diff --git a/config/perl.m4 b/config/perl.m4
index 55c34574eb..76c8f64d88 100644
--- a/config/perl.m4
+++ b/config/perl.m4
@@ -1,4 +1,4 @@
-# $PostgreSQL: pgsql/config/perl.m4,v 1.3 2003/11/29 19:51:17 pgsql Exp $
+# $PostgreSQL: pgsql/config/perl.m4,v 1.3.6.1 2008/11/12 00:01:17 adunstan Exp $
 
 
 # PGAC_PATH_PERL
@@ -32,4 +32,12 @@ pgac_tmp1=`$PERL -MExtUtils::Embed -e ldopts`
 pgac_tmp2=`$PERL -MConfig -e 'print $Config{ccdlflags}'`
 perl_embed_ldflags=`echo X"$pgac_tmp1" | sed "s/^X//;s%$pgac_tmp2%%"`
 AC_SUBST(perl_embed_ldflags)dnl
-AC_MSG_RESULT([$perl_embed_ldflags])])
+if test -z "$perl_embed_ldflags" ; then
+	AC_MSG_RESULT(no)
+	AC_MSG_ERROR([could not determine flags for linking embedded Perl.
+This probably means that ExtUtils::Embed or ExtUtils::MakeMaker is not
+installed.])
+else
+	AC_MSG_RESULT([$perl_embed_ldflags])
+fi
+])# PGAC_CHECK_PERL_EMBED_LDFLAGS
diff --git a/configure b/configure
index 37d8e4c787..797ba15f46 100755
--- a/configure
+++ b/configure
@@ -4810,10 +4810,23 @@ echo $ECHO_N "checking for flags to link embedded Perl... $ECHO_C" >&6
 pgac_tmp1=`$PERL -MExtUtils::Embed -e ldopts`
 pgac_tmp2=`$PERL -MConfig -e 'print $Config{ccdlflags}'`
 perl_embed_ldflags=`echo X"$pgac_tmp1" | sed "s/^X//;s%$pgac_tmp2%%"`
-echo "$as_me:$LINENO: result: $perl_embed_ldflags" >&5
+if test -z "$perl_embed_ldflags" ; then
+	echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+	{ { echo "$as_me:$LINENO: error: could not determine flags for linking embedded Perl.
+This probably means that ExtUtils::Embed or ExtUtils::MakeMaker is not
+installed." >&5
+echo "$as_me: error: could not determine flags for linking embedded Perl.
+This probably means that ExtUtils::Embed or ExtUtils::MakeMaker is not
+installed." >&2;}
+   { (exit 1); exit 1; }; }
+else
+	echo "$as_me:$LINENO: result: $perl_embed_ldflags" >&5
 echo "${ECHO_T}$perl_embed_ldflags" >&6
 fi
 
+fi
+
 if test "$with_python" = yes; then
   # Extract the first word of "python", so it can be a program name with args.
 set dummy python; ac_word=$2