/[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 1.6 2005/03/18 23:31:48 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" 15PATH="${PATH}:/opt/ghc/bin"
14 16
15# for later configuration using environment variables/ 17# for later configuration using environment variables/
16# returns the name of the ghc executable 18# returns the name of the ghc executable
23 echo "ghc-pkg" 25 echo "ghc-pkg"
24} 26}
25 27
26# returns the name of the ghc-pkg binary (ghc-pkg 28# returns the name of the ghc-pkg binary (ghc-pkg
27# itself usually is a shell script, and we have to 29# itself usually is a shell script, and we have to
28# bypass the script under certain circumstances) 30# bypass the script under certain circumstances);
31# for Cabal, we add the global package config file,
32# because for some reason that's required
29ghc-getghcpkgbin() { 33ghc-getghcpkgbin() {
34 if ghc-cabal; then
35 echo $(ghc-libdir)/"ghc-pkg.bin" "--global-conf=$(ghc-libdir)/package.conf"
36 else
30 echo $(ghc-libdir)/"ghc-pkg.bin" 37 echo $(ghc-libdir)/"ghc-pkg.bin"
38 fi
31} 39}
32 40
33# returns the version of ghc 41# returns the version of ghc
42_GHC_VERSION_CACHE=""
34ghc-version() { 43ghc-version() {
44 if [[ -z "${_GHC_VERSION_CACHE}" ]]; then
35 $(ghc-getghc) --version | sed 's:^.*version ::' 45 _GHC_VERSION_CACHE="$($(ghc-getghc) --version | sed 's:^.*version ::')"
46 fi
47 echo "${_GHC_VERSION_CACHE}"
48}
49
50# returns true for ghc >= 6.4
51ghc-cabal() {
52 version_is_at_least "6.4" "$(ghc-version)"
36} 53}
37 54
38# returns the library directory 55# returns the library directory
56_GHC_LIBDIR_CACHE=""
39ghc-libdir() { 57ghc-libdir() {
40 $(ghc-getghc) --print-libdir 58 if [[ -z "${_GHC_LIBDIR_CACHE}" ]]; then
59 _GHC_LIBDIR_CACHE="$($(ghc-getghc) --print-libdir)"
60 fi
61 echo "${_GHC_LIBDIR_CACHE}"
41} 62}
42 63
43# returns the (Gentoo) library configuration directory 64# returns the (Gentoo) library configuration directory
44ghc-confdir() { 65ghc-confdir() {
45 echo $(ghc-libdir)/gentoo 66 echo $(ghc-libdir)/gentoo
49# package configuration file 70# package configuration file
50ghc-localpkgconf() { 71ghc-localpkgconf() {
51 echo "${PF}.conf" 72 echo "${PF}.conf"
52} 73}
53 74
75# make a ghci foo.o file from a libfoo.a file
76ghc-makeghcilib() {
77 local outfile
78 outfile="$(dirname $1)/$(basename $1 | sed 's:^lib\?\(.*\)\.a$:\1.o:')"
79 ld --relocatable --discard-all --output="${outfile}" --whole-archive $1
80}
81
54# creates an empty local (package-specific) package 82# creates a local (package-specific) package
55# configuration file 83# configuration file; the arguments should be
84# uninstalled package description files, each
85# containing a single package description; if
86# no arguments are given, the resulting file is
87# empty
56ghc-setup-pkg() { 88ghc-setup-pkg() {
89 local localpkgconf
90 localpkgconf="${S}/$(ghc-localpkgconf)"
57 echo '[]' > ${S}/$(ghc-localpkgconf) 91 echo '[' > ${localpkgconf}
92 while [ -n "$1" ]; do
93 cat "$1" >> ${localpkgconf}
94 shift
95 [ -n "$1" ] && echo ',' >> ${localpkgconf}
96 done
97 echo ']' >> ${localpkgconf}
58} 98}
59 99
60# moves the local (package-specific) package configuration 100# moves the local (package-specific) package configuration
61# file to its final destination 101# file to its final destination
62ghc-install-pkg() { 102ghc-install-pkg() {
67 107
68# registers all packages in the local (package-specific) 108# registers all packages in the local (package-specific)
69# package configuration file 109# package configuration file
70ghc-register-pkg() { 110ghc-register-pkg() {
71 local localpkgconf 111 local localpkgconf
72 localpkgconf=$(ghc-confdir)/$1 112 localpkgconf="$(ghc-confdir)/$1"
73 for pkg in $(ghc-listpkg ${localpkgconf}); do 113 for pkg in $(ghc-listpkg ${localpkgconf}); do
74 einfo "Registering ${pkg} ..." 114 einfo "Registering ${pkg} ..."
