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#! /usr/bin/env bash
# file : build/meta/autoconf
# copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
# license : GNU GPL v2; see accompanying LICENSE file
# Process autconf configure.ac templates.
#
# Options:
#
# -b <base-dir>
# -o <output-file>
#
# Arguments:
#
# <template-file>
#
trap 'exit 1' ERR
function error ()
{
echo "$*" 1>&2
}
base=
output=
while [ $# -gt 0 ]; do
case $1 in
-b)
base=$2
shift 2
;;
-o)
output=$2
shift 2
;;
*)
break
;;
esac
done
input=$1
if [ "$input" = "" ]; then
error "no input file"
exit 1
fi
if [ "$base" = "" ]; then
error "no base directory"
exit 1
fi
if [ "$output" = "" ]; then
error "no output file"
exit 1
fi
m4=m4
# Assume this script is never found via PATH.
#
meta=`dirname $0`
build="$meta/.."
install=$build/install/install
# Find all the configuration files.
#
files=`find $base -name 'Makefile.am' -o -name '*.in' -a ! -name '*.h.in' | \
sed -e "s%^$base/%%" | \
sed -e 's%\.\(am\|in\)$%%' | \
sort -u`
export config_files=$files
# Make sure the output directory exist.
#
$install -d -m 755 `dirname $output`
$m4 -P -D__meta_base__=$meta $meta/autoconf.m4 $input >$output
chmod 644 $output
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