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Revision 1.21 Revision 1.35
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 1.21 2010/08/07 12:06:27 kolmodin Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/haskell-cabal.eclass,v 1.35 2012/11/16 15:47:17 slyfox 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# hscolour -- generation of colourised sources
22# hoogle -- generation of documentation search index
22# alex -- lexer/scanner generator 23# alex -- lexer/scanner generator
23# happy -- parser generator 24# happy -- parser generator
24# c2hs -- C interface generator 25# c2hs -- C interface generator
25# cpphs -- C preprocessor clone written in Haskell 26# cpphs -- C preprocessor clone written in Haskell
26# profile -- if package supports to build profiling-enabled libraries 27# profile -- if package supports to build profiling-enabled libraries
27# bootstrap -- only used for the cabal package itself 28# bootstrap -- only used for the cabal package itself
28# bin -- the package installs binaries 29# bin -- the package installs binaries
29# lib -- the package installs libraries 30# lib -- the package installs libraries
30# nocabaldep -- don't add dependency on cabal. 31# nocabaldep -- don't add dependency on cabal.
31# only used for packages that _must_ not pull the dependency 32# only used for packages that _must_ not pull the dependency
32# on cabal, but still use this eclass (e.g. haskell-updater). 33# on cabal, but still use this eclass (e.g. haskell-updater).
33# 34# test-suite -- add support for cabal test-suites (introduced in Cabal-1.8)
34# Dependencies on other cabal packages have to be specified
35# correctly.
36#
37# Cabal libraries should usually be SLOTted with "${PV}".
38#
39# Many Cabal packages require S to be manually set.
40#
41# Conforming Cabal packages don't require any function definitions
42# in the ebuild.
43#
44# Special flags to Cabal Configure can now be set by using
45# CABAL_CONFIGURE_FLAGS
46 35
47inherit ghc-package multilib 36inherit ghc-package multilib
48 37
38# @ECLASS-VARIABLE: CABAL_EXTRA_CONFIGURE_FLAGS
39# @DESCRIPTION:
40# User-specified additional parameters passed to 'setup configure'.
41# example: /etc/make.conf: CABAL_EXTRA_CONFIGURE_FLAGS=--enable-shared
42: ${CABAL_EXTRA_CONFIGURE_FLAGS:=}
43
44# @ECLASS-VARIABLE: CABAL_EXTRA_BUILD_FLAGS
45# @DESCRIPTION:
46# User-specified additional parameters passed to 'setup build'.
47# example: /etc/make.conf: CABAL_EXTRA_BUILD_FLAGS=-v
48: ${CABAL_EXTRA_BUILD_FLAGS:=}
49
50# @ECLASS-VARIABLE: GHC_BOOTSTRAP_FLAGS
51# @DESCRIPTION:
52# User-specified additional parameters for ghc when building
53# _only_ 'setup' binary bootstrap.
54# example: /etc/make.conf: GHC_BOOTSTRAP_FLAGS=-dynamic to make
55# linking 'setup' faster.
56: ${GHC_BOOTSTRAP_FLAGS:=}
57
49HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install" 58HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install"
50 59
51case "${EAPI:-0}" in 60case "${EAPI:-0}" in
52 2|3|4) HASKELL_CABAL_EXPF+=" src_configure" ;; 61 2|3|4|5) HASKELL_CABAL_EXPF+=" src_configure" ;;
53 *) ;; 62 *) ;;
54esac 63esac
55 64
56EXPORT_FUNCTIONS ${HASKELL_CABAL_EXPF} 65EXPORT_FUNCTIONS ${HASKELL_CABAL_EXPF}
57 66
