--- abi/ac-helpers/abi-detect-platform.m4~	2006-07-22 09:32:04.000000000 -0400
+++ abi/ac-helpers/abi-detect-platform.m4	2006-07-22 09:39:47.000000000 -0400
@@ -104,6 +104,15 @@
 	fi
 ])
 # 
+# convenience option for building with darwinports installed...
+#
+AC_ARG_WITH(darwinports,[  --with-darwinports          add /opt/local/... to CPP/LDFLAGS (Mac OSX)],[
+        if test "x$withval" != "xno"; then
+                CPPFLAGS="$CPPFLAGS -I/opt/local/include"
+                LDFLAGS="$LDFLAGS -L/opt/local/lib"
+        fi
+])
+# 
 # 1. Whether to consider using Cocoa API:
 # 
 AC_ARG_ENABLE(Cocoa,[  --disable-Cocoa    don't use Cocoa API  (MacOSX builds only)],[