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Revision 1.16 Revision 1.48
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 1.48 2015/01/02 09:35:02 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: CABAL_EXTRA_CONFIGURE_FLAGS=--enable-shared
45: ${CABAL_EXTRA_CONFIGURE_FLAGS:=}
46
47# @ECLASS-VARIABLE: CABAL_EXTRA_BUILD_FLAGS
48# @DESCRIPTION:
49# User-specified additional parameters passed to 'setup build'.
50# example: /etc/portage/make.conf: CABAL_EXTRA_BUILD_FLAGS=-v
51: ${CABAL_EXTRA_BUILD_FLAGS:=}
52
53# @ECLASS-VARIABLE: GHC_BOOTSTRAP_FLAGS
54# @DESCRIPTION:
55# User-specified additional parameters for ghc when building
56# _only_ 'setup' binary bootstrap.
57# example: /etc/portage/make.conf: GHC_BOOTSTRAP_FLAGS=-dynamic to make
58# linking 'setup' faster.
59: ${GHC_BOOTSTRAP_FLAGS:=}
60
61# @ECLASS-VARIABLE: CABAL_DEBUG_LOOSENING
62# @DESCRIPTION:
63# Show debug output for 'cabal_chdeps' function if set.
64# Needs working 'diff'.
65: ${CABAL_DEBUG_LOOSENING:=}
66
67HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install pkg_postinst pkg_postrm"
68
69# 'dev-haskell/cabal' passes those options with ./configure-based
70# configuration, but most packages don't need/don't accept it:
71# #515362, #515362
72QA_CONFIGURE_OPTIONS+=" --with-compiler --with-hc --with-hc-pkg --with-gcc"
73
74case "${EAPI:-0}" in
75 2|3|4|5) HASKELL_CABAL_EXPF+=" src_configure" ;;
76 *) ;;
77esac
78
79EXPORT_FUNCTIONS ${HASKELL_CABAL_EXPF}
48 80
49for feature in ${CABAL_FEATURES}; do 81for feature in ${CABAL_FEATURES}; do
50 case ${feature} in 82 case ${feature} in
51 haddock) CABAL_USE_HADDOCK=yes;; 83 haddock) CABAL_USE_HADDOCK=yes;;
84 hscolour) CABAL_USE_HSCOLOUR=yes;;
85 hoogle) CABAL_USE_HOOGLE=yes;;
52 alex) CABAL_USE_ALEX=yes;; 86 alex) CABAL_USE_ALEX=yes;;
53 happy) CABAL_USE_HAPPY=yes;; 87 happy) CABAL_USE_HAPPY=yes;;
54 c2hs) CABAL_USE_C2HS=yes;; 88 c2hs) CABAL_USE_C2HS=yes;;
55 cpphs) CABAL_USE_CPPHS=yes;; 89 cpphs) CABAL_USE_CPPHS=yes;;
56 profile) CABAL_USE_PROFILE=yes;; 90 profile) CABAL_USE_PROFILE=yes;;
57 bootstrap) CABAL_BOOTSTRAP=yes;; 91 bootstrap) CABAL_BOOTSTRAP=yes;;
58 bin) CABAL_HAS_BINARIES=yes;; 92 bin) CABAL_HAS_BINARIES=yes;;
59 lib) CABAL_HAS_LIBRARIES=yes;; 93 lib) CABAL_HAS_LIBRARIES=yes;;
60 nocabaldep) CABAL_FROM_GHC=yes;; 94 nocabaldep) CABAL_FROM_GHC=yes;;
95 ghcdeps) CABAL_GHC_CONSTRAINT=yes;;
96 test-suite) CABAL_TEST_SUITE=yes;;
61 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";; 97 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";;
62 esac 98 esac
63done 99done
64 100
65if [[ -n "${CABAL_USE_HADDOCK}" ]]; then 101if [[ -n "${CABAL_USE_HADDOCK}" ]]; then
66 IUSE="${IUSE} doc" 102 IUSE="${IUSE} doc"
103 # don't require depend on itself to build docs.
