diff --git a/cmake/os/AIX.cmake b/cmake/os/AIX.cmake
index 521f829e859..5ccc77c1606 100644
--- a/cmake/os/AIX.cmake
+++ b/cmake/os/AIX.cmake
@@ -16,6 +16,10 @@
 
 #Enable 64 bit file offsets
 SET(_LARGE_FILES 1)
+SET(CMAKE_C_ARCHIVE_CREATE "<CMAKE_AR> -X32_64 qc <TARGET> <LINK_FLAGS> <OBJECTS>")
+SET(CMAKE_C_ARCHIVE_APPEND "<CMAKE_AR> -X32_64 q  <TARGET> <LINK_FLAGS> <OBJECTS>")
+SET(CMAKE_CXX_ARCHIVE_CREATE "<CMAKE_AR> -X32_64 qc <TARGET> <LINK_FLAGS> <OBJECTS>")
+SET(CMAKE_CXX_ARCHIVE_APPEND "<CMAKE_AR> -X32_64 q  <TARGET> <LINK_FLAGS> <OBJECTS>")
 
 IF(__AIX_COMPILER_XL)
 # Fix xlC oddity - it complains about same inline function defined multiple times
@@ -25,4 +29,7 @@ INCLUDE(CheckCXXCompilerFlag)
  IF(HAVE_QSTATICINLINE)
   SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -qstaticinline")
  ENDIF()
+ELSE()
+  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -maix64 -pthread -mcmodel=large")
+  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -maix64 -pthread -mcmodel=large")
 ENDIF()