You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
332 lines
8.9 KiB
332 lines
8.9 KiB
# Copyright 1999-2013 Gentoo Foundation
|
|
# Distributed under the terms of the GNU General Public License v2
|
|
# $Header: /var/cvsroot/gentoo-x86/eclass/ghc-package.eclass,v 1.37 2013/05/11 12:46:32 slyfox Exp $
|
|
|
|
# @ECLASS: ghc-package.eclass
|
|
# @MAINTAINER:
|
|
# "Gentoo's Haskell Language team" <haskell@gentoo.org>
|
|
# @AUTHOR:
|
|
# Original Author: Andres Loeh <kosmikus@gentoo.org>
|
|
# @BLURB: This eclass helps with the Glasgow Haskell Compiler's package configuration utility.
|
|
# @DESCRIPTION:
|
|
# Helper eclass to handle ghc installation/upgrade/deinstallation process.
|
|
|
|
inherit versionator
|
|
|
|
# @FUNCTION: ghc-getghc
|
|
# @DESCRIPTION:
|
|
# returns the name of the ghc executable
|
|
ghc-getghc() {
|
|
type -P ghc
|
|
}
|
|
|
|
# @FUNCTION: ghc-getghcpkg
|
|
# @DESCRIPTION:
|
|
# Internal function determines returns the name of the ghc-pkg executable
|
|
ghc-getghcpkg() {
|
|
type -P ghc-pkg
|
|
}
|
|
|
|
# @FUNCTION: ghc-getghcpkgbin
|
|
# @DESCRIPTION:
|
|
# returns the name of the ghc-pkg binary (ghc-pkg
|
|
# itself usually is a shell script, and we have to
|
|
# bypass the script under certain circumstances);
|
|
# for Cabal, we add an empty global package config file,
|
|
# because for some reason the global package file
|
|
# must be specified
|
|
ghc-getghcpkgbin() {
|
|
# the ghc-pkg executable changed name in ghc 6.10, as it no longer needs
|
|
# the wrapper script with the static flags
|
|
echo '[]' > "${T}/empty.conf"
|
|
if version_is_at_least "7.7.20121101" "$(ghc-version)"; then
|
|
# was moved to bin/ subtree by:
|
|
# http://www.haskell.org/pipermail/cvs-ghc/2012-September/076546.html
|
|
echo "$(ghc-libdir)/bin/ghc-pkg" "--global-package-db=${T}/empty.conf"
|
|
elif version_is_at_least "7.5.20120516" "$(ghc-version)"; then
|
|
echo "$(ghc-libdir)/ghc-pkg" "--global-package-db=${T}/empty.conf"
|
|
else
|
|
echo "$(ghc-libdir)/ghc-pkg" "--global-conf=${T}/empty.conf"
|
|
fi
|
|
}
|
|
|
|
# @FUNCTION: ghc-version
|
|
# @DESCRIPTION:
|
|
# returns the version of ghc
|
|
_GHC_VERSION_CACHE=""
|
|
ghc-version() {
|
|
if [[ -z "${_GHC_VERSION_CACHE}" ]]; then
|
|
_GHC_VERSION_CACHE="$($(ghc-getghc) --numeric-version)"
|
|
fi
|
|
echo "${_GHC_VERSION_CACHE}"
