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Revision 1.44 - (hide annotations) (download)
Thu May 22 16:35:11 2014 UTC (6 months, 4 weeks ago) by slyfox
Branch: MAIN
Changes since 1.43: +17 -15 lines
cabal_chdeps() now defaults to MY_PN (autogenerated by hackport) if exists, then to PN

1 slyfox 1.43 # Copyright 1999-2014 Gentoo Foundation
2 kosmikus 1.1 # Distributed under the terms of the GNU General Public License v2
3 slyfox 1.44 # $Header: /var/cvsroot/gentoo-x86/eclass/haskell-cabal.eclass,v 1.43 2014/02/11 19:00:06 slyfox Exp $
4 vapier 1.25
5     # @ECLASS: haskell-cabal.eclass
6     # @MAINTAINER:
7     # Haskell herd <haskell@gentoo.org>
8     # @AUTHOR:
9     # Original author: Andres Loeh <kosmikus@gentoo.org>
10     # Original author: Duncan Coutts <dcoutts@gentoo.org>
11     # @BLURB: for packages that make use of the Haskell Common Architecture for Building Applications and Libraries (cabal)
12     # @DESCRIPTION:
13 kosmikus 1.1 # Basic instructions:
14     #
15     # Before inheriting the eclass, set CABAL_FEATURES to
16     # reflect the tools and features that the package makes
17     # use of.
18     #
19     # Currently supported features:
20     # haddock -- for documentation generation
21 kolmodin 1.21 # hscolour -- generation of colourised sources
22 slyfox 1.35 # hoogle -- generation of documentation search index
23 kosmikus 1.1 # alex -- lexer/scanner generator
24     # happy -- parser generator
25     # c2hs -- C interface generator
26     # cpphs -- C preprocessor clone written in Haskell
27     # profile -- if package supports to build profiling-enabled libraries
28     # bootstrap -- only used for the cabal package itself
29 dcoutts 1.3 # bin -- the package installs binaries
30     # lib -- the package installs libraries
31 kolmodin 1.16 # nocabaldep -- don't add dependency on cabal.
32 slyfox 1.23 # only used for packages that _must_ not pull the dependency
33     # on cabal, but still use this eclass (e.g. haskell-updater).
34 slyfox 1.32 # test-suite -- add support for cabal test-suites (introduced in Cabal-1.8)
35 kosmikus 1.1
36 slyfox 1.43 inherit eutils ghc-package multilib multiprocessing
37 kosmikus 1.1
38 slyfox 1.24 # @ECLASS-VARIABLE: CABAL_EXTRA_CONFIGURE_FLAGS
39     # @DESCRIPTION:
40     # User-specified additional parameters passed to 'setup configure'.
41 zmedico 1.39 # example: /etc/portage/make.conf: CABAL_EXTRA_CONFIGURE_FLAGS=--enable-shared
42 slyfox 1.24 : ${CABAL_EXTRA_CONFIGURE_FLAGS:=}
43    
44 slyfox 1.27 # @ECLASS-VARIABLE: CABAL_EXTRA_BUILD_FLAGS
45     # @DESCRIPTION:
46     # User-specified additional parameters passed to 'setup build'.
47 zmedico 1.39 # example: /etc/portage/make.conf: CABAL_EXTRA_BUILD_FLAGS=-v
48 slyfox 1.27 : ${CABAL_EXTRA_BUILD_FLAGS:=}
49    
50 slyfox 1.24 # @ECLASS-VARIABLE: GHC_BOOTSTRAP_FLAGS
51     # @DESCRIPTION:
52     # User-specified additional parameters for ghc when building
53     # _only_ 'setup' binary bootstrap.
54 zmedico 1.39 # example: /etc/portage/make.conf: GHC_BOOTSTRAP_FLAGS=-dynamic to make
55 slyfox 1.24 # linking 'setup' faster.
56     : ${GHC_BOOTSTRAP_FLAGS:=}
57    
58 slyfox 1.36 # @ECLASS-VARIABLE: CABAL_DEBUG_LOOSENING
59     # @DESCRIPTION:
60     # Show debug output for 'cabal_chdeps' function if set.
61     # Needs working 'diff'.