58for feature in ${CABAL_FEATURES}; do 67for feature in ${CABAL_FEATURES}; do
59 case ${feature} in 68 case ${feature} in
60 haddock) CABAL_USE_HADDOCK=yes;; 69 haddock) CABAL_USE_HADDOCK=yes;;
61 hscolour) CABAL_USE_HSCOLOUR=yes;; 70 hscolour) CABAL_USE_HSCOLOUR=yes;;
71 hoogle) CABAL_USE_HOOGLE=yes;;
62 alex) CABAL_USE_ALEX=yes;; 72 alex) CABAL_USE_ALEX=yes;;
63 happy) CABAL_USE_HAPPY=yes;; 73 happy) CABAL_USE_HAPPY=yes;;
64 c2hs) CABAL_USE_C2HS=yes;; 74 c2hs) CABAL_USE_C2HS=yes;;
65 cpphs) CABAL_USE_CPPHS=yes;; 75 cpphs) CABAL_USE_CPPHS=yes;;
66 profile) CABAL_USE_PROFILE=yes;; 76 profile) CABAL_USE_PROFILE=yes;;
67 bootstrap) CABAL_BOOTSTRAP=yes;; 77 bootstrap) CABAL_BOOTSTRAP=yes;;
68 bin) CABAL_HAS_BINARIES=yes;; 78 bin) CABAL_HAS_BINARIES=yes;;
69 lib) CABAL_HAS_LIBRARIES=yes;; 79 lib) CABAL_HAS_LIBRARIES=yes;;
70 nocabaldep) CABAL_FROM_GHC=yes;; 80 nocabaldep) CABAL_FROM_GHC=yes;;
81 test-suite) CABAL_TEST_SUITE=yes;;
71 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";; 82 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";;
72 esac 83 esac
73done 84done
74 85
75if [[ -n "${CABAL_USE_HADDOCK}" ]]; then 86if [[ -n "${CABAL_USE_HADDOCK}" ]]; then
76 IUSE="${IUSE} doc" 87 IUSE="${IUSE} doc"
77 DEPEND="${DEPEND} doc? ( dev-haskell/haddock )" 88 # don't require depend on itself to build docs.
89 # ebuild bootstraps docs from just built binary
90 [[ ${CATEGORY}/${PN} = "dev-haskell/haddock" ]] || DEPEND="${DEPEND} doc? ( dev-haskell/haddock )"
78fi 91fi
79 92
80if [[ -n "${CABAL_USE_HSCOLOUR}" ]]; then 93if [[ -n "${CABAL_USE_HSCOLOUR}" ]]; then
81 IUSE="${IUSE} hscolour" 94 IUSE="${IUSE} hscolour"
82 DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )" 95 DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )"
83fi 96fi
84 97
85if [[ -n "${CABAL_USE_ALEX}" ]]; then 98if [[ -n "${CABAL_USE_ALEX}" ]]; then
86 DEPEND="${DEPEND} dev-haskell/alex" 99 DEPEND="${DEPEND} dev-haskell/alex"
87 cabalconf="${cabalconf} --with-alex=/usr/bin/alex"
88fi 100fi
89 101
90if [[ -n "${CABAL_USE_HAPPY}" ]]; then 102if [[ -n "${CABAL_USE_HAPPY}" ]]; then
91 DEPEND="${DEPEND} dev-haskell/happy" 103 DEPEND="${DEPEND} dev-haskell/happy"
92 cabalconf="${cabalconf} --with-happy=/usr/bin/happy"
93fi 104fi
94 105
95if [[ -n "${CABAL_USE_C2HS}" ]]; then 106if [[ -n "${CABAL_USE_C2HS}" ]]; then
96 DEPEND="${DEPEND} dev-haskell/c2hs" 107 DEPEND="${DEPEND} dev-haskell/c2hs"
97 cabalconf="${cabalconf} --with-c2hs=/usr/bin/c2hs"
98fi 108fi
99 109
100if [[ -n "${CABAL_USE_CPPHS}" ]]; then 110if [[ -n "${CABAL_USE_CPPHS}" ]]; then
101 DEPEND="${DEPEND} dev-haskell/cpphs" 111 DEPEND="${DEPEND} dev-haskell/cpphs"
102 cabalconf="${cabalconf} --with-cpphs=/usr/bin/cpphs"
103fi 112fi
104 113
105if [[ -n "${CABAL_USE_PROFILE}" ]]; then 114if [[ -n "${CABAL_USE_PROFILE}" ]]; then
106 IUSE="${IUSE} profile" 115 IUSE="${IUSE} profile"
116fi
117
118if [[ -n "${CABAL_TEST_SUITE}" ]]; then
119 IUSE="${IUSE} test"
107fi 120fi
108 121
109# We always use a standalone version of Cabal, rather than the one that comes 122# We always use a standalone version of Cabal, rather than the one that comes
110# with GHC. But of course we can't depend on cabal when building cabal itself. 123# with GHC. But of course we can't depend on cabal when building cabal itself.
