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1# Copyright 1999-2004 Gentoo Foundation 1# Copyright 1999-2011 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/ghc-package.eclass,v 1.27 2009/03/23 20:06:19 kolmodin Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/ghc-package.eclass,v 1.29 2011/03/13 20:12:13 slyfox Exp $
4# 4#
5# Author: Andres Loeh <kosmikus@gentoo.org> 5# @ECLASS: ghc-package.eclass
6# Maintained by: Haskell herd <haskell@gentoo.org> 6# @MAINTAINER:
7# "Gentoo's Haskell Language team" <haskell@gentoo.org>
7# 8#
9# Original Author: Andres Loeh <kosmikus@gentoo.org>
10#
8# This eclass helps with the Glasgow Haskell Compiler's package 11# @BLURB: This eclass helps with the Glasgow Haskell Compiler's package configuration utility.
9# configuration utility. 12# @DESCRIPTION:
13# Helper eclass to handle ghc installation/upgrade/deinstallation process.
10 14
11inherit versionator 15inherit versionator
12 16
13# promote /opt/ghc/bin to a better position in the search path 17# @FUNCTION: ghc-getghc
14PATH="/usr/bin:/opt/ghc/bin:${PATH}" 18# @DESCRIPTION:
15
16# for later configuration using environment variables/
17# returns the name of the ghc executable 19# returns the name of the ghc executable
18ghc-getghc() { 20ghc-getghc() {
19 type -P ghc 21 type -P ghc
20} 22}
21 23
24# @FUNCTION: ghc-getghcpkg
25# @DESCRIPTION:
22# returns the name of the ghc-pkg executable 26# Internal function determines returns the name of the ghc-pkg executable
23ghc-getghcpkg() { 27ghc-getghcpkg() {
24 type -P ghc-pkg 28 type -P ghc-pkg
25} 29}
26 30
31# @FUNCTION: ghc-getghcpkgbin
32# @DESCRIPTION:
27# returns the name of the ghc-pkg binary (ghc-pkg 33# returns the name of the ghc-pkg binary (ghc-pkg
28# itself usually is a shell script, and we have to 34# itself usually is a shell script, and we have to
29# bypass the script under certain circumstances); 35# bypass the script under certain circumstances);
30# for Cabal, we add an empty global package config file, 36# for Cabal, we add an empty global package config file,
31# because for some reason the global package file 37# because for some reason the global package file
… …
42 else 48 else
43 echo "$(ghc-libdir)/ghc-pkg.bin" 49 echo "$(ghc-libdir)/ghc-pkg.bin"
44 fi 50 fi
45} 51}
46 52
53# @FUNCTION: ghc-version
54# @DESCRIPTION:
47# returns the version of ghc 55# returns the version of ghc
48_GHC_VERSION_CACHE="" 56_GHC_VERSION_CACHE=""
49ghc-version() { 57ghc-version() {
50 if [[ -z "${_GHC_VERSION_CACHE}" ]]; then 58 if [[ -z "${_GHC_VERSION_CACHE}" ]]; then
51 _GHC_VERSION_CACHE="$($(ghc-getghc) --numeric-version)" 59 _GHC_VERSION_CACHE="$($(ghc-getghc) --numeric-version)"
52 fi 60 fi
53 echo "${_GHC_VERSION_CACHE}" 61 echo "${_GHC_VERSION_CACHE}"
54} 62}
55 63
64# @FUNCTION: ghc-cabal
65# @DESCRIPTION:
56# this function can be used to determine if ghc itself 66# this function can be used to determine if ghc itself
57# uses the Cabal package format; it has nothing to do 67# uses the Cabal package format; it has nothing to do
58# with the Cabal libraries ... ghc uses the Cabal package 68# with the Cabal libraries ... ghc uses the Cabal package
59# format since version 6.4 69# format since version 6.4
60ghc-cabal() { 70ghc-cabal() {
61 version_is_at_least "6.4" "$(ghc-version)" 71 version_is_at_least "6.4" "$(ghc-version)"
62} 72}
63 73
74# @FUNCTION: ghc-bestcabalversion
75# @DESCRIPTION:
64# return the best version of the Cabal library that is available 76# return the best version of the Cabal library that is available
65ghc-bestcabalversion() { 77ghc-bestcabalversion() {
66 local cabalversion 78 local cabalversion