104 # ebuild bootstraps docs from just built binary
105 [[ ${CATEGORY}/${PN} = "dev-haskell/haddock" ]] || DEPEND="${DEPEND} doc? ( dev-haskell/haddock )"
106fi
107
108if [[ -n "${CABAL_USE_HSCOLOUR}" ]]; then
109 IUSE="${IUSE} hscolour"
67 DEPEND="${DEPEND} doc? ( dev-haskell/haddock )" 110 DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )"
111fi
112
113if [[ -n "${CABAL_USE_HOOGLE}" ]]; then
114 # enabled only in ::gentoo-haskell
115 CABAL_USE_HOOGLE=
68fi 116fi
69 117
70if [[ -n "${CABAL_USE_ALEX}" ]]; then 118if [[ -n "${CABAL_USE_ALEX}" ]]; then
71 DEPEND="${DEPEND} dev-haskell/alex" 119 DEPEND="${DEPEND} dev-haskell/alex"
72 cabalconf="${cabalconf} --with-alex=/usr/bin/alex"
73fi 120fi
74 121
75if [[ -n "${CABAL_USE_HAPPY}" ]]; then 122if [[ -n "${CABAL_USE_HAPPY}" ]]; then
76 DEPEND="${DEPEND} dev-haskell/happy" 123 DEPEND="${DEPEND} dev-haskell/happy"
77 cabalconf="${cabalconf} --with-happy=/usr/bin/happy"
78fi 124fi
79 125
80if [[ -n "${CABAL_USE_C2HS}" ]]; then 126if [[ -n "${CABAL_USE_C2HS}" ]]; then
81 DEPEND="${DEPEND} dev-haskell/c2hs" 127 DEPEND="${DEPEND} dev-haskell/c2hs"
82 cabalconf="${cabalconf} --with-c2hs=/usr/bin/c2hs"
83fi 128fi
84 129
85if [[ -n "${CABAL_USE_CPPHS}" ]]; then 130if [[ -n "${CABAL_USE_CPPHS}" ]]; then
86 DEPEND="${DEPEND} dev-haskell/cpphs" 131 DEPEND="${DEPEND} dev-haskell/cpphs"
87 cabalconf="${cabalconf} --with-cpphs=/usr/bin/cpphs"
88fi 132fi
89 133
90if [[ -n "${CABAL_USE_PROFILE}" ]]; then 134if [[ -n "${CABAL_USE_PROFILE}" ]]; then
91 IUSE="${IUSE} profile" 135 IUSE="${IUSE} profile"
136fi
137
138if [[ -n "${CABAL_TEST_SUITE}" ]]; then
139 IUSE="${IUSE} test"
92fi 140fi
93 141
94# We always use a standalone version of Cabal, rather than the one that comes 142# 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. 143# with GHC. But of course we can't depend on cabal when building cabal itself.
96if [[ -z ${CABAL_MIN_VERSION} ]]; then 144if [[ -z ${CABAL_MIN_VERSION} ]]; then
97 CABAL_MIN_VERSION=1.1.4 145 CABAL_MIN_VERSION=1.1.4
98fi 146fi
99if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]]; then 147if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]]; then
100 DEPEND="${DEPEND} >=dev-haskell/cabal-${CABAL_MIN_VERSION}" 148 DEPEND="${DEPEND} >=dev-haskell/cabal-${CABAL_MIN_VERSION}"
101fi
102
103# Libraries require GHC to be installed.
104if [[ -n "${CABAL_HAS_LIBRARIES}" ]]; then
105 RDEPEND="${RDEPEND} dev-lang/ghc"
106fi 149fi
107 150
108# returns the version of cabal currently in use 151# returns the version of cabal currently in use
109_CABAL_VERSION_CACHE="" 152_CABAL_VERSION_CACHE=""
110cabal-version() { 153cabal-version() {
111 if [[ -z "${_CABAL_VERSION_CACHE}" ]]; then 154 if [[ -z "${_CABAL_VERSION_CACHE}" ]]; then
112 if [[ "${CABAL_BOOTSTRAP}" ]]; then 155 if [[ "${CABAL_BOOTSTRAP}" ]]; then
113 # We're bootstrapping cabal, so the cabal version is the version 156 # We're bootstrapping cabal, so the cabal version is the version
114 # of this package itself. 157 # of this package itself.
115 _CABAL_VERSION_CACHE="${PV}" 158 _CABAL_VERSION_CACHE="${PV}"
159 elif [[ "${CABAL_FROM_GHC}" ]]; then
160 _CABAL_VERSION_CACHE="$(ghc-cabal-version)"
116 else 161 else
117 # We ask portage, not ghc, so that we only pick up 162 # We ask portage, not ghc, so that we only pick up
118 # portage-installed cabal versions. 163 # portage-installed cabal versions.
