cmake (Windows): use CMAKE_LIBRARY_PATH for fixup_bundle() search dirs

Instead of using a custom option, simply use CMAKE_LIBRARY_PATH. This
allows a unified way to specify directories searched by FindXxx cmake
modules as well as the bundling script.

CMakeLists.txt

@@ -181,11 +181,6 @@ if (SC_QT)
   message( STATUS "Compiling with Qt GUI" )
 endif (SC_QT)
 
-if(WIN32)
-    option(SC_WIN_DEP_DIRS
-        "A list of directories where dependencies will be searched for when packaging.")
-endif()
-
 if(CMAKE_COMPILER_IS_GNUCXX)
     option(NATIVE "Optimize binary for this architecture (binaries may not run on other machines, requires gcc-4.3 or higher).")
     option(LTO "Use GCC's link time optimizer' (experimental).")

platform/windows/CMakeLists.txt

@@ -12,7 +12,7 @@ install(FILES ${CMAKE_SOURCE_DIR}/README_WINDOWS.txt
 add_custom_target( bundle
     COMMAND cmake
         "-DSC_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}"
-        "-DSC_WIN_DEP_DIRS=${SC_WIN_DEP_DIRS}"
+        "-DSC_DEPENDENCY_DIRS=${CMAKE_LIBRARY_PATH}"
         -P "${CMAKE_CURRENT_SOURCE_DIR}/bundle.cmake"
     COMMENT "Bundling the dependencies:"
     VERBATIM

platform/windows/bundle.cmake

@@ -2,5 +2,5 @@ include(BundleUtilities)
 fixup_bundle(
     "${SC_INSTALL_PREFIX}/SuperCollider/sclang.exe"
     ""
-    "${SC_WIN_DEP_DIRS}"
+    "${SC_DEPENDENCY_DIRS}"
 )