67 if ghc-cabal; then 79 if ghc-cabal; then
68 # We ask portage, not ghc, so that we only pick up 80 # We ask portage, not ghc, so that we only pick up
… …
73 # older ghc's don't support package versioning 85 # older ghc's don't support package versioning
74 echo Cabal 86 echo Cabal
75 fi 87 fi
76} 88}
77 89
90# @FUNCTION: ghc-sanecabal
91# @DESCRIPTION:
78# check if a standalone Cabal version is available for the 92# check if a standalone Cabal version is available for the
79# currently used ghc; takes minimal version of Cabal as 93# currently used ghc; takes minimal version of Cabal as
80# an optional argument 94# an optional argument
81ghc-sanecabal() { 95ghc-sanecabal() {
82 local f 96 local f
… …
86 [[ -f "${f}" ]] && version_is_at_least "${version}" "${f#*cabal-}" && return 100 [[ -f "${f}" ]] && version_is_at_least "${version}" "${f#*cabal-}" && return
87 done 101 done
88 return 1 102 return 1
89} 103}
90 104
105# @FUNCTION: ghc-saneghc
106# @DESCRIPTION:
91# checks if ghc and ghc-bin are installed in the same version 107# checks if ghc and ghc-bin are installed in the same version
92# (if they're both installed); if this is not the case, we 108# (if they're both installed); if this is not the case, we
93# unfortunately cannot trust portage's dependency resolution 109# unfortunately cannot trust portage's dependency resolution
94ghc-saneghc() { 110ghc-saneghc() {
95 local ghcversion 111 local ghcversion
… …
105 fi 121 fi
106 fi 122 fi
107 return 123 return
108} 124}
109 125
126# @FUNCTION: ghc-extractportageversion
127# @DESCRIPTION:
110# extract the version of a portage-installed package 128# extract the version of a portage-installed package
111ghc-extractportageversion() { 129ghc-extractportageversion() {
112 local pkg 130 local pkg
113 local version 131 local version
114 pkg="$(best_version $1)" 132 pkg="$(best_version $1)"
… …
116 version="${version%-r*}" 134 version="${version%-r*}"
117 version="${version%_pre*}" 135 version="${version%_pre*}"
118 echo "${version}" 136 echo "${version}"
119} 137}
120 138
139# @FUNCTION: ghc-libdir
140# @DESCRIPTION:
121# returns the library directory 141# returns the library directory
122_GHC_LIBDIR_CACHE="" 142_GHC_LIBDIR_CACHE=""
123ghc-libdir() { 143ghc-libdir() {
124 if [[ -z "${_GHC_LIBDIR_CACHE}" ]]; then 144 if [[ -z "${_GHC_LIBDIR_CACHE}" ]]; then
125 _GHC_LIBDIR_CACHE="$($(ghc-getghc) --print-libdir)" 145 _GHC_LIBDIR_CACHE="$($(ghc-getghc) --print-libdir)"
126 fi 146 fi
127 echo "${_GHC_LIBDIR_CACHE}" 147 echo "${_GHC_LIBDIR_CACHE}"
128} 148}
129 149
150# @FUNCTION: ghc-confdir
151# @DESCRIPTION:
130# returns the (Gentoo) library configuration directory 152# returns the (Gentoo) library configuration directory
131ghc-confdir() { 153ghc-confdir() {
132 echo "$(ghc-libdir)/gentoo" 154 echo "$(ghc-libdir)/gentoo"
133} 155}
134 156
157# @FUNCTION: ghc-localpkgconf
158# @DESCRIPTION:
135# returns the name of the local (package-specific) 159# returns the name of the local (package-specific)
136# package configuration file 160# package configuration file
137ghc-localpkgconf() { 161ghc-localpkgconf() {
138 echo "${PF}.conf" 162 echo "${PF}.conf"
139} 163}
140 164
165# @FUNCTION: ghc-makeghcilib
166# @DESCRIPTION:
141# make a ghci foo.o file from a libfoo.a file 167# make a ghci foo.o file from a libfoo.a file
142ghc-makeghcilib() { 168ghc-makeghcilib() {
143 local outfile 169 local outfile
144 outfile="$(dirname $1)/$(basename $1 | sed 's:^lib\?\(.*\)\.a$:\1.o:')" 170 outfile="$(dirname $1)/$(basename $1 | sed 's:^lib\?\(.*\)\.a$:\1.o:')"
145 ld --relocatable --discard-all --output="${outfile}" --whole-archive "$1" 171 ld --relocatable --discard-all --output="${outfile}" --whole-archive "$1"