119 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)" 164 _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)"
120 fi 165 fi
125cabal-bootstrap() { 170cabal-bootstrap() {
126 local setupmodule 171 local setupmodule
127 local cabalpackage 172 local cabalpackage
128 if [[ -f "${S}/Setup.lhs" ]]; then 173 if [[ -f "${S}/Setup.lhs" ]]; then
129 setupmodule="${S}/Setup.lhs" 174 setupmodule="${S}/Setup.lhs"
175 elif [[ -f "${S}/Setup.hs" ]]; then
176 setupmodule="${S}/Setup.hs"
130 else 177 else
131 if [[ -f "${S}/Setup.hs" ]]; then
132 setupmodule="${S}/Setup.hs"
133 else
134 die "No Setup.lhs or Setup.hs found" 178 die "No Setup.lhs or Setup.hs found"
135 fi 179 fi
180
181 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
182 eerror "The package dev-haskell/cabal is not correctly installed for"
183 eerror "the currently active version of ghc ($(ghc-version)). Please"
184 eerror "run haskell-updater or re-build dev-haskell/cabal."
185 die "cabal is not correctly installed"
136 fi 186 fi
137 187
138 # We build the setup program using the latest version of 188 # We build the setup program using the latest version of
139 # cabal that we have installed 189 # cabal that we have installed
140 if version_is_at_least "6.4" "$(ghc-version)"; then
141 cabalpackage=Cabal-$(cabal-version) 190 cabalpackage=Cabal-$(cabal-version)
191 einfo "Using cabal-$(cabal-version)."
192
193 make_setup() {
194 set -- -package "${cabalpackage}" --make "${setupmodule}" \
195 ${HCFLAGS} \
196 ${GHC_BOOTSTRAP_FLAGS} \
197 "$@" \
198 -o setup
199 echo $(ghc-getghc) "$@"
200 $(ghc-getghc) "$@"
201 }
202 if $(ghc-supports-shared-libraries); then
203 # # some custom build systems might use external libraries,
204 # # for which we don't have shared libs, so keep static fallback
205 # bug #411789, http://hackage.haskell.org/trac/ghc/ticket/5743#comment:3
206 # http://hackage.haskell.org/trac/ghc/ticket/7062
207 # http://hackage.haskell.org/trac/ghc/ticket/3072
208 # ghc does not set RPATH for extralibs, thus we do it ourselves by hands
209 einfo "Prepending $(ghc-libdir) to LD_LIBRARY_PATH"
210 if [[ ${CHOST} != *-darwin* ]]; then
211 LD_LIBRARY_PATH="$(ghc-libdir)${LD_LIBRARY_PATH:+:}${LD_LIBRARY_PATH}"
212 export LD_LIBRARY_PATH
213 else
214 DYLD_LIBRARY_PATH="$(ghc-libdir)${DYLD_LIBRARY_PATH:+:}${DYLD_LIBRARY_PATH}"
215 export DYLD_LIBRARY_PATH
216 fi
217 { make_setup -dynamic "$@" && ./setup --help >/dev/null; } ||
218 make_setup "$@" || die "compiling ${setupmodule} failed"
142 else 219 else
143 # older ghc's don't support package versioning
144 cabalpackage=Cabal
145 fi
146 einfo "Using cabal-$(cabal-version)."
147 $(ghc-getghc) -package "${cabalpackage}" --make "${setupmodule}" -o setup \
148 || die "compiling ${setupmodule} failed" 220 make_setup "$@" || die "compiling ${setupmodule} failed"
221 fi
149} 222}
150 223
151cabal-mksetup() { 224cabal-mksetup() {
152 local setupdir 225 local setupdir=${1:-${S}}
226 local setup_src=${setupdir}/Setup.hs
153 227
154 if [[ -n $1 ]]; then
155 setupdir=$1
156 else
157 setupdir=${S}
158 fi
159
160 rm -f "${setupdir}"/Setup.{lhs,hs} 228 rm -vf "${setupdir}"/Setup.{lhs,hs}
229 elog "Creating 'Setup.hs' for 'Simple' build type."
