[495631] Automatically deactivating string dict builds on MacOS

As currently the string dict builds are not working on MacOS this commit
deactivates this flag on MacOs builds.

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=495631
Change-Id: I07f8b87e3fa9fd3238f8de30d3b00abcc833149a
Signed-off-by: Alois Zoitl <alois.zoitl@gmx.at>
diff --git a/src/arch/macos/CMakeLists.txt b/src/arch/macos/CMakeLists.txt
index fc59009..232ee21 100644
--- a/src/arch/macos/CMakeLists.txt
+++ b/src/arch/macos/CMakeLists.txt
@@ -17,6 +17,9 @@
 
   forte_add_include_directories(${CMAKE_CURRENT_SOURCE_DIR})
   
+  # on MacOs linked string dict is currently not working, turn it off per default
+  SET(FORTE_LINKED_STRINGDICT OFF CACHE BOOL "" FORCE)
+  
   forte_set_timer(../posix/pctimeha)
   forte_add_sourcefile_hcpp(../posix/forte_thread forte_sync forte_sem)
   forte_add_sourcefile_cpp(../genforte_printer.cpp)