111if [[ -z ${CABAL_MIN_VERSION} ]]; then 124if [[ -z ${CABAL_MIN_VERSION} ]]; then
127 if [[ "${CABAL_BOOTSTRAP}" ]]; then 140 if [[ "${CABAL_BOOTSTRAP}" ]]; then
128 # We're bootstrapping cabal, so the cabal version is the version 141 # We're bootstrapping cabal, so the cabal version is the version
129 # of this package itself. 142 # of this package itself.
130 _CABAL_VERSION_CACHE="${PV}" 143 _CABAL_VERSION_CACHE="${PV}"
131 elif [[ "${CABAL_FROM_GHC}" ]]; then 144 elif [[ "${CABAL_FROM_GHC}" ]]; then
132 # We can't assume there's a version of Cabal installed by ebuild as 145 local cabal_package=$(echo "$(ghc-libdir)"/Cabal-*)
133 # this might be a first time install of GHC (for packages that 146 # /path/to/ghc/Cabal-${VER} -> ${VER}
134 # use the shipped Cabal like haskell-updater). 147 _CABAL_VERSION_CACHE="${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 148 else
148 # We ask portage, not ghc, so that we only pick up 149 # We ask portage, not ghc, so that we only pick up
149 # portage-installed cabal versions. 150 # portage-installed cabal versions.
150 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)" 151 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)"
151 fi 152 fi
156cabal-bootstrap() { 157cabal-bootstrap() {
157 local setupmodule 158 local setupmodule
158 local cabalpackage 159 local cabalpackage
159 if [[ -f "${S}/Setup.lhs" ]]; then 160 if [[ -f "${S}/Setup.lhs" ]]; then
160 setupmodule="${S}/Setup.lhs" 161 setupmodule="${S}/Setup.lhs"
162 elif [[ -f "${S}/Setup.hs" ]]; then
163 setupmodule="${S}/Setup.hs"
161 else 164 else
162 if [[ -f "${S}/Setup.hs" ]]; then
163 setupmodule="${S}/Setup.hs"
164 else
165 die "No Setup.lhs or Setup.hs found" 165 die "No Setup.lhs or Setup.hs found"
166 fi 166 fi
167
168 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
169 eerror "The package dev-haskell/cabal is not correctly installed for"
170 eerror "the currently active version of ghc ($(ghc-version)). Please"
171 eerror "run haskell-updater or re-build dev-haskell/cabal."
172 die "cabal is not correctly installed"
167 fi 173 fi
168 174
169 # We build the setup program using the latest version of 175 # We build the setup program using the latest version of
170 # cabal that we have installed 176 # cabal that we have installed
171 if version_is_at_least "6.4" "$(ghc-version)"; then
172 cabalpackage=Cabal-$(cabal-version) 177 cabalpackage=Cabal-$(cabal-version)
178 einfo "Using cabal-$(cabal-version)."
179
180 make_setup() {
181 set -- -package "${cabalpackage}" --make "${setupmodule}" \
182 ${GHC_BOOTSTRAP_FLAGS} \
183 "$@" \
184 -o setup
185 echo $(ghc-getghc) ${HCFLAGS} "$@"
186 $(ghc-getghc) "$@"
187 }
188 if $(ghc-supports-shared-libraries); then
189 # # some custom build systems might use external libraries,
190 # # for which we don't have shared libs, so keep static fallback
191 # bug #411789, http://hackage.haskell.org/trac/ghc/ticket/5743#comment:3
192 # http://hackage.haskell.org/trac/ghc/ticket/7062
193 # http://hackage.haskell.org/trac/ghc/ticket/3072
194 # ghc does not set RPATH for extralibs, thus we do it ourselves by hands
195 einfo "Prepending $(ghc-libdir) to LD_LIBRARY_PATH"
196 if [[ ${CHOST} != *-darwin* ]]; then
197 LD_LIBRARY_PATH="$(ghc-libdir)${LD_LIBRARY_PATH:+:}${LD_LIBRARY_PATH}"
198 export LD_LIBRARY_PATH
199 else
200 DYLD_LIBRARY_PATH="$(ghc-libdir)${DYLD_LIBRARY_PATH:+:}${DYLD_LIBRARY_PATH}"
201 export DYLD_LIBRARY_PATH
202 fi
203 { make_setup -dynamic "$@" && ./setup --help >/dev/null; } ||
204 make_setup "$@" || die "compiling ${setupmodule} failed"
173 else 205 else
174 # older ghc's don't support package versioning
175 cabalpackage=Cabal
176 fi
177 einfo "Using cabal-$(cabal-version)."