146} 172}
147 173
174# @FUNCTION: ghc-makeghcilib
175# @DESCRIPTION:
148# tests if a ghc package exists 176# tests if a ghc package exists
149ghc-package-exists() { 177ghc-package-exists() {
150 local describe_flag 178 local describe_flag
151 if version_is_at_least "6.4" "$(ghc-version)"; then 179 if version_is_at_least "6.4" "$(ghc-version)"; then
152 describe_flag="describe" 180 describe_flag="describe"
… …
155 fi 183 fi
156 184
157 $(ghc-getghcpkg) "${describe_flag}" "$1" > /dev/null 2>&1 185 $(ghc-getghcpkg) "${describe_flag}" "$1" > /dev/null 2>&1
158} 186}
159 187
188# @FUNCTION: ghc-setup-pkg
189# @DESCRIPTION:
160# creates a local (package-specific) package 190# creates a local (package-specific) package
161# configuration file; the arguments should be 191# configuration file; the arguments should be
162# uninstalled package description files, each 192# uninstalled package description files, each
163# containing a single package description; if 193# containing a single package description; if
164# no arguments are given, the resulting file is 194# no arguments are given, the resulting file is
… …
177 $(ghc-getghcpkgbin) -f "${localpkgconf}" ${update_flag} --force \ 207 $(ghc-getghcpkgbin) -f "${localpkgconf}" ${update_flag} --force \
178 < "${pkg}" || die "failed to register ${pkg}" 208 < "${pkg}" || die "failed to register ${pkg}"
179 done 209 done
180} 210}
181 211
212# @FUNCTION: ghc-fixlibpath
213# @DESCRIPTION:
182# fixes the library and import directories path 214# fixes the library and import directories path
183# of the package configuration file 215# of the package configuration file
184ghc-fixlibpath() { 216ghc-fixlibpath() {
185 sed -i "s|$1|$(ghc-libdir)|g" "${S}/$(ghc-localpkgconf)" 217 sed -i "s|$1|$(ghc-libdir)|g" "${S}/$(ghc-localpkgconf)"
186 if [[ -n "$2" ]]; then 218 if [[ -n "$2" ]]; then
187 sed -i "s|$2|$(ghc-libdir)/imports|g" "${S}/$(ghc-localpkgconf)" 219 sed -i "s|$2|$(ghc-libdir)/imports|g" "${S}/$(ghc-localpkgconf)"
188 fi 220 fi
189} 221}
190 222
223# @FUNCTION: ghc-install-pkg
224# @DESCRIPTION:
191# moves the local (package-specific) package configuration 225# moves the local (package-specific) package configuration
192# file to its final destination 226# file to its final destination
193ghc-install-pkg() { 227ghc-install-pkg() {
194 mkdir -p "${D}/$(ghc-confdir)" 228 mkdir -p "${D}/$(ghc-confdir)"
195 cat "${S}/$(ghc-localpkgconf)" | sed "s|${D}||g" \ 229 cat "${S}/$(ghc-localpkgconf)" | sed "s|${D}||g" \
196 > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)" 230 > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
197} 231}
198 232
233# @FUNCTION: ghc-register-pkg
234# @DESCRIPTION:
199# registers all packages in the local (package-specific) 235# registers all packages in the local (package-specific)
200# package configuration file 236# package configuration file
201ghc-register-pkg() { 237ghc-register-pkg() {
202 local localpkgconf 238 local localpkgconf
203 localpkgconf="$(ghc-confdir)/$1" 239 localpkgconf="$(ghc-confdir)/$1"
… …
218 eend $? 254 eend $?
219 done 255 done
220 fi 256 fi
221} 257}
222 258
259# @FUNCTION: ghc-reregister
260# @DESCRIPTION:
223# re-adds all available .conf files to the global 261# re-adds all available .conf files to the global
224# package conf file, to be used on a ghc reinstallation 262# package conf file, to be used on a ghc reinstallation
225ghc-reregister() { 263ghc-reregister() {
264 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
226 einfo "Re-adding packages (may cause several harmless warnings) ..." 265 einfo "Re-adding packages (may cause several harmless warnings) ..."
