Index: mopac/CMakeLists.txt
===================================================================
--- mopac.orig/CMakeLists.txt
+++ mopac/CMakeLists.txt
@@ -101,7 +101,7 @@ if (STATIC_BUILD)
   target_link_options(mopac-core PUBLIC "-static")
   set(BLA_STATIC ON)
 else()
-  add_library(mopac-core SHARED)
+  add_library(mopac-core STATIC)
   if(FORCE_EXPORT_SYMBOLS)
     set_target_properties(mopac-core PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS true)
   endif()