Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -71,7 +71,7 @@ elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "(x64
     set(WTF_CPU_X86_64 1)
 elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "(i[3-6]86|x86)")
     set(WTF_CPU_X86 1)
-elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "ppc")
+elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "(ppc|powerpc)")
     set(WTF_CPU_PPC 1)
 elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "ppc64")
     set(WTF_CPU_PPC64 1)
@@ -79,10 +79,14 @@ elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "ppc6
     set(WTF_CPU_PPC64LE 1)
 elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "parisc*")
     set(WTF_CPU_HPPA 1)
+elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "riscv64")
+    set(WTF_CPU_RISCV64 1)
 elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "s390")
     set(WTF_CPU_S390 1)
 elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "s390x")
     set(WTF_CPU_S390X 1)
+elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "sparc64")
+	set(WTF_CPU_SPARC64 1)
 else ()
     message(FATAL_ERROR "Unknown CPU '${LOWERCASE_CMAKE_SYSTEM_PROCESSOR}'")
 endif ()