178 $(ghc-getghc) -package "${cabalpackage}" --make "${setupmodule}" -o setup \
179 || die "compiling ${setupmodule} failed" 206 make_setup "$@" || die "compiling ${setupmodule} failed"
207 fi
180} 208}
181 209
182cabal-mksetup() { 210cabal-mksetup() {
183 local setupdir 211 local setupdir
184 212
189 fi 217 fi
190 218
191 rm -f "${setupdir}"/Setup.{lhs,hs} 219 rm -f "${setupdir}"/Setup.{lhs,hs}
192 220
193 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \ 221 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \
194 > $setupdir/Setup.hs 222 > $setupdir/Setup.hs || die "failed to create default Setup.hs"
195} 223}
196 224
197cabal-hscolour() { 225cabal-hscolour() {
198 ./setup hscolour || die "setup hscolour failed" 226 set -- hscolour "$@"
227 echo ./setup "$@"
228 ./setup "$@" || die "setup hscolour failed"
199} 229}
200 230
201cabal-haddock() { 231cabal-haddock() {
202 ./setup haddock || die "setup haddock failed" 232 set -- haddock "$@"
233 echo ./setup "$@"
234 ./setup "$@" || die "setup haddock failed"
203} 235}
204 236
205cabal-hscolour-haddock() { 237cabal-hscolour-haddock() {
206 # --hyperlink-source implies calling 'setup hscolour' 238 # --hyperlink-source implies calling 'setup hscolour'
239 set -- haddock --hyperlink-source
240 echo ./setup "$@"
207 ./setup haddock --hyperlink-source || die "setup haddock failed" 241 ./setup "$@" --hyperlink-source || die "setup haddock --hyperlink-source failed"
208} 242}
209 243
210cabal-configure() { 244cabal-configure() {
245 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
246
211 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 247 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
212 cabalconf="${cabalconf} --with-haddock=/usr/bin/haddock" 248 cabalconf="${cabalconf} --with-haddock=${EPREFIX}/usr/bin/haddock"
213 fi 249 fi
214 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then 250 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then
215 cabalconf="${cabalconf} --enable-library-profiling" 251 cabalconf="${cabalconf} --enable-library-profiling"
216 fi 252 fi
253 if [[ -n "${CABAL_USE_ALEX}" ]]; then
254 cabalconf="${cabalconf} --with-alex=${EPREFIX}/usr/bin/alex"
255 fi
256
257 if [[ -n "${CABAL_USE_HAPPY}" ]]; then
258 cabalconf="${cabalconf} --with-happy=${EPREFIX}/usr/bin/happy"
259 fi
260
261 if [[ -n "${CABAL_USE_C2HS}" ]]; then
262 cabalconf="${cabalconf} --with-c2hs=${EPREFIX}/usr/bin/c2hs"
263 fi
264 if [[ -n "${CABAL_USE_CPPHS}" ]]; then
265 cabalconf="${cabalconf} --with-cpphs=${EPREFIX}/usr/bin/cpphs"
266 fi
267 if [[ -n "${CABAL_TEST_SUITE}" ]]; then
268 cabalconf="${cabalconf} $(use_enable test tests)"
269 fi
270
271 local option
272 for option in ${HCFLAGS}
273 do
274 cabalconf+=" --ghc-option=$option"
275 done
276
217 # Building GHCi libs on ppc64 causes "TOC overflow". 277 # Building GHCi libs on ppc64 causes "TOC overflow".
218 if use ppc64; then 278 if use ppc64; then
219 cabalconf="${cabalconf} --disable-library-for-ghci" 279 cabalconf="${cabalconf} --disable-library-for-ghci"
220 fi 280 fi
221 281
222 if version_is_at_least "1.4" "$(cabal-version)"; then 282 # currently cabal does not respect CFLAGS and LDFLAGS on it's own (bug #333217)
283 # so translate LDFLAGS to ghc parameters (without filtering)
284 local flag
285 for flag in $LDFLAGS; do cabalconf="${cabalconf} --ghc-option=-optl$flag"; done
286
223 # disable executable stripping for the executables, as portage will 287 # disable executable stripping for the executables, as portage will
224 # strip by itself, and pre-stripping gives a QA warning. 288 # strip by itself, and pre-stripping gives a QA warning.
225 # cabal versions previous to 1.4 does not strip executables, and does 289 # cabal versions previous to 1.4 does not strip executables, and does
226 # not accept the flag. 290 # not accept the flag.
