--- postgresql/configure.in.org	2006-12-07 00:01:51.133944250 +0100
+++ postgresql/configure.in	2006-12-07 00:02:19.567721250 +0100
@@ -632,9 +632,9 @@
 
 # Supply a numeric version string for use by 3rd party add-ons
 # awk -F is a regex on some platforms, and not on others, so make "." a tab
-PG_VERSION_NUM="`echo "$PACKAGE_VERSION" | sed 's/[A-Za-z].*$//' |
+PG_VERSION_NUM=$(echo "$PACKAGE_VERSION" | sed 's/[A-Za-z].*$//' |
 tr '.' '	' |
-$AWK '{printf \"%d%02d%02d\", $1, $2, (NF >= 3) ? $3 : 0}'`"
+$AWK '{printf "%d%02d%02d", $1, $2, (NF >= 3) ? $3 : 0}')
 AC_DEFINE_UNQUOTED(PG_VERSION_NUM, $PG_VERSION_NUM, [PostgreSQL version as a number])
 
 ##