/[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 1.11 2005/05/11 21:26:04 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 for pkg in $*; do
94 $(ghc-getghcpkgbin) -f ${localpkgconf} -u --force \
95 < ${pkg} || die "failed to register ${pkg}"
96 done
97}
98
99# fixes the library and import directories path
100# of the package configuration file
101ghc-fixlibpath() {
102 sed -i "s|$1|$(ghc-libdir)|g" ${S}/$(ghc-localpkgconf)
103 if [[ -n "$2" ]]; then
104 sed -i "s|$2|$(ghc-libdir)/imports|g" ${S}/$(ghc-localpkgconf)
105 fi
58} 106}
59 107
60# moves the local (package-specific) package configuration 108# moves the local (package-specific) package configuration
61# file to its final destination 109# file to its final destination
62ghc-install-pkg() { 110ghc-install-pkg() {
63 mkdir -p ${D}/$(ghc-confdir) 111 mkdir -p ${D}/$(ghc-confdir)
64 cat ${S}/$(ghc-localpkgconf) | sed "s:${D}::" \ 112 cat ${S}/$(ghc-localpkgconf) | sed "s|${D}||g" \
65 > ${D}/$(ghc-confdir)/$(ghc-localpkgconf) 113 > ${D}/$(ghc-confdir)/$(ghc-localpkgconf)
66} 114}
67 115
68# registers all packages in the local (package-specific) 116# registers all packages in the local (package-specific)
69# package configuration file 117# package configuration file
70ghc-register-pkg() { 118ghc-register-pkg() {
71 local localpkgconf 119 local localpkgconf
72 localpkgconf=$(ghc-confdir)/$1 120 localpkgconf="$(ghc-confdir)/$1"
121 if [[ -f ${localpkgconf} ]]; then
73 for pkg in $(ghc-listpkg ${localpkgconf}); do 122 for pkg in $(ghc-listpkg ${localpkgconf}); do
74 einfo "Registering ${pkg} ..." 123 ebegin "Registering ${pkg} "
75 $(ghc-getghcpkgbin) -f ${localpkgconf} -s ${pkg} \ 124 $(ghc-getghcpkgbin) -f ${localpkgconf} -s ${pkg} \
76 | $(ghc-getghcpkg) -u --force 125 | $(ghc-getghcpkg) -u --force > /dev/null
126 eend $?
77 done 127 done
128 fi
78} 129}
79 130
80# re-adds all available .conf files to the global 131# re-adds all available .conf files to the global
81# package conf file, to be used on a ghc reinstallation 132# package conf file, to be used on a ghc reinstallation
82ghc-reregister() { 133ghc-reregister() {
83 einfo "Re-adding packages ..." 134 einfo "Re-adding packages ..."
84 ewarn "This may cause several warnings, but they should be harmless." 135 einfo "(This may cause several warnings, but they should be harmless.)"
136 if [ -d "$(ghc-confdir)" ]; then
85 pushd $(ghc-confdir) 137 pushd $(ghc-confdir) > /dev/null
86 for conf in *.conf; do 138 for conf in *.conf; do
87 einfo "Processing ${conf} ..." 139 einfo "Processing ${conf} ..."
88 ghc-register-pkg ${conf} 140 ghc-register-pkg ${conf}
89 done 141 done
90 popd 142 popd > /dev/null
143 fi
91} 144}
92 145
93# unregisters ... 146# unregisters ...
94ghc-unregister-pkg() { 147ghc-unregister-pkg() {
95 local localpkgconf 148 local localpkgconf
96 localpkgconf=$(ghc-confdir)/$1 149 localpkgconf="$(ghc-confdir)/$1"
150 if [[ -f ${localpkgconf} ]]; then
97 for pkg in $(ghc-reverse "$(ghc-listpkg ${localpkgconf})"); do 151 for pkg in $(ghc-reverse "$(ghc-listpkg ${localpkgconf})"); do
98 einfo "Unregistering ${pkg} ..." 152 ebegin "Unregistering ${pkg} "
99 $(ghc-getghcpkg) -r ${pkg} --force 153 $(ghc-getghcpkg) -r ${pkg} --force > /dev/null
154 eend $?
100 done 155 done
156 fi
101} 157}
102 158
103# help-function: reverse a list 159# help-function: reverse a list
104ghc-reverse() { 160ghc-reverse() {
105 local result 161 local result
… …
109 echo ${result} 165 echo ${result}
110} 166}
111 167
112# show the packages in a package configuration file 168# show the packages in a package configuration file
113ghc-listpkg() { 169ghc-listpkg() {
170 local ghcpkgcall
171 if ghc-cabal; then
172 echo $($(ghc-getghcpkg) list -f $1) \
173 | sed \
174 -e "s|^.*${f}:\([^:]*\).*$|\1|" \
175 -e "s|/.*$||" \
176 -e "s|,| |g" -e "s|[()]||g"
177 else
114 [ -f $1 ] && echo $($(ghc-getghcpkgbin) -l -f $1) \ 178 echo $($(ghc-getghcpkgbin) -l -f $1) \
115 | cut -f2 -d':' \ 179 | cut -f2 -d':' \
116 | sed 's:,: :g' 180 | sed 's:,: :g'
181 fi
117} 182}
118 183
119# exported function: registers the package-specific package 184# exported function: registers the package-specific package
120# configuration file 185# configuration file
121ghc-package_pkg_postinst() { 186ghc-package_pkg_postinst() {
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