This file is part of MXE.
See index.html for further information.

Taken from:
https://github.com/Alexpux/Qt-builds/blob/master/patches/qt/5.0.x/qt-5.0.0-fix-build-under-msys.patch

--- a/Source/WebCore/DerivedSources.pri	2012-12-21 14:10:41 +0300
+++ b/Source/WebCore/DerivedSources.pri	2012-12-21 14:12:19 +0300
@@ -704,7 +704,7 @@
 preprocessIdls.input = IDL_ATTRIBUTES_FILE
 preprocessIdls.script = $$PREPROCESS_IDLS_SCRIPT
 # FIXME : We need to use only perl at some point.
-win_cmd_shell: preprocessIdls.commands = type nul > $$IDL_FILES_TMP $$EOC
+win_cmd_shell: preprocessIdls.commands = cat /dev/null > $$IDL_FILES_TMP $$EOC
 else: preprocessIdls.commands = cat /dev/null > $$IDL_FILES_TMP $$EOC
 for(binding, IDL_BINDINGS) {
     # We need "$$binding" instead of "$$binding ", because Windows' echo writes trailing whitespaces. (http://wkb.ug/88304)