conforming Cabal packages don't require any function definitions
38# in the ebuild.
39#
40# Special flags to Cabal Configure can now be set by using
41# CABAL_CONFIGURE_FLAGS
42 34
43inherit ghc-package multilib 35inherit ghc-package multilib
44 36
37# @ECLASS-VARIABLE: CABAL_EXTRA_CONFIGURE_FLAGS
38# @DESCRIPTION:
39# User-specified additional parameters passed to 'setup configure'.
40# example: /etc/make.conf: CABAL_EXTRA_CONFIGURE_FLAGS=--enable-shared
41: ${CABAL_EXTRA_CONFIGURE_FLAGS:=}
42
43# @ECLASS-VARIABLE: CABAL_EXTRA_BUILD_FLAGS
44# @DESCRIPTION:
45# User-specified additional parameters passed to 'setup build'.
46# example: /etc/make.conf: CABAL_EXTRA_BUILD_FLAGS=-v
47: ${CABAL_EXTRA_BUILD_FLAGS:=}
48
49# @ECLASS-VARIABLE: GHC_BOOTSTRAP_FLAGS
50# @DESCRIPTION:
51# User-specified additional parameters for ghc when building
52# _only_ 'setup' binary bootstrap.
53# example: /etc/make.conf: GHC_BOOTSTRAP_FLAGS=-dynamic to make
54# linking 'setup' faster.
55: ${GHC_BOOTSTRAP_FLAGS:=}
56
57HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install"
58
59case "${EAPI:-0}" in
60 2|3|4|5) HASKELL_CABAL_EXPF+=" src_configure" ;;
61 *) ;;
62esac
63
64EXPORT_FUNCTIONS ${HASKELL_CABAL_EXPF}
45 65
46for feature in ${CABAL_FEATURES}; do 66for feature in ${CABAL_FEATURES}; do
47 case ${feature} in 67 case ${feature} in
48 haddock) CABAL_USE_HADDOCK=yes;; 68 haddock) CABAL_USE_HADDOCK=yes;;
69 hscolour) CABAL_USE_HSCOLOUR=yes;;
70 hoogle) CABAL_USE_HOOGLE=yes;;
49 alex) CABAL_USE_ALEX=yes;; 71 alex) CABAL_USE_ALEX=yes;;
50 happy) CABAL_USE_HAPPY=yes;; 72 happy) CABAL_USE_HAPPY=yes;;
51 c2hs) CABAL_USE_C2HS=yes;; 73 c2hs) CABAL_USE_C2HS=yes;;
52 cpphs) CABAL_USE_CPPHS=yes;; 74 cpphs) CABAL_USE_CPPHS=yes;;
53 profile) CABAL_USE_PROFILE=yes;; 75 profile) CABAL_USE_PROFILE=yes;;
54 bootstrap) CABAL_BOOTSTRAP=yes;; 76 bootstrap) CABAL_BOOTSTRAP=yes;;
55 bin) CABAL_HAS_BINARIES=yes;; 77 bin) CABAL_HAS_BINARIES=yes;;
56 lib) CABAL_HAS_LIBRARIES=yes;; 78 lib) CABAL_HAS_LIBRARIES=yes;;
79 nocabaldep) CABAL_FROM_GHC=yes;;
80 test-suite) CABAL_TEST_SUITE=yes;;
57 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";; 81 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";;
58 esac 82 esac
59done 83done
60 84
61if [[ -n "${CABAL_USE_HADDOCK}" ]]; then 85if [[ -n "${CABAL_USE_HADDOCK}" ]]; then
62 IUSE="${IUSE} doc" 86 IUSE="${IUSE} doc"
87 # don't require depend on itself to build docs.
