--- ./cmake/DefaultCFlags.cmake_orig	2023-04-20 07:07:53.122951979 +0000
+++ ./cmake/DefaultCFlags.cmake	2023-04-20 07:12:03.913900556 +0000
@@ -110,7 +110,8 @@
 	if(MINGW OR MSYS) # MinGW and MSYS always do PIC and complain if we tell them to
 		string(REGEX REPLACE "-fPIC" "" CMAKE_SHARED_LIBRARY_C_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS}")
 	elseif(BUILD_SHARED_LIBS)
-		add_c_flag_IF_SUPPORTED(-fvisibility=hidden)
+		# See "pygit2 or libgit2 for AIX" thread on community.ibm.com
+                # add_c_flag_IF_SUPPORTED(-fvisibility=hidden)
 
 		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
 	endif()