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Revision 1.20 Revision 1.36
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 1.20 2010/03/30 22:18:37 kolmodin Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/haskell-cabal.eclass,v 1.36 2012/11/19 20:35:16 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
22# hoogle -- generation of documentation search index
21# alex -- lexer/scanner generator 23# alex -- lexer/scanner generator
22# happy -- parser generator 24# happy -- parser generator
23# c2hs -- C interface generator 25# c2hs -- C interface generator
24# cpphs -- C preprocessor clone written in Haskell 26# cpphs -- C preprocessor clone written in Haskell
25# profile -- if package supports to build profiling-enabled libraries 27# profile -- if package supports to build profiling-enabled libraries
26# bootstrap -- only used for the cabal package itself 28# bootstrap -- only used for the cabal package itself
27# bin -- the package installs binaries 29# bin -- the package installs binaries
28# lib -- the package installs libraries 30# lib -- the package installs libraries
29# nocabaldep -- don't add dependency on cabal. 31# nocabaldep -- don't add dependency on cabal.
30# only used for packages that _must_ not pull the dependency 32# only used for packages that _must_ not pull the dependency
31# on cabal, but still use this eclass (e.g. haskell-updater). 33# on cabal, but still use this eclass (e.g. haskell-updater).
32# 34# test-suite -- add support for cabal test-suites (introduced in Cabal-1.8)
33# Dependencies on other cabal packages have to be specified
34# correctly.
35#
36# Cabal libraries should usually be SLOTted with "${PV}".
37#
38# Many Cabal packages require S to be manually set.
39#
40# Conforming Cabal packages don't require any function definitions
41# in the ebuild.
42#
43# Special flags to Cabal Configure can now be set by using
44# CABAL_CONFIGURE_FLAGS
45 35
46inherit ghc-package multilib 36inherit ghc-package multilib
47 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
58# @ECLASS-VARIABLE: CABAL_DEBUG_LOOSENING
59# @DESCRIPTION:
60# Show debug output for 'cabal_chdeps' function if set.
61# Needs working 'diff'.
62: ${CABAL_DEBUG_LOOSENING:=}
63
48HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install" 64HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install"
49 65
50case "${EAPI:-0}" in 66case "${EAPI:-0}" in
51 2|3|4) HASKELL_CABAL_EXPF+=" src_configure" ;; 67 2|3|4|5) HASKELL_CABAL_EXPF+=" src_configure" ;;
52 *) ;; 68 *) ;;
53esac 69esac
54 70
55EXPORT_FUNCTIONS ${HASKELL_CABAL_EXPF} 71EXPORT_FUNCTIONS ${HASKELL_CABAL_EXPF}
56 72
57for feature in ${CABAL_FEATURES}; do 73for feature in ${CABAL_FEATURES}; do
58 case ${feature} in 74 case ${feature} in
59 haddock) CABAL_USE_HADDOCK=yes;; 75 haddock) CABAL_USE_HADDOCK=yes;;
76 hscolour) CABAL_USE_HSCOLOUR=yes;;
77 hoogle) CABAL_USE_HOOGLE=yes;;
60 alex) CABAL_USE_ALEX=yes;; 78 alex) CABAL_USE_ALEX=yes;;
61 happy) CABAL_USE_HAPPY=yes;; 79 happy) CABAL_USE_HAPPY=yes;;
62 c2hs) CABAL_USE_C2HS=yes;; 80 c2hs) CABAL_USE_C2HS=yes;;
63 cpphs) CABAL_USE_CPPHS=yes;; 81 cpphs) CABAL_USE_CPPHS=yes;;
64 profile) CABAL_USE_PROFILE=yes;; 82 profile) CABAL_USE_PROFILE=yes;;
65 bootstrap) CABAL_BOOTSTRAP=yes;; 83 bootstrap) CABAL_BOOTSTRAP=yes;;
66 bin) CABAL_HAS_BINARIES=yes;; 84 bin) CABAL_HAS_BINARIES=yes;;
67 lib) CABAL_HAS_LIBRARIES=yes;; 85 lib) CABAL_HAS_LIBRARIES=yes;;
68 nocabaldep) CABAL_FROM_GHC=yes;; 86 nocabaldep) CABAL_FROM_GHC=yes;;
87 test-suite) CABAL_TEST_SUITE=yes;;
69 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";; 88 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";;
70 esac 89 esac
71done 90done
72 91
73if [[ -n "${CABAL_USE_HADDOCK}" ]]; then 92if [[ -n "${CABAL_USE_HADDOCK}" ]]; then
74 IUSE="${IUSE} doc" 93 IUSE="${IUSE} doc"
94 # don't require depend on itself to build docs.
