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Revision 1.16 Revision 1.49
1# Copyright 1999-2006 Gentoo Foundation 1# Copyright 1999-2015 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 1.16 2009/09/09 18:40:11 kolmodin Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/haskell-cabal.eclass,v 1.49 2015/03/15 17:03:27 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# ghcdeps -- constraint dependency on package to ghc onces
33# Dependencies on other cabal packages have to be specified 35# only used for packages that use libghc internally and _must_
34# correctly. 36# not pull upper versions
35# 37# test-suite -- add support for cabal test-suites (introduced in Cabal-1.8)
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 38
46inherit ghc-package multilib 39inherit eutils ghc-package multilib multiprocessing
47 40
41# @ECLASS-VARIABLE: CABAL_EXTRA_CONFIGURE_FLAGS
42# @DESCRIPTION:
43# User-specified additional parameters passed to 'setup configure'.
44# example: /etc/portage/make.conf:
45# CABAL_EXTRA_CONFIGURE_FLAGS="--enable-shared --enable-executable-dynamic"
46: ${CABAL_EXTRA_CONFIGURE_FLAGS:=}
47
48# @ECLASS-VARIABLE: CABAL_EXTRA_BUILD_FLAGS
49# @DESCRIPTION:
50# User-specified additional parameters passed to 'setup build'.
51# example: /etc/portage/make.conf: CABAL_EXTRA_BUILD_FLAGS=-v
52: ${CABAL_EXTRA_BUILD_FLAGS:=}
53
54# @ECLASS-VARIABLE: GHC_BOOTSTRAP_FLAGS
55# @DESCRIPTION:
56# User-specified additional parameters for ghc when building
57# _only_ 'setup' binary bootstrap.
58# example: /etc/portage/make.conf: GHC_BOOTSTRAP_FLAGS=-dynamic to make
59# linking 'setup' faster.
60: ${GHC_BOOTSTRAP_FLAGS:=}
61
62# @ECLASS-VARIABLE: CABAL_DEBUG_LOOSENING
63# @DESCRIPTION:
64# Show debug output for 'cabal_chdeps' function if set.
65# Needs working 'diff'.
66: ${CABAL_DEBUG_LOOSENING:=}
67
68HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install pkg_postinst pkg_postrm"
69
70# 'dev-haskell/cabal' passes those options with ./configure-based
71# configuration, but most packages don't need/don't accept it:
72# #515362, #515362
73QA_CONFIGURE_OPTIONS+=" --with-compiler --with-hc --with-hc-pkg --with-gcc"
74
75case "${EAPI:-0}" in
76 2|3|4|5) HASKELL_CABAL_EXPF+=" src_configure" ;;
77 *) ;;
78esac
79
80EXPORT_FUNCTIONS ${HASKELL_CABAL_EXPF}
48 81
49for feature in ${CABAL_FEATURES}; do 82for feature in ${CABAL_FEATURES}; do
50 case ${feature} in 83 case ${feature} in
51 haddock) CABAL_USE_HADDOCK=yes;; 84 haddock) CABAL_USE_HADDOCK=yes;;
85 hscolour) CABAL_USE_HSCOLOUR=yes;;
86 hoogle) CABAL_USE_HOOGLE=yes;;
52 alex) CABAL_USE_ALEX=yes;; 87 alex) CABAL_USE_ALEX=yes;;
53 happy) CABAL_USE_HAPPY=yes;; 88 happy) CABAL_USE_HAPPY=yes;;
54 c2hs) CABAL_USE_C2HS=yes;; 89 c2hs) CABAL_USE_C2HS=yes;;
55 cpphs) CABAL_USE_CPPHS=yes;; 90 cpphs) CABAL_USE_CPPHS=yes;;
56 profile) CABAL_USE_PROFILE=yes;; 91 profile) CABAL_USE_PROFILE=yes;;
57 bootstrap) CABAL_BOOTSTRAP=yes;; 92 bootstrap) CABAL_BOOTSTRAP=yes;;
58 bin) CABAL_HAS_BINARIES=yes;; 93 bin) CABAL_HAS_BINARIES=yes;;
59 lib) CABAL_HAS_LIBRARIES=yes;; 94 lib) CABAL_HAS_LIBRARIES=yes;;
60 nocabaldep) CABAL_FROM_GHC=yes;; 95 nocabaldep) CABAL_FROM_GHC=yes;;
96 ghcdeps) CABAL_GHC_CONSTRAINT=yes;;
97 test-suite) CABAL_TEST_SUITE=yes;;
61 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";; 98 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";;
62 esac 99 esac
63done 100done
64 101
65if [[ -n "${CABAL_USE_HADDOCK}" ]]; then 102if [[ -n "${CABAL_USE_HADDOCK}" ]]; then
66 IUSE="${IUSE} doc" 103 IUSE="${IUSE} doc"
104 # don't require depend on itself to build docs.