62     : ${CABAL_DEBUG_LOOSENING:=}
63    
64 kolmodin 1.19 HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install"
65    
66     case "${EAPI:-0}" in
67 axs 1.34 2|3|4|5) HASKELL_CABAL_EXPF+=" src_configure" ;;
68 kolmodin 1.19 *) ;;
69     esac
70    
71     EXPORT_FUNCTIONS ${HASKELL_CABAL_EXPF}
72 kosmikus 1.1
73     for feature in ${CABAL_FEATURES}; do
74     case ${feature} in
75 kolmodin 1.16 haddock) CABAL_USE_HADDOCK=yes;;
76 kolmodin 1.21 hscolour) CABAL_USE_HSCOLOUR=yes;;
77 slyfox 1.26 hoogle) CABAL_USE_HOOGLE=yes;;
78 kolmodin 1.16 alex) CABAL_USE_ALEX=yes;;
79     happy) CABAL_USE_HAPPY=yes;;
80     c2hs) CABAL_USE_C2HS=yes;;
81     cpphs) CABAL_USE_CPPHS=yes;;
82     profile) CABAL_USE_PROFILE=yes;;
83     bootstrap) CABAL_BOOTSTRAP=yes;;
84     bin) CABAL_HAS_BINARIES=yes;;
85     lib) CABAL_HAS_LIBRARIES=yes;;
86     nocabaldep) CABAL_FROM_GHC=yes;;
87 slyfox 1.32 test-suite) CABAL_TEST_SUITE=yes;;
88 dcoutts 1.3 *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";;
89 kosmikus 1.1 esac
90     done
91    
92     if [[ -n "${CABAL_USE_HADDOCK}" ]]; then
93     IUSE="${IUSE} doc"
94 slyfox 1.28 # don't require depend on itself to build docs.
95     # ebuild bootstraps docs from just built binary
96     [[ ${CATEGORY}/${PN} = "dev-haskell/haddock" ]] || DEPEND="${DEPEND} doc? ( dev-haskell/haddock )"
97 kosmikus 1.1 fi
98    
99 kolmodin 1.21 if [[ -n "${CABAL_USE_HSCOLOUR}" ]]; then
100     IUSE="${IUSE} hscolour"
101     DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )"
102     fi
103    
104 kosmikus 1.1 if [[ -n "${CABAL_USE_ALEX}" ]]; then
105     DEPEND="${DEPEND} dev-haskell/alex"
106     fi
107    
108     if [[ -n "${CABAL_USE_HAPPY}" ]]; then
109     DEPEND="${DEPEND} dev-haskell/happy"
110     fi
111    
112     if [[ -n "${CABAL_USE_C2HS}" ]]; then
113     DEPEND="${DEPEND} dev-haskell/c2hs"
114     fi
115    
116     if [[ -n "${CABAL_USE_CPPHS}" ]]; then
117     DEPEND="${DEPEND} dev-haskell/cpphs"
118     fi
119    
120     if [[ -n "${CABAL_USE_PROFILE}" ]]; then
121     IUSE="${IUSE} profile"
122     fi
123    
124 slyfox 1.32 if [[ -n "${CABAL_TEST_SUITE}" ]]; then
125     IUSE="${IUSE} test"
126     fi
127    
128 kosmikus 1.1 # We always use a standalone version of Cabal, rather than the one that comes
129     # with GHC. But of course we can't depend on cabal when building cabal itself.
130 dcoutts 1.14 if [[ -z ${CABAL_MIN_VERSION} ]]; then
131     CABAL_MIN_VERSION=1.1.4
132     fi
133 kolmodin 1.16 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]]; then
134 dcoutts 1.11 DEPEND="${DEPEND} >=dev-haskell/cabal-${CABAL_MIN_VERSION}"
135 kosmikus 1.1 fi
136    
137 dcoutts 1.14 # returns the version of cabal currently in use
138     _CABAL_VERSION_CACHE=""
139     cabal-version() {
140     if [[ -z "${_CABAL_VERSION_CACHE}" ]]; then
141     if [[ "${CABAL_BOOTSTRAP}" ]]; then
142     # We're bootstrapping cabal, so the cabal version is the version
143     # of this package itself.