75 $(ghc-getghcpkgbin) -f ${localpkgconf} -s ${pkg} \ 115 $(ghc-getghcpkgbin) -f ${localpkgconf} -s ${pkg} \
76 | $(ghc-getghcpkg) -u --force 116 | $(ghc-getghcpkg) -u --force
77 done 117 done
80# re-adds all available .conf files to the global 120# re-adds all available .conf files to the global
81# package conf file, to be used on a ghc reinstallation 121# package conf file, to be used on a ghc reinstallation
82ghc-reregister() { 122ghc-reregister() {
83 einfo "Re-adding packages ..." 123 einfo "Re-adding packages ..."
84 ewarn "This may cause several warnings, but they should be harmless." 124 ewarn "This may cause several warnings, but they should be harmless."
125 if [ -d "$(ghc-confdir)" ]; then
85 pushd $(ghc-confdir) 126 pushd $(ghc-confdir)
86 for conf in *.conf; do 127 for conf in *.conf; do
87 einfo "Processing ${conf} ..." 128 einfo "Processing ${conf} ..."
88 ghc-register-pkg ${conf} 129 ghc-register-pkg ${conf}
89 done 130 done
90 popd 131 popd
132 fi
91} 133}
92 134
93# unregisters ... 135# unregisters ...
94ghc-unregister-pkg() { 136ghc-unregister-pkg() {
95 local localpkgconf 137 local localpkgconf
96 localpkgconf=$(ghc-confdir)/$1 138 localpkgconf="$(ghc-confdir)/$1"
97 for pkg in $(ghc-reverse "$(ghc-listpkg ${localpkgconf})"); do 139 for pkg in $(ghc-reverse "$(ghc-listpkg ${localpkgconf})"); do
98 einfo "Unregistering ${pkg} ..." 140 einfo "Unregistering ${pkg} ..."
99 $(ghc-getghcpkg) -r ${pkg} --force 141 $(ghc-getghcpkg) -r ${pkg} --force
100 done 142 done
101} 143}
109 echo ${result} 151 echo ${result}
110} 152}
111 153
112# show the packages in a package configuration file 154# show the packages in a package configuration file
113ghc-listpkg() { 155ghc-listpkg() {
156 local ghcpkgcall
157 if ghc-cabal; then
158 echo $($(ghc-getghcpkg) list -f $1) \
159 | sed \
160 -e "s|^.*${f}:\([^:]*\).*$|\1|" \
161 -e "s|/.*$||" \
162 -e "s|,| |g" -e "s|[()]||g"
163 else
114 [ -f $1 ] && echo $($(ghc-getghcpkgbin) -l -f $1) \ 164 echo $($(ghc-getghcpkgbin) -l -f $1) \
115 | cut -f2 -d':' \ 165 | cut -f2 -d':' \
116 | sed 's:,: :g' 166 | sed 's:,: :g'
167 fi
117} 168}
118 169
119# exported function: registers the package-specific package 170# exported function: registers the package-specific package
120# configuration file 171# configuration file
121ghc-package_pkg_postinst() { 172ghc-package_pkg_postinst() {

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