diff --git a/build/ltconfig b/build/ltconfig
index 088583ada1..34cd1a3d90 100755
--- a/build/ltconfig
+++ b/build/ltconfig
@@ -1375,7 +1375,7 @@ else
 
   darwin* | rhapsody*)
     allow_undefined_flag='-undefined warning'
-    archive_cmds='$CC $(if [ "$module" = "yes" ]; then echo -bundle; else echo -dynamiclib -undefined suppress; fi) -o $lib $libobjs $deplibs $linkopts'
+    archive_cmds='$CC $(if [ "$module" = "yes" ]; then echo -bundle; else echo -dynamiclib -flat_namespace -undefined suppress; fi) -o $lib $libobjs $deplibs $linkopts'
     archive_expsym_cmds="$archive_cmds"' && strip -s $export_symbols'
     ## What we need is to hardcode the path to the library, not the search path
     #hardcode_direct=yes