144     _CABAL_VERSION_CACHE="${PV}"
145 kolmodin 1.17 elif [[ "${CABAL_FROM_GHC}" ]]; then
146 slyfox 1.24 local cabal_package=$(echo "$(ghc-libdir)"/Cabal-*)
147     # /path/to/ghc/Cabal-${VER} -> ${VER}
148     _CABAL_VERSION_CACHE="${cabal_package/*Cabal-/}"
149 dcoutts 1.14 else
150     # We ask portage, not ghc, so that we only pick up
151     # portage-installed cabal versions.
152     _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)"
153     fi
154     fi
155     echo "${_CABAL_VERSION_CACHE}"
156     }
157    
158 kosmikus 1.1 cabal-bootstrap() {
159     local setupmodule
160 dcoutts 1.14 local cabalpackage
161 kosmikus 1.1 if [[ -f "${S}/Setup.lhs" ]]; then
162     setupmodule="${S}/Setup.lhs"
163 slyfox 1.29 elif [[ -f "${S}/Setup.hs" ]]; then
164     setupmodule="${S}/Setup.hs"
165 kosmikus 1.1 else
166 slyfox 1.29 die "No Setup.lhs or Setup.hs found"
167 kosmikus 1.1 fi
168    
169 slyfox 1.31 if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then
170     eerror "The package dev-haskell/cabal is not correctly installed for"
171     eerror "the currently active version of ghc ($(ghc-version)). Please"
172     eerror "run haskell-updater or re-build dev-haskell/cabal."
173     die "cabal is not correctly installed"
174     fi
175    
176 kosmikus 1.1 # We build the setup program using the latest version of
177     # cabal that we have installed
178 slyfox 1.29 cabalpackage=Cabal-$(cabal-version)
179 dcoutts 1.14 einfo "Using cabal-$(cabal-version)."
180 slyfox 1.24
181     make_setup() {
182 slyfox 1.26 set -- -package "${cabalpackage}" --make "${setupmodule}" \
183 slyfox 1.44 ${HCFLAGS} \
184 slyfox 1.24 ${GHC_BOOTSTRAP_FLAGS} \
185     "$@" \
186     -o setup
187 slyfox 1.44 echo $(ghc-getghc) "$@"
188 slyfox 1.26 $(ghc-getghc) "$@"
189 slyfox 1.24 }
190     if $(ghc-supports-shared-libraries); then
191 slyfox 1.30 # # some custom build systems might use external libraries,
192     # # for which we don't have shared libs, so keep static fallback
193     # bug #411789, http://hackage.haskell.org/trac/ghc/ticket/5743#comment:3
194 slyfox 1.35 # http://hackage.haskell.org/trac/ghc/ticket/7062
195     # http://hackage.haskell.org/trac/ghc/ticket/3072
196     # ghc does not set RPATH for extralibs, thus we do it ourselves by hands
197     einfo "Prepending $(ghc-libdir) to LD_LIBRARY_PATH"
198     if [[ ${CHOST} != *-darwin* ]]; then
199     LD_LIBRARY_PATH="$(ghc-libdir)${LD_LIBRARY_PATH:+:}${LD_LIBRARY_PATH}"
200     export LD_LIBRARY_PATH
201     else
202     DYLD_LIBRARY_PATH="$(ghc-libdir)${DYLD_LIBRARY_PATH:+:}${DYLD_LIBRARY_PATH}"
203     export DYLD_LIBRARY_PATH
204     fi
205     { make_setup -dynamic "$@" && ./setup --help >/dev/null; } ||
206 slyfox 1.30 make_setup "$@" || die "compiling ${setupmodule} failed"
207 slyfox 1.24 else
208     make_setup "$@" || die "compiling ${setupmodule} failed"
209     fi
210 kosmikus 1.1 }
211    
212 dcoutts 1.14 cabal-mksetup() {
213 slyfox 1.44 local setupdir=${1:-${S}}
214     local setup_src=${setupdir}/Setup.hs
215 dcoutts 1.14
216 slyfox 1.44 rm -vf "${setupdir}"/Setup.{lhs,hs}
217     elog "Creating 'Setup.hs' for 'Simple' build type."