|
|
}
|
|
|
|
# @FUNCTION: ghc-bestcabalversion
|
|
# @DESCRIPTION:
|
|
# return the best version of the Cabal library that is available
|
|
ghc-bestcabalversion() {
|
|
# We ask portage, not ghc, so that we only pick up
|
|
# portage-installed cabal versions.
|
|
local cabalversion="$(ghc-extractportageversion dev-haskell/cabal)"
|
|
echo "Cabal-${cabalversion}"
|
|
}
|
|
|
|
# @FUNCTION: ghc-sanecabal
|
|
# @DESCRIPTION:
|
|
# check if a standalone Cabal version is available for the
|
|
# currently used ghc; takes minimal version of Cabal as
|
|
# an optional argument
|
|
ghc-sanecabal() {
|
|
local f
|
|
local version
|
|
if [[ -z "$1" ]]; then version="1.0.1"; else version="$1"; fi
|
|
for f in $(ghc-confdir)/cabal-*; do
|
|
[[ -f "${f}" ]] && version_is_at_least "${version}" "${f#*cabal-}" && return
|
|
done
|
|
return 1
|
|
}
|
|
|
|
# @FUNCTION: ghc-supports-shared-libraries
|
|
# @DESCRIPTION:
|
|
# checks if ghc is built with support for building
|
|
# shared libraries (aka '-dynamic' option)
|
|
ghc-supports-shared-libraries() {
|
|
$(ghc-getghc) --info | grep "RTS ways" | grep -q "dyn"
|
|
}
|
|
|
|
# @FUNCTION: ghc-supports-threaded-runtime
|
|
# @DESCRIPTION:
|
|
# checks if ghc is built with support for threaded
|
|
# runtime (aka '-threaded' option)
|
|
ghc-supports-threaded-runtime() {
|
|
$(ghc-getghc) --info | grep "RTS ways" | grep -q "thr"
|
|
}
|
|
|
|
# @FUNCTION: ghc-supports-smp
|
|
# @DESCRIPTION:
|
|
# checks if ghc is built with support for multiple cores runtime
|
|
ghc-supports-smp() {
|
|
$(ghc-getghc) --info | grep "Support SMP" | grep -q "YES"
|
|
}
|
|
|
|
# @FUNCTION: ghc-supports-dynamic-by-default
|
|
# @DESCRIPTION:
|
|
# checks if ghc link against shared haskell libraries by default
|
|
ghc-supports-dynamic-by-default() {
|
|
$(ghc-getghc) --info | grep "Dynamic by default" | grep -q "YES"
|
|
}
|
|
|
|
|
|
# @FUNCTION: ghc-extractportageversion
|
|
# @DESCRIPTION:
|
|
# extract the version of a portage-installed package
|
|
ghc-extractportageversion() {
|
|
local pkg
|
|
local version
|
|
pkg="$(best_version $1)"
|
|
version="${pkg#$1-}"
|
|
version="${version%-r*}"
|
|
version="${version%_pre*}"
|
|
echo "${version}"
|
|
}
|
|
|
|
# @FUNCTION: ghc-libdir
|
|
# @DESCRIPTION:
|
|
# returns the library directory
|
|
_GHC_LIBDIR_CACHE=""
|
|
ghc-libdir() {
|
|
if [[ -z "${_GHC_LIBDIR_CACHE}" ]]; then
|
|
_GHC_LIBDIR_CACHE="$($(ghc-getghc) --print-libdir)"
|
|
fi
|
|
echo "${_GHC_LIBDIR_CACHE}"
|
|
}
|
|
|
|
# @FUNCTION: ghc-confdir
|
|
# @DESCRIPTION:
|
|
# returns the (Gentoo) library configuration directory
|
|
ghc-confdir() {
|
|
echo "$(ghc-libdir)/gentoo"
|
|
}
|
|
|
|
# @FUNCTION: ghc-localpkgconf
|
|
# @DESCRIPTION:
|
|
# returns the name of the local (package-specific)
|
|
# package configuration file
|
|
ghc-localpkgconf() {
|
|
echo "${PF}.conf"
|
|
}
|
|
|
|
# @FUNCTION: ghc-makeghcilib
|
|
# @DESCRIPTION:
|
|
# make a ghci foo.o file from a libfoo.a file
|
|
ghc-makeghcilib() {
|
|
local outfile
|
|
outfile="$(dirname $1)/$(basename $1 | sed 's:^lib\?\(.*\)\.a$:\1.o:')"
|
|
ld --relocatable --discard-all --output="${outfile}" --whole-archive "$1"
|
|
}
|
|
|
|
# @FUNCTION: ghc-package-exists
|
|
# @DESCRIPTION:
|
|
# tests if a ghc package exists
|
|
ghc-package-exists() {
|
|
$(ghc-getghcpkg) describe "$1" > /dev/null 2>&1
|
|
}
|
|
|
|
# @FUNCTION: ghc-setup-pkg
|
|
# @DESCRIPTION:
|
|
# creates a local (package-specific) package
|
|
# configuration file; the arguments should be
|
|
# uninstalled package description files, each
|
|
# containing a single package description; if
|
|
# no arguments are given, the resulting file is
|
|
# empty
|
|
ghc-setup-pkg() {
|
|
local localpkgconf="${S}/$(ghc-localpkgconf)"
|
|
echo '[]' > "${localpkgconf}"
|
|
|
|
for pkg in $*; do
|
|
$(ghc-getghcpkgbin) -f "${localpkgconf}" update - --force \
|
|
< "${pkg}" || die "failed to register ${pkg}"
|
|
done
|
|
}
|
|
|
|
# @FUNCTION: ghc-fixlibpath
|
|
# @DESCRIPTION:
|
|
# fixes the library and import directories path
|
|
# of the package configuration file
|
|
ghc-fixlibpath() {
|
|
sed -i "s|$1|$(ghc-libdir)|g" "${S}/$(ghc-localpkgconf)"
|
|
if [[ -n "$2" ]]; then
|
|
sed -i "s|$2|$(ghc-libdir)/imports|g" "${S}/$(ghc-localpkgconf)"
|
|
fi
|
|
}
|
|
|
|
# @FUNCTION: ghc-install-pkg
|
|
# @DESCRIPTION:
|
|
# moves the local (package-specific) package configuration
|
|
# file to its final destination
|
|
ghc-install-pkg() {
|
|
mkdir -p "${D}/$(ghc-confdir)"
|
|
cat "${S}/$(ghc-localpkgconf)" | sed "s|${D}||g" \
|
|
> "${D}/$(ghc-confdir)/$(ghc-localpkgconf)"
|
|
}
|
|
|
|
# @FUNCTION: ghc-register-pkg
|
|
# @DESCRIPTION:
|
|
# registers all packages in the local (package-specific)
|
|
# package configuration file
|
|
ghc-register-pkg() {
|
|
local localpkgconf="$(ghc-confdir)/$1"
|
|
|
|
if [[ -f "${localpkgconf}" ]]; then
|
|
for pkg in $(ghc-listpkg "${localpkgconf}"); do
|
|
ebegin "Registering ${pkg} "
|
|
$(ghc-getghcpkgbin) -f "${localpkgconf}" describe "${pkg}" \
|
|
| $(ghc-getghcpkg) update - --force > /dev/null
|
|
eend $?
