--- ./cmake/os/AIX.cmake.orig	2019-10-09 12:09:26.209863243 +0200
+++ ./cmake/os/AIX.cmake	2019-10-09 12:09:21.144863476 +0200
@@ -17,6 +17,7 @@
 #Enable 64 bit file offsets
 SET(_LARGE_FILES 1)
 
+if(__AIX_COMPILER_XL)
 # Fix xlC oddity - it complains about same inline function defined multiple times
 # in different compilation units  
 INCLUDE(CheckCXXCompilerFlag)
@@ -24,10 +25,4 @@
  IF(HAVE_QSTATICINLINE)
   SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -qstaticinline")
  ENDIF()
- 
-# The following is required to export all symbols 
-# (also with leading underscore)
-STRING(REPLACE  "-bexpall" "-bexpfull" CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS
-  "${CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS}")
-STRING(REPLACE  "-bexpall" "-bexpfull" CMAKE_SHARED_LIBRARY_LINK_C_FLAGS
-  "${CMAKE_SHARED_LIBRARY_LINK_C_FLAGS}")
+endif()