- Allow shared libraries by removing CMAKE_CXX_VISIBILITY_PRESET=hidden.

--- CMakeLists.txt.orig	2022-01-19 13:02:23 UTC
+++ CMakeLists.txt
@@ -71,7 +71,7 @@ set(CMAKE_MACOSX_RPATH ON)
 set(CMAKE_CXX_STANDARD 14)
 
 # set function visibility default to hidden
-set(CMAKE_CXX_VISIBILITY_PRESET hidden)
+#set(CMAKE_CXX_VISIBILITY_PRESET hidden)
 set(CMAKE_VISIBILITY_INLINES_HIDDEN 1)
 
 # create a target for updating the current git hash