File libqxt-use-system-qdoc3.patch of Package libqxt

--- libqxt~orig/doc/doc.pri	2010-08-19 17:06:12.000000000 +0200
+++ libqxt/doc/doc.pri	2010-08-19 17:08:16.000000000 +0200
@@ -1,5 +1,3 @@
-SUBDIRS += tools/3rdparty/qdoc3
-
 win32 {
     QXT_WINCONFIG = release/
     !CONFIG(release, debug|release) {
@@ -16,14 +14,13 @@
 }
 
 $$unixstyle {
-    QDOC = QXT_SOURCE_TREE=$$QXT_SOURCE_TREE QXT_BUILD_TREE=$$QXT_BUILD_TREE $$QXT_BUILD_TREE/tools/3rdparty/qdoc3/$${QXT_WINCONFIG}qdoc3
+    QDOC = QXT_SOURCE_TREE=$$QXT_SOURCE_TREE QXT_BUILD_TREE=$$QXT_BUILD_TREE $$[QT_INSTALL_BINS]/qdoc3
 } else {
     QDOC = set QXT_SOURCE_TREE=$$QXT_SOURCE_TREE&& set QXT_BUILD_TREE=$$QXT_BUILD_TREE&& $$QXT_BUILD_TREE/tools/3rdparty/qdoc3/$${QXT_WINCONFIG}qdoc3.exe
     QDOC = $$replace(QDOC, "/", "\\\\")
 }
 
 adp_docs.commands = ($$QDOC -DQXT_DOXYGEN_RUN $$QXT_SOURCE_TREE/doc/src/qxt.qdocconf)
-adp_docs.depends += sub-tools-3rdparty-qdoc3
 docs.depends = adp_docs
 QMAKE_EXTRA_TARGETS += adp_docs docs