105 # ebuild bootstraps docs from just built binary
106 [[ ${CATEGORY}/${PN} = "dev-haskell/haddock" ]] || DEPEND="${DEPEND} doc? ( dev-haskell/haddock )"
107fi
108
109if [[ -n "${CABAL_USE_HSCOLOUR}" ]]; then
110 IUSE="${IUSE} hscolour"
67 DEPEND="${DEPEND} doc? ( dev-haskell/haddock )" 111 DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )"
112fi
113
114if [[ -n "${CABAL_USE_HOOGLE}" ]]; then
115 # enabled only in ::haskell
116 CABAL_USE_HOOGLE=
68fi 117fi
69 118
70if [[ -n "${CABAL_USE_ALEX}" ]]; then 119if [[ -n "${CABAL_USE_ALEX}" ]]; then
71 DEPEND="${DEPEND} dev-haskell/alex" 120 DEPEND="${DEPEND} dev-haskell/alex"
72 cabalconf="${cabalconf} --with-alex=/usr/bin/alex"
73fi 121fi
74 122
75if [[ -n "${CABAL_USE_HAPPY}" ]]; then 123if [[ -n "${CABAL_USE_HAPPY}" ]]; then
76 DEPEND="${DEPEND} dev-haskell/happy" 124 DEPEND="${DEPEND} dev-haskell/happy"
77 cabalconf="${cabalconf} --with-happy=/usr/bin/happy"
78fi 125fi
79 126
80if [[ -n "${CABAL_USE_C2HS}" ]]; then 127if [[ -n "${CABAL_USE_C2HS}" ]]; then
81 DEPEND="${DEPEND} dev-haskell/c2hs" 128 DEPEND="${DEPEND} dev-haskell/c2hs"
82 cabalconf="${cabalconf} --with-c2hs=/usr/bin/c2hs"
83fi 129fi
84 130
85if [[ -n "${CABAL_USE_CPPHS}" ]]; then 131if [[ -n "${CABAL_USE_CPPHS}" ]]; then
86 DEPEND="${DEPEND} dev-haskell/cpphs" 132 DEPEND="${DEPEND} dev-haskell/cpphs"
87 cabalconf="${cabalconf} --with-cpphs=/usr/bin/cpphs"
88fi 133fi
89 134
90if [[ -n "${CABAL_USE_PROFILE}" ]]; then 135if [[ -n "${CABAL_USE_PROFILE}" ]]; then
91 IUSE="${IUSE} profile" 136 IUSE="${IUSE} profile"
137fi
138
139if [[ -n "${CABAL_TEST_SUITE}" ]]; then
140 IUSE="${IUSE} test"
92fi 141fi
93 142
94# We always use a standalone version of Cabal, rather than the one that comes 143# We always use a standalone version of Cabal, rather than the one that comes
95# with GHC. But of course we can't depend on cabal when building cabal itself. 144# with GHC. But of course we can't depend on cabal when building cabal itself.
96if [[ -z ${CABAL_MIN_VERSION} ]]; then 145if [[ -z ${CABAL_MIN_VERSION} ]]; then
98fi 147fi
99if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]]; then 148if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]]; then
100 DEPEND="${DEPEND} >=dev-haskell/cabal-${CABAL_MIN_VERSION}" 149 DEPEND="${DEPEND} >=dev-haskell/cabal-${CABAL_MIN_VERSION}"
101fi 150fi
102 151
103# Libraries require GHC to be installed.
104if [[ -n "${CABAL_HAS_LIBRARIES}" ]]; then
105 RDEPEND="${RDEPEND} dev-lang/ghc"
106fi
107
108# returns the version of cabal currently in use 152# returns the version of cabal currently in use.
153# Rarely it's handy to pin cabal version from outside.
109_CABAL_VERSION_CACHE="" 154: ${_CABAL_VERSION_CACHE:=""}
110cabal-version() { 155cabal-version() {
111 if [[ -z "${_CABAL_VERSION_CACHE}" ]]; then 156 if [[ -z "${_CABAL_VERSION_CACHE}" ]]; then
112 if [[ "${CABAL_BOOTSTRAP}" ]]; then 157 if [[ "${CABAL_BOOTSTRAP}" ]]; then
113 # We're bootstrapping cabal, so the cabal version is the version 158 # We're bootstrapping cabal, so the cabal version is the version
114 # of this package itself. 159 # of this package itself.
115 _CABAL_VERSION_CACHE="${PV}" 160 _CABAL_VERSION_CACHE="${PV}"
161 elif [[ "${CABAL_FROM_GHC}" ]]; then
162 _CABAL_VERSION_CACHE="$(ghc-cabal-version)"
116 else 163 else
117 # We ask portage, not ghc, so that we only pick up 164 # We ask portage, not ghc, so that we only pick up
118 # portage-installed cabal versions. 165 # portage-installed cabal versions.