161 230
162 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \ 231 echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \
163 > $setupdir/Setup.hs 232 > "${setup_src}" || die "failed to create default Setup.hs"
233}
234
235cabal-hscolour() {
236 set -- hscolour "$@"
237 echo ./setup "$@"
238 ./setup "$@" || die "setup hscolour failed"
164} 239}
165 240
166cabal-haddock() { 241cabal-haddock() {
167 ./setup haddock || die "setup haddock failed" 242 set -- haddock "$@"
243 echo ./setup "$@"
244 ./setup "$@" || die "setup haddock failed"
245}
246
247cabal-hoogle() {
248 ewarn "hoogle USE flag requires doc USE flag, building without hoogle"
249}
250
251cabal-hscolour-haddock() {
252 # --hyperlink-source implies calling 'setup hscolour'
253 set -- haddock --hyperlink-source
254 echo ./setup "$@"
255 ./setup "$@" --hyperlink-source || die "setup haddock --hyperlink-source failed"
256}
257
258cabal-hoogle-haddock() {
259 set -- haddock --hoogle
260 echo ./setup "$@"
261 ./setup "$@" || die "setup haddock --hoogle failed"
262}
263
264cabal-hoogle-hscolour-haddock() {
265 cabal-hscolour-haddock
266 cabal-hoogle-haddock
267}
268
269cabal-hoogle-hscolour() {
270 ewarn "hoogle USE flag requires doc USE flag, building without hoogle"
271 cabal-hscolour
272}
273
274cabal-die-if-nonempty() {
275 local breakage_type=$1
276 shift
277
278 [[ "${#@}" == 0 ]] && return 0
279 eerror "Detected ${breakage_type} packages: ${@}"
280 die "//==-- Please, run 'haskell-updater' to fix ${breakage_type} packages --==//"
281}
282
283cabal-show-brokens() {
284 elog "ghc-pkg check: 'checking for other broken packages:'"
285 # pretty-printer
286 $(ghc-getghcpkg) check 2>&1 \
287 | egrep -v '^Warning: haddock-(html|interfaces): ' \
288 | egrep -v '^Warning: include-dirs: ' \
289 | head -n 20
290
291 cabal-die-if-nonempty 'broken' \
292 $($(ghc-getghcpkg) check --simple-output)
293}
294
295cabal-show-old() {
296 cabal-die-if-nonempty 'outdated' \
297 $("${EPREFIX}"/usr/sbin/haskell-updater --quiet --upgrade --list-only)
298}
299
300cabal-show-brokens-and-die() {
301 cabal-show-brokens
302 cabal-show-old
303
304 die "$@"
168} 305}
169 306
170cabal-configure() { 307cabal-configure() {
308 local cabalconf=()
309 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
310
171 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 311 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
172 cabalconf="${cabalconf} --with-haddock=/usr/bin/haddock" 312 cabalconf+=(--with-haddock=${EPREFIX}/usr/bin/haddock)
173 fi 313 fi
174 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then 314 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then
175 cabalconf="${cabalconf} --enable-library-profiling" 315 cabalconf+=(--enable-library-profiling)
176 fi 316 fi
317 if [[ -n "${CABAL_USE_ALEX}" ]]; then
318 cabalconf+=(--with-alex=${EPREFIX}/usr/bin/alex)
319 fi
320
321 if [[ -n "${CABAL_USE_HAPPY}" ]]; then
322 cabalconf+=(--with-happy=${EPREFIX}/usr/bin/happy)
323 fi
324
325 if [[ -n "${CABAL_USE_C2HS}" ]]; then
326 cabalconf+=(--with-c2hs=${EPREFIX}/usr/bin/c2hs)
327 fi
328 if [[ -n "${CABAL_USE_CPPHS}" ]]; then
329 cabalconf+=(--with-cpphs=${EPREFIX}/usr/bin/cpphs)
330 fi
331 if [[ -n "${CABAL_TEST_SUITE}" ]]; then
332 cabalconf+=($(use_enable test tests))
333 fi
334
335 if [[ -n "${CABAL_GHC_CONSTRAINT}" ]]; then
336 cabalconf+=($(cabal-constraint "ghc"))
337 fi
338
339 local option
340 for option in ${HCFLAGS}
341 do
342 cabalconf+=(--ghc-option="$option")
343 done
344
345 # parallel on all available cores
346 if ghc-supports-parallel-make; then
347 local max_jobs=$(makeopts_jobs)
348
349 # limit to very small value, as parallelism
350 # helps slightly, but makes things severely worse
351 # when amount of threads is Very Large.