218 dcoutts 1.14
219     echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \
220 slyfox 1.44 > "${setup_src}" || die "failed to create default Setup.hs"
221 dcoutts 1.14 }
222    
223 kolmodin 1.21 cabal-hscolour() {
224 slyfox 1.26 set -- hscolour "$@"
225     echo ./setup "$@"
226     ./setup "$@" || die "setup hscolour failed"
227 kolmodin 1.21 }
228    
229 kosmikus 1.1 cabal-haddock() {
230 slyfox 1.26 set -- haddock "$@"
231     echo ./setup "$@"
232     ./setup "$@" || die "setup haddock failed"
233 kosmikus 1.1 }
234    
235 kolmodin 1.21 cabal-hscolour-haddock() {
236     # --hyperlink-source implies calling 'setup hscolour'
237 slyfox 1.26 set -- haddock --hyperlink-source
238     echo ./setup "$@"
239     ./setup "$@" --hyperlink-source || die "setup haddock --hyperlink-source failed"
240 kolmodin 1.21 }
241    
242 slyfox 1.41 cabal-die-if-nonempty() {
243     local breakage_type=$1
244     shift
245    
246     [[ "${#@}" == 0 ]] && return 0
247     eerror "Detected ${breakage_type} packages: ${@}"
248     die "//==-- Please, run 'haskell-updater' to fix ${breakage_type} packages --==//"
249     }
250    
251 slyfox 1.40 cabal-show-brokens() {
252 slyfox 1.44 elog "ghc-pkg check: 'checking for other broken packages:'"
253 slyfox 1.40 # pretty-printer
254     $(ghc-getghcpkg) check 2>&1 \
255     | egrep -v '^Warning: haddock-(html|interfaces): ' \
256 slyfox 1.44 | egrep -v '^Warning: include-dirs: ' \
257     | head -n 20
258 slyfox 1.40
259 slyfox 1.41 cabal-die-if-nonempty 'broken' \
260     $($(ghc-getghcpkg) check --simple-output)
261     }
262 slyfox 1.40
263 slyfox 1.41 cabal-show-old() {
264     cabal-die-if-nonempty 'outdated' \
265     $("${EPREFIX}"/usr/sbin/haskell-updater --quiet --upgrade --list-only)
266 slyfox 1.40 }
267    
268     cabal-show-brokens-and-die() {
269     cabal-show-brokens
270 slyfox 1.41 cabal-show-old
271 slyfox 1.40
272     die "$@"
273     }
274    
275 kosmikus 1.1 cabal-configure() {
276 slyfox 1.43 local cabalconf=()
277 slyfox 1.23 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
278    
279 dcoutts 1.14 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
280 slyfox 1.43 cabalconf+=(--with-haddock=${EPREFIX}/usr/bin/haddock)
281 dcoutts 1.14 fi
282 kosmikus 1.1 if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then
283 slyfox 1.43 cabalconf+=(--enable-library-profiling)
284 kosmikus 1.1 fi
285 slyfox 1.23 if [[ -n "${CABAL_USE_ALEX}" ]]; then
286 slyfox 1.43 cabalconf+=(--with-alex=${EPREFIX}/usr/bin/alex)
287 slyfox 1.23 fi
288    
289     if [[ -n "${CABAL_USE_HAPPY}" ]]; then
290 slyfox 1.43 cabalconf+=(--with-happy=${EPREFIX}/usr/bin/happy)
291 slyfox 1.23 fi
292    
293     if [[ -n "${CABAL_USE_C2HS}" ]]; then
294 slyfox 1.43 cabalconf+=(--with-c2hs=${EPREFIX}/usr/bin/c2hs)
295 slyfox 1.23 fi
296     if [[ -n "${CABAL_USE_CPPHS}" ]]; then
297 slyfox 1.43 cabalconf+=(--with-cpphs=${EPREFIX}/usr/bin/cpphs)
298 slyfox 1.23 fi
299 slyfox 1.32 if [[ -n "${CABAL_TEST_SUITE}" ]]; then
300 slyfox 1.43 cabalconf+=($(use_enable test tests))
301 slyfox 1.32 fi
302 slyfox 1.23
303 slyfox 1.27 local option
304     for option in ${HCFLAGS}
305     do
306 slyfox 1.43 cabalconf+=(--ghc-option="$option")
307 slyfox 1.27 done
308    
309 slyfox 1.43 # parallel on all available cores
310     if ghc-supports-parallel-make; then
311     local max_jobs=$(makeopts_jobs)
312    
313 slyfox 1.44 # limit to very small value, as parallelism
314     # helps slightly, but makes things severely worse
315     # when amount of threads is Very Large.