119 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)" 166 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)"
120 fi 167 fi
125cabal-bootstrap() { 172cabal-bootstrap() {
126 local setupmodule 173 local setupmodule
127 local cabalpackage 174 local cabalpackage
128 if [[ -f "${S}/Setup.lhs" ]]; then 175 if [[ -f "${S}/Setup.lhs" ]]; then
129 setupmodule="${S}/Setup.lhs" 176 setupmodule="${S}/Setup.lhs"
177 elif [[ -f "${S}/Setup.hs" ]]; then
178 setupmodule="${S}/Setup.hs"
130 else 179 else
131 if [[ -f "${S}/Setup.hs" ]]; then
132 setupmodule="${S}/Setup.hs"
133 else
134 die "No Setup.lhs or Setup.hs found" 180 die "No Setup.lhs or Setup.hs found"
135 fi 181 fi
182
183 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
184 eerror "The package dev-haskell/cabal is not correctly installed for"
185 eerror "the currently active version of ghc ($(ghc-version)). Please"
186 eerror "run haskell-updater or re-build dev-haskell/cabal."
187 die "cabal is not correctly installed"
136 fi 188 fi
137 189
138 # We build the setup program using the latest version of 190 # We build the setup program using the latest version of
139 # cabal that we have installed 191 # cabal that we have installed
140 if version_is_at_least "6.4" "$(ghc-version)"; then
141 cabalpackage=Cabal-$(cabal-version) 192 cabalpackage=Cabal-$(cabal-version)
193 einfo "Using cabal-$(cabal-version)."
194
195 make_setup() {
196 set -- -package "${cabalpackage}" --make "${setupmodule}" \
197 ${HCFLAGS} \
198 ${GHC_BOOTSTRAP_FLAGS} \
199 "$@" \
200 -o setup
201 echo $(ghc-getghc) "$@"
202 $(ghc-getghc) "$@"
203 }
204 if $(ghc-supports-shared-libraries); then
205 # # some custom build systems might use external libraries,
206 # # for which we don't have shared libs, so keep static fallback
207 # bug #411789, http://hackage.haskell.org/trac/ghc/ticket/5743#comment:3
208 # http://hackage.haskell.org/trac/ghc/ticket/7062
209 # http://hackage.haskell.org/trac/ghc/ticket/3072
210 # ghc does not set RPATH for extralibs, thus we do it ourselves by hands
211 einfo "Prepending $(ghc-libdir) to LD_LIBRARY_PATH"
212 if [[ ${CHOST} != *-darwin* ]]; then
213 LD_LIBRARY_PATH="$(ghc-libdir)${LD_LIBRARY_PATH:+:}${LD_LIBRARY_PATH}"
214 export LD_LIBRARY_PATH
215 else
216 DYLD_LIBRARY_PATH="$(ghc-libdir)${DYLD_LIBRARY_PATH:+:}${DYLD_LIBRARY_PATH}"
217 export DYLD_LIBRARY_PATH
218 fi
219 { make_setup -dynamic "$@" && ./setup --help >/dev/null; } ||
220 make_setup "$@" || die "compiling ${setupmodule} failed"
142 else 221 else
143 # older ghc's don't support package versioning
144 cabalpackage=Cabal
145 fi
146 einfo "Using cabal-$(cabal-version)."
147 $(ghc-getghc) -package "${cabalpackage}" --make "${setupmodule}" -o setup \
148 || die "compiling ${setupmodule} failed" 222 make_setup "$@" || die "compiling ${setupmodule} failed"
223 fi
149} 224}
150 225
151cabal-mksetup() { 226cabal-mksetup() {
152 local setupdir 227 local setupdir=${1:-${S}}
228 local setup_src=${setupdir}/Setup.hs
153 229
154 if [[ -n $1 ]]; then
155 setupdir=$1
156 else
157 setupdir=${S}
158 fi
159
160 rm -f "${setupdir}"/Setup.{lhs,hs} 230 rm -vf "${setupdir}"/Setup.{lhs,hs}
231 elog "Creating 'Setup.hs' for 'Simple' build type."