352 [[ ${max_jobs} -gt 4 ]] && max_jobs=4
353
354 cabalconf+=(--ghc-option=-j"$max_jobs")
355 fi
356
177 # Building GHCi libs on ppc64 causes "TOC overflow". 357 # Building GHCi libs on ppc64 causes "TOC overflow".
178 if use ppc64; then 358 if use ppc64; then
179 cabalconf="${cabalconf} --disable-library-for-ghci" 359 cabalconf+=(--disable-library-for-ghci)
180 fi 360 fi
181 361
182 if version_is_at_least "1.2.0" "$(cabal-version)"; then 362 # currently cabal does not respect CFLAGS and LDFLAGS on it's own (bug #333217)
183 cabalconf="${cabalconf} --docdir=/usr/share/doc/${PF}" 363 # so translate LDFLAGS to ghc parameters (without filtering)
364 local flag
365 for flag in $LDFLAGS; do cabalconf+=(--ghc-option="-optl$flag"); done
366
367 # disable executable stripping for the executables, as portage will
368 # strip by itself, and pre-stripping gives a QA warning.
369 # cabal versions previous to 1.4 does not strip executables, and does
370 # not accept the flag.
371 # this fixes numerous bugs, amongst them;
372 # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494
373 cabalconf+=(--disable-executable-stripping)
374
375 cabalconf+=(--docdir="${EPREFIX}"/usr/share/doc/${PF})
184 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes 376 # 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: 377 # it's better if the configure chatter is in the build logs:
186 cabalconf="${cabalconf} --verbose" 378 cabalconf+=(--verbose)
379
380 # We build shared version of our Cabal where ghc ships it's shared
381 # version of it. We will link ./setup as dynamic binary againt Cabal later.
382 [[ ${CATEGORY}/${PN} == "dev-haskell/cabal" ]] && \
383 $(ghc-supports-shared-libraries) && \
384 cabalconf+=(--enable-shared)
385
386 if $(ghc-supports-shared-libraries); then
387 # maybe a bit lower
388 if $(ghc-supports-dynamic-by-default); then
389 cabalconf+=(--enable-shared)
187 fi 390 fi
188 # Note: with Cabal-1.1.6.x we do not have enough control 391 fi
189 # to put the docs into the right place. They're currently going
190 # into /usr/share/${P}/ghc-x.y/doc/
191 # rather than /usr/share/doc/${PF}/
192 # Because we can only set the datadir, not the docdir.
193 392
393 # --sysconfdir appeared in Cabal-1.18+
394 if ./setup configure --help | grep -q -- --sysconfdir; then
395 cabalconf+=(--sysconfdir="${EPREFIX}"/etc)
396 fi
397
398 # appeared in Cabal-1.18+ (see '--disable-executable-stripping')
399 if ./setup configure --help | grep -q -- --disable-library-stripping; then
400 cabalconf+=(--disable-library-stripping)
401 fi
402
194 ./setup configure \ 403 set -- configure \
195 --ghc --prefix=/usr \ 404 --ghc --prefix="${EPREFIX}"/usr \
196 --with-compiler="$(ghc-getghc)" \ 405 --with-compiler="$(ghc-getghc)" \
197 --with-hc-pkg="$(ghc-getghcpkg)" \ 406 --with-hc-pkg="$(ghc-getghcpkg)" \
198 --prefix=/usr \ 407 --prefix="${EPREFIX}"/usr \
199 --libdir=/usr/$(get_libdir) \ 408 --libdir="${EPREFIX}"/usr/$(get_libdir) \
200 --libsubdir=${P}/ghc-$(ghc-version) \ 409 --libsubdir=${P}/ghc-$(ghc-version) \
201 --datadir=/usr/share/ \ 410 --datadir="${EPREFIX}"/usr/share/ \
202 --datasubdir=${P}/ghc-$(ghc-version) \ 411 --datasubdir=${P}/ghc-$(ghc-version) \
203 ${cabalconf} \ 412 "${cabalconf[@]}" \
204 ${CABAL_CONFIGURE_FLAGS} \ 413 ${CABAL_CONFIGURE_FLAGS} \
205 "$@" || die "setup configure failed" 414 ${CABAL_EXTRA_CONFIGURE_FLAGS} \
415 "$@"
416 echo ./setup "$@"
417 ./setup "$@" || cabal-show-brokens-and-die "setup configure failed"
206} 418}
207 419
208cabal-build() { 420cabal-build() {
209 unset LANG LC_ALL LC_MESSAGES 421 set -- build ${CABAL_EXTRA_BUILD_FLAGS} "$@"
210 ./setup build \ 422 echo ./setup "$@"
423 ./setup "$@" \
211 || die "setup build failed" 424 || die "setup build failed"
212} 425}
213 426
214cabal-copy() { 427cabal-copy() {
215 ./setup copy \ 428 has "${EAPI:-0}" 0 1 2 && ! use prefix && ED=${D}
216 --destdir="${D}" \ 429
430 set -- copy --destdir="${D}" "$@"
431 echo ./setup "$@"
217 || die "setup copy failed" 432 ./setup "$@" || die "setup copy failed"
218 433
219 # cabal is a bit eager about creating dirs, 434 # cabal is a bit eager about creating dirs,