95 # ebuild bootstraps docs from just built binary
96 [[ ${CATEGORY}/${PN} = "dev-haskell/haddock" ]] || DEPEND="${DEPEND} doc? ( dev-haskell/haddock )"
97fi
98
99if [[ -n "${CABAL_USE_HSCOLOUR}" ]]; then
100 IUSE="${IUSE} hscolour"
75 DEPEND="${DEPEND} doc? ( dev-haskell/haddock )" 101 DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )"
76fi 102fi
77 103
78if [[ -n "${CABAL_USE_ALEX}" ]]; then 104if [[ -n "${CABAL_USE_ALEX}" ]]; then
79 DEPEND="${DEPEND} dev-haskell/alex" 105 DEPEND="${DEPEND} dev-haskell/alex"
80 cabalconf="${cabalconf} --with-alex=/usr/bin/alex"
81fi 106fi
82 107
83if [[ -n "${CABAL_USE_HAPPY}" ]]; then 108if [[ -n "${CABAL_USE_HAPPY}" ]]; then
84 DEPEND="${DEPEND} dev-haskell/happy" 109 DEPEND="${DEPEND} dev-haskell/happy"
85 cabalconf="${cabalconf} --with-happy=/usr/bin/happy"
86fi 110fi
87 111
88if [[ -n "${CABAL_USE_C2HS}" ]]; then 112if [[ -n "${CABAL_USE_C2HS}" ]]; then
89 DEPEND="${DEPEND} dev-haskell/c2hs" 113 DEPEND="${DEPEND} dev-haskell/c2hs"
90 cabalconf="${cabalconf} --with-c2hs=/usr/bin/c2hs"
91fi 114fi
92 115
93if [[ -n "${CABAL_USE_CPPHS}" ]]; then 116if [[ -n "${CABAL_USE_CPPHS}" ]]; then
94 DEPEND="${DEPEND} dev-haskell/cpphs" 117 DEPEND="${DEPEND} dev-haskell/cpphs"
95 cabalconf="${cabalconf} --with-cpphs=/usr/bin/cpphs"
96fi 118fi
97 119
98if [[ -n "${CABAL_USE_PROFILE}" ]]; then 120if [[ -n "${CABAL_USE_PROFILE}" ]]; then
99 IUSE="${IUSE} profile" 121 IUSE="${IUSE} profile"
122fi
123
124if [[ -n "${CABAL_TEST_SUITE}" ]]; then
125 IUSE="${IUSE} test"
100fi 126fi
101 127
102# We always use a standalone version of Cabal, rather than the one that comes 128# We always use a standalone version of Cabal, rather than the one that comes
103# with GHC. But of course we can't depend on cabal when building cabal itself. 129# with GHC. But of course we can't depend on cabal when building cabal itself.
104if [[ -z ${CABAL_MIN_VERSION} ]]; then 130if [[ -z ${CABAL_MIN_VERSION} ]]; then
120 if [[ "${CABAL_BOOTSTRAP}" ]]; then 146 if [[ "${CABAL_BOOTSTRAP}" ]]; then
121 # We're bootstrapping cabal, so the cabal version is the version 147 # We're bootstrapping cabal, so the cabal version is the version
122 # of this package itself. 148 # of this package itself.