161 232
162 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \ 233 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \
163 > $setupdir/Setup.hs 234 > "${setup_src}" || die "failed to create default Setup.hs"
235}
236
237cabal-hscolour() {
238 set -- hscolour "$@"
239 echo ./setup "$@"
240 ./setup "$@" || die "setup hscolour failed"
164} 241}
165 242
166cabal-haddock() { 243cabal-haddock() {
167 ./setup haddock || die "setup haddock failed" 244 set -- haddock "$@"
245 echo ./setup "$@"
246 ./setup "$@" || die "setup haddock failed"
247}
248
249cabal-hoogle() {
250 ewarn "hoogle USE flag requires doc USE flag, building without hoogle"
251}
252
253cabal-hscolour-haddock() {
254 # --hyperlink-source implies calling 'setup hscolour'
255 set -- haddock --hyperlink-source
256 echo ./setup "$@"
257 ./setup "$@" --hyperlink-source || die "setup haddock --hyperlink-source failed"
258}
259
260cabal-hoogle-haddock() {
261 set -- haddock --hoogle
262 echo ./setup "$@"
263 ./setup "$@" || die "setup haddock --hoogle failed"
264}
265
266cabal-hoogle-hscolour-haddock() {
267 cabal-hscolour-haddock
268 cabal-hoogle-haddock
269}
270
271cabal-hoogle-hscolour() {
272 ewarn "hoogle USE flag requires doc USE flag, building without hoogle"
273 cabal-hscolour
274}
275
276cabal-die-if-nonempty() {
277 local breakage_type=$1
278 shift
279
280 [[ "${#@}" == 0 ]] && return 0
281 eerror "Detected ${breakage_type} packages: ${@}"
282 die "//==-- Please, run 'haskell-updater' to fix ${breakage_type} packages --==//"
283}
284
285cabal-show-brokens() {
286 elog "ghc-pkg check: 'checking for other broken packages:'"
287 # pretty-printer
288 $(ghc-getghcpkg) check 2>&1 \
289 | egrep -v '^Warning: haddock-(html|interfaces): ' \
290 | egrep -v '^Warning: include-dirs: ' \
291 | head -n 20
292
293 cabal-die-if-nonempty 'broken' \
294 $($(ghc-getghcpkg) check --simple-output)
295}
296
297cabal-show-old() {
298 cabal-die-if-nonempty 'outdated' \
299 $("${EPREFIX}"/usr/sbin/haskell-updater --quiet --upgrade --list-only)
300}
301
302cabal-show-brokens-and-die() {
303 cabal-show-brokens
304 cabal-show-old
305
306 die "$@"
168} 307}
169 308
170cabal-configure() { 309cabal-configure() {
310 local cabalconf=()
311 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
312
171 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 313 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
172 cabalconf="${cabalconf} --with-haddock=/usr/bin/haddock" 314 cabalconf+=(--with-haddock=${EPREFIX}/usr/bin/haddock)
173 fi 315 fi
174 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then 316 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then
175 cabalconf="${cabalconf} --enable-library-profiling" 317 cabalconf+=(--enable-library-profiling)
176 fi 318 fi
319 if [[ -n "${CABAL_USE_ALEX}" ]]; then
320 cabalconf+=(--with-alex=${EPREFIX}/usr/bin/alex)
321 fi
322
323 if [[ -n "${CABAL_USE_HAPPY}" ]]; then
324 cabalconf+=(--with-happy=${EPREFIX}/usr/bin/happy)
325 fi
326
327 if [[ -n "${CABAL_USE_C2HS}" ]]; then
328 cabalconf+=(--with-c2hs=${EPREFIX}/usr/bin/c2hs)
329 fi
330 if [[ -n "${CABAL_USE_CPPHS}" ]]; then
331 cabalconf+=(--with-cpphs=${EPREFIX}/usr/bin/cpphs)
332 fi
333 if [[ -n "${CABAL_TEST_SUITE}" ]]; then
334 cabalconf+=($(use_enable test tests))
335 fi
336
337 if [[ -n "${CABAL_GHC_CONSTRAINT}" ]]; then
338 cabalconf+=($(cabal-constraint "ghc"))
339 fi
340
341 local option
342 for option in ${HCFLAGS}
343 do
344 cabalconf+=(--ghc-option="$option")
345 done
346
347 # parallel on all available cores
348 if ghc-supports-parallel-make; then
349 local max_jobs=$(makeopts_jobs)
350
351 # limit to very small value, as parallelism
352 # helps slightly, but makes things severely worse
353 # when amount of threads is Very Large.
354 [[ ${max_jobs} -gt 4 ]] && max_jobs=4
355
356 cabalconf+=(--ghc-option=-j"$max_jobs")
357 fi
358
177 # Building GHCi libs on ppc64 causes "TOC overflow". 359 # Building GHCi libs on ppc64 causes "TOC overflow".
178 if use ppc64; then 360 if use ppc64; then
179 cabalconf="${cabalconf} --disable-library-for-ghci" 361 cabalconf+=(--disable-library-for-ghci)
180 fi 362 fi
181 363
182 if version_is_at_least "1.2.0" "$(cabal-version)"; then 364 # currently cabal does not respect CFLAGS and LDFLAGS on it's own (bug #333217)
183 cabalconf="${cabalconf} --docdir=/usr/share/doc/${PF}" 365 # so translate LDFLAGS to ghc parameters (without filtering)
366 local flag
367 for flag in $CFLAGS; do cabalconf+=(--ghc-option="-optc$flag"); done
368 for flag in $LDFLAGS; do cabalconf+=(--ghc-option="-optl$flag"); done
369
370 # disable executable stripping for the executables, as portage will
371 # strip by itself, and pre-stripping gives a QA warning.
