#!/bin/sh

#
# Helps generate autoconf stuff, when code is checked out from SCM.
#
# Copyright (C) 2006-2014 - Karel Zak <kzak@redhat.com>
#

srcdir=`dirname $0`
test -z "$srcdir" && srcdir=.

THEDIR=`pwd`
cd $srcdir
DIE=0

test -f btrfs.c || {
	echo
	echo "You must run this script in the top-level btrfs-progs directory"
	echo
	DIE=1
}

(autoconf --version) < /dev/null > /dev/null 2>&1 || {
	echo
	echo "You must have autoconf installed to generate btrfs-progs build system."
	echo
	DIE=1
}
(autoheader --version) < /dev/null > /dev/null 2>&1 || {
	echo
	echo "You must have autoheader installed to generate btrfs-progs build system."
	echo "The autoheader command is part of the GNU autoconf package."
	echo
	DIE=1
}

(automake --version) < /dev/null > /dev/null 2>&1 || {
	echo
	echo "You must have automake installed to generate btrfs-progs build system."
	echo 
	DIE=1
}

if test "$DIE" -eq 1; then
	exit 1
fi

echo
echo "Generate build-system by:"
echo "   aclocal:    $(aclocal --version | head -1)"
echo "   autoconf:   $(autoconf --version | head -1)"
echo "   autoheader: $(autoheader --version | head -1)"
echo "   automake:   $(automake --version | head -1)"

chmod +x version.sh
rm -rf autom4te.cache

aclocal $AL_OPTS
autoconf $AC_OPTS
autoheader $AH_OPTS

# it's better to use helper files from automake installation than
# maintain copies in git tree
HELPER_DIR=$(automake --print-libdir)
mkdir -p config/
cp $HELPER_DIR/config.guess config/
cp $HELPER_DIR/config.sub config/
cp $HELPER_DIR/install-sh config/

cd $THEDIR

echo
echo "Now type '$srcdir/configure' and 'make' to compile."
echo