diff --git a/llvm5.0.spec b/llvm5.0.spec
index b361141..f01306d 100644
--- a/llvm5.0.spec
+++ b/llvm5.0.spec
@@ -118,7 +118,9 @@ for f in `grep -Rl 'XFAIL.\+arm' test/ExecutionEngine `; do  rm $f; done
 mkdir -p _build
 cd _build
 
-%ifarch s390 %{arm}
+%ifarch s390 %{arm} %{ix86}
+# use linker flags that prioritize efficiency over speed (try and save memory)
+%global optflags %{optflags} -Wl,--no-keep-memory -Wl,--reduce-memory-overheads
 # Decrease debuginfo verbosity to reduce memory consumption during final library linking
 %global optflags %(echo %{optflags} | sed 's/-g /-g1 /')
 %endif