/[gentoo-x86]/eclass/ghc-package.eclass
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1# Copyright 1999-2004 Gentoo Foundation 1# Copyright 1999-2004 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 1.2 2004/11/03 20:38:35 kosmikus Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/ghc-package.eclass,v 1.8 2005/04/07 22:00:20 kosmikus Exp $
4# 4#
5# Author: Andres Loeh <kosmikus@gentoo.org> 5# Author: Andres Loeh <kosmikus@gentoo.org>
6# 6#
7# This eclass helps with the Glasgow Haskell Compiler's package 7# This eclass helps with the Glasgow Haskell Compiler's package
8# configuration utility. 8# configuration utility.
9 9
10inherit versionator
11
10ECLASS="ghc-package" 12ECLASS="ghc-package"
11INHERITED="$INHERITED $ECLASS" 13INHERITED="${INHERITED} ${ECLASS}"
12 14
13PATH="${PATH}:/opt/ghc/bin" 15# promote /opt/ghc/bin to a better position in the search path
16PATH="/usr/bin:/opt/ghc/bin:${PATH}"
14 17
15# for later configuration using environment variables/ 18# for later configuration using environment variables/
16# returns the name of the ghc executable 19# returns the name of the ghc executable
17ghc-getghc() { 20ghc-getghc() {
18 echo "ghc" 21 echo "ghc"
23 echo "ghc-pkg" 26 echo "ghc-pkg"
24} 27}
25 28
26# returns the name of the ghc-pkg binary (ghc-pkg 29# returns the name of the ghc-pkg binary (ghc-pkg
27# itself usually is a shell script, and we have to 30# itself usually is a shell script, and we have to
28# bypass the script under certain circumstances) 31# bypass the script under certain circumstances);
32# for Cabal, we add the global package config file,
33# because for some reason that's required
29ghc-getghcpkgbin() { 34ghc-getghcpkgbin() {
35 if ghc-cabal; then
36 echo $(ghc-libdir)/"ghc-pkg.bin" "--global-conf=$(ghc-libdir)/package.conf"
37 else
30 echo $(ghc-libdir)/"ghc-pkg.bin" 38 echo $(ghc-libdir)/"ghc-pkg.bin"
39 fi
31} 40}
32 41
33# returns the version of ghc 42# returns the version of ghc
43_GHC_VERSION_CACHE=""
34ghc-version() { 44ghc-version() {
45 if [[ -z "${_GHC_VERSION_CACHE}" ]]; then
35 $(ghc-getghc) --version | sed 's:^.*version ::' 46 _GHC_VERSION_CACHE="$($(ghc-getghc) --version | sed 's:^.*version ::')"
47 fi
48 echo "${_GHC_VERSION_CACHE}"
49}
50
51# returns true for ghc >= 6.4
52ghc-cabal() {
53 version_is_at_least "6.4" "$(ghc-version)"
36} 54}
37 55
38# returns the library directory 56# returns the library directory
57_GHC_LIBDIR_CACHE=""
39ghc-libdir() { 58ghc-libdir() {
40 $(ghc-getghc) --print-libdir 59 if [[ -z "${_GHC_LIBDIR_CACHE}" ]]; then
60 _GHC_LIBDIR_CACHE="$($(ghc-getghc) --print-libdir)"
61 fi
62 echo "${_GHC_LIBDIR_CACHE}"
41} 63}
42 64
43# returns the (Gentoo) library configuration directory 65# returns the (Gentoo) library configuration directory
44ghc-confdir() { 66ghc-confdir() {
45 echo $(ghc-libdir)/gentoo 67 echo $(ghc-libdir)/gentoo
49# package configuration file 71# package configuration file
50ghc-localpkgconf() { 72ghc-localpkgconf() {
51 echo "${PF}.conf" 73 echo "${PF}.conf"
52} 74}
53 75
76# make a ghci foo.o file from a libfoo.a file
77ghc-makeghcilib() {
78 local outfile
79 outfile="$(dirname $1)/$(basename $1 | sed 's:^lib\?\(.*\)\.a$:\1.o:')"
80 ld --relocatable --discard-all --output="${outfile}" --whole-archive $1
81}
82
54# creates an empty local (package-specific) package 83# creates a local (package-specific) package
55# configuration file 84# configuration file; the arguments should be
85# uninstalled package description files, each
86# containing a single package description; if
87# no arguments are given, the resulting file is
88# empty
56ghc-setup-pkg() { 89ghc-setup-pkg() {
90 local localpkgconf
91 localpkgconf="${S}/$(ghc-localpkgconf)"