220 # so remove them if they are empty 435 # so remove them if they are empty
221 rmdir "${D}/usr/bin" 2> /dev/null 436 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} 437}
231 438
232cabal-pkg() { 439cabal-pkg() {
233 # This does not actually register since we're using true instead 440 # 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 441 # of ghc-pkg. So it just leaves the .conf file and we can
235 # register that ourselves (if it exists). 442 # register that ourselves (if it exists).
236 local result
237 local err
238 443
239 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then 444 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: 445 # Newer cabal can generate a package conf for us:
242 ./setup register --gen-pkg-config="${T}/${P}.conf" 446 ./setup register --gen-pkg-config="${T}/${P}.conf"
243 ghc-setup-pkg "${T}/${P}.conf" 447 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 448 fi
259} 449}
260 450
261# Some cabal libs are bundled along with some versions of ghc 451# Some cabal libs are bundled along with some versions of ghc
262# eg filepath-1.0 comes with ghc-6.6.1 452# eg filepath-1.0 comes with ghc-6.6.1
266# However portage still records the dependency and we can upgrade the package 456# However portage still records the dependency and we can upgrade the package
267# to a later one that's not included with ghc. 457# 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". 458# You can also put a space separated list, eg CABAL_CORE_LIB_GHC_PV="6.6 6.6.1".
269cabal-is-dummy-lib() { 459cabal-is-dummy-lib() {
270 for version in ${CABAL_CORE_LIB_GHC_PV[*]}; do 460 for version in ${CABAL_CORE_LIB_GHC_PV[*]}; do
271 [[ "$(ghc-version)" == "$version" ]] && return 0 461 [[ "$(ghc-version)" == ${version} ]] && return 0
272 done 462 done
273 return 1 463 return 1
274} 464}
275 465
276# exported function: check if cabal is correctly installed for 466# exported function: check if cabal is correctly installed for
277# the currently active ghc (we cannot guarantee this with portage) 467# the currently active ghc (we cannot guarantee this with portage)
278haskell-cabal_pkg_setup() { 468haskell-cabal_pkg_setup() {
279 ghc-package_pkg_setup 469 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then
280 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then 470 [[ ${RDEPEND} == *dev-lang/ghc* ]] || eqawarn "QA Notice: A library does not have runtime dependency on dev-lang/ghc."
281 eerror "The package dev-haskell/cabal is not correctly installed for"
282 eerror "the currently active version of ghc ($(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 471 fi
286 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then 472 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then
287 eerror "QA: Neither bin nor lib are in CABAL_FEATURES." 473 eqawarn "QA Notice: Neither bin nor lib are in CABAL_FEATURES."
288 fi 474 fi
289 if [[ -n "${CABAL_UNKNOWN}" ]]; then 475 if [[ -n "${CABAL_UNKNOWN}" ]]; then
290 ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}" 476 eqawarn "QA Notice: Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}"
291 fi 477 fi
292 if cabal-is-dummy-lib; then 478 if cabal-is-dummy-lib; then
293 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install." 479 einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
294 fi 480 fi
295} 481}
296 482
483haskell-cabal_src_configure() {
484 cabal-is-dummy-lib && return
485
486 pushd "${S}" > /dev/null
487
488 cabal-bootstrap
489
490 cabal-configure "$@"
491
492 popd > /dev/null
493}
494
495# exported function: nice alias
496cabal_src_configure() {
497 haskell-cabal_src_configure "$@"
498}
499
297# exported function: cabal-style bootstrap configure and compile 500# exported function: cabal-style bootstrap configure and compile
298cabal_src_compile() { 501cabal_src_compile() {
299 if ! cabal-is-dummy-lib; then 502 # it's a common mistake when one bumps ebuild to EAPI="2" (and upper)
300 cabal-bootstrap 503 # and forgets to separate src_compile() to src_configure()/src_compile().