123 _CABAL_VERSION_CACHE="${PV}" 149 _CABAL_VERSION_CACHE="${PV}"
124 elif [[ "${CABAL_FROM_GHC}" ]]; then 150 elif [[ "${CABAL_FROM_GHC}" ]]; then
125 # We can't assume there's a version of Cabal installed by ebuild as 151 local cabal_package=$(echo "$(ghc-libdir)"/Cabal-*)
126 # this might be a first time install of GHC (for packages that 152 # /path/to/ghc/Cabal-${VER} -> ${VER}
127 # use the shipped Cabal like haskell-updater). 153 _CABAL_VERSION_CACHE="${cabal_package/*Cabal-/}"
128
129 # The user is likely to only have one version of Cabal, provided
130 # by GHC. Note that dev-haskell/cabal can be a dummy package, only
131 # using the version provided by GHC. If the user has another version
132 # of Cabal too (more recent than the one GHC provides through
133 # dev-haskell/cabal, or possibly older if he used an old
134 # Cabal package) the most recent is used (expected to be the last
135 # one in the ghc-pkg output).
136 _CABAL_VERSION_CACHE="$(ghc-pkg field Cabal version | tail -n 1)"
137
138 # Strip out the "version: " prefix
139 _CABAL_VERSION_CACHE="${_CABAL_VERSION_CACHE#"version: "}"
140 else 154 else
141 # We ask portage, not ghc, so that we only pick up 155 # We ask portage, not ghc, so that we only pick up
142 # portage-installed cabal versions. 156 # portage-installed cabal versions.
143 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)" 157 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)"
144 fi 158 fi
149cabal-bootstrap() { 163cabal-bootstrap() {
150 local setupmodule 164 local setupmodule
151 local cabalpackage 165 local cabalpackage
152 if [[ -f "${S}/Setup.lhs" ]]; then 166 if [[ -f "${S}/Setup.lhs" ]]; then
153 setupmodule="${S}/Setup.lhs" 167 setupmodule="${S}/Setup.lhs"
168 elif [[ -f "${S}/Setup.hs" ]]; then
169 setupmodule="${S}/Setup.hs"
154 else 170 else
155 if [[ -f "${S}/Setup.hs" ]]; then
156 setupmodule="${S}/Setup.hs"
157 else
158 die "No Setup.lhs or Setup.hs found" 171 die "No Setup.lhs or Setup.hs found"
159 fi 172 fi
173
174 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
175 eerror "The package dev-haskell/cabal is not correctly installed for"
176 eerror "the currently active version of ghc ($(ghc-version)). Please"
177 eerror "run haskell-updater or re-build dev-haskell/cabal."
178 die "cabal is not correctly installed"
160 fi 179 fi
161 180
162 # We build the setup program using the latest version of 181 # We build the setup program using the latest version of
163 # cabal that we have installed 182 # cabal that we have installed
164 if version_is_at_least "6.4" "$(ghc-version)"; then
165 cabalpackage=Cabal-$(cabal-version) 183 cabalpackage=Cabal-$(cabal-version)
184 einfo "Using cabal-$(cabal-version)."
185
186 make_setup() {
187 set -- -package "${cabalpackage}" --make "${setupmodule}" \
188 ${GHC_BOOTSTRAP_FLAGS} \
189 "$@" \
190 -o setup
191 echo $(ghc-getghc) ${HCFLAGS} "$@"
192 $(ghc-getghc) "$@"
193 }
194 if $(ghc-supports-shared-libraries); then
195 # # some custom build systems might use external libraries,
196 # # for which we don't have shared libs, so keep static fallback
197 # bug #411789, http://hackage.haskell.org/trac/ghc/ticket/5743#comment:3
198 # http://hackage.haskell.org/trac/ghc/ticket/7062
199 # http://hackage.haskell.org/trac/ghc/ticket/3072
200 # ghc does not set RPATH for extralibs, thus we do it ourselves by hands
201 einfo "Prepending $(ghc-libdir) to LD_LIBRARY_PATH"
202 if [[ ${CHOST} != *-darwin* ]]; then
203 LD_LIBRARY_PATH="$(ghc-libdir)${LD_LIBRARY_PATH:+:}${LD_LIBRARY_PATH}"
204 export LD_LIBRARY_PATH
205 else
206 DYLD_LIBRARY_PATH="$(ghc-libdir)${DYLD_LIBRARY_PATH:+:}${DYLD_LIBRARY_PATH}"
207 export DYLD_LIBRARY_PATH
208 fi
209 { make_setup -dynamic "$@" && ./setup --help >/dev/null; } ||
210 make_setup "$@" || die "compiling ${setupmodule} failed"
166 else 211 else
167 # older ghc's don't support package versioning
168 cabalpackage=Cabal
169 fi
170 einfo "Using cabal-$(cabal-version)."