227 PATH="/usr/bin:${PATH}" CONFDIR="$(ghc-confdir)" 266 PATH="${EPREFIX}/usr/bin:${PATH}" CONFDIR="$(ghc-confdir)"
228 if [ -d "${CONFDIR}" ]; then 267 if [ -d "${CONFDIR}" ]; then
229 pushd "${CONFDIR}" > /dev/null 268 pushd "${CONFDIR}" > /dev/null
230 for conf in *.conf; do 269 for conf in *.conf; do
231 PATH="/usr/bin:${PATH}" ghc-register-pkg "${conf}" 270 PATH="${EPREFIX}/usr/bin:${PATH}" ghc-register-pkg "${conf}"
232 done 271 done
233 popd > /dev/null 272 popd > /dev/null
234 fi 273 fi
235} 274}
236 275
276# @FUNCTION: ghc-unregister-pkg
277# @DESCRIPTION:
237# unregisters a package configuration file 278# unregisters a package configuration file
238# protected are all packages that are still contained in 279# protected are all packages that are still contained in
239# another package configuration file 280# another package configuration file
240ghc-unregister-pkg() { 281ghc-unregister-pkg() {
241 local localpkgconf 282 local localpkgconf
… …
270 fi 311 fi
271 done 312 done
272 fi 313 fi
273} 314}
274 315
316# @FUNCTION: ghc-reverse
317# @DESCRIPTION:
275# help-function: reverse a list 318# help-function: reverse a list
276ghc-reverse() { 319ghc-reverse() {
277 local result 320 local result
278 local i 321 local i
279 for i in $1; do 322 for i in $1; do
280 result="${i} ${result}" 323 result="${i} ${result}"
281 done 324 done
282 echo "${result}" 325 echo "${result}"
283} 326}
284 327
328# @FUNCTION: ghc-elem
329# @DESCRIPTION:
285# help-function: element-check 330# help-function: element-check
286ghc-elem() { 331ghc-elem() {
287 local i 332 local i
288 for i in $2; do 333 for i in $2; do
289 [[ "$1" == "${i}" ]] && return 0 334 [[ "$1" == "${i}" ]] && return 0
290 done 335 done
291 return 1 336 return 1
292} 337}
293 338
339# @FUNCTION: ghc-listpkg
340# @DESCRIPTION:
294# show the packages in a package configuration file 341# show the packages in a package configuration file
295ghc-listpkg() { 342ghc-listpkg() {
296 local ghcpkgcall 343 local ghcpkgcall
297 local i 344 local i
345 local extra_flags
346 if version_is_at_least '6.12.3' "$(ghc-version)"; then
347 extra_flags="${extra_flags} -v0"
348 fi
298 for i in $*; do 349 for i in $*; do
299 if ghc-cabal; then 350 if ghc-cabal; then
300 echo $($(ghc-getghcpkg) list -f "${i}") \ 351 echo $($(ghc-getghcpkg) list ${extra_flags} -f "${i}") \
301 | sed \ 352 | sed \
302 -e "s|^.*${i}:\([^:]*\).*$|\1|" \ 353 -e "s|^.*${i}:\([^:]*\).*$|\1|" \
303 -e "s|/.*$||" \ 354 -e "s|/.*$||" \
304 -e "s|,| |g" -e "s|[(){}]||g" 355 -e "s|,| |g" -e "s|[(){}]||g"
305 else 356 else
… …
308 | sed 's:,: :g' 359 | sed 's:,: :g'
309 fi 360 fi
310 done 361 done
311} 362}
312 363
364# @FUNCTION: ghc-package_pkg_setup
365# @DESCRIPTION:
313# exported function: check if we have a consistent ghc installation 366# exported function: check if we have a consistent ghc installation
314ghc-package_pkg_setup() { 367ghc-package_pkg_setup() {
315 if ! ghc-saneghc; then 368 if ! ghc-saneghc; then
316 eerror "You have inconsistent versions of dev-lang/ghc and dev-lang/ghc-bin" 369 eerror "You have inconsistent versions of dev-lang/ghc and dev-lang/ghc-bin"
317 eerror "installed. Portage currently cannot work correctly with this setup." 370 eerror "installed. Portage currently cannot work correctly with this setup."
… …
322 eerror "You probably want option 1 or 2." 375 eerror "You probably want option 1 or 2."
323 die "Inconsistent versions of ghc and ghc-bin." 376 die "Inconsistent versions of ghc and ghc-bin."
324 fi 377 fi
325} 378}
326 379
380# @FUNCTION: ghc-package_pkg_postinst
381# @DESCRIPTION:
327# exported function: registers the package-specific package 382# exported function: registers the package-specific package
328# configuration file 383# configuration file
329ghc-package_pkg_postinst() { 384ghc-package_pkg_postinst() {
330 ghc-register-pkg "$(ghc-localpkgconf)" 385 ghc-register-pkg "$(ghc-localpkgconf)"
331} 386}
332 387
388# @FUNCTION: ghc-package_pkg_prerm
389# @DESCRIPTION:
333# exported function: unregisters the package-specific package 390# exported function: unregisters the package-specific package
334# configuration file; a package contained therein is unregistered 391# configuration file; a package contained therein is unregistered
335# only if it the same package is not also contained in another 392# only if it the same package is not also contained in another
336# package configuration file ... 393# package configuration file ...
337ghc-package_pkg_prerm() { 394ghc-package_pkg_prerm() {
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