227 # this fixes numerous bugs, amongst them; 291 # this fixes numerous bugs, amongst them;
228 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494 292 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494
229 cabalconf="${cabalconf} --disable-executable-stripping" 293 cabalconf="${cabalconf} --disable-executable-stripping"
230 fi
231 294
232 if version_is_at_least "1.2.0" "$(cabal-version)"; then
233 cabalconf="${cabalconf} --docdir=/usr/share/doc/${PF}" 295 cabalconf="${cabalconf} --docdir=${EPREFIX}/usr/share/doc/${PF}"
234 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes 296 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes
235 # it's better if the configure chatter is in the build logs: 297 # it's better if the configure chatter is in the build logs:
236 cabalconf="${cabalconf} --verbose" 298 cabalconf="${cabalconf} --verbose"
299
300 # We build shared version of our Cabal where ghc ships it's shared
301 # version of it. We will link ./setup as dynamic binary againt Cabal later.
302 [[ ${CATEGORY}/${PN} == "dev-haskell/cabal" ]] && \
303 $(ghc-supports-shared-libraries) && \
304 cabalconf="${cabalconf} --enable-shared"
305
306 if $(ghc-supports-shared-libraries); then
307 # maybe a bit lower
308 if version_is_at_least "7.7.20121114" "$(ghc-version)"; then
309 cabalconf="${cabalconf} --enable-shared"
237 fi 310 fi
238 # Note: with Cabal-1.1.6.x we do not have enough control 311 fi
239 # to put the docs into the right place. They're currently going
240 # into /usr/share/${P}/ghc-x.y/doc/
241 # rather than /usr/share/doc/${PF}/
242 # Because we can only set the datadir, not the docdir.
243 312
244 ./setup configure \ 313 set -- configure \
245 --ghc --prefix=/usr \ 314 --ghc --prefix="${EPREFIX}"/usr \
246 --with-compiler="$(ghc-getghc)" \ 315 --with-compiler="$(ghc-getghc)" \
247 --with-hc-pkg="$(ghc-getghcpkg)" \ 316 --with-hc-pkg="$(ghc-getghcpkg)" \
248 --prefix=/usr \ 317 --prefix="${EPREFIX}"/usr \
249 --libdir=/usr/$(get_libdir) \ 318 --libdir="${EPREFIX}"/usr/$(get_libdir) \
250 --libsubdir=${P}/ghc-$(ghc-version) \ 319 --libsubdir=${P}/ghc-$(ghc-version) \
251 --datadir=/usr/share/ \ 320 --datadir="${EPREFIX}"/usr/share/ \
252 --datasubdir=${P}/ghc-$(ghc-version) \ 321 --datasubdir=${P}/ghc-$(ghc-version) \
253 ${cabalconf} \ 322 ${cabalconf} \
254 ${CABAL_CONFIGURE_FLAGS} \ 323 ${CABAL_CONFIGURE_FLAGS} \
324 ${CABAL_EXTRA_CONFIGURE_FLAGS} \
325 "$@"
326 echo ./setup "$@"
255 "$@" || die "setup configure failed" 327 ./setup "$@" || die "setup configure failed"
256} 328}
257 329
258cabal-build() { 330cabal-build() {
259 unset LANG LC_ALL LC_MESSAGES 331 unset LANG LC_ALL LC_MESSAGES
260 ./setup build \ 332 set -- build ${CABAL_EXTRA_BUILD_FLAGS} "$@"
333 echo ./setup "$@"
334 ./setup "$@" \
261 || die "setup build failed" 335 || die "setup build failed"
262} 336}
263 337
264cabal-copy() { 338cabal-copy() {
265 ./setup copy \ 339 has "${EAPI:-0}" 0 1 2 && ! use prefix && ED=${D}
266 --destdir="${D}" \ 340
341 set -- copy --destdir="${D}" "$@"
342 echo ./setup "$@"
267 || die "setup copy failed" 343 ./setup "$@" || die "setup copy failed"
268 344
269 # cabal is a bit eager about creating dirs, 345 # cabal is a bit eager about creating dirs,
270 # so remove them if they are empty 346 # so remove them if they are empty
271 rmdir "${D}/usr/bin" 2> /dev/null 347 rmdir "${ED}/usr/bin" 2> /dev/null
272
273 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has
274 # no workaround.