171 $(ghc-getghc) -package "${cabalpackage}" --make "${setupmodule}" -o setup \
172 || die "compiling ${setupmodule} failed" 212 make_setup "$@" || die "compiling ${setupmodule} failed"
213 fi
173} 214}
174 215
175cabal-mksetup() { 216cabal-mksetup() {
176 local setupdir 217 local setupdir
177 218
182 fi 223 fi
183 224
184 rm -f "${setupdir}"/Setup.{lhs,hs} 225 rm -f "${setupdir}"/Setup.{lhs,hs}
185 226
186 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \ 227 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \
187 > $setupdir/Setup.hs 228 > $setupdir/Setup.hs || die "failed to create default Setup.hs"
229}
230
231cabal-hscolour() {
232 set -- hscolour "$@"
233 echo ./setup "$@"
234 ./setup "$@" || die "setup hscolour failed"
188} 235}
189 236
190cabal-haddock() { 237cabal-haddock() {
191 ./setup haddock || die "setup haddock failed" 238 set -- haddock "$@"
239 echo ./setup "$@"
240 ./setup "$@" || die "setup haddock failed"
241}
242
243cabal-hscolour-haddock() {
244 # --hyperlink-source implies calling 'setup hscolour'
245 set -- haddock --hyperlink-source
246 echo ./setup "$@"
247 ./setup "$@" --hyperlink-source || die "setup haddock --hyperlink-source failed"
192} 248}
193 249
194cabal-configure() { 250cabal-configure() {
251 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
252
195 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 253 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
196 cabalconf="${cabalconf} --with-haddock=/usr/bin/haddock" 254 cabalconf="${cabalconf} --with-haddock=${EPREFIX}/usr/bin/haddock"
197 fi 255 fi
198 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then 256 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then
199 cabalconf="${cabalconf} --enable-library-profiling" 257 cabalconf="${cabalconf} --enable-library-profiling"
200 fi 258 fi
259 if [[ -n "${CABAL_USE_ALEX}" ]]; then
260 cabalconf="${cabalconf} --with-alex=${EPREFIX}/usr/bin/alex"
261 fi
262
263 if [[ -n "${CABAL_USE_HAPPY}" ]]; then
264 cabalconf="${cabalconf} --with-happy=${EPREFIX}/usr/bin/happy"
265 fi
266
267 if [[ -n "${CABAL_USE_C2HS}" ]]; then
268 cabalconf="${cabalconf} --with-c2hs=${EPREFIX}/usr/bin/c2hs"
269 fi
270 if [[ -n "${CABAL_USE_CPPHS}" ]]; then
271 cabalconf="${cabalconf} --with-cpphs=${EPREFIX}/usr/bin/cpphs"
272 fi
273 if [[ -n "${CABAL_TEST_SUITE}" ]]; then
274 cabalconf="${cabalconf} $(use_enable test tests)"
275 fi
276
277 local option
278 for option in ${HCFLAGS}
279 do
280 cabalconf+=" --ghc-option=$option"
281 done
282
201 # Building GHCi libs on ppc64 causes "TOC overflow". 283 # Building GHCi libs on ppc64 causes "TOC overflow".
