diff -ru pygobject-2.14.2.orig/configure.ac pygobject-2.14.2/configure.ac
--- pygobject-2.14.2.orig/configure.ac	2008-05-23 12:51:11.000000000 -0400
+++ pygobject-2.14.2/configure.ac	2008-07-04 13:45:30.088664555 -0400
@@ -146,7 +146,7 @@
 dnl libffi
 AC_MSG_CHECKING(for ffi.h)
 AC_ARG_WITH(libffi,
-  AC_HELP_STRING([--without-ffi], [Disable libffi support]),
+  AC_HELP_STRING([--without-libffi], [Disable libffi support]),
   with_ffi=$withval,
   with_ffi=auto)
 if test x"$with_ffi" = xno ; then
@@ -170,7 +170,7 @@
     LIBS=$save_LIBS
   fi
 fi
-if test x"$with_ffi" != xauto && test x"$pygobject_ffi_h" != xyes ; then
+if test x"$with_ffi" == xyes && test x"$pygobject_ffi_h" != xyes ; then
   AC_MSG_ERROR([libffi requested, but ffi.h not found])
 fi
 AC_MSG_RESULT([$pygobject_ffi_h])