372 # cabal versions previous to 1.4 does not strip executables, and does
373 # not accept the flag.
374 # this fixes numerous bugs, amongst them;
375 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494
376 cabalconf+=(--disable-executable-stripping)
377
378 cabalconf+=(--docdir="${EPREFIX}"/usr/share/doc/${PF})
184 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes 379 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes
185 # it's better if the configure chatter is in the build logs: 380 # it's better if the configure chatter is in the build logs:
186 cabalconf="${cabalconf} --verbose" 381 cabalconf+=(--verbose)
382
383 # We build shared version of our Cabal where ghc ships it's shared
384 # version of it. We will link ./setup as dynamic binary againt Cabal later.
385 [[ ${CATEGORY}/${PN} == "dev-haskell/cabal" ]] && \
386 $(ghc-supports-shared-libraries) && \
387 cabalconf+=(--enable-shared)
388
389 if $(ghc-supports-shared-libraries); then
390 # maybe a bit lower
391 if $(ghc-supports-dynamic-by-default); then
392 cabalconf+=(--enable-shared)
187 fi 393 fi
188 # Note: with Cabal-1.1.6.x we do not have enough control 394 fi
189 # to put the docs into the right place. They're currently going
190 # into /usr/share/${P}/ghc-x.y/doc/
191 # rather than /usr/share/doc/${PF}/
192 # Because we can only set the datadir, not the docdir.
193 395
396 # --sysconfdir appeared in Cabal-1.18+
397 if ./setup configure --help | grep -q -- --sysconfdir; then
398 cabalconf+=(--sysconfdir="${EPREFIX}"/etc)
399 fi
400
401 # appeared in Cabal-1.18+ (see '--disable-executable-stripping')
402 if ./setup configure --help | grep -q -- --disable-library-stripping; then
403 cabalconf+=(--disable-library-stripping)
404 fi
405
194 ./setup configure \ 406 set -- configure \
195 --ghc --prefix=/usr \ 407 --ghc --prefix="${EPREFIX}"/usr \
196 --with-compiler="$(ghc-getghc)" \ 408 --with-compiler="$(ghc-getghc)" \
197 --with-hc-pkg="$(ghc-getghcpkg)" \ 409 --with-hc-pkg="$(ghc-getghcpkg)" \
198 --prefix=/usr \ 410 --prefix="${EPREFIX}"/usr \
199 --libdir=/usr/$(get_libdir) \ 411 --libdir="${EPREFIX}"/usr/$(get_libdir) \
200 --libsubdir=${P}/ghc-$(ghc-version) \ 412 --libsubdir=${P}/ghc-$(ghc-version) \
201 --datadir=/usr/share/ \ 413 --datadir="${EPREFIX}"/usr/share/ \
202 --datasubdir=${P}/ghc-$(ghc-version) \ 414 --datasubdir=${P}/ghc-$(ghc-version) \
203 ${cabalconf} \ 415 "${cabalconf[@]}" \
204 ${CABAL_CONFIGURE_FLAGS} \ 416 ${CABAL_CONFIGURE_FLAGS} \
205 "$@" || die "setup configure failed" 417 ${CABAL_EXTRA_CONFIGURE_FLAGS} \
418 "$@"
419 echo ./setup "$@"
420 ./setup "$@" || cabal-show-brokens-and-die "setup configure failed"
206} 421}
207 422
208cabal-build() { 423cabal-build() {
209 unset LANG LC_ALL LC_MESSAGES 424 set -- build ${CABAL_EXTRA_BUILD_FLAGS} "$@"
210 ./setup build \ 425 echo ./setup "$@"
426 ./setup "$@" \
211 || die "setup build failed" 427 || die "setup build failed"
212} 428}
213 429
214cabal-copy() { 430cabal-copy() {
215 ./setup copy \ 431 has "${EAPI:-0}" 0 1 2 && ! use prefix && ED=${D}
216 --destdir="${D}" \ 432
433 set -- copy --destdir="${D}" "$@"
434 echo ./setup "$@"
217 || die "setup copy failed" 435 ./setup "$@" || die "setup copy failed"
218 436
219 # cabal is a bit eager about creating dirs, 437 # cabal is a bit eager about creating dirs,
220 # so remove them if they are empty 438 # so remove them if they are empty
221 rmdir "${D}/usr/bin" 2> /dev/null 439 rmdir "${ED}/usr/bin" 2> /dev/null
222
223 # GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has
224 # no workaround.