88 # ebuild bootstraps docs from just built binary
89 [[ ${CATEGORY}/${PN} = "dev-haskell/haddock" ]] || DEPEND="${DEPEND} doc? ( dev-haskell/haddock )"
90fi
91
92if [[ -n "${CABAL_USE_HSCOLOUR}" ]]; then
93 IUSE="${IUSE} hscolour"
63 DEPEND="${DEPEND} doc? ( dev-haskell/haddock )" 94 DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )"
64fi 95fi
65 96
66if [[ -n "${CABAL_USE_ALEX}" ]]; then 97if [[ -n "${CABAL_USE_ALEX}" ]]; then
67 DEPEND="${DEPEND} dev-haskell/alex" 98 DEPEND="${DEPEND} dev-haskell/alex"
68 cabalconf="${cabalconf} --with-alex=/usr/bin/alex"
69fi 99fi
70 100
71if [[ -n "${CABAL_USE_HAPPY}" ]]; then 101if [[ -n "${CABAL_USE_HAPPY}" ]]; then
72 DEPEND="${DEPEND} dev-haskell/happy" 102 DEPEND="${DEPEND} dev-haskell/happy"
73 cabalconf="${cabalconf} --with-happy=/usr/bin/happy"
74fi 103fi
75 104
76if [[ -n "${CABAL_USE_C2HS}" ]]; then 105if [[ -n "${CABAL_USE_C2HS}" ]]; then
77 DEPEND="${DEPEND} dev-haskell/c2hs" 106 DEPEND="${DEPEND} dev-haskell/c2hs"
78 cabalconf="${cabalconf} --with-c2hs=/usr/bin/c2hs"
79fi 107fi
80 108
81if [[ -n "${CABAL_USE_CPPHS}" ]]; then 109if [[ -n "${CABAL_USE_CPPHS}" ]]; then
82 DEPEND="${DEPEND} dev-haskell/cpphs" 110 DEPEND="${DEPEND} dev-haskell/cpphs"
83 cabalconf="${cabalconf} --with-cpphs=/usr/bin/cpphs"
84fi 111fi
85 112
86if [[ -n "${CABAL_USE_PROFILE}" ]]; then 113if [[ -n "${CABAL_USE_PROFILE}" ]]; then
87 IUSE="${IUSE} profile" 114 IUSE="${IUSE} profile"
115fi
116
117if [[ -n "${CABAL_TEST_SUITE}" ]]; then
118 IUSE="${IUSE} test"
88fi 119fi
89 120
90# We always use a standalone version of Cabal, rather than the one that comes 121# We always use a standalone version of Cabal, rather than the one that comes
91# with GHC. But of course we can't depend on cabal when building cabal itself. 122# with GHC. But of course we can't depend on cabal when building cabal itself.
92if [[ -z ${CABAL_MIN_VERSION} ]]; then 123if [[ -z ${CABAL_MIN_VERSION} ]]; then
93 CABAL_MIN_VERSION=1.1.4 124 CABAL_MIN_VERSION=1.1.4
94fi 125fi
95if [[ -z "${CABAL_BOOTSTRAP}" ]]; then 126if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]]; then
96 DEPEND="${DEPEND} >=dev-haskell/cabal-${CABAL_MIN_VERSION}" 127 DEPEND="${DEPEND} >=dev-haskell/cabal-${CABAL_MIN_VERSION}"
97fi 128fi
98 129
99# Libraries require GHC to be installed. 130# Libraries require GHC to be installed.
100if [[ -n "${CABAL_HAS_LIBRARIES}" ]]; then 131if [[ -n "${CABAL_HAS_LIBRARIES}" ]]; then
107 if [[ -z "${_CABAL_VERSION_CACHE}" ]]; then 138 if [[ -z "${_CABAL_VERSION_CACHE}" ]]; then
108 if [[ "${CABAL_BOOTSTRAP}" ]]; then 139 if [[ "${CABAL_BOOTSTRAP}" ]]; then
109 # We're bootstrapping cabal, so the cabal version is the version 140 # We're bootstrapping cabal, so the cabal version is the version
110 # of this package itself. 141 # of this package itself.
