/[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 1.3 2004/11/04 13:13:59 kosmikus Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/ghc-package.eclass,v 1.14 2005/07/11 15:08:06 swegener 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
10ECLASS="ghc-package" 10inherit versionator
11INHERITED="$INHERITED $ECLASS"
12 11
13PATH="${PATH}:/opt/ghc/bin" 12
13# promote /opt/ghc/bin to a better position in the search path
14PATH="/usr/bin:/opt/ghc/bin:${PATH}"
14 15
15# for later configuration using environment variables/ 16# for later configuration using environment variables/
16# returns the name of the ghc executable 17# returns the name of the ghc executable
17ghc-getghc() { 18ghc-getghc() {
18 echo "ghc" 19 echo "ghc"
23 echo "ghc-pkg" 24 echo "ghc-pkg"
24} 25}
25 26
26# returns the name of the ghc-pkg binary (ghc-pkg 27# returns the name of the ghc-pkg binary (ghc-pkg
27# itself usually is a shell script, and we have to 28# itself usually is a shell script, and we have to
28# bypass the script under certain circumstances) 29# bypass the script under certain circumstances);
30# for Cabal, we add the global package config file,
31# because for some reason that's required
29ghc-getghcpkgbin() { 32ghc-getghcpkgbin() {
33 if ghc-cabal; then
34 echo $(ghc-libdir)/"ghc-pkg.bin" "--global-conf=$(ghc-libdir)/package.conf"
35 else
30 echo $(ghc-libdir)/"ghc-pkg.bin" 36 echo $(ghc-libdir)/"ghc-pkg.bin"
37 fi
31} 38}
32 39
33# returns the version of ghc 40# returns the version of ghc
41_GHC_VERSION_CACHE=""
34ghc-version() { 42ghc-version() {
43 if [[ -z "${_GHC_VERSION_CACHE}" ]]; then
35 $(ghc-getghc) --version | sed 's:^.*version ::' 44 _GHC_VERSION_CACHE="$($(ghc-getghc) --version | sed 's:^.*version ::')"
45 fi
46 echo "${_GHC_VERSION_CACHE}"
47}
48
49# returns true for ghc >= 6.4
50ghc-cabal() {
51 version_is_at_least "6.4" "$(ghc-version)"
36} 52}
37 53
38# returns the library directory 54# returns the library directory
55_GHC_LIBDIR_CACHE=""
39ghc-libdir() { 56ghc-libdir() {
40 $(ghc-getghc) --print-libdir 57 if [[ -z "${_GHC_LIBDIR_CACHE}" ]]; then
58 _GHC_LIBDIR_CACHE="$($(ghc-getghc) --print-libdir)"
59 fi
60 echo "${_GHC_LIBDIR_CACHE}"
41} 61}
42 62
43# returns the (Gentoo) library configuration directory 63# returns the (Gentoo) library configuration directory
44ghc-confdir() { 64ghc-confdir() {
45 echo $(ghc-libdir)/gentoo 65 echo $(ghc-libdir)/gentoo
53 73
54# make a ghci foo.o file from a libfoo.a file 74# make a ghci foo.o file from a libfoo.a file
55ghc-makeghcilib() { 75ghc-makeghcilib() {
56 local outfile 76 local outfile
57 outfile="$(dirname $1)/$(basename $1 | sed 's:^lib\?\(.*\)\.a$:\1.o:')" 77 outfile="$(dirname $1)/$(basename $1 | sed 's:^lib\?\(.*\)\.a$:\1.o:')"
58 ld --relocatable --discard-all --output="${outfile}" $1 78 ld --relocatable --discard-all --output="${outfile}" --whole-archive $1
59} 79}
60 80
61# creates a local (package-specific) package 81# creates a local (package-specific) package
62# configuration file; the arguments should be 82# configuration file; the arguments should be
63# uninstalled package description files, each 83# uninstalled package description files, each
65# no arguments are given, the resulting file is 85# no arguments are given, the resulting file is
66# empty 86# empty
67ghc-setup-pkg() { 87ghc-setup-pkg() {
68 local localpkgconf 88 local localpkgconf
69 localpkgconf="${S}/$(ghc-localpkgconf)" 89 localpkgconf="${S}/$(ghc-localpkgconf)"
70 echo '[' > ${localpkgconf} 90 echo '[]' > ${localpkgconf}
71 while [ -n "$1" ]; do 91 for pkg in $*; do
72 cat "$1" >> ${localpkgconf} 92 $(ghc-getghcpkgbin) -f ${localpkgconf} -u --force \
73 shift 93 < ${pkg} || die "failed to register ${pkg}"
74 [ -n "$1" ] && echo ',' >> ${localpkgconf}
75 done 94 done
76 echo ']' >> ${localpkgconf} 95}
96
97# fixes the library and import directories path
98# of the package configuration file
99ghc-fixlibpath() {