275 # set the +x permission on executables
276 if [[ -d "${D}/usr/bin" ]] ; then
277 chmod +x "${D}/usr/bin/"*
278 fi
279 # TODO: do we still need this?
280} 348}
281 349
282cabal-pkg() { 350cabal-pkg() {
283 # This does not actually register since we're using true instead 351 # This does not actually register since we're using true instead
284 # of ghc-pkg. So it just leaves the .installed-pkg-config and we can 352 # of ghc-pkg. So it just leaves the .conf file and we can
285 # register that ourselves (if it exists). 353 # register that ourselves (if it exists).
286 local result
287 local err
288 354
289 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then 355 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then
290 if version_is_at_least "1.2.0" "$(cabal-version)"; then
291 # Newer cabal can generate a package conf for us: 356 # Newer cabal can generate a package conf for us:
292 ./setup register --gen-pkg-config="${T}/${P}.conf" 357 ./setup register --gen-pkg-config="${T}/${P}.conf"
293 ghc-setup-pkg "${T}/${P}.conf" 358 ghc-setup-pkg "${T}/${P}.conf"
294 ghc-install-pkg 359 ghc-install-pkg
295 else
296 # With older cabal we have to hack it by replacing its ghc-pkg
297 # with true and then just picking up the .installed-pkg-config
298 # file and registering that ourselves (if it exists).
299 sed -i "s|$(ghc-getghcpkg)|$(type -P true)|" .setup-config
300 ./setup register || die "setup register failed"
301 if [[ -f .installed-pkg-config ]]; then
302 ghc-setup-pkg .installed-pkg-config
303 ghc-install-pkg
304 else
305 die "setup register has not generated a package configuration file"
306 fi
307 fi
308 fi 360 fi
309} 361}
310 362
311# Some cabal libs are bundled along with some versions of ghc 363# Some cabal libs are bundled along with some versions of ghc
312# eg filepath-1.0 comes with ghc-6.6.1 364# eg filepath-1.0 comes with ghc-6.6.1
316# However portage still records the dependency and we can upgrade the package 368# However portage still records the dependency and we can upgrade the package
317# to a later one that's not included with ghc. 369# to a later one that's not included with ghc.
318# You can also put a space separated list, eg CABAL_CORE_LIB_GHC_PV="6.6 6.6.1". 370# You can also put a space separated list, eg CABAL_CORE_LIB_GHC_PV="6.6 6.6.1".
319cabal-is-dummy-lib() { 371cabal-is-dummy-lib() {
320 for version in ${CABAL_CORE_LIB_GHC_PV[*]}; do 372 for version in ${CABAL_CORE_LIB_GHC_PV[*]}; do
321 [[ "$(ghc-version)" == "$version" ]] && return 0 373 [[ "$(ghc-version)" == ${version} ]] && return 0
322 done 374 done
323 return 1 375 return 1
324} 376}
325 377
326# exported function: check if cabal is correctly installed for 378# exported function: check if cabal is correctly installed for
327# the currently active ghc (we cannot guarantee this with portage) 379# the currently active ghc (we cannot guarantee this with portage)
328haskell-cabal_pkg_setup() { 380haskell-cabal_pkg_setup() {
329 ghc-package_pkg_setup
330 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
331 eerror "The package dev-haskell/cabal is not correctly installed for"
332 eerror "the currently active version of ghc ($(ghc-version)). Please"
333 eerror "run ghc-updater or haskell-updater or re-build dev-haskell/cabal."
334 die "cabal is not correctly installed"
335 fi
336 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then 381 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then
337 eerror "QA: Neither bin nor lib are in CABAL_FEATURES." 382 eqawarn "QA Notice: Neither bin nor lib are in CABAL_FEATURES."