111 _CABAL_VERSION_CACHE="${PV}" 142 _CABAL_VERSION_CACHE="${PV}"
143 elif [[ "${CABAL_FROM_GHC}" ]]; then
144 local cabal_package=$(echo "$(ghc-libdir)"/Cabal-*)
145 # /path/to/ghc/Cabal-${VER} -> ${VER}
146 _CABAL_VERSION_CACHE="${cabal_package/*Cabal-/}"
112 else 147 else
113 # We ask portage, not ghc, so that we only pick up 148 # We ask portage, not ghc, so that we only pick up
114 # portage-installed cabal versions. 149 # portage-installed cabal versions.
115 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)" 150 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)"
116 fi 151 fi
121cabal-bootstrap() { 156cabal-bootstrap() {
122 local setupmodule 157 local setupmodule
123 local cabalpackage 158 local cabalpackage
124 if [[ -f "${S}/Setup.lhs" ]]; then 159 if [[ -f "${S}/Setup.lhs" ]]; then
125 setupmodule="${S}/Setup.lhs" 160 setupmodule="${S}/Setup.lhs"
161 elif [[ -f "${S}/Setup.hs" ]]; then
162 setupmodule="${S}/Setup.hs"
126 else 163 else
127 if [[ -f "${S}/Setup.hs" ]]; then
128 setupmodule="${S}/Setup.hs"
129 else
130 die "No Setup.lhs or Setup.hs found" 164 die "No Setup.lhs or Setup.hs found"
131 fi 165 fi
166
167 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
168 eerror "The package dev-haskell/cabal is not correctly installed for"
169 eerror "the currently active version of ghc ($(ghc-version)). Please"
170 eerror "run haskell-updater or re-build dev-haskell/cabal."
171 die "cabal is not correctly installed"
132 fi 172 fi
133 173
134 # We build the setup program using the latest version of 174 # We build the setup program using the latest version of
135 # cabal that we have installed 175 # cabal that we have installed
136 if version_is_at_least "6.4" "$(ghc-version)"; then
137 cabalpackage=Cabal-$(cabal-version) 176 cabalpackage=Cabal-$(cabal-version)
177 einfo "Using cabal-$(cabal-version)."
178
179 make_setup() {
180 set -- -package "${cabalpackage}" --make "${setupmodule}" \
181 ${GHC_BOOTSTRAP_FLAGS} \
182 "$@" \
183 -o setup
184 echo $(ghc-getghc) ${HCFLAGS} "$@"
185 $(ghc-getghc) "$@"
186 }
187 if $(ghc-supports-shared-libraries); then
188 # # some custom build systems might use external libraries,
189 # # for which we don't have shared libs, so keep static fallback
190 # Disabled '-dynamic' as ghc does not embed RPATH to used extra-libraries:
191 # bug #411789, http://hackage.haskell.org/trac/ghc/ticket/5743#comment:3
192 # make_setup -dynamic "$@" ||
193 make_setup "$@" || die "compiling ${setupmodule} failed"
138 else 194 else
139 # older ghc's don't support package versioning
140 cabalpackage=Cabal
141 fi
142 einfo "Using cabal-$(cabal-version)."