202 if use ppc64; then 284 if use ppc64; then
203 cabalconf="${cabalconf} --disable-library-for-ghci" 285 cabalconf="${cabalconf} --disable-library-for-ghci"
204 fi 286 fi
205 287
206 if version_is_at_least "1.4" "$(cabal-version)"; then 288 # currently cabal does not respect CFLAGS and LDFLAGS on it's own (bug #333217)
289 # so translate LDFLAGS to ghc parameters (without filtering)
290 local flag
291 for flag in $LDFLAGS; do cabalconf="${cabalconf} --ghc-option=-optl$flag"; done
292
207 # disable executable stripping for the executables, as portage will 293 # disable executable stripping for the executables, as portage will
208 # strip by itself, and pre-stripping gives a QA warning. 294 # strip by itself, and pre-stripping gives a QA warning.
209 # cabal versions previous to 1.4 does not strip executables, and does 295 # cabal versions previous to 1.4 does not strip executables, and does
210 # not accept the flag. 296 # not accept the flag.
211 # this fixes numerous bugs, amongst them; 297 # this fixes numerous bugs, amongst them;
212 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494 298 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494
213 cabalconf="${cabalconf} --disable-executable-stripping" 299 cabalconf="${cabalconf} --disable-executable-stripping"
214 fi
215 300
216 if version_is_at_least "1.2.0" "$(cabal-version)"; then
217 cabalconf="${cabalconf} --docdir=/usr/share/doc/${PF}" 301 cabalconf="${cabalconf} --docdir=${EPREFIX}/usr/share/doc/${PF}"
218 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes 302 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes
219 # it's better if the configure chatter is in the build logs: 303 # it's better if the configure chatter is in the build logs:
220 cabalconf="${cabalconf} --verbose" 304 cabalconf="${cabalconf} --verbose"
305
306 # We build shared version of our Cabal where ghc ships it's shared
307 # version of it. We will link ./setup as dynamic binary againt Cabal later.
308 [[ ${CATEGORY}/${PN} == "dev-haskell/cabal" ]] && \
309 $(ghc-supports-shared-libraries) && \
310 cabalconf="${cabalconf} --enable-shared"
311
312 if $(ghc-supports-shared-libraries); then
313 # maybe a bit lower
314 if version_is_at_least "7.7.20121114" "$(ghc-version)"; then
315 cabalconf="${cabalconf} --enable-shared"
221 fi 316 fi
222 # Note: with Cabal-1.1.6.x we do not have enough control 317 fi
223 # to put the docs into the right place. They're currently going
224 # into /usr/share/${P}/ghc-x.y/doc/
225 # rather than /usr/share/doc/${PF}/
226 # Because we can only set the datadir, not the docdir.
227 318
228 ./setup configure \ 319 set -- configure \
229 --ghc --prefix=/usr \ 320 --ghc --prefix="${EPREFIX}"/usr \
230 --with-compiler="$(ghc-getghc)" \ 321 --with-compiler="$(ghc-getghc)" \
231 --with-hc-pkg="$(ghc-getghcpkg)" \ 322 --with-hc-pkg="$(ghc-getghcpkg)" \
232 --prefix=/usr \ 323 --prefix="${EPREFIX}"/usr \
233 --libdir=/usr/$(get_libdir) \ 324 --libdir="${EPREFIX}"/usr/$(get_libdir) \
234 --libsubdir=${P}/ghc-$(ghc-version) \ 325 --libsubdir=${P}/ghc-$(ghc-version) \
235 --datadir=/usr/share/ \ 326 --datadir="${EPREFIX}"/usr/share/ \
236 --datasubdir=${P}/ghc-$(ghc-version) \ 327 --datasubdir=${P}/ghc-$(ghc-version) \
237 ${cabalconf} \ 328 ${cabalconf} \
238 ${CABAL_CONFIGURE_FLAGS} \ 329 ${CABAL_CONFIGURE_FLAGS} \
330 ${CABAL_EXTRA_CONFIGURE_FLAGS} \
331 "$@"
332 echo ./setup "$@"
239 "$@" || die "setup configure failed" 333 ./setup "$@" || die "setup configure failed"
240} 334}
241 335
242cabal-build() { 336cabal-build() {
243 unset LANG LC_ALL LC_MESSAGES 337 unset LANG LC_ALL LC_MESSAGES
244 ./setup build \ 338 set -- build ${CABAL_EXTRA_BUILD_FLAGS} "$@"
339 echo ./setup "$@"
340 ./setup "$@" \
245 || die "setup build failed" 341 || die "setup build failed"
246} 342}
247 343
248cabal-copy() { 344cabal-copy() {
249 ./setup copy \ 345 has "${EAPI:-0}" 0 1 2 && ! use prefix && ED=${D}
250 --destdir="${D}" \ 346
347 set -- copy --destdir="${D}" "$@"
348 echo ./setup "$@"
251 || die "setup copy failed" 349 ./setup "$@" || die "setup copy failed"
252 350
253 # cabal is a bit eager about creating dirs, 351 # cabal is a bit eager about creating dirs,
254 # so remove them if they are empty 352 # so remove them if they are empty
255 rmdir "${D}/usr/bin" 2> /dev/null 353 rmdir "${ED}/usr/bin" 2> /dev/null
256
257 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has
258 # no workaround.