338 fi 383 fi
339 if [[ -n "${CABAL_UNKNOWN}" ]]; then 384 if [[ -n "${CABAL_UNKNOWN}" ]]; then
340 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}" 385 eqawarn "QA Notice: Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}"
341 fi 386 fi
342 if cabal-is-dummy-lib; then 387 if cabal-is-dummy-lib; then
343 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install." 388 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
344 fi 389 fi
345} 390}
346 391
347haskell-cabal_src_configure() { 392haskell-cabal_src_configure() {
393 cabal-is-dummy-lib && return
394
348 pushd "${S}" > /dev/null 395 pushd "${S}" > /dev/null
349 396
350 cabal-bootstrap 397 cabal-bootstrap
398
351 cabal-configure "$@" 399 cabal-configure "$@"
352 400
353 popd > /dev/null 401 popd > /dev/null
354} 402}
355 403
358 haskell-cabal_src_configure "$@" 406 haskell-cabal_src_configure "$@"
359} 407}
360 408
361# exported function: cabal-style bootstrap configure and compile 409# exported function: cabal-style bootstrap configure and compile
362cabal_src_compile() { 410cabal_src_compile() {
363 if ! cabal-is-dummy-lib; then 411 # it's a common mistake when one bumps ebuild to EAPI="2" (and upper)
412 # and forgets to separate src_compile() to src_configure()/src_compile().
413 # Such error leads to default src_configure and we lose all passed flags.
414 if ! has "${EAPI:-0}" 0 1; then
415 local passed_flag
416 for passed_flag in "$@"; do
417 [[ ${passed_flag} == --flags=* ]] && \
418 eqawarn "QA Notice: Cabal option '${passed_flag}' has effect only in src_configure()"
419 done
420 fi
421
422 cabal-is-dummy-lib && return
423
364 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@" 424 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
365 cabal-build 425 cabal-build
366 426
367 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 427 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
368 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then 428 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
369 # hscolour and haddock 429 # hscolour and haddock
370 cabal-hscolour-haddock 430 cabal-hscolour-haddock
371 else
372 # just haddock
373 cabal-haddock
374 fi
375 else 431 else
432 # just haddock
433 cabal-haddock
434 fi
435 else
376 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then 436 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
377 # just hscolour 437 # just hscolour
378 cabal-hscolour 438 cabal-hscolour
379 fi
380 fi 439 fi
381 fi 440 fi
382} 441}
383 442
384haskell-cabal_src_compile() { 443haskell-cabal_src_compile() {
394 453
395 if cabal-is-dummy-lib; then 454 if cabal-is-dummy-lib; then
396 einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}" 455 einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}"
397 else 456 else
398 einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}" 457 einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}"
458 set -- test "$@"
459 echo ./setup "$@"
399 ./setup test || die "cabal test failed" 460 ./setup "$@" || die "cabal test failed"
400 fi 461 fi
401 462
402 popd > /dev/null 463 popd > /dev/null
403} 464}
404 465
405# exported function: cabal-style copy and register 466# exported function: cabal-style copy and register
406cabal_src_install() { 467cabal_src_install() {
468 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
469
407 if cabal-is-dummy-lib; then 470 if ! cabal-is-dummy-lib; then
408 # create a dummy local package conf file for the sake of ghc-updater
409 dodir "$(ghc-confdir)"
410 echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
411 else
412 cabal-copy 471 cabal-copy
413 cabal-pkg 472 cabal-pkg
473 fi
414 474
415 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 475 # create a dummy local package conf file for haskell-updater
416 if ! version_is_at_least "1.1.6" "$(cabal-version)"; then 476 # if it does not exist (dummy libraries and binaries w/o libraries)
417 dohtml -r dist/doc/html/* 477 local ghc_confdir_with_prefix="$(ghc-confdir)"
478 # remove EPREFIX
479 dodir ${ghc_confdir_with_prefix#${EPREFIX}}
480 local conf_file="${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
481 [[ -e $conf_file ]] || echo '[]' > "$conf_file" || die
482
483 # make sure installed packages do not destroy ghc's
484 # bundled packages
485 local initial_pkg_db=${ROOT}/$(ghc-libdir)/package.conf.d.initial
486 if [[ -e ${initial_pkg_db} ]]; then
487 local checked_pkg
488 for checked_pkg in $(ghc-listpkg "${conf_file}")
489 do
490 local initial_pkg
491 for initial_pkg in $(ghc-listpkg "${initial_pkg_db}"); do
492 if [[ ${checked_pkg} = ${initial_pkg} ]]; then
493 eerror "Package ${checked_pkg} is shipped with $(ghc-version)."
494 eerror "Ebuild author forgot CABAL_CORE_LIB_GHC_PV entry."
495 eerror "Found in ${initial_pkg_db}."
496 die
418 fi 497 fi
419 fi 498 done
499 done
420 fi 500 fi
421} 501}
422 502
423haskell-cabal_src_install() { 503haskell-cabal_src_install() {
424 pushd "${S}" > /dev/null 504 pushd "${S}" > /dev/null

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