143 $(ghc-getghc) -package "${cabalpackage}" --make "${setupmodule}" -o setup \
144 || die "compiling ${setupmodule} failed" 195 make_setup "$@" || die "compiling ${setupmodule} failed"
196 fi
145} 197}
146 198
147cabal-mksetup() { 199cabal-mksetup() {
148 local setupdir 200 local setupdir
149 201
154 fi 206 fi
155 207
156 rm -f "${setupdir}"/Setup.{lhs,hs} 208 rm -f "${setupdir}"/Setup.{lhs,hs}
157 209
158 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \ 210 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \
159 > $setupdir/Setup.hs 211 > $setupdir/Setup.hs || die "failed to create default Setup.hs"
212}
213
214cabal-hscolour() {
215 set -- hscolour "$@"
216 echo ./setup "$@"
217 ./setup "$@" || die "setup hscolour failed"
160} 218}
161 219
162cabal-haddock() { 220cabal-haddock() {
163 ./setup haddock || die "setup haddock failed" 221 set -- haddock "$@"
222 echo ./setup "$@"
223 ./setup "$@" || die "setup haddock failed"
224}
225
226cabal-hscolour-haddock() {
227 # --hyperlink-source implies calling 'setup hscolour'
228 set -- haddock --hyperlink-source
229 echo ./setup "$@"
230 ./setup "$@" --hyperlink-source || die "setup haddock --hyperlink-source failed"
164} 231}
165 232
166cabal-configure() { 233cabal-configure() {
234 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
235
167 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 236 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
168 cabalconf="${cabalconf} --with-haddock=/usr/bin/haddock" 237 cabalconf="${cabalconf} --with-haddock=${EPREFIX}/usr/bin/haddock"
169 fi 238 fi
170 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then 239 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then
171 cabalconf="${cabalconf} --enable-library-profiling" 240 cabalconf="${cabalconf} --enable-library-profiling"
172 fi 241 fi
242 if [[ -n "${CABAL_USE_ALEX}" ]]; then
243 cabalconf="${cabalconf} --with-alex=${EPREFIX}/usr/bin/alex"
244 fi
245
246 if [[ -n "${CABAL_USE_HAPPY}" ]]; then
247 cabalconf="${cabalconf} --with-happy=${EPREFIX}/usr/bin/happy"
248 fi
249
250 if [[ -n "${CABAL_USE_C2HS}" ]]; then
251 cabalconf="${cabalconf} --with-c2hs=${EPREFIX}/usr/bin/c2hs"
252 fi
253 if [[ -n "${CABAL_USE_CPPHS}" ]]; then
254 cabalconf="${cabalconf} --with-cpphs=${EPREFIX}/usr/bin/cpphs"
255 fi
256 if [[ -n "${CABAL_TEST_SUITE}" ]]; then
257 cabalconf="${cabalconf} $(use_enable test tests)"
258 fi
259
260 local option
261 for option in ${HCFLAGS}
262 do
263 cabalconf+=" --ghc-option=$option"
264 done
265
173 # Building GHCi libs on ppc64 causes "TOC overflow". 266 # Building GHCi libs on ppc64 causes "TOC overflow".
174 if use ppc64; then 267 if use ppc64; then
175 cabalconf="${cabalconf} --disable-library-for-ghci" 268 cabalconf="${cabalconf} --disable-library-for-ghci"
176 fi 269 fi
177 270
178 if version_is_at_least "1.2.0" "$(cabal-version)"; then 271 # currently cabal does not respect CFLAGS and LDFLAGS on it's own (bug #333217)
272 # so translate LDFLAGS to ghc parameters (without filtering)
273 local flag
274 for flag in $LDFLAGS; do cabalconf="${cabalconf} --ghc-option=-optl$flag"; done
275
276 # disable executable stripping for the executables, as portage will
277 # strip by itself, and pre-stripping gives a QA warning.
278 # cabal versions previous to 1.4 does not strip executables, and does
279 # not accept the flag.
280 # this fixes numerous bugs, amongst them;
281 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494
282 cabalconf="${cabalconf} --disable-executable-stripping"
283
179 cabalconf="${cabalconf} --docdir=/usr/share/doc/${PF}" 284 cabalconf="${cabalconf} --docdir=${EPREFIX}/usr/share/doc/${PF}"
180 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes 285 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes
181 # it's better if the configure chatter is in the build logs: 286 # it's better if the configure chatter is in the build logs:
182 cabalconf="${cabalconf} --verbose" 287 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.
189 288
289 # We build shared version of our Cabal where ghc ships it's shared
290 # version of it. We will link ./setup as dynamic binary againt Cabal later.
