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Diffstat (limited to 'eclass/gnuconfig.eclass')
-rw-r--r-- | eclass/gnuconfig.eclass | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/eclass/gnuconfig.eclass b/eclass/gnuconfig.eclass new file mode 100644 index 000000000000..f43647ef6fd9 --- /dev/null +++ b/eclass/gnuconfig.eclass @@ -0,0 +1,98 @@ +# Copyright 1999-2012 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 +# +# THIS ECLASS IS DEAD: It has been integrated into portage +# +# Author: Will Woods <wwoods@gentoo.org> +# +# This eclass is used to automatically update files that typically come with +# automake to the newest version available on the system. The most common use +# of this is to update config.guess and config.sub when configure dies from +# misguessing your canonical system name (CHOST). It can also be used to update +# other files that come with automake, e.g. depcomp, mkinstalldirs, etc. +# +# usage: gnuconfig_update [file1 file2 ...] +# if called without arguments, config.guess and config.sub will be updated. +# All files in the source tree ($S) with the given name(s) will be replaced +# with the newest available versions chosen from the list of locations in +# gnuconfig_findnewest(), below. +# +# gnuconfig_update should generally be called from src_unpack() + + +DEPEND="sys-devel/gnuconfig" + +# Wrapper function for gnuconfig_do_update. If no arguments are given, update +# config.sub and config.guess (old default behavior), otherwise update the +# named files. +gnuconfig_update() { + +# hmm some packages (like binutils gcc glibc) still use this ... +# echo +# ewarn "QA Notice: Please stop using me, portage updates files for you." +# echo + + local startdir # declared here ... used in gnuconfig_do_update + + if [[ $1 == /* ]] ; then + startdir=$1 + shift + else + startdir=${S} + fi + + if [[ $# -gt 0 ]] ; then + gnuconfig_do_update "$@" + else + gnuconfig_do_update config.sub config.guess + fi + + return $? +} + +# Copy the newest available version of specified files over any old ones in the +# source dir. This function shouldn't be called directly - use gnuconfig_update +# +# Note that since bash using dynamic scoping, startdir is available here from +# the gnuconfig_update function +gnuconfig_do_update() { + local configsubs_dir target targetlist file + + [[ $# -eq 0 ]] && die "do not call gnuconfig_do_update; use gnuconfig_update" + + configsubs_dir=$(gnuconfig_findnewest) + einfo "Using GNU config files from ${configsubs_dir}" + for file in "$@" ; do + if [[ ! -r ${configsubs_dir}/${file} ]] ; then + eerror "Can't read ${configsubs_dir}/${file}, skipping.." + continue + fi + targetlist=$(find "${startdir}" -name "${file}") + if [[ -n ${targetlist} ]] ; then + for target in ${targetlist} ; do + [[ -L ${target} ]] && rm -f "${target}" + einfo " Updating ${target/$startdir\//}" + cp -f "${configsubs_dir}/${file}" "${target}" + eend $? + done + else + ewarn " No ${file} found in ${startdir}, skipping ..." + fi + done + + return 0 +} + +# this searches the standard locations for the newest config.{sub|guess}, and +# returns the directory where they can be found. +gnuconfig_findnewest() { + local locations=( + "${EPREFIX}"/usr/share/misc/config.sub + "${EPREFIX}"/usr/share/gnuconfig/config.sub + "${EPREFIX}"/usr/share/automake*/config.sub + "${EPREFIX}"/usr/share/libtool/config.sub + ) + grep -s '^timestamp' "${locations[@]}" | \ + sort -r -n -t\' -k2 | \ + sed -n '1{s,/config.sub:.*$,,;p;q}' +} |