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-rwxr-xr-xam-wrapper.sh51
1 files changed, 23 insertions, 28 deletions
diff --git a/am-wrapper.sh b/am-wrapper.sh
index 2b222ce..dbf6df6 100755
--- a/am-wrapper.sh
+++ b/am-wrapper.sh
@@ -1,7 +1,7 @@
-#!/usr/bin/env bash
-# Copyright 1999-2006 Gentoo Foundation
+#!/bin/sh
+# Copyright 1999-2010 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-4.sh,v 1.2 2010/02/24 08:08:28 mduft Exp $
+# $Header: /var/cvsroot/gentoo-x86/sys-devel/automake-wrapper/files/am-wrapper-5.sh,v 1.1 2010/03/07 15:45:40 vapier Exp $
# Based on the am-wrapper.pl script provided by MandrakeSoft
# Rewritten in bash by Gregorio Guidi
@@ -46,9 +46,11 @@
# -or-
# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.4
+warn() { printf "am-wrapper: $*\n" 1>&2; }
+err() { warn "$@"; exit 1; }
+
if [ "${0##*/}" = "am-wrapper.sh" ] ; then
- echo "Don't call this script directly." >&2
- exit 1
+ 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"
@@ -59,17 +61,14 @@ vers="1.11 1.10 1.9 1.8 1.7 1.6 1.5 1.4"
#
binary=""
for v in ${vers} ; do
- eval binary_${v/./_}="${0}-${v}"
-
if [ -z "${binary}" ] && [ -x "${0}-${v}" ] ; then
binary="${0}-${v}"
fi
done
if [ -z "${binary}" ] ; then
- echo "am-wrapper: Unable to locate any usuable version of automake." >&2
- echo " I tried these versions: ${vers}" >&2
- echo " With a base name of '${0}'." >&2
- exit 1
+ err "Unable to locate any usuable version of automake.\n" \
+ "\tI tried these versions: ${vers}\n" \
+ "\tWith a base name of '${0}'."
fi
#
@@ -79,15 +78,14 @@ fi
if [ -n "${WANT_AUTOMAKE}" ] ; then
for v in ${vers} x ; do
if [ "${v}" = "x" ] ; then
- echo "am-wrapper: warning: invalid WANT_AUTOMAKE '${WANT_AUTOMAKE}'; ignoring." >&2
+ warn "warning: invalid WANT_AUTOMAKE '${WANT_AUTOMAKE}'; ignoring."
unset WANT_AUTOMAKE
break
fi
for wx in ${WANT_AUTOMAKE} ; do
if [ "${wx}" = "${v}" ] ; then
- binary="binary_${v/./_}"
- binary="${!binary}"
+ binary="${0}-${v}"
v="x"
fi
done
@@ -117,11 +115,11 @@ if [ -z "${WANT_AUTOMAKE}" ] ; then
fi
for v in ${vers} ; do
- if [ "${confversion_mf}" = "${v}" ] \
- || [ "${confversion_ac}" = "${v}" ] \
- || [ "${confversion_am}" = "${v}" ] ; then
- binary="binary_${v/./_}"
- binary="${!binary}"
+ if [ "${confversion_mf}" = "${v}" ] || \
+ [ "${confversion_ac}" = "${v}" ] || \
+ [ "${confversion_am}" = "${v}" ]
+ then
+ binary="${0}-${v}"
break
fi
done
@@ -129,17 +127,16 @@ fi
if [ "${WANT_AMWRAPPER_DEBUG}" ] ; then
if [ "${WANT_AUTOMAKE}" ] ; then
- echo "am-wrapper: DEBUG: WANT_AUTOMAKE is set to ${WANT_AUTOMAKE}" >&2
+ warn "DEBUG: WANT_AUTOMAKE is set to ${WANT_AUTOMAKE}"
fi
- echo "am-wrapper: DEBUG: will execute <$binary>" >&2
+ warn "DEBUG: will execute <$binary>"
fi
#
# for further consistency
#
for v in ${vers} ; do
- mybin="binary_${v/./_}"
- if [ "${binary}" = "${!mybin}" ] ; then
+ if [ "${binary}" = "${0}-${v}" ] ; then
export WANT_AUTOMAKE="${v}"
fi
done
@@ -148,12 +145,10 @@ done
# Now try to run the binary
#
if [ ! -x "${binary}" ] ; then
- echo "am-wrapper: $binary is missing or not executable." >&2
- echo " Please try emerging the correct version of automake." >&2
- exit 1
+ err "$binary is missing or not executable.\n" \
+ "\tPlease try emerging the correct version of automake."
fi
exec "$binary" "$@"
-echo "am-wrapper: was unable to exec $binary !?" >&2
-exit 1
+err "was unable to exec $binary !?"