57 echo '[]' > ${S}/$(ghc-localpkgconf) 92 echo '[' > ${localpkgconf}
93 while [ -n "$1" ]; do
94 cat "$1" >> ${localpkgconf}
95 shift
96 [ -n "$1" ] && echo ',' >> ${localpkgconf}
97 done
98 echo ']' >> ${localpkgconf}
58} 99}
59 100
60# moves the local (package-specific) package configuration 101# moves the local (package-specific) package configuration
61# file to its final destination 102# file to its final destination
62ghc-install-pkg() { 103ghc-install-pkg() {
67 108
68# registers all packages in the local (package-specific) 109# registers all packages in the local (package-specific)
69# package configuration file 110# package configuration file
70ghc-register-pkg() { 111ghc-register-pkg() {
71 local localpkgconf 112 local localpkgconf
72 localpkgconf=$(ghc-confdir)/$1 113 localpkgconf="$(ghc-confdir)/$1"
114 if [[ -f ${localpkgconf} ]]; then
73 for pkg in $(ghc-listpkg ${localpkgconf}); do 115 for pkg in $(ghc-listpkg ${localpkgconf}); do
74 einfo "Registering ${pkg} ..." 116 ebegin "Registering ${pkg} "
75 $(ghc-getghcpkgbin) -f ${localpkgconf} -s ${pkg} \ 117 $(ghc-getghcpkgbin) -f ${localpkgconf} -s ${pkg} \
76 | $(ghc-getghcpkg) -u --force 118 | $(ghc-getghcpkg) -u --force > /dev/null
119 eend $?
77 done 120 done
121 fi
78} 122}
79 123
80# re-adds all available .conf files to the global 124# re-adds all available .conf files to the global
81# package conf file, to be used on a ghc reinstallation 125# package conf file, to be used on a ghc reinstallation
82ghc-reregister() { 126ghc-reregister() {
83 einfo "Re-adding packages ..." 127 einfo "Re-adding packages ..."
84 ewarn "This may cause several warnings, but they should be harmless." 128 einfo "(This may cause several warnings, but they should be harmless.)"
129 if [ -d "$(ghc-confdir)" ]; then
85 pushd $(ghc-confdir) 130 pushd $(ghc-confdir) > /dev/null
86 for conf in *.conf; do 131 for conf in *.conf; do
87 einfo "Processing ${conf} ..." 132 einfo "Processing ${conf} ..."
88 ghc-register-pkg ${conf} 133 ghc-register-pkg ${conf}
89 done 134 done
90 popd 135 popd > /dev/null
136 fi
91} 137}
92 138
93# unregisters ... 139# unregisters ...
94ghc-unregister-pkg() { 140ghc-unregister-pkg() {
95 local localpkgconf 141 local localpkgconf
96 localpkgconf=$(ghc-confdir)/$1 142 localpkgconf="$(ghc-confdir)/$1"
143 if [[ -f ${localpkgconf} ]]; then
97 for pkg in $(ghc-reverse "$(ghc-listpkg ${localpkgconf})"); do 144 for pkg in $(ghc-reverse "$(ghc-listpkg ${localpkgconf})"); do
98 einfo "Unregistering ${pkg} ..." 145 ebegin "Unregistering ${pkg} "
99 $(ghc-getghcpkg) -r ${pkg} --force 146 $(ghc-getghcpkg) -r ${pkg} --force > /dev/null
147 eend $?
100 done 148 done
149 fi
101} 150}
102 151
103# help-function: reverse a list 152# help-function: reverse a list
104ghc-reverse() { 153ghc-reverse() {
105 local result 154 local result
109 echo ${result} 158 echo ${result}
110} 159}
111 160
112# show the packages in a package configuration file 161# show the packages in a package configuration file
113ghc-listpkg() { 162ghc-listpkg() {
163 local ghcpkgcall
164 if ghc-cabal; then
165 echo $($(ghc-getghcpkg) list -f $1) \
166 | sed \
167 -e "s|^.*${f}:\([^:]*\).*$|\1|" \
168 -e "s|/.*$||" \
169 -e "s|,| |g" -e "s|[()]||g"
170 else
114 [ -f $1 ] && echo $($(ghc-getghcpkgbin) -l -f $1) \ 171 echo $($(ghc-getghcpkgbin) -l -f $1) \
115 | cut -f2 -d':' \ 172 | cut -f2 -d':' \
116 | sed 's:,: :g' 173 | sed 's:,: :g'
174 fi
117} 175}
118 176
119# exported function: registers the package-specific package 177# exported function: registers the package-specific package
120# configuration file 178# configuration file
121ghc-package_pkg_postinst() { 179ghc-package_pkg_postinst() {

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