225 # set the +x permission on executables
226 if [[ -d "${D}/usr/bin" ]] ; then
227 chmod +x "${D}/usr/bin/"*
228 fi
229 # TODO: do we still need this?
230} 440}
231 441
232cabal-pkg() { 442cabal-pkg() {
233 # This does not actually register since we're using true instead 443 # This does not actually register since we're using true instead
234 # of ghc-pkg. So it just leaves the .installed-pkg-config and we can 444 # of ghc-pkg. So it just leaves the .conf file and we can
235 # register that ourselves (if it exists). 445 # register that ourselves (if it exists).
236 local result
237 local err
238 446
239 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then 447 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then
240 if version_is_at_least "1.2.0" "$(cabal-version)"; then
241 # Newer cabal can generate a package conf for us: 448 # Newer cabal can generate a package conf for us:
242 ./setup register --gen-pkg-config="${T}/${P}.conf" 449 ./setup register --gen-pkg-config="${T}/${P}.conf"
243 ghc-setup-pkg "${T}/${P}.conf" 450 ghc-install-pkg "${T}/${P}.conf"
244 ghc-install-pkg
245 else
246 # With older cabal we have to hack it by replacing its ghc-pkg
247 # with true and then just picking up the .installed-pkg-config
248 # file and registering that ourselves (if it exists).
249 sed -i "s|$(ghc-getghcpkg)|$(type -P true)|" .setup-config
250 ./setup register || die "setup register failed"
251 if [[ -f .installed-pkg-config ]]; then
252 ghc-setup-pkg .installed-pkg-config
253 ghc-install-pkg
254 else
255 die "setup register has not generated a package configuration file"
256 fi
257 fi
258 fi 451 fi
259} 452}
260 453
261# Some cabal libs are bundled along with some versions of ghc 454# Some cabal libs are bundled along with some versions of ghc
262# eg filepath-1.0 comes with ghc-6.6.1 455# eg filepath-1.0 comes with ghc-6.6.1
264# when building with this version of ghc, the ebuild is a dummy that is it will 457# when building with this version of ghc, the ebuild is a dummy that is it will
265# install no files since the package is already included with ghc. 458# install no files since the package is already included with ghc.
266# However portage still records the dependency and we can upgrade the package 459# However portage still records the dependency and we can upgrade the package
267# to a later one that's not included with ghc. 460# to a later one that's not included with ghc.
268# You can also put a space separated list, eg CABAL_CORE_LIB_GHC_PV="6.6 6.6.1". 461# You can also put a space separated list, eg CABAL_CORE_LIB_GHC_PV="6.6 6.6.1".
462# Those versions are taken as-is from ghc `--numeric-version`.
463# Package manager versions are also supported:
464# CABAL_CORE_LIB_GHC_PV="7.10.* PM:7.8.4-r1".
269cabal-is-dummy-lib() { 465cabal-is-dummy-lib() {
466 local bin_ghc_version=$(ghc-version)
467 local pm_ghc_p=$(best_version dev-lang/ghc)
468 local pm_ghc_version version
469
470 pm_ghc_version=PM:${pm_ghc_p#dev-lang/ghc-}
471
270 for version in ${CABAL_CORE_LIB_GHC_PV[*]}; do 472 for version in ${CABAL_CORE_LIB_GHC_PV[*]}; do
271 [[ "$(ghc-version)" == "$version" ]] && return 0 473 [[ "${bin_ghc_version}" == ${version} ]] && return 0
474 [[ "${pm_ghc_version}" == ${version} ]] && return 0
272 done 475 done
476
273 return 1 477 return 1
274} 478}
275 479
276# exported function: check if cabal is correctly installed for 480# exported function: check if cabal is correctly installed for
277# the currently active ghc (we cannot guarantee this with portage) 481# the currently active ghc (we cannot guarantee this with portage)
278haskell-cabal_pkg_setup() { 482haskell-cabal_pkg_setup() {
279 ghc-package_pkg_setup 483 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then
280 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then 484 [[ ${RDEPEND} == *dev-lang/ghc* ]] || eqawarn "QA Notice: A library does not have runtime dependency on dev-lang/ghc."
281 eerror "The package dev-haskell/cabal is not correctly installed for"
282 eerror "the currently active version of ghc ($(ghc-version)). Please"
283 eerror "run ghc-updater or haskell-updater or re-build dev-haskell/cabal."
284 die "cabal is not correctly installed"
285 fi 485 fi
286 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then 486 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then
287 eerror "QA: Neither bin nor lib are in CABAL_FEATURES." 487 eqawarn "QA Notice: Neither bin nor lib are in CABAL_FEATURES."