291 [[ ${CATEGORY}/${PN} == "dev-haskell/cabal" ]] && \
292 $(ghc-supports-shared-libraries) && \
293 cabalconf="${cabalconf} --enable-shared"
294
190 ./setup configure \ 295 set -- configure \
191 --ghc --prefix=/usr \ 296 --ghc --prefix="${EPREFIX}"/usr \
192 --with-compiler="$(ghc-getghc)" \ 297 --with-compiler="$(ghc-getghc)" \
193 --with-hc-pkg="$(ghc-getghcpkg)" \ 298 --with-hc-pkg="$(ghc-getghcpkg)" \
194 --prefix=/usr \ 299 --prefix="${EPREFIX}"/usr \
195 --libdir=/usr/$(get_libdir) \ 300 --libdir="${EPREFIX}"/usr/$(get_libdir) \
196 --libsubdir=${P}/ghc-$(ghc-version) \ 301 --libsubdir=${P}/ghc-$(ghc-version) \
197 --datadir=/usr/share/ \ 302 --datadir="${EPREFIX}"/usr/share/ \
198 --datasubdir=${P}/ghc-$(ghc-version) \ 303 --datasubdir=${P}/ghc-$(ghc-version) \
199 ${cabalconf} \ 304 ${cabalconf} \
200 ${CABAL_CONFIGURE_FLAGS} \ 305 ${CABAL_CONFIGURE_FLAGS} \
306 ${CABAL_EXTRA_CONFIGURE_FLAGS} \
307 "$@"
308 echo ./setup "$@"
201 "$@" || die "setup configure failed" 309 ./setup "$@" || die "setup configure failed"
202} 310}
203 311
204cabal-build() { 312cabal-build() {
205 unset LANG LC_ALL LC_MESSAGES 313 unset LANG LC_ALL LC_MESSAGES
206 ./setup build \ 314 set -- build ${CABAL_EXTRA_BUILD_FLAGS} "$@"
315 echo ./setup "$@"
316 ./setup "$@" \
207 || die "setup build failed" 317 || die "setup build failed"
208} 318}
209 319
210cabal-copy() { 320cabal-copy() {
211 ./setup copy \ 321 has "${EAPI:-0}" 0 1 2 && ! use prefix && ED=${D}
212 --destdir="${D}" \ 322
323 set -- copy --destdir="${D}" "$@"
324 echo ./setup "$@"
213 || die "setup copy failed" 325 ./setup "$@" || die "setup copy failed"
214 326
215 # cabal is a bit eager about creating dirs, 327 # cabal is a bit eager about creating dirs,
216 # so remove them if they are empty 328 # so remove them if they are empty
217 rmdir "${D}/usr/bin" 2> /dev/null 329 rmdir "${ED}/usr/bin" 2> /dev/null
218
219 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has
220 # no workaround.
221 # set the +x permission on executables
222 if [[ -d "${D}/usr/bin" ]] ; then
223 chmod +x "${D}/usr/bin/"*
224 fi
225 # TODO: do we still need this?
226} 330}
227 331
228cabal-pkg() { 332cabal-pkg() {
229 # This does not actually register since we're using true instead 333 # This does not actually register since we're using true instead
230 # of ghc-pkg. So it just leaves the .installed-pkg-config and we can 334 # of ghc-pkg. So it just leaves the .conf file and we can
231 # register that ourselves (if it exists). 335 # register that ourselves (if it exists).
