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kosmikus |
1.1 |
# Copyright 1999-2004 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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kosmikus |
1.4 |
# $Header: /var/cvsroot/gentoo-x86/eclass/ghc-package.eclass,v 1.3 2004/11/04 13:13:59 kosmikus Exp $
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kosmikus |
1.1 |
#
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# Author: Andres Loeh <kosmikus@gentoo.org>
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#
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# This eclass helps with the Glasgow Haskell Compiler's package
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# configuration utility.
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ECLASS="ghc-package"
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INHERITED="$INHERITED $ECLASS"
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PATH="${PATH}:/opt/ghc/bin"
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# for later configuration using environment variables/
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# returns the name of the ghc executable
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ghc-getghc() {
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echo "ghc"
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}
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# returns the name of the ghc-pkg executable
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ghc-getghcpkg() {
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echo "ghc-pkg"
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}
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# returns the name of the ghc-pkg binary (ghc-pkg
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# itself usually is a shell script, and we have to
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# bypass the script under certain circumstances)
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ghc-getghcpkgbin() {
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echo $(ghc-libdir)/"ghc-pkg.bin"
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}
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# returns the version of ghc
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ghc-version() {
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$(ghc-getghc) --version | sed 's:^.*version ::'
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}
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# returns the library directory
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ghc-libdir() {
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$(ghc-getghc) --print-libdir
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}
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# returns the (Gentoo) library configuration directory
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ghc-confdir() {
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echo $(ghc-libdir)/gentoo
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}
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# returns the name of the local (package-specific)
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# package configuration file
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ghc-localpkgconf() {
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echo "${PF}.conf"
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}
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kosmikus |
1.3 |
# make a ghci foo.o file from a libfoo.a file
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ghc-makeghcilib() {
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local outfile
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outfile="$(dirname $1)/$(basename $1 | sed 's:^lib\?\(.*\)\.a$:\1.o:')"
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kosmikus |
1.4 |
ld --relocatable --discard-all --output="${outfile}" --whole-archive $1
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kosmikus |
1.3 |
}
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# creates a local (package-specific) package
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# configuration file; the arguments should be
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# uninstalled package description files, each
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# containing a single package description; if
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# no arguments are given, the resulting file is
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# empty
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kosmikus |
1.1 |
ghc-setup-pkg() {
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kosmikus |
1.3 |
local localpkgconf
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localpkgconf="${S}/$(ghc-localpkgconf)"
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echo '[' > ${localpkgconf}
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while [ -n "$1" ]; do
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cat "$1" >> ${localpkgconf}
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shift
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[ -n "$1" ] && echo ',' >> ${localpkgconf}
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done
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echo ']' >> ${localpkgconf}
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kosmikus |
1.1 |
}
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# moves the local (package-specific) package configuration
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# file to its final destination
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ghc-install-pkg() {
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mkdir -p ${D}/$(ghc-confdir)
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cat ${S}/$(ghc-localpkgconf) | sed "s:${D}::" \
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> ${D}/$(ghc-confdir)/$(ghc-localpkgconf)
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}
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# registers all packages in the local (package-specific)
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# package configuration file
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ghc-register-pkg() {
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local localpkgconf
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kosmikus |
1.3 |
localpkgconf="$(ghc-confdir)/$1"
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kosmikus |
1.1 |
for pkg in $(ghc-listpkg ${localpkgconf}); do
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einfo "Registering ${pkg} ..."
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$(ghc-getghcpkgbin) -f ${localpkgconf} -s ${pkg} \
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kosmikus |
1.2 |
| $(ghc-getghcpkg) -u --force
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kosmikus |
1.1 |
done
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}
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# re-adds all available .conf files to the global
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# package conf file, to be used on a ghc reinstallation
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ghc-reregister() {
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einfo "Re-adding packages ..."
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ewarn "This may cause several warnings, but they should be harmless."
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pushd $(ghc-confdir)
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for conf in *.conf; do
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einfo "Processing ${conf} ..."
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ghc-register-pkg ${conf}
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done
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popd
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}
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# unregisters ...
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ghc-unregister-pkg() {
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local localpkgconf
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kosmikus |
1.3 |
localpkgconf="$(ghc-confdir)/$1"
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kosmikus |
1.1 |
for pkg in $(ghc-reverse "$(ghc-listpkg ${localpkgconf})"); do
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einfo "Unregistering ${pkg} ..."
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$(ghc-getghcpkg) -r ${pkg} --force
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done
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}
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# help-function: reverse a list
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ghc-reverse() {
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local result
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for i in $1; do
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result="${i} ${result}"
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done
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echo ${result}
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}
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# show the packages in a package configuration file
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ghc-listpkg() {
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[ -f $1 ] && echo $($(ghc-getghcpkgbin) -l -f $1) \
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| cut -f2 -d':' \
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| sed 's:,: :g'
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}
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# exported function: registers the package-specific package
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# configuration file
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ghc-package_pkg_postinst() {
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ghc-register-pkg $(ghc-localpkgconf)
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}
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# exported function: unregisters the package-specific
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# package configuration file, under the condition that
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# after removal, no other instances of the package will
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# be left (necessary check because ghc packages are not
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# versioned)
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ghc-package_pkg_prerm() {
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has_version "<${CATEGORY}/${PF}" || has_version ">${CATEGORY}/${PF}" \
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|| ghc-unregister-pkg $(ghc-localpkgconf)
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}
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EXPORT_FUNCTIONS pkg_postinst pkg_prerm
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