259 # set the +x permission on executables
260 if [[ -d "${D}/usr/bin" ]] ; then
261 chmod +x "${D}/usr/bin/"*
262 fi
263 # TODO: do we still need this?
264} 354}
265 355
266cabal-pkg() { 356cabal-pkg() {
267 # This does not actually register since we're using true instead 357 # This does not actually register since we're using true instead
268 # of ghc-pkg. So it just leaves the .installed-pkg-config and we can 358 # of ghc-pkg. So it just leaves the .conf file and we can
269 # register that ourselves (if it exists). 359 # register that ourselves (if it exists).
270 local result
271 local err
272 360
273 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then 361 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then
274 if version_is_at_least "1.2.0" "$(cabal-version)"; then
275 # Newer cabal can generate a package conf for us: 362 # Newer cabal can generate a package conf for us:
276 ./setup register --gen-pkg-config="${T}/${P}.conf" 363 ./setup register --gen-pkg-config="${T}/${P}.conf"
277 ghc-setup-pkg "${T}/${P}.conf" 364 ghc-setup-pkg "${T}/${P}.conf"
278 ghc-install-pkg 365 ghc-install-pkg
279 else
280 # With older cabal we have to hack it by replacing its ghc-pkg
281 # with true and then just picking up the .installed-pkg-config
282 # file and registering that ourselves (if it exists).
283 sed -i "s|$(ghc-getghcpkg)|$(type -P true)|" .setup-config
284 ./setup register || die "setup register failed"
285 if [[ -f .installed-pkg-config ]]; then
286 ghc-setup-pkg .installed-pkg-config
287 ghc-install-pkg
288 else
289 die "setup register has not generated a package configuration file"
290 fi
291 fi
292 fi 366 fi
293} 367}
294 368
295# Some cabal libs are bundled along with some versions of ghc 369# Some cabal libs are bundled along with some versions of ghc
296# eg filepath-1.0 comes with ghc-6.6.1 370# eg filepath-1.0 comes with ghc-6.6.1
300# However portage still records the dependency and we can upgrade the package 374# However portage still records the dependency and we can upgrade the package
301# to a later one that's not included with ghc. 375# to a later one that's not included with ghc.
302# You can also put a space separated list, eg CABAL_CORE_LIB_GHC_PV="6.6 6.6.1". 376# You can also put a space separated list, eg CABAL_CORE_LIB_GHC_PV="6.6 6.6.1".
303cabal-is-dummy-lib() { 377cabal-is-dummy-lib() {
304 for version in ${CABAL_CORE_LIB_GHC_PV[*]}; do 378 for version in ${CABAL_CORE_LIB_GHC_PV[*]}; do
305 [[ "$(ghc-version)" == "$version" ]] && return 0 379 [[ "$(ghc-version)" == ${version} ]] && return 0
306 done 380 done
307 return 1 381 return 1
308} 382}
309 383
310# exported function: check if cabal is correctly installed for 384# exported function: check if cabal is correctly installed for
311# the currently active ghc (we cannot guarantee this with portage) 385# the currently active ghc (we cannot guarantee this with portage)
312haskell-cabal_pkg_setup() { 386haskell-cabal_pkg_setup() {
313 ghc-package_pkg_setup
314 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
315 eerror "The package dev-haskell/cabal is not correctly installed for"
316 eerror "the currently active version of ghc ($(ghc-version)). Please"
317 eerror "run ghc-updater or haskell-updater or re-build dev-haskell/cabal."
