diff --git a/src/libplugin.pro b/src/libplugin.pro
--- a/src/libplugin.pro
+++ b/src/libplugin.pro
@@ -24,12 +24,17 @@ CONFIG -= debug
 CONFIG += staticlib
 
 QMAKE_CXXFLAGS += -fexceptions
+QMAKE_CXXFLAGS += -Wall
+QMAKE_CXXFLAGS += -Wno-write-strings
+QMAKE_CXXFLAGS += -Wno-unused-parameter
+win32:QMAKE_CXXFLAGS -= O2
 QMAKE_CXXFLAGS_DEBUG += -g3
 QMAKE_CXXFLAGS_DEBUG += -DQDEBUG
 QMAKE_CXXFLAGS_DEBUG -= -finstrument-functions
 
 DEFINES = QTGRAPHICS # VLEAFPLUGIN
-DESTDIR = ../lib 
+DESTDIR = ../lib
+LIBDIR = ../lib
 PARTMPL = VirtualLeafpar.tmpl
 QT += qt3support
 TARGET = vleaf
@@ -68,9 +73,9 @@ unix {
 }
 
 win32 {
- LIBXML2DIR = ..\lib\libxml2
- LIBICONVDIR = ..\lib\libiconv
- LIBZDIR = ..\lib\libz
+ LIBXML2DIR = $${LIBDIR}\libxml2
+ LIBICONVDIR = $${LIBDIR}\libiconv
+ LIBZDIR = $${LIBDIR}\libz
  QMAKE_CXXFLAGS += -DLIBXML_STATIC
  QMAKE_CXXFLAGS += -I$${LIBXML2DIR}\include -I$${LIBICONVDIR}\include -I$${LIBZDIR}\include
 }