301 cabal-configure 504 # Such error leads to default src_configure and we lose all passed flags.
505 if ! has "${EAPI:-0}" 0 1; then
506 local passed_flag
507 for passed_flag in "$@"; do
508 [[ ${passed_flag} == --flags=* ]] && \
509 eqawarn "QA Notice: Cabal option '${passed_flag}' has effect only in src_configure()"
510 done
511 fi
512
513 cabal-is-dummy-lib && return
514
515 has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
302 cabal-build 516 cabal-build
303 517
304 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then 518 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
519 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
520 if [[ -n "${CABAL_USE_HOOGLE}" ]] && use hoogle; then
521 # hoogle, hscolour and haddock
522 cabal-hoogle-hscolour-haddock
523 else
524 # haddock and hscolour
525 cabal-hscolour-haddock
526 fi
527 else
528 if [[ -n "${CABAL_USE_HOOGLE}" ]] && use hoogle; then
529 # hoogle and haddock
530 cabal-hoogle-haddock
531 else
532 # just haddock
305 cabal-haddock 533 cabal-haddock
534 fi
306 fi 535 fi
536 else
537 if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
538 if [[ -n "${CABAL_USE_HOOGLE}" ]] && use hoogle; then
539 # hoogle and hscolour
540 cabal-hoogle-hscolour
541 else
542 # just hscolour
543 cabal-hscolour
544 fi
545 else
546 if [[ -n "${CABAL_USE_HOOGLE}" ]] && use hoogle; then
547 # just hoogle
548 cabal-hoogle
549 fi
550 fi
307 fi 551 fi
308} 552}
309 553
310haskell-cabal_src_compile() { 554haskell-cabal_src_compile() {
555 pushd "${S}" > /dev/null
556
311 cabal_src_compile 557 cabal_src_compile "$@"
558
559 popd > /dev/null
560}
561
562haskell-cabal_src_test() {
563 pushd "${S}" > /dev/null
564
565 if cabal-is-dummy-lib; then
566 einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}"
567 else
568 einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}"
569 set -- test "$@"
570 echo ./setup "$@"
571 ./setup "$@" || die "cabal test failed"
572 fi
573
574 popd > /dev/null
312} 575}
313 576
314# exported function: cabal-style copy and register 577# exported function: cabal-style copy and register
315cabal_src_install() { 578cabal_src_install() {
579 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
580
316 if cabal-is-dummy-lib; then 581 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 582 cabal-copy
322 cabal-pkg 583 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 584 fi
585
586 # create a dummy local package conf file for haskell-updater
587 # if it does not exist (dummy libraries and binaries w/o libraries)
588 local ghc_confdir_with_prefix="$(ghc-confdir)"
589 # remove EPREFIX
590 dodir ${ghc_confdir_with_prefix#${EPREFIX}}
591 local hint_db="${D}/$(ghc-confdir)"
592 local hint_file="${hint_db}/${PF}.conf"
593 mkdir -p "${hint_db}" || die
594 touch "${hint_file}" || die
595}
596
597haskell-cabal_src_install() {
598 pushd "${S}" > /dev/null
599
600 cabal_src_install
601
602 popd > /dev/null
603}
604
605haskell-cabal_pkg_postinst() {
606 ghc-package_pkg_postinst
607}
608
609haskell-cabal_pkg_postrm() {
610 ghc-package_pkg_postrm
611}
612
613# @FUNCTION: cabal_flag
614# @DESCRIPTION:
615# ebuild.sh:use_enable() taken as base
616#
617# Usage examples:
618#
619# CABAL_CONFIGURE_FLAGS=$(cabal_flag gui)
620# leads to "--flags=gui" or "--flags=-gui" (useflag 'gui')
621#
622# CABAL_CONFIGURE_FLAGS=$(cabal_flag gtk gui)
623# also leads to "--flags=gui" or " --flags=-gui" (useflag 'gtk')
624#
625cabal_flag() {
626 if [[ -z "$1" ]]; then
627 echo "!!! cabal_flag() called without a parameter." >&2
628 echo "!!! cabal_flag() <USEFLAG> [<cabal_flagname>]" >&2
629 return 1
630 fi
631
632 local UWORD=${2:-$1}
633
634 if use "$1"; then
635 echo "--flags=${UWORD}"
636 else
637 echo "--flags=-${UWORD}"
638 fi
639
640 return 0
641}
642
643# @FUNCTION: cabal_chdeps
644# @DESCRIPTION:
645# Allows easier patching of $CABAL_FILE (${S}/${PN}.cabal by default)
646# depends
647#
648# Accepts argument list as pairs of substitutions: <from-string> <to-string>...
