diff --git a/cmake/modules/Win32Toolchain.cmake b/cmake/modules/Win32Toolchain.cmake
index 8318ed367..6d5030107 100644
--- a/cmake/modules/Win32Toolchain.cmake
+++ b/cmake/modules/Win32Toolchain.cmake
@@ -1,26 +1,28 @@
+SET(MINGW_PREFIX /opt/mingw32)
+
 # this one is important
 SET(CMAKE_SYSTEM_NAME Windows)
 #this one not so much
 SET(CMAKE_SYSTEM_VERSION 1)
 
 SET(CMAKE_SYSTEM_PROCESSOR i686)
-SET(CMAKE_INSTALL_PREFIX /opt/mingw32)
+SET(CMAKE_INSTALL_PREFIX ${MINGW_PREFIX})
 
-SET(CC_PREFIX /opt/mingw32)
 
 # specify the cross compiler
-SET(CMAKE_C_COMPILER   ${CC_PREFIX}/bin/i586-pc-mingw32-gcc)
-SET(CMAKE_CXX_COMPILER ${CC_PREFIX}/bin/i586-pc-mingw32-g++)
+SET(CMAKE_C_COMPILER   ${MINGW_PREFIX}/bin/i586-pc-mingw32-gcc)
+SET(CMAKE_CXX_COMPILER ${MINGW_PREFIX}/bin/i586-pc-mingw32-g++)
 
 # where is the target environment 
 SET(CMAKE_FIND_ROOT_PATH  /opt/mingw32)
 
-SET(QT_BINARY_DIR   ${CC_PREFIX}/bin)
-SET(QT_LIBRARY_DIR  ${CC_PREFIX}/lib)
-SET(QT_QTCORE_LIBRARY   ${CC_PREFIX}/lib/libQtCore4.a)
-SET(QT_INCLUDE_DIR ${CC_PREFIX}/include/qt4)
-SET(QT_QTCORE_INCLUDE_DIR ${CC_PREFIX}/include/qt4/QtCore)
-SET(QT_MKSPECS_DIR  ${CC_PREFIX}/share/qt4/mkspecs)
+SET(QT_BINARY_DIR   ${MINGW_PREFIX}/bin)
+SET(QT_LIBRARY_DIR  ${MINGW_PREFIX}/lib)
+SET(QT_QTCORE_LIBRARY   ${MINGW_PREFIX}/lib/libQtCore4.a)
+SET(QT_INCLUDE_DIR ${MINGW_PREFIX}/include/qt4)
+SET(QT_HEADERS_DIR ${MINGW_PREFIX}/include/qt4)
+SET(QT_QTCORE_INCLUDE_DIR ${MINGW_PREFIX}/include/qt4/QtCore)
+SET(QT_MKSPECS_DIR  ${MINGW_PREFIX}/share/qt4/mkspecs)
 SET(QT_MOC_EXECUTABLE  ${QT_BINARY_DIR}/moc.exe)
 SET(QT_RCC_EXECUTABLE  ${QT_BINARY_DIR}/rcc.exe)
 SET(QT_QMAKE_EXECUTABLE  /usr/bin/qmake)
@@ -32,8 +34,8 @@ SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
 SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
 SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
 
-SET(PKG_CONFIG_EXECUTABLE ${CC_PREFIX}/bin/pkg-config)
+SET(PKG_CONFIG_EXECUTABLE ${MINGW_PREFIX}/bin/pkg-config)
 
-INCLUDE_DIRECTORIES(${CC_PREFIX}/include)
-LINK_DIRECTORIES(${CC_PREFIX}/lib ${CC_PREFIX}/bin)
+INCLUDE_DIRECTORIES(${MINGW_PREFIX}/include)
+LINK_DIRECTORIES(${MINGW_PREFIX}/lib ${MINGW_PREFIX}/bin)