316     [[ ${max_jobs} -gt 4 ]] && max_jobs=4
317 slyfox 1.43
318     cabalconf+=(--ghc-option=-j"$max_jobs")
319     fi
320    
321 dcoutts 1.6 # Building GHCi libs on ppc64 causes "TOC overflow".
322     if use ppc64; then
323 slyfox 1.43 cabalconf+=(--disable-library-for-ghci)
324 dcoutts 1.5 fi
325 kosmikus 1.1
326 slyfox 1.24 # currently cabal does not respect CFLAGS and LDFLAGS on it's own (bug #333217)
327     # so translate LDFLAGS to ghc parameters (without filtering)
328     local flag
329 slyfox 1.43 for flag in $LDFLAGS; do cabalconf+=(--ghc-option="-optl$flag"); done
330 slyfox 1.24
331 slyfox 1.29 # disable executable stripping for the executables, as portage will
332     # strip by itself, and pre-stripping gives a QA warning.
333     # cabal versions previous to 1.4 does not strip executables, and does
334     # not accept the flag.
335     # this fixes numerous bugs, amongst them;
336     # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494
337 slyfox 1.43 cabalconf+=(--disable-executable-stripping)
338 slyfox 1.29
339 slyfox 1.43 cabalconf+=(--docdir="${EPREFIX}"/usr/share/doc/${PF})
340 slyfox 1.29 # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes
341     # it's better if the configure chatter is in the build logs:
342 slyfox 1.43 cabalconf+=(--verbose)
343 dcoutts 1.11
344 slyfox 1.24 # We build shared version of our Cabal where ghc ships it's shared
345     # version of it. We will link ./setup as dynamic binary againt Cabal later.
346     [[ ${CATEGORY}/${PN} == "dev-haskell/cabal" ]] && \
347     $(ghc-supports-shared-libraries) && \
348 slyfox 1.43 cabalconf+=(--enable-shared)
349 slyfox 1.24
350 slyfox 1.35 if $(ghc-supports-shared-libraries); then
351     # maybe a bit lower
352 slyfox 1.40 if $(ghc-supports-dynamic-by-default); then
353 slyfox 1.43 cabalconf+=(--enable-shared)
354 slyfox 1.35 fi
355     fi
356    
357 slyfox 1.43 # --sysconfdir appeared in Cabal-1.18+
358     if ./setup configure --help | grep -q -- --sysconfdir; then
359     cabalconf+=(--sysconfdir="${EPREFIX}"/etc)
360     fi
361    
362     # appeared in Cabal-1.18+ (see '--disable-executable-stripping')
363     if ./setup configure --help | grep -q -- --disable-library-stripping; then
364     cabalconf+=(--disable-library-stripping)
365     fi
366    
367 slyfox 1.26 set -- configure \
368 slyfox 1.23 --ghc --prefix="${EPREFIX}"/usr \
369 kosmikus 1.1 --with-compiler="$(ghc-getghc)" \
370     --with-hc-pkg="$(ghc-getghcpkg)" \
371 slyfox 1.23 --prefix="${EPREFIX}"/usr \
372     --libdir="${EPREFIX}"/usr/$(get_libdir) \
373 dcoutts 1.11 --libsubdir=${P}/ghc-$(ghc-version) \
374 slyfox 1.23 --datadir="${EPREFIX}"/usr/share/ \
375 dcoutts 1.11 --datasubdir=${P}/ghc-$(ghc-version) \
376 slyfox 1.43 "${cabalconf[@]}" \
377 kosmikus 1.8 ${CABAL_CONFIGURE_FLAGS} \
378 slyfox 1.24 ${CABAL_EXTRA_CONFIGURE_FLAGS} \
379 slyfox 1.26 "$@"
380     echo ./setup "$@"
381 slyfox 1.40 ./setup "$@" || cabal-show-brokens-and-die "setup configure failed"
382 kosmikus 1.1 }
383    
384     cabal-build() {
385 dcoutts 1.14 unset LANG LC_ALL LC_MESSAGES
386 slyfox 1.27 set -- build ${CABAL_EXTRA_BUILD_FLAGS} "$@"
387 slyfox 1.26 echo ./setup "$@"
388     ./setup "$@" \
389 kosmikus 1.1 || die "setup build failed"
390     }
391    
392     cabal-copy() {
393 slyfox 1.23 has "${EAPI:-0}" 0 1 2 && ! use prefix && ED=${D}
394    
395 slyfox 1.26 set -- copy --destdir="${D}" "$@"
396     echo ./setup "$@"
397     ./setup "$@" || die "setup copy failed"
398 kosmikus 1.1
399     # cabal is a bit eager about creating dirs,
400     # so remove them if they are empty
401 slyfox 1.23 rmdir "${ED}/usr/bin" 2> /dev/null
402 kosmikus 1.1 }
403    
404     cabal-pkg() {
405 kosmikus 1.9 # This does not actually register since we're using true instead
406 slyfox 1.29 # of ghc-pkg. So it just leaves the .conf file and we can
407 kosmikus 1.1 # register that ourselves (if it exists).