288 fi 488 fi
289 if [[ -n "${CABAL_UNKNOWN}" ]]; then 489 if [[ -n "${CABAL_UNKNOWN}" ]]; then
290 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}" 490 eqawarn "QA Notice: Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}"
291 fi 491 fi
292 if cabal-is-dummy-lib; then 492 if cabal-is-dummy-lib; then
293 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install." 493 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
294 fi 494 fi
295} 495}
296 496
497haskell-cabal_src_configure() {
498 cabal-is-dummy-lib && return
499
500 pushd "${S}" > /dev/null
501
502 cabal-bootstrap
503
504 cabal-configure "$@"
505
506 popd > /dev/null
507}
508
509# exported function: nice alias
510cabal_src_configure() {
511 haskell-cabal_src_configure "$@"
512}
513
297# exported function: cabal-style bootstrap configure and compile 514# exported function: cabal-style bootstrap configure and compile
298cabal_src_compile() { 515cabal_src_compile() {
299 if ! cabal-is-dummy-lib; then 516 # it's a common mistake when one bumps ebuild to EAPI="2" (and upper)
300 cabal-bootstrap 517 # and forgets to separate src_compile() to src_configure()/src_compile().
301 cabal-configure 518 # Such error leads to default src_configure and we lose all passed flags.
519 if ! has "${EAPI:-0}" 0 1; then
520 local passed_flag
521 for passed_flag in "$@"; do
522 [[ ${passed_flag} == --flags=* ]] && \
523 eqawarn "QA Notice: Cabal option '${passed_flag}' has effect only in src_configure()"
524 done
525 fi
526
527 cabal-is-dummy-lib && return
528
529 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
302 cabal-build 530 cabal-build
303 531
304 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 532 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
533 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
534 if [[ -n "${CABAL_USE_HOOGLE}" ]] && use hoogle; then
535 # hoogle, hscolour and haddock
536 cabal-hoogle-hscolour-haddock
537 else
538 # haddock and hscolour
539 cabal-hscolour-haddock
540 fi
541 else
542 if [[ -n "${CABAL_USE_HOOGLE}" ]] && use hoogle; then
543 # hoogle and haddock
544 cabal-hoogle-haddock
545 else
546 # just haddock
305 cabal-haddock 547 cabal-haddock
548 fi
306 fi 549 fi
550 else
551 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
552 if [[ -n "${CABAL_USE_HOOGLE}" ]] && use hoogle; then
553 # hoogle and hscolour
554 cabal-hoogle-hscolour
555 else
556 # just hscolour
557 cabal-hscolour
558 fi
559 else
560 if [[ -n "${CABAL_USE_HOOGLE}" ]] && use hoogle; then
561 # just hoogle
562 cabal-hoogle
563 fi
564 fi
307 fi 565 fi
308} 566}
309 567
310haskell-cabal_src_compile() { 568haskell-cabal_src_compile() {
569 pushd "${S}" > /dev/null
570
311 cabal_src_compile 571 cabal_src_compile "$@"
572
573 popd > /dev/null
574}
575
576haskell-cabal_src_test() {
577 pushd "${S}" > /dev/null
578
579 if cabal-is-dummy-lib; then
580 einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}"
581 else
582 einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}"
583 set -- test "$@"
584 echo ./setup "$@"
585 ./setup "$@" || die "cabal test failed"
586 fi
587
588 popd > /dev/null
312} 589}
313 590
314# exported function: cabal-style copy and register 591# exported function: cabal-style copy and register
315cabal_src_install() { 592cabal_src_install() {
593 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
594
316 if cabal-is-dummy-lib; then 595 if ! cabal-is-dummy-lib; then
317 # create a dummy local package conf file for the sake of ghc-updater
318 dodir "$(ghc-confdir)"
319 echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
320 else
321 cabal-copy 596 cabal-copy
322 cabal-pkg 597 cabal-pkg
323
324 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
325 if ! version_is_at_least "1.1.6" "$(cabal-version)"; then
326 dohtml -r dist/doc/html/*
327 fi 598 fi
599
600 # create a dummy local package conf file for haskell-updater
601 # if it does not exist (dummy libraries and binaries w/o libraries)
602 local ghc_confdir_with_prefix="$(ghc-confdir)"
603 # remove EPREFIX
604 dodir ${ghc_confdir_with_prefix#${EPREFIX}}
605 local hint_db="${D}/$(ghc-confdir)"
606 local hint_file="${hint_db}/${PF}.conf"
607 mkdir -p "${hint_db}" || die
608 touch "${hint_file}" || die
609}
610
611haskell-cabal_src_install() {
612 pushd "${S}" > /dev/null
613
614 cabal_src_install
615
616 popd > /dev/null
617}
618
619haskell-cabal_pkg_postinst() {
620 ghc-package_pkg_postinst
621}
622
623haskell-cabal_pkg_postrm() {
624 ghc-package_pkg_postrm
625}
626
627# @FUNCTION: cabal_flag
628# @DESCRIPTION:
629# ebuild.sh:use_enable() taken as base
630#
631# Usage examples:
632#
633# CABAL_CONFIGURE_FLAGS=$(cabal_flag gui)
634# leads to "--flags=gui" or "--flags=-gui" (useflag 'gui')
635#
636# CABAL_CONFIGURE_FLAGS=$(cabal_flag gtk gui)
637# also leads to "--flags=gui" or " --flags=-gui" (useflag 'gtk')
638#
639cabal_flag() {
640 if [[ -z "$1" ]]; then
641 echo "!!! cabal_flag() called without a parameter." >&2
642 echo "!!! cabal_flag() <USEFLAG> [<cabal_flagname>]" >&2
643 return 1
644 fi
645
646 local UWORD=${2:-$1}
647
648 if use "$1"; then
649 echo "--flags=${UWORD}"
650 else
651 echo "--flags=-${UWORD}"
652 fi
653
654 return 0
655}
656
657# @FUNCTION: cabal_chdeps
658# @DESCRIPTION:
659# Allows easier patching of $CABAL_FILE (${S}/${PN}.cabal by default)
660# depends
661#
662# Accepts argument list as pairs of substitutions: <from-string> <to-string>...
