diff options
| -rwxr-xr-x | am-wrapper.sh | 106 |
1 files changed, 53 insertions, 53 deletions
diff --git a/am-wrapper.sh b/am-wrapper.sh index f3704d5..dd0920f 100755 --- a/am-wrapper.sh +++ b/am-wrapper.sh @@ -1,50 +1,20 @@ #!/bin/sh -# Copyright 1999-2011 Gentoo Foundation +# Copyright 1999-2012 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-6.sh,v 1.1 2011/10/02 19:51:17 vapier Exp $ +# $Header: /var/cvsroot/gentoo-x86/sys-devel/automake-wrapper/files/am-wrapper-7.sh,v 1.1 2012/04/26 05:42:10 vapier Exp $ # Based on the am-wrapper.pl script provided by MandrakeSoft # Rewritten in bash by Gregorio Guidi # # Executes the correct automake version. # -# - defaults to newest version available (hopefully automake-1.10) -# - runs automake-1.9 if: -# - envvar WANT_AUTOMAKE is set to `1.9' +# - defaults to newest version available (hopefully automake-1.12) +# - runs automake-1.X (where X is a valid automake version) if: +# - envvar WANT_AUTOMAKE is set to `1.X' # -or- -# - `Makefile.in' was generated by automake-1.9 +# - `Makefile.in' was generated by automake-1.X # -or- -# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.9 -# - runs automake-1.8 if: -# - envvar WANT_AUTOMAKE is set to `1.8' -# -or- -# - `Makefile.in' was generated by automake-1.8 -# -or- -# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.8 -# - runs automake-1.7 if: -# - envvar WANT_AUTOMAKE is set to `1.7' -# -or- -# - `Makefile.in' was generated by automake-1.7 -# -or- -# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.7 -# - runs automake-1.6 if: -# - envvar WANT_AUTOMAKE is set to `1.6' -# -or- -# - `Makefile.in' -# -or- -# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.6 -# - runs automake-1.5 if: -# - envvar WANT_AUTOMAKE is set to `1.5' -# -or- -# - `Makefile.in' was generated by automake-1.5 -# -or- -# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.5 -# - runs automake-1.4 if: -# - envvar WANT_AUTOMAKE is set to `1.4' -# -or- -# - `Makefile.in' was generated by automake-1.4 -# -or- -# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.4 +# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.X warn() { printf 'am-wrapper: %s: %b\n' "${argv0}" "$*" 1>&2; } err() { warn "$@"; exit 1; } @@ -81,22 +51,51 @@ if [ "${argv0}" = "am-wrapper.sh" ] ; then err "Don't call this script directly" fi -vers="1.11 1.10 1.9 1.8 1.7 1.6 1.5 1.4" +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 + : $(( f += i )) + done + return 0 + } +fi # -# Export the proper variable/versions and try to locate a usuable -# default (newer versions are preferred) +# Set up bindings between actual version and WANT_AUTOMAKE; +# Start with last known versions to speed up lookup process. # +LAST_KNOWN_AUTOMAKE_VER="12" +vers=$(printf '1.%s ' `seq ${LAST_KNOWN_AUTOMAKE_VER} -1 4`) + +find_binary() { + local v + all_vers="${all_vers} $*" + for v in "$@" ; do + if [ -x "${full_argv0}-${v}" ] ; then + binary="${full_argv0}-${v}" + return 0 + fi + done + return 1 +} binary="" -for v in ${vers} ; do - if [ -z "${binary}" ] && [ -x "${full_argv0}-${v}" ] ; then - binary="${full_argv0}-${v}" - break - fi -done +all_vers="" +if ! find_binary ${vers} ; then + find_binary $(printf '1.%s ' `seq 99 -1 ${LAST_KNOWN_AUTOMAKE_VER}`) +fi + if [ -z "${binary}" ] ; then err "Unable to locate any usuable version of automake.\n" \ - "\tI tried these versions: ${vers}\n" \ + "\tI tried these versions:${all_vers}\n" \ "\tWith a base name of '${full_argv0}'." fi @@ -154,11 +153,11 @@ if [ -z "${WANT_AUTOMAKE}" ] ; then done fi -if [ "${WANT_AMWRAPPER_DEBUG}" ] ; then - if [ "${WANT_AUTOMAKE}" ] ; then +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>" + warn "DEBUG: will execute <${binary}>" fi # @@ -175,10 +174,11 @@ done # Now try to run the binary # if [ ! -x "${binary}" ] ; then - err "$binary is missing or not executable.\n" \ + # this shouldn't happen + err "${binary} is missing or not executable.\n" \ "\tPlease try emerging the correct version of automake." fi -exec "$binary" "$@" +exec "${binary}" "$@" -err "was unable to exec $binary !?" +err "was unable to exec ${binary} !?" |