$FreeBSD: ports/science/udunits/files/patch-configure,v 1.1 2005/01/14 21:52:08 glewis Exp $

--- configure.orig	Sat Jan  1 00:30:00 2005
+++ configure	Sat Jan  1 00:30:39 2005
@@ -4648,7 +4648,7 @@
     exit(0);
 }
 EOF
-    doit='$CC -o conftest ${CFLAGS-} ${CPPFLAGS-} ${LDFLAGS-} conftest.c ${LIBS-}'
+    doit='$CC -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c ${LIBS}'
     if { (eval echo "$as_me:$LINENO: \"$doit\"") >&5
   (eval $doit) 2>&5
   ac_status=$?