663#
664# Dies on error.
665#
666# Usage examples:
667#
668# src_prepare() {
669# cabal_chdeps \
670# 'base >= 4.2 && < 4.6' 'base >= 4.2 && < 4.7' \
671# 'containers ==0.4.*' 'containers >= 0.4 && < 0.6'
672#}
673# or
674# src_prepare() {
675# CABAL_FILE=${S}/${MY_PN}.cabal cabal_chdeps \
676# 'base >= 4.2 && < 4.6' 'base >= 4.2 && < 4.7'
677# CABAL_FILE=${S}/${MY_PN}-tools.cabal cabal_chdeps \
678# 'base == 3.*' 'base >= 4.2 && < 4.7'
679#}
680#
681cabal_chdeps() {
682 local cabal_fn=${MY_PN:-${PN}}.cabal
683 local cf=${CABAL_FILE:-${S}/${cabal_fn}}
684 local from_ss # ss - substring
685 local to_ss
686 local orig_c # c - contents
687 local new_c
688
689 [[ -f $cf ]] || die "cabal file '$cf' does not exist"
690
691 orig_c=$(< "$cf")
692
693 while :; do
694 from_pat=$1
695 to_str=$2
696
697 [[ -n ${from_pat} ]] || break
698 [[ -n ${to_str} ]] || die "'${from_str}' does not have 'to' part"
699
700 einfo "CHDEP: '${from_pat}' -> '${to_str}'"
701
702 # escape pattern-like symbols
703 from_pat=${from_pat//\*/\\*}
704 from_pat=${from_pat//\[/\\[}
705
706 new_c=${orig_c//${from_pat}/${to_str}}
707
708 if [[ -n $CABAL_DEBUG_LOOSENING ]]; then
709 echo "${orig_c}" >"${T}/${cf}".pre
710 echo "${new_c}" >"${T}/${cf}".post
711 diff -u "${T}/${cf}".{pre,post}
328 fi 712 fi
713
714 [[ "${orig_c}" == "${new_c}" ]] && die "no trigger for '${from_pat}'"
715 orig_c=${new_c}
716 shift
717 shift
718 done
719
720 echo "${new_c}" > "$cf" ||
721 die "failed to update"
722}
723
724# @FUNCTION: cabal-constraint
725# @DESCRIPTION:
726# Allowes to set contraint to the libraries that are
727# used by specified package
728cabal-constraint() {
729 while read p v ; do
730 echo "--constraint \"$p == $v\""
731 done < $(ghc-pkgdeps ${1})
732}
733
734# @FUNCTION: replace-hcflags
735# @USAGE: <old> <new>
736# @DESCRIPTION:
737# Replace the <old> flag with <new> in HCFLAGS. Accepts shell globs for <old>.
738# The implementation is picked from flag-o-matic.eclass:replace-flags()
739replace-hcflags() {
740 [[ $# != 2 ]] && die "Usage: replace-hcflags <old flag> <new flag>"
741
742 local f new=()
743 for f in ${HCFLAGS} ; do
744 # Note this should work with globs like -O*
745 if [[ ${f} == ${1} ]]; then
746 einfo "HCFLAGS: replacing '${f}' to '${2}'"
747 f=${2}
329 fi 748 fi
330} 749 new+=( "${f}" )
331haskell-cabal_src_install() { 750 done
332 cabal_src_install 751 export HCFLAGS="${new[*]}"
333}
334 752
335EXPORT_FUNCTIONS pkg_setup src_compile src_install 753 return 0
754}

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