|
|
done
|
|
fi
|
|
}
|
|
|
|
# @FUNCTION: ghc-reregister
|
|
# @DESCRIPTION:
|
|
# re-adds all available .conf files to the global
|
|
# package conf file, to be used on a ghc reinstallation
|
|
ghc-reregister() {
|
|
has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
|
|
einfo "Re-adding packages (may cause several harmless warnings) ..."
|
|
PATH="${EPREFIX}/usr/bin:${PATH}" CONFDIR="$(ghc-confdir)"
|
|
if [ -d "${CONFDIR}" ]; then
|
|
pushd "${CONFDIR}" > /dev/null
|
|
for conf in *.conf; do
|
|
PATH="${EPREFIX}/usr/bin:${PATH}" ghc-register-pkg "${conf}"
|
|
done
|
|
popd > /dev/null
|
|
fi
|
|
}
|
|
|
|
# @FUNCTION: ghc-unregister-pkg
|
|
# @DESCRIPTION:
|
|
# unregisters a package configuration file
|
|
# protected are all packages that are still contained in
|
|
# another package configuration file
|
|
ghc-unregister-pkg() {
|
|
local localpkgconf="$(ghc-confdir)/$1"
|
|
local i
|
|
local pkg
|
|
|
|
if [[ -f "${localpkgconf}" ]]; then
|
|
for pkg in $(ghc-reverse "$(ghc-listpkg ${localpkgconf})"); do
|
|
if ! ghc-package-exists "${pkg}"; then
|
|
einfo "Package ${pkg} is not installed for ghc-$(ghc-version)."
|
|
else
|
|
ebegin "Unregistering ${pkg} "
|
|
$(ghc-getghcpkg) unregister "${pkg}" --force > /dev/null
|
|
eend $?
|
|
fi
|
|
done
|
|
fi
|
|
}
|
|
|
|
# @FUNCTION: ghc-reverse
|
|
# @DESCRIPTION:
|
|
# help-function: reverse a list
|
|
ghc-reverse() {
|
|
local result
|
|
local i
|
|
for i in $1; do
|
|
result="${i} ${result}"
|
|
done
|
|
echo "${result}"
|
|
}
|
|
|
|
# @FUNCTION: ghc-elem
|
|
# @DESCRIPTION:
|
|
# help-function: element-check
|
|
ghc-elem() {
|
|
local i
|
|
for i in $2; do
|
|
[[ "$1" == "${i}" ]] && return 0
|
|
done
|
|
return 1
|
|
}
|
|
|
|
# @FUNCTION: ghc-listpkg
|
|
# @DESCRIPTION:
|
|
# show the packages in a package configuration file
|
|
ghc-listpkg() {
|
|
local ghcpkgcall
|
|
local i
|
|
local extra_flags
|
|
if version_is_at_least '6.12.3' "$(ghc-version)"; then
|
|
extra_flags="${extra_flags} -v0"
|
|
fi
|
|
for i in $*; do
|
|
echo $($(ghc-getghcpkg) list ${extra_flags} -f "${i}") \
|
|
| sed \
|
|
-e "s|^.*${i}:\([^:]*\).*$|\1|" \
|
|
-e "s|/.*$||" \
|
|
-e "s|,| |g" -e "s|[(){}]||g"
|
|
done
|
|
}
|
|
|
|
# @FUNCTION: ghc-package_pkg_postinst
|
|
# @DESCRIPTION:
|
|
# exported function: registers the package-specific package
|
|
# configuration file
|
|
ghc-package_pkg_postinst() {
|
|
ghc-register-pkg "$(ghc-localpkgconf)"
|
|
}
|
|
|
|
# @FUNCTION: ghc-package_pkg_prerm
|
|
# @DESCRIPTION:
|
|
# exported function: unregisters the package-specific package
|
|
# configuration file; a package contained therein is unregistered
|
|
# only if it the same package is not also contained in another
|
|
# package configuration file ...
|
|
ghc-package_pkg_prerm() {
|
|
ghc-unregister-pkg "$(ghc-localpkgconf)"
|
|
}
|
|
|
|
EXPORT_FUNCTIONS pkg_postinst pkg_prerm
|