+# If automake is installed in a nonstandard location, find the standard
+# location if possible and append it to ACLOCAL_PATH. That way, it will
+# find the pkg.m4 that is installed in the standard location.
+echo "Checking for pkg.m4..."
+AUTORECONF_ENV=
+env_space=
+ac_dir=`aclocal --print-ac-dir` && test -r "$ac_dir/pkg.m4" || {
+ oIFS=$IFS
+ IFS=:
+ before_first_aclocal=true
+ for dir in $PATH; do
+ if test -x "$dir/aclocal"; then
+ if $before_first_aclocal; then
+ before_first_aclocal=false
+ elif ac_dir=`"$dir/aclocal" --print-ac-dir` && test -r "$ac_dir/pkg.m4"
+ then
+ case $ACLOCAL_PATH in
+ '') ACLOCAL_PATH=$ac_dir;;
+ ?*) ACLOCAL_PATH=$ACLOCAL_PATH:$ac_dir;;
+ esac
+ export ACLOCAL_PATH
+ AUTORECONF_ENV="ACLOCAL_PATH='$ACLOCAL_PATH'"
+ env_space=' '
+ break
+ fi
+ fi
+ done
+ IFS=$oIFS
+
+ ## OK, maybe pkg-config is in a weird place (eg on hydra).
+ if test -z "$AUTORECONF_ENV"; then
+ oIFS=$IFS
+ IFS=:
+ for dir in $PATH; do
+ if test -x "$dir/pkg-config"; then
+ ac_dir=`echo "$dir" | sed 's|bin$|share/aclocal|'`
+ if test -r "$ac_dir/pkg.m4"; then
+ case $ACLOCAL_PATH in
+ '') ACLOCAL_PATH=$ac_dir;;
+ ?*) ACLOCAL_PATH=$ACLOCAL_PATH:$ac_dir;;
+ esac
+ export ACLOCAL_PATH
+ AUTORECONF_ENV="ACLOCAL_PATH='$ACLOCAL_PATH'"
+ env_space=' '
+ break
+ fi
+ fi
+ done
+ IFS=$oIFS
+ fi
+
+ if test -z "$AUTORECONF_ENV"; then
+ cat <<EOF
+The version of aclocal that you are using cannot find the pkg.m4 file that
+pkg-config provides. If it is installed in some unusual directory /FOO/BAR,
+set ACLOCAL_PATH='/FOO/BAR' in the environment and run this script again.
+EOF
+ exit 1
+ fi
+}
+echo ok
+
+echo 'Your system has the required tools.'
+echo "Running \"$AUTORECONF_ENV${env_space}autoreconf -fi -I m4\" ..."