--- Source/JavaScriptCore/CMakeLists.txt.old	2015-09-24 08:19:54.824007129 +0200
+++ Source/JavaScriptCore/CMakeLists.txt	2015-09-24 08:26:46.436183903 +0200
@@ -1147,6 +1147,7 @@
     endif ()
 elseif (WTF_CPU_ARM64)
 elseif (WTF_CPU_HPPA)
+elseif (WTF_CPU_IA64)
 elseif (WTF_CPU_PPC)
 elseif (WTF_CPU_PPC64)
 elseif (WTF_CPU_PPC64LE)