232 local result
233 local err
234 336
235 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then 337 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then
236 if version_is_at_least "1.2.0" "$(cabal-version)"; then
237 # Newer cabal can generate a package conf for us: 338 # Newer cabal can generate a package conf for us:
238 ./setup register --gen-pkg-config="${T}/${P}.conf" 339 ./setup register --gen-pkg-config="${T}/${P}.conf"
239 ghc-setup-pkg "${T}/${P}.conf" 340 ghc-setup-pkg "${T}/${P}.conf"
240 ghc-install-pkg 341 ghc-install-pkg
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
251 die "setup register has not generated a package configuration file"
252 fi
253 fi
254 fi 342 fi
255} 343}
256 344
257# Some cabal libs are bundled along with some versions of ghc 345# Some cabal libs are bundled along with some versions of ghc
258# eg filepath-1.0 comes with ghc-6.6.1 346# eg filepath-1.0 comes with ghc-6.6.1
262# However portage still records the dependency and we can upgrade the package 350# However portage still records the dependency and we can upgrade the package
263# to a later one that's not included with ghc. 351# 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". 352# You can also put a space separated list, eg CABAL_CORE_LIB_GHC_PV="6.6 6.6.1".
265cabal-is-dummy-lib() { 353cabal-is-dummy-lib() {
266 for version in ${CABAL_CORE_LIB_GHC_PV[*]}; do 354 for version in ${CABAL_CORE_LIB_GHC_PV[*]}; do
267 [[ "$(ghc-version)" == "$version" ]] && return 0 355 [[ "$(ghc-version)" == ${version} ]] && return 0
268 done 356 done
269 return 1 357 return 1
270} 358}
271 359
272# exported function: check if cabal is correctly installed for 360# exported function: check if cabal is correctly installed for
273# the currently active ghc (we cannot guarantee this with portage) 361# the currently active ghc (we cannot guarantee this with portage)
274haskell-cabal_pkg_setup() { 362haskell-cabal_pkg_setup() {
275 ghc-package_pkg_setup
276 if [[ -z "${CABAL_BOOTSTRAP}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
277 eerror "The package dev-haskell/cabal is not correctly installed for"
278 eerror "the currently active version of ghc ($(ghc-version)). Please"
279 eerror "run ghc-updater or re-emerge dev-haskell/cabal."
280 die "cabal is not correctly installed"
281 fi
282 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then 363 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then
283 eerror "QA: Neither bin nor lib are in CABAL_FEATURES." 364 eqawarn "QA Notice: Neither bin nor lib are in CABAL_FEATURES."
284 fi 365 fi
285 if [[ -n "${CABAL_UNKNOWN}" ]]; then 366 if [[ -n "${CABAL_UNKNOWN}" ]]; then
286 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}" 367 eqawarn "QA Notice: Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}"
287 fi 368 fi
288 if cabal-is-dummy-lib; then 369 if cabal-is-dummy-lib; then
289 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install." 370 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
290 fi 371 fi
291} 372}
292 373
374haskell-cabal_src_configure() {
375 cabal-is-dummy-lib && return
376
377 pushd "${S}" > /dev/null
378
379 cabal-bootstrap
380
381 cabal-configure "$@"
382
383 popd > /dev/null
384}
385
386# exported function: nice alias
387cabal_src_configure() {
388 haskell-cabal_src_configure "$@"
389}
390
293# exported function: cabal-style bootstrap configure and compile 391# exported function: cabal-style bootstrap configure and compile
294cabal_src_compile() { 392cabal_src_compile() {
295 if ! cabal-is-dummy-lib; then 393 # it's a common mistake when one bumps ebuild to EAPI="2" (and upper)
296 cabal-bootstrap 394 # and forgets to separate src_compile() to src_configure()/src_compile().
297 cabal-configure 395 # Such error leads to default src_configure and we lose all passed flags.