408 dcoutts 1.2
409 dcoutts 1.4 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then
410 slyfox 1.29 # Newer cabal can generate a package conf for us:
411     ./setup register --gen-pkg-config="${T}/${P}.conf"
412     ghc-setup-pkg "${T}/${P}.conf"
413     ghc-install-pkg
414 kosmikus 1.1 fi
415     }
416    
417 kolmodin 1.13 # Some cabal libs are bundled along with some versions of ghc
418     # eg filepath-1.0 comes with ghc-6.6.1
419     # by putting CABAL_CORE_LIB_GHC_PV="6.6.1" in an ebuild we are declaring that
420     # when building with this version of ghc, the ebuild is a dummy that is it will
421     # install no files since the package is already included with ghc.
422     # However portage still records the dependency and we can upgrade the package
423     # to a later one that's not included with ghc.
424     # You can also put a space separated list, eg CABAL_CORE_LIB_GHC_PV="6.6 6.6.1".
425     cabal-is-dummy-lib() {
426     for version in ${CABAL_CORE_LIB_GHC_PV[*]}; do
427 slyfox 1.33 [[ "$(ghc-version)" == ${version} ]] && return 0
428 kolmodin 1.13 done
429     return 1
430     }
431    
432 kosmikus 1.1 # exported function: check if cabal is correctly installed for
433     # the currently active ghc (we cannot guarantee this with portage)
434     haskell-cabal_pkg_setup() {
435 slyfox 1.38 if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then
436     [[ ${RDEPEND} == *dev-lang/ghc* ]] || eqawarn "QA Notice: A library does not have runtime dependency on dev-lang/ghc."
437     fi
438 dcoutts 1.4 if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then
439 slyfox 1.29 eqawarn "QA Notice: Neither bin nor lib are in CABAL_FEATURES."
440 dcoutts 1.4 fi
441 dcoutts 1.3 if [[ -n "${CABAL_UNKNOWN}" ]]; then
442 slyfox 1.29 eqawarn "QA Notice: Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}"
443 dcoutts 1.3 fi
444 kolmodin 1.13 if cabal-is-dummy-lib; then
445     einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install."
446     fi
447 kosmikus 1.1 }
448    
449 kolmodin 1.19 haskell-cabal_src_configure() {
450 slyfox 1.29 cabal-is-dummy-lib && return
451    
452     pushd "${S}" > /dev/null
453 kolmodin 1.19
454 slyfox 1.29 cabal-bootstrap
455 slyfox 1.22
456 slyfox 1.29 cabal-configure "$@"
457 kolmodin 1.19
458 slyfox 1.29 popd > /dev/null
459 kolmodin 1.19 }
460    
461     # exported function: nice alias
462     cabal_src_configure() {
463     haskell-cabal_src_configure "$@"
464     }
465    
466 kosmikus 1.1 # exported function: cabal-style bootstrap configure and compile
467     cabal_src_compile() {
468 slyfox 1.24 # it's a common mistake when one bumps ebuild to EAPI="2" (and upper)
469     # and forgets to separate src_compile() to src_configure()/src_compile().