318 die "cabal is not correctly installed"
319 fi
320 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then 387 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then
321 eerror "QA: Neither bin nor lib are in CABAL_FEATURES." 388 eqawarn "QA Notice: Neither bin nor lib are in CABAL_FEATURES."
322 fi 389 fi
323 if [[ -n "${CABAL_UNKNOWN}" ]]; then 390 if [[ -n "${CABAL_UNKNOWN}" ]]; then
324 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}" 391 eqawarn "QA Notice: Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}"
325 fi 392 fi
326 if cabal-is-dummy-lib; then 393 if cabal-is-dummy-lib; then
327 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install." 394 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
328 fi 395 fi
329} 396}
330 397
331haskell-cabal_src_configure() { 398haskell-cabal_src_configure() {
399 cabal-is-dummy-lib && return
400
332 pushd "${S}" > /dev/null 401 pushd "${S}" > /dev/null
333 402
334 cabal-bootstrap 403 cabal-bootstrap
404
335 cabal-configure "$@" 405 cabal-configure "$@"
336 406
337 popd > /dev/null 407 popd > /dev/null
338} 408}
339 409
342 haskell-cabal_src_configure "$@" 412 haskell-cabal_src_configure "$@"
343} 413}
344 414
345# exported function: cabal-style bootstrap configure and compile 415# exported function: cabal-style bootstrap configure and compile
346cabal_src_compile() { 416cabal_src_compile() {
347 if ! cabal-is-dummy-lib; then 417 # it's a common mistake when one bumps ebuild to EAPI="2" (and upper)
418 # and forgets to separate src_compile() to src_configure()/src_compile().
419 # Such error leads to default src_configure and we lose all passed flags.
420 if ! has "${EAPI:-0}" 0 1; then
421 local passed_flag
422 for passed_flag in "$@"; do
423 [[ ${passed_flag} == --flags=* ]] && \
424 eqawarn "QA Notice: Cabal option '${passed_flag}' has effect only in src_configure()"
425 done
426 fi
427
428 cabal-is-dummy-lib && return
429
348 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@" 430 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
349 cabal-build 431 cabal-build
350 432
351 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 433 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
434 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
435 # hscolour and haddock
436 cabal-hscolour-haddock
437 else
438 # just haddock
352 cabal-haddock 439 cabal-haddock
440 fi
441 else
442 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
443 # just hscolour
444 cabal-hscolour
353 fi 445 fi
354 fi 446 fi
355} 447}
356 448
357haskell-cabal_src_compile() { 449haskell-cabal_src_compile() {
367 459
368 if cabal-is-dummy-lib; then 460 if cabal-is-dummy-lib; then
369 einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}" 461 einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}"
370 else 462 else
371 einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}" 463 einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}"
464 set -- test "$@"
465 echo ./setup "$@"
372 ./setup test || die "cabal test failed" 466 ./setup "$@" || die "cabal test failed"
373 fi 467 fi
374 468
375 popd > /dev/null 469 popd > /dev/null
376} 470}
377 471
378# exported function: cabal-style copy and register 472# exported function: cabal-style copy and register
379cabal_src_install() { 473cabal_src_install() {
474 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
475
380 if cabal-is-dummy-lib; then 476 if ! cabal-is-dummy-lib; then
381 # create a dummy local package conf file for the sake of ghc-updater
382 dodir "$(ghc-confdir)"
383 echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
384 else
385 cabal-copy 477 cabal-copy
386 cabal-pkg 478 cabal-pkg
479 fi
387 480
388 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 481 # create a dummy local package conf file for haskell-updater
389 if ! version_is_at_least "1.1.6" "$(cabal-version)"; then 482 # if it does not exist (dummy libraries and binaries w/o libraries)
390 dohtml -r dist/doc/html/* 483 local ghc_confdir_with_prefix="$(ghc-confdir)"
484 # remove EPREFIX
485 dodir ${ghc_confdir_with_prefix#${EPREFIX}}
486 local conf_file="${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
487 [[ -e $conf_file ]] || echo '[]' > "$conf_file" || die
488
489 # make sure installed packages do not destroy ghc's
490 # bundled packages
491 local initial_pkg_db=${ROOT}/$(ghc-libdir)/package.conf.d.initial
492 if [[ -e ${initial_pkg_db} ]]; then
493 local checked_pkg
494 for checked_pkg in $(ghc-listpkg "${conf_file}")
495 do
496 local initial_pkg
497 for initial_pkg in $(ghc-listpkg "${initial_pkg_db}"); do
498 if [[ ${checked_pkg} = ${initial_pkg} ]]; then
499 eerror "Package ${checked_pkg} is shipped with $(ghc-version)."
