polynomial-c 15/01/07 21:24:41 Added: am-wrapper-10.sh Log: Version bump for automake-1.15 (Portage version: 2.2.15/cvs/Linux x86_64, signed Manifest commit with key 0x981CA6FC)
Revision Changes Path 1.1 sys-devel/automake-wrapper/files/am-wrapper-10.sh file : http://sources.gentoo.org/viewvc.cgi/gentoo-x86/sys-devel/automake-wrapper/files/am-wrapper-10.sh?rev=1.1&view=markup plain: http://sources.gentoo.org/viewvc.cgi/gentoo-x86/sys-devel/automake-wrapper/files/am-wrapper-10.sh?rev=1.1&content-type=text/plain Index: am-wrapper-10.sh =================================================================== #!/bin/sh # Copyright 1999-2015 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 # $Header: /var/cvsroot/gentoo-x86/sys-devel/automake-wrapper/files/am-wrapper-10.sh,v 1.1 2015/01/07 21:24:41 polynomial-c Exp $ # Executes the correct automake version. # # If WANT_AUTOMAKE is set (can be a whitespace delimited list of versions): # - attempt to find an installed version using those # - if magic keyword 'latest' is found, pick the latest version that exists # - if nothing found, warn, and proceed as if WANT_AUTOMAKE was not set (below) # If WANT_AUTOMAKE is not set: # - Try to detect the version of automake used to generate things (look at # Makefile.in and aclocal.m4 and any other useful file) # - If detected version is not found, warn and proceed as if blank slate # - Try to locate the latest version of automake that exists and run it (set -o posix) 2>/dev/null && set -o posix _stderr() { printf 'am-wrapper: %s: %b\n' "${argv0}" "$*" 1>&2; } warn() { _stderr "warning: $*"; } err() { _stderr "error: $*"; exit 1; } unset IFS which() { local p IFS=: # we don't use IFS anywhere, so don't bother saving/restoring for p in ${PATH} ; do p="${p}/$1" [ -e "${p}" ] && echo "${p}" && return 0 done unset IFS return 1 } # # Sanitize argv[0] since it isn't always a full path #385201 # argv0=${0##*/} case $0 in ${argv0}) # find it in PATH if ! full_argv0=$(which "${argv0}") ; then err "could not locate ${argv0}; file a bug" fi ;; *) # re-use full/relative paths full_argv0=$0 ;; esac if ! seq 0 0 2>/dev/null 1>&2 ; then #338518 seq() { local f l i case $# in 1) f=1 i=1 l=$1;; 2) f=$1 i=1 l=$2;; 3) f=$1 i=$2 l=$3;; esac while :; do [ $l -lt $f -a $i -gt 0 ] && break [ $f -lt $l -a $i -lt 0 ] && break echo $f : $(( f += i )) done return 0 } fi # # Set up bindings between actual version and WANT_AUTOMAKE; # Start with last known versions to speed up lookup process. # LAST_KNOWN_AUTOMAKE_VER="15" vers=$(printf '1.%s ' `seq ${LAST_KNOWN_AUTOMAKE_VER} -1 4`) # # Helper to scan for a usable program based on version. # binary= all_vers= find_binary() { local v all_vers="${all_vers} $*" # For error messages. for v ; do if [ -x "${full_argv0}-${v}" ] ; then binary="${full_argv0}-${v}" binary_ver=${v} return 0 fi done return 1 } # # Try and find a usable automake version. First check the WANT_AUTOMAKE # setting (whitespace delimited list), then fallback to the latest. # find_latest() { if ! find_binary ${vers} ; then # Brute force it. find_binary $(printf '1.%s ' `seq 99 -1 ${LAST_KNOWN_AUTOMAKE_VER}`) fi } for wx in ${WANT_AUTOMAKE:-latest} ; do if [ "${wx}" = "latest" ] ; then find_latest && break else find_binary ${wx} && break fi done if [ -z "${binary}" ] && [ -n "${WANT_AUTOMAKE}" ] ; then warn "could not locate installed version for WANT_AUTOMAKE='${WANT_AUTOMAKE}'; ignoring" unset WANT_AUTOMAKE find_latest fi if [ -z "${binary}" ] ; then err "Unable to locate any usuable version of automake.\n" \ "\tI tried these versions:${all_vers}\n" \ "\tWith a base name of '${full_argv0}'." fi # # autodetect helpers # do_awk() { local file=$1 ; shift local v=$(awk -v regex="$*" '{ if (ret = match($0, regex)) { s = substr($0, ret, RLENGTH) ret = match(s, "[0-9]\\.[0-9]+") print substr(s, ret, RLENGTH) exit } }' "${file}") case " ${auto_vers} " in *" ${v} "*) ;; *) auto_vers="${auto_vers:+${auto_vers} }${v}" ;; esac } # # autodetect routine # if [ -z "${WANT_AUTOMAKE}" ] ; then auto_vers= if [ -r "Makefile.in" ] ; then do_awk Makefile.in '^# Makefile.in generated (automatically )?by automake [0-9]\\.[0-9]+' fi if [ -r "aclocal.m4" ] ; then do_awk aclocal.m4 'generated automatically by aclocal [0-9]\\.[0-9]+' do_awk aclocal.m4 '[[:space:]]*\\[?AM_AUTOMAKE_VERSION\\(\\[?[0-9]\\.[0-9]+[^)]*\\]?\\)' fi # We don't need to set $binary here as it has already been setup for us # earlier to the latest available version. if [ -n "${auto_vers}" ] ; then if ! find_binary ${auto_vers} ; then warn "auto-detected versions not found (${auto_vers}); falling back to latest available" fi fi fi if [ -n "${WANT_AMWRAPPER_DEBUG}" ] ; then if [ -n "${WANT_AUTOMAKE}" ] ; then warn "DEBUG: WANT_AUTOMAKE is set to ${WANT_AUTOMAKE}" fi warn "DEBUG: will execute <${binary}>" fi # # for further consistency # export WANT_AUTOMAKE="${binary_ver}" # # Now try to run the binary # if [ ! -x "${binary}" ] ; then # this shouldn't happen err "${binary} is missing or not executable.\n" \ "\tPlease try installing the correct version of automake." fi exec "${binary}" "$@" # The shell will error out if `exec` failed.