470     # Such error leads to default src_configure and we lose all passed flags.
471     if ! has "${EAPI:-0}" 0 1; then
472     local passed_flag
473     for passed_flag in "$@"; do
474     [[ ${passed_flag} == --flags=* ]] && \
475 slyfox 1.29 eqawarn "QA Notice: Cabal option '${passed_flag}' has effect only in src_configure()"
476 slyfox 1.24 done
477     fi
478    
479 slyfox 1.29 cabal-is-dummy-lib && return
480    
481     has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@"
482     cabal-build
483 kosmikus 1.1
484 slyfox 1.29 if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then
485     if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
486     # hscolour and haddock
487     cabal-hscolour-haddock
488 kolmodin 1.21 else
489 slyfox 1.29 # just haddock
490     cabal-haddock
491     fi
492     else
493     if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then
494     # just hscolour
495     cabal-hscolour
496 kolmodin 1.13 fi
497 kosmikus 1.1 fi
498     }
499 kolmodin 1.16
500 kosmikus 1.1 haskell-cabal_src_compile() {
501 kolmodin 1.19 pushd "${S}" > /dev/null
502    
503     cabal_src_compile "$@"
504    
505     popd > /dev/null
506     }
507    
508     haskell-cabal_src_test() {
509     pushd "${S}" > /dev/null
510    
511 kolmodin 1.20 if cabal-is-dummy-lib; then
512     einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}"
513     else
514     einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}"
515 slyfox 1.26 set -- test "$@"
516     echo ./setup "$@"
517     ./setup "$@" || die "cabal test failed"
518 kolmodin 1.20 fi
519 kolmodin 1.19
520     popd > /dev/null
521 kosmikus 1.1 }
522    
523     # exported function: cabal-style copy and register
524     cabal_src_install() {
525 slyfox 1.23 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
526    
527 slyfox 1.29 if ! cabal-is-dummy-lib; then
528 kolmodin 1.13 cabal-copy
529     cabal-pkg
530 slyfox 1.29 fi
531 kosmikus 1.1
532 slyfox 1.29 # create a dummy local package conf file for haskell-updater
533     # if it does not exist (dummy libraries and binaries w/o libraries)
534     local ghc_confdir_with_prefix="$(ghc-confdir)"
535     # remove EPREFIX
536     dodir ${ghc_confdir_with_prefix#${EPREFIX}}
537     local conf_file="${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
538     [[ -e $conf_file ]] || echo '[]' > "$conf_file" || die
539 slyfox 1.33
540     # make sure installed packages do not destroy ghc's
541     # bundled packages
542     local initial_pkg_db=${ROOT}/$(ghc-libdir)/package.conf.d.initial
543     if [[ -e ${initial_pkg_db} ]]; then
544     local checked_pkg
545     for checked_pkg in $(ghc-listpkg "${conf_file}")
546     do
547     local initial_pkg
548     for initial_pkg in $(ghc-listpkg "${initial_pkg_db}"); do
549     if [[ ${checked_pkg} = ${initial_pkg} ]]; then
550     eerror "Package ${checked_pkg} is shipped with $(ghc-version)."
551     eerror "Ebuild author forgot CABAL_CORE_LIB_GHC_PV entry."
552     eerror "Found in ${initial_pkg_db}."