100 sed -i "s|$1|$(ghc-libdir)|g" ${S}/$(ghc-localpkgconf)
101 if [[ -n "$2" ]]; then
102 sed -i "s|$2|$(ghc-libdir)/imports|g" ${S}/$(ghc-localpkgconf)
103 fi
77} 104}
78 105
79# moves the local (package-specific) package configuration 106# moves the local (package-specific) package configuration
80# file to its final destination 107# file to its final destination
81ghc-install-pkg() { 108ghc-install-pkg() {
82 mkdir -p ${D}/$(ghc-confdir) 109 mkdir -p ${D}/$(ghc-confdir)
83 cat ${S}/$(ghc-localpkgconf) | sed "s:${D}::" \ 110 cat ${S}/$(ghc-localpkgconf) | sed "s|${D}||g" \
84 > ${D}/$(ghc-confdir)/$(ghc-localpkgconf) 111 > ${D}/$(ghc-confdir)/$(ghc-localpkgconf)
85} 112}
86 113
87# registers all packages in the local (package-specific) 114# registers all packages in the local (package-specific)
88# package configuration file 115# package configuration file
89ghc-register-pkg() { 116ghc-register-pkg() {
90 local localpkgconf 117 local localpkgconf
91 localpkgconf="$(ghc-confdir)/$1" 118 localpkgconf="$(ghc-confdir)/$1"
119 if [[ -f ${localpkgconf} ]]; then
92 for pkg in $(ghc-listpkg ${localpkgconf}); do 120 for pkg in $(ghc-listpkg ${localpkgconf}); do
93 einfo "Registering ${pkg} ..." 121 ebegin "Registering ${pkg} "
94 $(ghc-getghcpkgbin) -f ${localpkgconf} -s ${pkg} \ 122 $(ghc-getghcpkgbin) -f ${localpkgconf} -s ${pkg} \
95 | $(ghc-getghcpkg) -u --force 123 | $(ghc-getghcpkg) -u --force > /dev/null
124 eend $?
96 done 125 done
126 fi
97} 127}
98 128
99# re-adds all available .conf files to the global 129# re-adds all available .conf files to the global
100# package conf file, to be used on a ghc reinstallation 130# package conf file, to be used on a ghc reinstallation
101ghc-reregister() { 131ghc-reregister() {
102 einfo "Re-adding packages ..." 132 einfo "Re-adding packages ..."
103 ewarn "This may cause several warnings, but they should be harmless." 133 einfo "(This may cause several warnings, but they should be harmless.)"
134 if [ -d "$(ghc-confdir)" ]; then
104 pushd $(ghc-confdir) 135 pushd $(ghc-confdir) > /dev/null
105 for conf in *.conf; do 136 for conf in *.conf; do
106 einfo "Processing ${conf} ..." 137 einfo "Processing ${conf} ..."
107 ghc-register-pkg ${conf} 138 ghc-register-pkg ${conf}
108 done 139 done
109 popd 140 popd > /dev/null
141 fi
110} 142}
111 143
112# unregisters ... 144# unregisters ...
113ghc-unregister-pkg() { 145ghc-unregister-pkg() {
114 local localpkgconf 146 local localpkgconf
115 localpkgconf="$(ghc-confdir)/$1" 147 localpkgconf="$(ghc-confdir)/$1"
148 if [[ -f ${localpkgconf} ]]; then
116 for pkg in $(ghc-reverse "$(ghc-listpkg ${localpkgconf})"); do 149 for pkg in $(ghc-reverse "$(ghc-listpkg ${localpkgconf})"); do
117 einfo "Unregistering ${pkg} ..." 150 ebegin "Unregistering ${pkg} "
118 $(ghc-getghcpkg) -r ${pkg} --force 151 $(ghc-getghcpkg) -r ${pkg} --force > /dev/null
152 eend $?
119 done 153 done
154 fi
120} 155}
121 156
122# help-function: reverse a list 157# help-function: reverse a list
123ghc-reverse() { 158ghc-reverse() {
124 local result 159 local result
128 echo ${result} 163 echo ${result}
129} 164}
130 165
131# show the packages in a package configuration file 166# show the packages in a package configuration file
132ghc-listpkg() { 167ghc-listpkg() {
168 local ghcpkgcall
169 if ghc-cabal; then
170 echo $($(ghc-getghcpkg) list -f $1) \
171 | sed \
172 -e "s|^.*${f}:\([^:]*\).*$|\1|" \
173 -e "s|/.*$||" \
174 -e "s|,| |g" -e "s|[()]||g"
175 else
133 [ -f $1 ] && echo $($(ghc-getghcpkgbin) -l -f $1) \ 176 echo $($(ghc-getghcpkgbin) -l -f $1) \
134 | cut -f2 -d':' \ 177 | cut -f2 -d':' \
135 | sed 's:,: :g' 178 | sed 's:,: :g'
179 fi
136} 180}
137 181
138# exported function: registers the package-specific package 182# exported function: registers the package-specific package
139# configuration file 183# configuration file
140ghc-package_pkg_postinst() { 184ghc-package_pkg_postinst() {

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