649#
650# Dies on error.
651#
652# Usage examples:
653#
654# src_prepare() {
655# cabal_chdeps \
656# 'base >= 4.2 && < 4.6' 'base >= 4.2 && < 4.7' \
657# 'containers ==0.4.*' 'containers >= 0.4 && < 0.6'
658#}
659# or
660# src_prepare() {
661# CABAL_FILE=${S}/${MY_PN}.cabal cabal_chdeps \
662# 'base >= 4.2 && < 4.6' 'base >= 4.2 && < 4.7'
663# CABAL_FILE=${S}/${MY_PN}-tools.cabal cabal_chdeps \
664# 'base == 3.*' 'base >= 4.2 && < 4.7'
665#}
666#
667cabal_chdeps() {
668 local cabal_fn=${MY_PN:-${PN}}.cabal
669 local cf=${CABAL_FILE:-${S}/${cabal_fn}}
670 local from_ss # ss - substring
671 local to_ss
672 local orig_c # c - contents
673 local new_c
674
675 [[ -f $cf ]] || die "cabal file '$cf' does not exist"
676
677 orig_c=$(< "$cf")
678
679 while :; do
680 from_pat=$1
681 to_str=$2
682
683 [[ -n ${from_pat} ]] || break
684 [[ -n ${to_str} ]] || die "'${from_str}' does not have 'to' part"
685
686 einfo "CHDEP: '${from_pat}' -> '${to_str}'"
687
688 # escape pattern-like symbols
689 from_pat=${from_pat//\*/\\*}
690 from_pat=${from_pat//\[/\\[}
691
692 new_c=${orig_c//${from_pat}/${to_str}}
693
694 if [[ -n $CABAL_DEBUG_LOOSENING ]]; then
695 echo "${orig_c}" >"${T}/${cf}".pre
696 echo "${new_c}" >"${T}/${cf}".post
697 diff -u "${T}/${cf}".{pre,post}
328 fi 698 fi
699
700 [[ "${orig_c}" == "${new_c}" ]] && die "no trigger for '${from_pat}'"
701 orig_c=${new_c}
702 shift
703 shift
704 done
705
706 echo "${new_c}" > "$cf" ||
707 die "failed to update"
708}
709
710# @FUNCTION: cabal-constraint
711# @DESCRIPTION:
712# Allowes to set contraint to the libraries that are
713# used by specified package
714cabal-constraint() {
715 while read p v ; do
716 echo "--constraint \"$p == $v\""
717 done < $(ghc-pkgdeps ${1})
718}
719
720# @FUNCTION: replace-hcflags
721# @USAGE: <old> <new>
722# @DESCRIPTION:
723# Replace the <old> flag with <new> in HCFLAGS. Accepts shell globs for <old>.
724# The implementation is picked from flag-o-matic.eclass:replace-flags()
725replace-hcflags() {
726 [[ $# != 2 ]] && die "Usage: replace-hcflags <old flag> <new flag>"
727
728 local f new=()
729 for f in ${HCFLAGS} ; do
730 # Note this should work with globs like -O*
731 if [[ ${f} == ${1} ]]; then
732 einfo "HCFLAGS: replacing '${f}' to '${2}'"
733 f=${2}
329 fi 734 fi
330} 735 new+=( "${f}" )
331haskell-cabal_src_install() { 736 done
332 cabal_src_install 737 export HCFLAGS="${new[*]}"
333}
334 738
335EXPORT_FUNCTIONS pkg_setup src_compile src_install 739 return 0
740}

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