diff -bur LuaJIT-2.1.0-beta3-orig/src/lj_arch.h LuaJIT-2.1.0-beta3/src/lj_arch.h
--- LuaJIT-2.1.0-beta3-orig/src/lj_arch.h	2017-05-01 21:05:00.000000000 +0200
+++ LuaJIT-2.1.0-beta3/src/lj_arch.h	2017-06-19 17:51:41.683624004 +0200
@@ -376,7 +376,7 @@
 #if __GNUC__ < 4
 #error "Need at least GCC 4.0 or newer"
 #endif
-#elif LJ_TARGET_ARM
+#elif LJ_TARGET_ARM  || LJ_TARGET_PPC
 #if (__GNUC__ < 4) || ((__GNUC__ == 4) && __GNUC_MINOR__ < 2)
 #error "Need at least GCC 4.2 or newer"
 #endif