396 if ! has "${EAPI:-0}" 0 1; then
397 local passed_flag
398 for passed_flag in "$@"; do
399 [[ ${passed_flag} == --flags=* ]] && \
400 eqawarn "QA Notice: Cabal option '${passed_flag}' has effect only in src_configure()"
401 done
402 fi
403
404 cabal-is-dummy-lib && return
405
406 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
298 cabal-build 407 cabal-build
299 408
300 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 409 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
410 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
411 # hscolour and haddock
412 cabal-hscolour-haddock
413 else
414 # just haddock
301 cabal-haddock 415 cabal-haddock
302 fi 416 fi
417 else
418 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
419 # just hscolour
420 cabal-hscolour
303 fi 421 fi
422 fi
304} 423}
424
305haskell-cabal_src_compile() { 425haskell-cabal_src_compile() {
426 pushd "${S}" > /dev/null
427
306 cabal_src_compile 428 cabal_src_compile "$@"
429
430 popd > /dev/null
431}
432
433haskell-cabal_src_test() {
434 pushd "${S}" > /dev/null
435
436 if cabal-is-dummy-lib; then
437 einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}"
438 else
439 einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}"
440 set -- test "$@"
441 echo ./setup "$@"
442 ./setup "$@" || die "cabal test failed"
443 fi
444
445 popd > /dev/null
307} 446}
308 447
309# exported function: cabal-style copy and register 448# exported function: cabal-style copy and register
310cabal_src_install() { 449cabal_src_install() {
450 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
451
311 if cabal-is-dummy-lib; then 452 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
316 cabal-copy 453 cabal-copy
317 cabal-pkg 454 cabal-pkg
455 fi
318 456
319 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 457 # create a dummy local package conf file for haskell-updater
320 if ! version_is_at_least "1.1.6" "$(cabal-version)"; then 458 # if it does not exist (dummy libraries and binaries w/o libraries)
321 dohtml -r dist/doc/html/* 459 local ghc_confdir_with_prefix="$(ghc-confdir)"
460 # remove EPREFIX
461 dodir ${ghc_confdir_with_prefix#${EPREFIX}}
462 local conf_file="${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
463 [[ -e $conf_file ]] || echo '[]' > "$conf_file" || die
464
465 # make sure installed packages do not destroy ghc's
466 # bundled packages
467 local initial_pkg_db=${ROOT}/$(ghc-libdir)/package.conf.d.initial
468 if [[ -e ${initial_pkg_db} ]]; then
469 local checked_pkg
470 for checked_pkg in $(ghc-listpkg "${conf_file}")
471 do
472 local initial_pkg
473 for initial_pkg in $(ghc-listpkg "${initial_pkg_db}"); do
474 if [[ ${checked_pkg} = ${initial_pkg} ]]; then
475 eerror "Package ${checked_pkg} is shipped with $(ghc-version)."
476 eerror "Ebuild author forgot CABAL_CORE_LIB_GHC_PV entry."
477 eerror "Found in ${initial_pkg_db}."
478 die
322 fi 479 fi
480 done
481 done
323 fi 482 fi
324 fi
325} 483}
484
326haskell-cabal_src_install() { 485haskell-cabal_src_install() {
486 pushd "${S}" > /dev/null
487
327 cabal_src_install 488 cabal_src_install
328}
329 489
330EXPORT_FUNCTIONS pkg_setup src_compile src_install 490 popd > /dev/null
491}
492
493# ebuild.sh:use_enable() taken as base
494#
495# Usage examples:
496#
497# CABAL_CONFIGURE_FLAGS=$(cabal_flag gui)
498# leads to "--flags=gui" or "--flags=-gui" (useflag 'gui')
499#
500# CABAL_CONFIGURE_FLAGS=$(cabal_flag gtk gui)
501# also leads to "--flags=gui" or " --flags=-gui" (useflag 'gtk')
502#
503cabal_flag() {
504 if [[ -z "$1" ]]; then
505 echo "!!! cabal_flag() called without a parameter." >&2
506 echo "!!! cabal_flag() <USEFLAG> [<cabal_flagname>]" >&2
507 return 1
508 fi
509
510 local UWORD=${2:-$1}
511
512 if use "$1"; then
513 echo "--flags=${UWORD}"
514 else
515 echo "--flags=-${UWORD}"
516 fi
517
518 return 0
519}

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