553     die
554     fi
555     done
556     done
557     fi
558 kosmikus 1.1 }
559 kolmodin 1.19
560 kosmikus 1.1 haskell-cabal_src_install() {
561 kolmodin 1.19 pushd "${S}" > /dev/null
562    
563 kosmikus 1.1 cabal_src_install
564 kolmodin 1.19
565     popd > /dev/null
566 kosmikus 1.1 }
567    
568 slyfox 1.38 # @FUNCTION: cabal_flag
569     # @DESCRIPTION:
570 kolmodin 1.19 # ebuild.sh:use_enable() taken as base
571     #
572     # Usage examples:
573     #
574     # CABAL_CONFIGURE_FLAGS=$(cabal_flag gui)
575     # leads to "--flags=gui" or "--flags=-gui" (useflag 'gui')
576     #
577     # CABAL_CONFIGURE_FLAGS=$(cabal_flag gtk gui)
578     # also leads to "--flags=gui" or " --flags=-gui" (useflag 'gtk')
579     #
580     cabal_flag() {
581     if [[ -z "$1" ]]; then
582     echo "!!! cabal_flag() called without a parameter." >&2
583     echo "!!! cabal_flag() <USEFLAG> [<cabal_flagname>]" >&2
584     return 1
585     fi
586    
587     local UWORD=${2:-$1}
588    
589     if use "$1"; then
590     echo "--flags=${UWORD}"
591     else
592     echo "--flags=-${UWORD}"
593     fi
594    
595     return 0
596     }
597 slyfox 1.36
598     # @FUNCTION: cabal_chdeps
599     # @DESCRIPTION:
600     # Allows easier patching of $CABAL_FILE (${S}/${PN}.cabal by default)
601     # depends
602     #
603     # Accepts argument list as pairs of substitutions: <from-string> <to-string>...
604     #
605     # Dies on error.
606     #
607     # Usage examples:
608     #
609     # src_prepare() {
610     # cabal_chdeps \
611     # 'base >= 4.2 && < 4.6' 'base >= 4.2 && < 4.7' \
612     # 'containers ==0.4.*' 'containers >= 0.4 && < 0.6'
613     #}
614     # or
615     # src_prepare() {
616     # CABAL_FILE=${S}/${MY_PN}.cabal cabal_chdeps \
617     # 'base >= 4.2 && < 4.6' 'base >= 4.2 && < 4.7'
618     # CABAL_FILE=${S}/${MY_PN}-tools.cabal cabal_chdeps \
619     # 'base == 3.*' 'base >= 4.2 && < 4.7'
620     #}
621     #
622     cabal_chdeps() {
623 slyfox 1.44 local cabal_fn=${MY_PN:-${PN}}.cabal
624     local cf=${CABAL_FILE:-${S}/${cabal_fn}}
625 slyfox 1.36 local from_ss # ss - substring
626     local to_ss
627     local orig_c # c - contents
628     local new_c
629    
630     [[ -f $cf ]] || die "cabal file '$cf' does not exist"
631    
632     orig_c=$(< "$cf")
633    
634     while :; do
635     from_pat=$1
636     to_str=$2
637    
638     [[ -n ${from_pat} ]] || break
639     [[ -n ${to_str} ]] || die "'${from_str}' does not have 'to' part"
640    
641 slyfox 1.37 einfo "CHDEP: '${from_pat}' -> '${to_str}'"
642    
643 slyfox 1.36 # escape pattern-like symbols
644     from_pat=${from_pat//\*/\\*}
645     from_pat=${from_pat//\[/\\[}
646    
647     new_c=${orig_c//${from_pat}/${to_str}}
648    
649     if [[ -n $CABAL_DEBUG_LOOSENING ]]; then
650     echo "${orig_c}" >"${T}/${cf}".pre
651     echo "${new_c}" >"${T}/${cf}".post
652     diff -u "${T}/${cf}".{pre,post}
653     fi
654    
655 slyfox 1.37 [[ "${orig_c}" == "${new_c}" ]] && die "no trigger for '${from_pat}'"
656 slyfox 1.36 orig_c=${new_c}
657     shift
658     shift
659     done
660    
661     echo "${new_c}" > "$cf" ||
662     die "failed to update"
663     }
664 slyfox 1.42
665     # @FUNCTION: replace-hcflags
666     # @USAGE: <old> <new>
667     # @DESCRIPTION:
668     # Replace the <old> flag with <new> in HCFLAGS. Accepts shell globs for <old>.
669     # The implementation is picked from flag-o-matic.eclass:replace-flags()
670     replace-hcflags() {
671     [[ $# != 2 ]] && die "Usage: replace-hcflags <old flag> <new flag>"
672    
673     local f new=()
674     for f in ${HCFLAGS} ; do
675     # Note this should work with globs like -O*
676     if [[ ${f} == ${1} ]]; then
677     einfo "HCFLAGS: replacing '${f}' to '${2}'"
678     f=${2}
679     fi
680     new+=( "${f}" )
681     done
682     export HCFLAGS="${new[*]}"
683    
684     return 0
685     }

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