diff -up devhelp-2.91.4/acinclude.m4.platcheck devhelp-2.91.4/acinclude.m4
--- devhelp-2.91.4/acinclude.m4.platcheck	2011-01-09 20:52:58.824902368 -0500
+++ devhelp-2.91.4/acinclude.m4	2011-01-09 20:53:34.885902038 -0500
@@ -1,5 +1,5 @@
 AC_DEFUN([IGE_PLATFORM_CHECK],[
-    gdk_target=`$PKG_CONFIG --variable=target gtk+-3.0`
+    gdk_target=`$PKG_CONFIG --variable=targets gtk+-3.0`
 
     if test "x$gdk_target" = "xquartz"; then
         AC_MSG_CHECKING([checking for Mac OS X support])