Installer rework WIP

indra/newview/CMakeLists.txt

@@ -1461,7 +1461,7 @@ if (WINDOWS)
     # In the meantime, if you have any ideas on how to easily maintain one list, either here or in viewer_manifest.py
     # and have the build deps get tracked *please* tell me about it.
 
-    if(USE_TCMALLOC)
+    if(NOT DISABLE_TCMALLOC)
       # Configure a var for tcmalloc location, if used.
       # Note the need to specify multiple names explicitly.
       set(GOOGLE_PERF_TOOLS_SOURCE
@@ -1469,7 +1469,7 @@ if (WINDOWS)
         ${SHARED_LIB_STAGING_DIR}/RelWithDebInfo/libtcmalloc_minimal.dll
         ${SHARED_LIB_STAGING_DIR}/Debug/libtcmalloc_minimal-debug.dll
         )
-    endif(USE_TCMALLOC)
+    endif(NOT DISABLE_TCMALLOC)
 
     set(COPY_INPUT_DEPENDENCIES
       # The following commented dependencies are determined at variably at build time. Can't do this here.