--- CMakeLists.txt.old	2015-09-23 20:35:38.143533953 +0200
+++ CMakeLists.txt	2015-09-23 20:36:50.620579979 +0200
@@ -98,6 +98,8 @@
     set(WTF_CPU_PPC64LE 1)
 elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "parisc*")
     set(WTF_CPU_HPPA 1)
+elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "ia64")
+    set(WTF_CPU_IA64 1)
 elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "s390")
     set(WTF_CPU_S390 1)
 elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "s390x")