500 eerror "Ebuild author forgot CABAL_CORE_LIB_GHC_PV entry."
501 eerror "Found in ${initial_pkg_db}."
502 die
391 fi 503 fi
392 fi 504 done
505 done
393 fi 506 fi
394} 507}
395 508
396haskell-cabal_src_install() { 509haskell-cabal_src_install() {
397 pushd "${S}" > /dev/null 510 pushd "${S}" > /dev/null
426 echo "--flags=-${UWORD}" 539 echo "--flags=-${UWORD}"
427 fi 540 fi
428 541
429 return 0 542 return 0
430} 543}
544
545# @FUNCTION: cabal_chdeps
546# @DESCRIPTION:
547# Allows easier patching of $CABAL_FILE (${S}/${PN}.cabal by default)
548# depends
549#
550# Accepts argument list as pairs of substitutions: <from-string> <to-string>...
551#
552# Dies on error.
553#
554# Usage examples:
555#
556# src_prepare() {
557# cabal_chdeps \
558# 'base >= 4.2 && < 4.6' 'base >= 4.2 && < 4.7' \
559# 'containers ==0.4.*' 'containers >= 0.4 && < 0.6'
560#}
561# or
562# src_prepare() {
563# CABAL_FILE=${S}/${MY_PN}.cabal cabal_chdeps \
564# 'base >= 4.2 && < 4.6' 'base >= 4.2 && < 4.7'
565# CABAL_FILE=${S}/${MY_PN}-tools.cabal cabal_chdeps \
566# 'base == 3.*' 'base >= 4.2 && < 4.7'
567#}
568#
569cabal_chdeps() {
570 local cf=${CABAL_FILE:-${S}/${PN}.cabal}
571 local from_ss # ss - substring
572 local to_ss
573 local orig_c # c - contents
574 local new_c
575
576 [[ -f $cf ]] || die "cabal file '$cf' does not exist"
577
578 orig_c=$(< "$cf")
579
580 while :; do
581 from_pat=$1
582 to_str=$2
583 einfo "CHDEP: '${from_pat}' -> '${to_str}'"
584
585 [[ -n ${from_pat} ]] || break
586 [[ -n ${to_str} ]] || die "'${from_str}' does not have 'to' part"
587
588 # escape pattern-like symbols
589 from_pat=${from_pat//\*/\\*}
590 from_pat=${from_pat//\[/\\[}
591
592 new_c=${orig_c//${from_pat}/${to_str}}
593
594 if [[ -n $CABAL_DEBUG_LOOSENING ]]; then
595 echo "${orig_c}" >"${T}/${cf}".pre
596 echo "${new_c}" >"${T}/${cf}".post
597 diff -u "${T}/${cf}".{pre,post}
598 fi
599
600 [[ "${orig_c}" == "${new_c}" ]] && die "no trigger for '${from_ss}'"
601 orig_c=${new_c}
602 shift
603 shift
604 done
605
606 echo "${new_c}" > "$cf" ||
607 die "failed to update"
608}

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